andreacavalli/strangedb
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Andrea Cavalli 2019-04-18 16:08:22 +02:00
parent dea0eea5b7
commit a1624bf91e
37 changed files with 1122 additions and 99 deletions
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4
pom.xml
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@ -6,7 +6,7 @@
<groupId>it.cavallium</groupId>
<artifactId>strangedb</artifactId>
<version>1.5.5</version>
<version>1.5.7</version>
<name>strangedb-java</name>
<url>https://git.ignuranza.net/andreacavalli/strangedb</url>
@ -45,7 +45,7 @@
<dependency>
<groupId>it.cavallium</groupId>
<artifactId>strangedb-core</artifactId>
<version>1.5.5</version>
<version>1.5.7</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>

1
src/main/java/it/cavallium/strangedb/java/annotations/DbField.java
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@ -10,4 +10,5 @@ import java.lang.annotation.Target;
public @interface DbField {
int id();
DbDataType type() default DbDataType.OBJECT;
String name() default "";
}

1
src/main/java/it/cavallium/strangedb/java/annotations/DbPrimitiveField.java
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@ -10,4 +10,5 @@ import java.lang.annotation.Target;
public @interface DbPrimitiveField {
int id();
DbPrimitiveType type();
String name() default "";
}

14
src/main/java/it/cavallium/strangedb/java/annotations/DbProperty.java Normal file
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@ -0,0 +1,14 @@
package it.cavallium.strangedb.java.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface DbProperty {
int id();
DbDataType type() default DbDataType.OBJECT;
String name() default "";
}

2
src/main/java/it/cavallium/strangedb/java/annotations/DbPropertyGetter.java
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@ -8,6 +8,4 @@ import java.lang.annotation.Target;
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface DbPropertyGetter {
int id();
DbDataType type() default DbDataType.OBJECT;
}

2
src/main/java/it/cavallium/strangedb/java/annotations/DbPropertySetter.java
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@ -8,6 +8,4 @@ import java.lang.annotation.Target;
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface DbPropertySetter {
int id();
DbDataType type() default DbDataType.OBJECT;
}

10
src/main/java/it/cavallium/strangedb/java/database/DatabaseDataInitializer.java
View File

@ -120,7 +120,7 @@ public class DatabaseDataInitializer implements IDataInitializer {
long[] propertyUIDs = objectsIO.allocateNewUIDs(biggestPropertyId + 1);
for (Method property : unorderedPropertySetters) {
DbPropertySetter fieldAnnotation = property.getAnnotation(DbPropertySetter.class);
DbProperty fieldAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = fieldAnnotation.id();
if (propertyId > biggestPropertyId) {
biggestPropertyId = propertyId;
@ -131,12 +131,12 @@ public class DatabaseDataInitializer implements IDataInitializer {
DbDataType[] propertyTypes = new DbDataType[biggestPropertyId + 1];
Method[] propertyGetters = new Method[biggestPropertyId + 1];
Method[] propertySetters = new Method[biggestPropertyId + 1];
Map<String, DbPropertySetter> setterMethods = new LinkedHashMap<>();
Map<String, DbPropertyGetter> getterMethods = new LinkedHashMap<>();
Map<String, DbProperty> setterMethods = new LinkedHashMap<>();
Map<String, DbProperty> getterMethods = new LinkedHashMap<>();
// Load the properties metadata
for (Method property : unorderedPropertyGetters) {
DbPropertyGetter propertyAnnotation = property.getAnnotation(DbPropertyGetter.class);
DbProperty propertyAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = propertyAnnotation.id();
DbDataType propertyType = propertyAnnotation.type();
propertyTypes[propertyId] = propertyType;
@ -144,7 +144,7 @@ public class DatabaseDataInitializer implements IDataInitializer {
getterMethods.put(property.getName(), propertyAnnotation);
}
for (Method property : unorderedPropertySetters) {
DbPropertySetter propertyAnnotation = property.getAnnotation(DbPropertySetter.class);
DbProperty propertyAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = propertyAnnotation.id();
DbDataType propertyType = propertyAnnotation.type();
propertyTypes[propertyId] = propertyType;

8
src/main/java/it/cavallium/strangedb/java/database/DatabaseEnhancedObjectUpgrader.java
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@ -23,14 +23,14 @@ public class DatabaseEnhancedObjectUpgrader implements EnhancedObjectUpgrader {
@Override
@SuppressWarnings("unchecked")
public Object getField(int id, DbDataType type, Supplier<Class<?>> enhancedClassType) throws IOException {
return objectsIO.loadData(type, fieldRefs[id], enhancedClassType);
public Object getField(int id, DbDataType type) throws IOException {
return objectsIO.loadData(type, fieldRefs[id]);
}
@Override
@SuppressWarnings("unchecked")
public Object getMethod(int id, DbDataType type, Supplier<Class<?>> enhancedClassType) throws IOException {
return objectsIO.loadData(type, methodRefs[id], enhancedClassType);
public Object getMethod(int id, DbDataType type) throws IOException {
return objectsIO.loadData(type, methodRefs[id]);
}
@SuppressWarnings("unchecked")

4
src/main/java/it/cavallium/strangedb/java/database/DatabaseJava.java
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@ -27,13 +27,13 @@ public class DatabaseJava extends DatabaseCore implements IDatabaseTools {
super.close();
}
public <T extends EnhancedObject> T loadRoot(Class<T> type, FunctionWithIO<IDatabaseTools, T> ifAbsent) throws IOException {
public <T extends EnhancedObject> T loadRoot(FunctionWithIO<IDatabaseTools, T> ifAbsent) throws IOException {
if (loadedRootObject != null) {
throw new RuntimeException("Root already set!");
}
T root;
if (referencesMetadata.getFirstFreeReference() > 0) {
root = objectsIO.loadEnhancedObject(0, type);
root = objectsIO.loadEnhancedObject(0);
} else {
if (objectsIO.newNullObject() != 0) {
throw new IOException("Can't allocate root!");

87
src/main/java/it/cavallium/strangedb/java/database/DatabaseObjectsIO.java
View File

@ -7,6 +7,12 @@ import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.objects.EnhancedObjectFullInfo;
import it.cavallium.strangedb.database.references.DatabaseReferencesIO;
import it.cavallium.strangedb.java.annotations.*;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.objects.EnhancedObjectFullInfo;
import it.cavallium.strangedb.java.objects.EnhancedObjectIndices;
import it.cavallium.strangedb.java.objects.lists.EnhancedObjectStrangeDbList;
import it.cavallium.strangedb.java.objects.lists.ObjectStrangeDbList;
import it.cavallium.strangedb.java.objects.lists.StrangeDbList;
import it.unimi.dsi.fastutil.booleans.BooleanArrayList;
import it.unimi.dsi.fastutil.bytes.ByteArrayList;
import it.unimi.dsi.fastutil.chars.CharArrayList;
@ -92,8 +98,14 @@ public class DatabaseObjectsIO implements IObjectsIO {
registerClass(TreeSet.class, id++);
registerClass(SortedSet.class, id++);
registerClass(SortedMap.class, id++);
registerClass(EnhancedObject.class, id++);
registerClass(EnhancedObjectStrangeDbList.class, id++);
registerClass(ObjectStrangeDbList.class, id++);
registerClass(StrangeDbList.class, id++);
}
@SuppressWarnings("unchecked")
@Override
public <T extends EnhancedObject> T loadEnhancedObject(long reference, Class<T> objectType) throws IOException {
synchronized (accessLock) {
@ -101,6 +113,10 @@ public class DatabaseObjectsIO implements IObjectsIO {
if (buffer.limit() == 0) {
return null;
}
int serializedClassLength = 0xFF & buffer.get();
byte[] serializedClassData = new byte[serializedClassLength];
buffer.get(serializedClassData);
Class<T> objectType = kryo.readClass(new Input(serializedClassData)).getType();
int serializedVersion = Byte.toUnsignedInt(buffer.get());
int fieldsCount = buffer.getInt();
int methodsCount = buffer.getInt();
@ -118,11 +134,43 @@ public class DatabaseObjectsIO implements IObjectsIO {
}
}
@SuppressWarnings("unchecked")
Object loadData(DbDataType propertyType, long dataReference, Supplier<Class<?>> returnType) throws IOException {
@Override
public EnhancedObjectIndices loadEnhancedObjectUids(long reference) throws IOException {
lock.readLock().lock();
readLock.lock();
try {
ByteBuffer buffer = referencesIO.readFromReference(reference);
if (buffer.limit() == 0) {
return null;
}
//noinspection unused
int serializedClassLength = 0xFF & buffer.get();
byte[] serializedClassData = new byte[serializedClassLength];
buffer.get(serializedClassData);
int serializedVersion = Byte.toUnsignedInt(buffer.get());
int fieldsCount = buffer.getInt();
int methodsCount = buffer.getInt();
long[] fieldRefs = new long[fieldsCount];
long[] methodRefs = new long[methodsCount];
for (int i = 0; i < fieldsCount; i++) {
fieldRefs[i] = buffer.getLong();
}
for (int i = 0; i < methodsCount; i++) {
methodRefs[i] = buffer.getLong();
}
long nativeFieldsDataReference = buffer.getLong();
return new EnhancedObjectIndices(reference, fieldRefs, methodRefs, nativeFieldsDataReference);
} finally {
readLock.unlock();
lock.readLock().unlock();
}
}
Object loadData(DbDataType propertyType, long dataReference) throws IOException {
switch (propertyType) {
case ENHANCED_OBJECT:
return loadEnhancedObject(dataReference, (Class<? extends EnhancedObject>) returnType.get());
return loadEnhancedObject(dataReference);
case OBJECT:
return loadObject(dataReference);
case REFERENCES_LIST:
@ -211,9 +259,17 @@ public class DatabaseObjectsIO implements IObjectsIO {
final long[] propertyReferences = objectFullInfo.getPropertyReferences();
final DbDataType[] propertyTypes = objectFullInfo.getPropertyTypes();
final Object[] propertyValues = objectFullInfo.getLoadedPropertyValues();
final int totalSize = Byte.BYTES + Integer.BYTES * 2 + fieldReferences.length * Long.BYTES
Output serializedClassDataStream = new Output(1024, 8192);
kryo.writeClass(serializedClassDataStream, value.getClass());
byte[] serializedClassData = serializedClassDataStream.toBytes();
final int totalSize = Byte.BYTES + serializedClassData.length + Byte.BYTES + Integer.BYTES * 2 + fieldReferences.length * Long.BYTES
+ propertyReferences.length * Long.BYTES + Long.BYTES;
ByteBuffer buffer = ByteBuffer.allocate(totalSize);
if (serializedClassData.length > 255) {
throw new IndexOutOfBoundsException("The class name is too long!");
}
buffer.put((byte) serializedClassData.length);
buffer.put(serializedClassData);
buffer.put((byte) objectFullInfo.getVersion());
buffer.putInt(fieldReferences.length);
buffer.putInt(propertyReferences.length);
@ -337,10 +393,11 @@ public class DatabaseObjectsIO implements IObjectsIO {
}
@Override
public void loadProperty(EnhancedObject obj, int propertyId, Method property, DbDataType propertyType,
public void loadProperty(EnhancedObject obj, int propertyId, DbDataType propertyType,
long propertyUID) throws IOException {
synchronized (accessLock) {
obj.setProperty(propertyId, loadData(propertyType, propertyUID, property::getReturnType));
obj.setProperty(propertyId, loadData(propertyType, propertyUID));
}
}
@ -363,7 +420,7 @@ public class DatabaseObjectsIO implements IObjectsIO {
int biggestPropertyId = biggestGetter > biggestSetter ? biggestGetter : biggestSetter;
for (Method property : unorderedPropertySetters) {
DbPropertySetter fieldAnnotation = property.getAnnotation(DbPropertySetter.class);
DbProperty fieldAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = fieldAnnotation.id();
if (propertyId > biggestPropertyId) {
biggestPropertyId = propertyId;
@ -374,12 +431,12 @@ public class DatabaseObjectsIO implements IObjectsIO {
DbDataType[] propertyTypes = new DbDataType[biggestPropertyId + 1];
Method[] propertyGetters = new Method[biggestPropertyId + 1];
Method[] propertySetters = new Method[biggestPropertyId + 1];
Map<String, DbPropertySetter> setterMethods = new LinkedHashMap<>();
Map<String, DbPropertyGetter> getterMethods = new LinkedHashMap<>();
Map<String, DbProperty> setterMethods = new LinkedHashMap<>();
Map<String, DbProperty> getterMethods = new LinkedHashMap<>();
// Load the properties metadata
for (Method property : unorderedPropertyGetters) {
DbPropertyGetter propertyAnnotation = property.getAnnotation(DbPropertyGetter.class);
DbProperty propertyAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = propertyAnnotation.id();
DbDataType propertyType = propertyAnnotation.type();
propertyTypes[propertyId] = propertyType;
@ -387,7 +444,7 @@ public class DatabaseObjectsIO implements IObjectsIO {
getterMethods.put(property.getName(), propertyAnnotation);
}
for (Method property : unorderedPropertySetters) {
DbPropertySetter propertyAnnotation = property.getAnnotation(DbPropertySetter.class);
DbProperty propertyAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = propertyAnnotation.id();
DbDataType propertyType = propertyAnnotation.type();
propertyTypes[propertyId] = propertyType;
@ -402,7 +459,7 @@ public class DatabaseObjectsIO implements IObjectsIO {
int getBiggestPropertyGetterId(Method[] unorderedPropertyGetters) {
int biggestPropertyId = -1;
for (Method property : unorderedPropertyGetters) {
DbPropertyGetter fieldAnnotation = property.getAnnotation(DbPropertyGetter.class);
DbProperty fieldAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = fieldAnnotation.id();
if (propertyId > biggestPropertyId) {
biggestPropertyId = propertyId;
@ -414,7 +471,7 @@ public class DatabaseObjectsIO implements IObjectsIO {
int getBiggestPropertySetterId(Method[] unorderedPropertySetters) {
int biggestPropertyId = -1;
for (Method property : unorderedPropertySetters) {
DbPropertySetter fieldAnnotation = property.getAnnotation(DbPropertySetter.class);
DbProperty fieldAnnotation = property.getAnnotation(DbProperty.class);
int propertyId = fieldAnnotation.id();
if (propertyId > biggestPropertyId) {
biggestPropertyId = propertyId;
@ -513,10 +570,10 @@ public class DatabaseObjectsIO implements IObjectsIO {
<T extends EnhancedObject> void loadField(T obj, Field field, DbDataType fieldType, long fieldReference)
throws IOException {
Object data = loadData(fieldType, fieldReference, field::getType);
lock.readLock().lock();
try {
if (fieldType == DbDataType.OBJECT && data != null) {
if (!field.getType().isInstance(data)) {
Object data = loadData(fieldType, fieldReference);
try {
throw new IOException("There is an attempt to load an object of type " + data.getClass()
+ " into a field of type " + field.getType());
}

8
src/main/java/it/cavallium/strangedb/java/database/IObjectsIO.java
View File

@ -2,6 +2,7 @@ package it.cavallium.strangedb.java.database;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.objects.EnhancedObjectIndices;
import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.unimi.dsi.fastutil.longs.LongList;
@ -9,7 +10,10 @@ import java.io.IOException;
import java.lang.reflect.Method;
public interface IObjectsIO {
<T extends EnhancedObject> T loadEnhancedObject(long reference, Class<T> objectType) throws IOException;
@SuppressWarnings("unchecked")
<T extends EnhancedObject> T loadEnhancedObject(long reference) throws IOException;
EnhancedObjectIndices loadEnhancedObjectUids(long reference) throws IOException;
<T> T loadObject(long reference) throws IOException;
@ -47,7 +51,7 @@ public interface IObjectsIO {
return reference;
}
void loadProperty(EnhancedObject enhancedObject, int propertyId, Method propertyGetter, DbDataType propertyType, long propertyUID) throws IOException;
void loadProperty(EnhancedObject enhancedObject, int propertyId, DbDataType propertyType, long propertyUID) throws IOException;
void registerClass(Class<?> type, int id);

12
src/main/java/it/cavallium/strangedb/java/objects/EnhancedObject.java
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@ -29,8 +29,8 @@ public abstract class EnhancedObject {
private long[] propertyReferences;
private boolean[] loadedProperties;
private Object[] loadedPropertyValues;
private Map<String, DbPropertySetter> setterMethods;
private Map<String, DbPropertyGetter> getterMethods;
private Map<String, DbProperty> setterMethods;
private Map<String, DbProperty> getterMethods;
public EnhancedObject() {
version = getClassVersion();
@ -82,7 +82,7 @@ public abstract class EnhancedObject {
StackWalker walker = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
StackWalker.StackFrame stackFrame = walker.walk(f -> f.skip(1).findFirst().orElse(null));
try {
int propertyId = stackFrame.getDeclaringClass().getDeclaredMethod(stackFrame.getMethodName()).getAnnotation(DbPropertyGetter.class).id();
int propertyId = stackFrame.getDeclaringClass().getDeclaredMethod(stackFrame.getMethodName()).getAnnotation(DbProperty.class).id();
return getProperty(propertyId);
} catch (IOException | NoSuchMethodException e) {
throw new RuntimeException(e);
@ -90,10 +90,10 @@ public abstract class EnhancedObject {
}
@SuppressWarnings("unchecked")
private <T> T getProperty(int propertyId) throws IOException {
public <T> T getProperty(int propertyId) throws IOException {
if (!loadedProperties[propertyId]) {
long propertyUID = propertyReferences[propertyId];
databaseTools.getObjectsIO().loadProperty(this, propertyId, propertyGetters[propertyId], propertyTypes[propertyId], propertyUID);
databaseTools.getObjectsIO().loadProperty(this, propertyId, propertyTypes[propertyId], propertyUID);
}
return (T) loadedPropertyValues[propertyId];
}
@ -101,7 +101,7 @@ public abstract class EnhancedObject {
public <T> void setProperty(T value) {
StackWalker walker = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
StackWalker.StackFrame stackFrame = walker.walk(f -> f.skip(1).findFirst().orElse(null));
DbPropertySetter propertyAnnotation = setterMethods.get(stackFrame.getMethodName());
DbProperty propertyAnnotation = setterMethods.get(stackFrame.getMethodName());
setProperty(propertyAnnotation.id(), value);
}

15
src/main/java/it/cavallium/strangedb/java/objects/EnhancedObjectIndices.java Normal file
View File

@ -0,0 +1,15 @@
package it.cavallium.strangedb.java.objects;
public class EnhancedObjectIndices {
public final long objectUid;
public final long[] fieldUids;
public final long[] propertyUids;
public final long nativeDataUid;
public EnhancedObjectIndices(long objectUid, long[] fieldUids, long[] propertyUids, long nativeDataUid) {
this.objectUid = objectUid;
this.fieldUids = fieldUids;
this.propertyUids = propertyUids;
this.nativeDataUid = nativeDataUid;
}
}

12
src/main/java/it/cavallium/strangedb/java/objects/EnhancedObjectUpgrader.java
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@ -41,15 +41,7 @@ public interface EnhancedObjectUpgrader {
return getPrimitiveField(id, DbPrimitiveType.DOUBLE);
}
Object getField(int id, DbDataType type, Supplier<Class<?>> enhancedClassType) throws IOException;
Object getField(int id, DbDataType type) throws IOException;
default Object getField(int id, DbDataType type) throws IOException {
return getField(id, type, null);
}
Object getMethod(int id, DbDataType type, Supplier<Class<?>> enhancedClassType) throws IOException;
default Object getMethod(int id, DbDataType type) throws IOException {
return getField(id, type, null);
}
Object getMethod(int id, DbDataType type) throws IOException;
}

70
src/main/java/it/cavallium/strangedb/java/objects/lists/ElementsArrayList.java Normal file
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@ -0,0 +1,70 @@
package it.cavallium.strangedb.java.objects.lists;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
public class ElementsArrayList<T> implements ElementsList<T> {
private final ArrayList<T> list;
public ElementsArrayList() {
this.list = new ArrayList<>();
}
public ElementsArrayList(Collection<T> collection) {
this.list = new ArrayList<>(collection);
}
public ElementsArrayList(int initialCapacity) {
this.list = new ArrayList<>(initialCapacity);
}
@Override
public T get(int index) {
return list.get(index);
}
@Override
public void add(T value) {
list.add(value);
}
@Override
public void update(int index, T value) {
set(index, value);
}
@Override
public void set(int index, T value) {
list.set(index, value);
}
@Override
public void add(int index, T value) {
list.add(index, value);
}
@Override
public T getLast() {
return list.get(list.size() - 1);
}
@Override
public boolean isEmpty() {
return list.isEmpty();
}
@Override
public int size() {
return list.size();
}
public boolean contains(Object o) {
return list.contains(o);
}
public ArrayList<T> asList() {
return list;
}
}

14
src/main/java/it/cavallium/strangedb/java/objects/lists/ElementsList.java Normal file
View File

@ -0,0 +1,14 @@
package it.cavallium.strangedb.java.objects.lists;
import java.io.IOException;
interface ElementsList<T> {
T get(int index) throws IOException;
void add(T value) throws IOException;
void update(int index, T value) throws IOException;
void set(int index, T value) throws IOException;
void add(int index, T value) throws IOException;
T getLast() throws IOException;
boolean isEmpty();
int size();
}

148
src/main/java/it/cavallium/strangedb/java/objects/lists/EnhancedObjectStrangeDbList.java
View File

@ -1,5 +1,6 @@
package it.cavallium.strangedb.java.objects.lists;
import it.cavallium.strangedb.java.database.IObjectsIO;
import it.unimi.dsi.fastutil.longs.LongArrayList;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.database.IDatabaseTools;
@ -33,11 +34,156 @@ public class EnhancedObjectStrangeDbList<T extends EnhancedObject> extends Stran
@Override
protected T loadItem(long uid) throws IOException {
return databaseTools.getObjectsIO().loadEnhancedObject(uid, type);
return databaseTools.getObjectsIO().loadEnhancedObject(uid);
}
@Override
protected void writeItemToDisk(long uid, T item) throws IOException {
databaseTools.getObjectsIO().setEnhancedObject(uid, item);
}
public ElementsArrayList<EnhancedObjectIndices> queryUids(ListQuery query) throws IOException {
ElementsArrayList<EnhancedObjectIndices> uids = executeQuery(query, this, databaseTools.getObjectsIO());
return uids;
}
public ElementsArrayList<T> query(ListQuery query) throws IOException {
ElementsArrayList<EnhancedObjectIndices> uids = queryUids(query);
ElementsArrayList<T> elements = new ElementsArrayList<>(uids.size());
for (int i = 0; i < uids.size(); i++) {
T element = databaseTools.getObjectsIO().loadEnhancedObject(uids.get(i).objectUid);
elements.add(element);
}
return elements;
}
private ElementsArrayList<EnhancedObjectIndices> executeQuery(ListQuery query, ElementsList<?> inputList, IObjectsIO dbio) throws IOException {
if (query instanceof ListQuery.ListQueryElement) {
return executeQueryElement((ListQuery.ListQueryElement) query, inputList, dbio);
} else if (query instanceof ListQuery.ListQueryAnd) {
ListQuery[] children = ((ListQuery.ListQueryAnd) query).getQueryChildren();
ElementsArrayList<EnhancedObjectIndices> results = null;
for (ListQuery childQuery : children) {
results = executeQuery(childQuery, results == null ? inputList : results, dbio);
if (results.size() == 0) break;
}
return results;
} else if (query instanceof ListQuery.ListQueryOr) {
ListQuery[] children = ((ListQuery.ListQueryOr) query).getQueryChildren();
ElementsArrayList<EnhancedObjectIndices> results = new ElementsArrayList<>();
for (ListQuery childQuery : children) {
ElementsArrayList<EnhancedObjectIndices> childResults = executeQuery(childQuery, inputList, dbio);
int childResultsSize = childResults.size();
if (childResultsSize == inputList.size()) {
return childResults;
}
addMissingElements(results, childResults);
}
return results;
} else {
throw new RuntimeException("Not implemented!");
}
}
static void addMissingElements(ElementsArrayList<EnhancedObjectIndices> main, ElementsList<EnhancedObjectIndices> elementsToAdd) throws IOException {
int elementsSize = elementsToAdd.size();
for (int i = 0; i < elementsSize; i++) {
EnhancedObjectIndices childResultElement = elementsToAdd.get(i);
if (!main.contains(childResultElement)) {
main.add(childResultElement);
}
}
}
@SuppressWarnings("unchecked")
static ElementsArrayList<Long> toElementsArrayList(ElementsList<?> elementsList) {
if (elementsList instanceof EnhancedObjectStrangeDbList<?>) {
return new ElementsArrayList<>(((EnhancedObjectStrangeDbList) elementsList).getIndices());
} else if (elementsList instanceof ElementsArrayList<?>) {
return (ElementsArrayList<Long>) elementsList;
} else {
throw new UnsupportedOperationException();
}
}
@SuppressWarnings("unchecked")
private static ElementsArrayList<EnhancedObjectIndices> executeQueryElement(ListQuery.ListQueryElement query, ElementsList<?> inputList, IObjectsIO dbio) throws IOException {
ElementsArrayList<EnhancedObjectIndices> results = new ElementsArrayList<>();
if (inputList instanceof EnhancedObjectStrangeDbList<?>) {
EnhancedObjectStrangeDbList<?> dbList = ((EnhancedObjectStrangeDbList<?>) inputList);
final int listSize = inputList.size();
final LongArrayList indices = dbList.getIndices();
for (int i = 0; i < listSize; i++) {
Long elementUid = indices.get(i);
EnhancedObjectIndices elementUids = dbio.loadEnhancedObjectUids(elementUid);
Object result = resolveItemFromDb(query.valuePointer, dbio, elementUids);
if (query.valueOperation.evaluate(result)) {
results.add(elementUids);
}
}
} else if (inputList instanceof ElementsArrayList<?>) {
final int listSize = inputList.size();
ElementsArrayList<EnhancedObjectIndices> elementsUids = ((ElementsArrayList<EnhancedObjectIndices>) inputList);
for (int i = 0; i < listSize; i++) {
EnhancedObjectIndices elementUid = elementsUids.get(i);
Object result = resolveItemFromDb(query.valuePointer, dbio, elementUid);
if (query.valueOperation.evaluate(result)) {
results.add(elementUid);
}
}
}
return results;
}
static Object resolveItemFromDb(ValuePointer pointer, IObjectsIO objectsIO, EnhancedObjectIndices element) throws IOException {
EnhancedObjectIndices currentElement = element;
boolean isLastElement;
for (int i = 0; i < pointer.size(); i++) {
isLastElement = i >= pointer.size() - 1;
ValuePointer currentPointer = pointer.at(i);
int pathNumber = currentPointer.getPathNumber();
ValueType valueType = currentPointer.getPathType();
Object value;
switch (valueType) {
case FIELD: {
if (isLastElement) {
//TODO: get field data type. it can be an enhancedObject or an object
value = objectsIO.loadObject(currentElement.fieldUids[pathNumber]);
} else {
value = objectsIO.loadEnhancedObjectUids(currentElement.fieldUids[pathNumber]);
}
break;
}
case PRIMITIVE_FIELD: {
if (isLastElement) {
//TODO: get primitive type
value = objectsIO.loadPrimitiveData(currentElement.nativeDataUid).getLong(pathNumber);
} else {
throw new IllegalArgumentException("You can access to a type field only in the last pointer");
}
break;
}
case PROPERTY: {
if (isLastElement) {
//TODO: get field data type. it can be an enhancedObject or an object
value = objectsIO.loadObject(currentElement.fieldUids[pathNumber]);
} else {
value = objectsIO.loadEnhancedObjectUids(currentElement.propertyUids[pathNumber]);
}
}
default: {
throw new IllegalArgumentException("Not implemented");
}
}
if (isLastElement) {
return value;
} else {
currentElement = (EnhancedObjectIndices) value;
}
}
throw new IOException("The pointer is empty");
}
}

58
src/main/java/it/cavallium/strangedb/java/objects/lists/KMP.java Normal file
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@ -0,0 +1,58 @@
package it.cavallium.strangedb.java.objects.lists;
public class KMP {
public static int KMP(CharSequence content, CharSequence stringToFind) {
int[] failureTable = failureTable(stringToFind);
int targetPointer = 0; // current char in target string
int searchPointer = 0; // current char in search string
while (searchPointer < content.length()) { // while there is more to search with, keep searching
if (content.charAt(searchPointer) == stringToFind.charAt(targetPointer)) { // case 1
// found current char in targetPointer in search string
targetPointer++;
if (targetPointer == stringToFind.length()) { // found all characters
int x = stringToFind.length() + 1;
return searchPointer - x; // return starting index of found target inside searched string
}
searchPointer++; // move forward if not found target string
} else if (targetPointer > 0) { // case 2
// use failureTable to use pointer pointed at nearest location of usable string prefix
targetPointer = failureTable[targetPointer];
} else { // case 3
// targetPointer is pointing at state 0, so restart search with current searchPointer index
searchPointer++;
}
}
return -1;
}
/**
* Returns an int[] that points to last valid string prefix, given target string
*/
public static int[] failureTable(CharSequence target) {
int[] table = new int[target.length() + 1];
// state 0 and 1 are guarenteed be the prior
table[0] = -1;
table[1] = 0;
// the pointers pointing at last failure and current satte
int left = 0;
int right = 2;
while (right < table.length) { // RIGHT NEVER MOVES RIGHT UNTIL ASSIGNED A VALID POINTER
if (target.charAt(right - 1) == target.charAt(left)) { // when both chars before left and right are equal, link both and move both forward
left++;
table[right] = left;
right++;
} else if (left > 0) { // if left isn't at the very beginning, then send left backward
// by following the already set pointer to where it is pointing to
left = table[left];
} else { // left has fallen all the way back to the beginning
table[right] = left;
right++;
}
}
return table;
}
}

105
src/main/java/it/cavallium/strangedb/java/objects/lists/ListQuery.java Normal file
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@ -0,0 +1,105 @@
package it.cavallium.strangedb.java.objects.lists;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
public abstract class ListQuery {
public static ListQuery create(ValuePointer valuePointer, ValueOperation valueOperation) {
return new ListQueryElement(valuePointer, valueOperation);
}
public ListQuery and(ValuePointer valuePointer, ValueOperation operation) {
return new ListQueryAnd(this, create(valuePointer, operation));
}
public ListQuery and(ListQuery query) {
return new ListQueryAnd(this, query);
}
public ListQuery or(ValuePointer valuePointer, ValueOperation operation) {
return new ListQueryOr(this, create(valuePointer, operation));
}
public ListQuery or(ListQuery query) {
return new ListQueryOr(this, query);
}
abstract List<ListQueryElement> getQueryElementsRecursively();
static class ListQueryElement extends ListQuery {
public final ValuePointer valuePointer;
public final ValueOperation valueOperation;
private ListQueryElement(ValuePointer valuePointer, ValueOperation valueOperation) {
this.valuePointer = valuePointer;
this.valueOperation = valueOperation;
}
@Override
List<ListQueryElement> getQueryElementsRecursively() {
return Collections.singletonList(this);
}
}
static class ListQueryCollection extends ListQuery {
protected ListQuery[] queries;
private ListQueryCollection(ListQuery... queries) {
this.queries = queries;
}
@Override
List<ListQueryElement> getQueryElementsRecursively() {
List<ListQueryElement> elements = new ArrayList<>();
for (ListQuery query : queries) {
elements.addAll(query.getQueryElementsRecursively());
}
return elements;
}
ListQuery[] getQueryChildren() {
return queries.clone();
}
}
static class ListQueryAnd extends ListQueryCollection {
private ListQueryAnd(ListQuery... queries) {
super(queries);
}
@Override
public ListQuery and(ListQuery query) {
return new ListQueryAnd(append(this.queries, query));
}
@Override
public ListQuery and(ValuePointer valuePointer, ValueOperation operation) {
return and(create(valuePointer, operation));
}
}
static class ListQueryOr extends ListQueryCollection {
private ListQueryOr(ListQuery... queries) {
super(queries);
}
@Override
public ListQuery or(ListQuery query) {
return new ListQueryOr(append(this.queries, query));
}
@Override
public ListQuery or(ValuePointer valuePointer, ValueOperation operation) {
return or(create(valuePointer, operation));
}
}
private static <T> T[] append(T[] array, T value) {
T[] newArray = Arrays.copyOf(array, array.length + 1);
newArray[array.length] = value;
return newArray;
}
}

2
src/main/java/it/cavallium/strangedb/java/objects/lists/ObjectStrangeDbList.java
View File

@ -17,7 +17,7 @@ public class ObjectStrangeDbList<T> extends StrangeDbList<T> {
return indices;
}
protected ObjectStrangeDbList() {
public ObjectStrangeDbList() {
super();
}

17
src/main/java/it/cavallium/strangedb/java/objects/lists/StrangeDbList.java
View File

@ -5,10 +5,9 @@ import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import java.io.IOException;
import java.util.Collection;
import java.util.StringJoiner;
public abstract class StrangeDbList<T> extends EnhancedObject {
public abstract class StrangeDbList<T> extends EnhancedObject implements ElementsList<T> {
private final Object indicesAccessLock = new Object();
@ -22,6 +21,7 @@ public abstract class StrangeDbList<T> extends EnhancedObject {
super(databaseTools);
}
@Override
public T get(int index) throws IOException {
synchronized (indicesAccessLock) {
long uid = getIndices().getLong(index);
@ -29,6 +29,7 @@ public abstract class StrangeDbList<T> extends EnhancedObject {
}
}
@Override
public void add(T value) throws IOException {
long uid = databaseTools.getObjectsIO().newNullObject();
synchronized (indicesAccessLock) {
@ -37,13 +38,16 @@ public abstract class StrangeDbList<T> extends EnhancedObject {
}
}
@Override
public void update(int index, T value) throws IOException {
synchronized (indicesAccessLock) {
long uid = getIndices().getLong(index);
writeItemToDisk(uid, value);
lock.writeLock().lock();
try {
set(index, value);
} finally {
}
}
@Override
public void set(int index, T value) throws IOException {
long uid = databaseTools.getObjectsIO().newNullObject();
synchronized (indicesAccessLock) {
@ -52,6 +56,7 @@ public abstract class StrangeDbList<T> extends EnhancedObject {
}
}
@Override
public void add(int index, T value) throws IOException {
long uid = databaseTools.getObjectsIO().newNullObject();
synchronized (indicesAccessLock) {
@ -88,7 +93,7 @@ public abstract class StrangeDbList<T> extends EnhancedObject {
@Override
public String toString() {
return new StringJoiner(", ", StrangeDbList.class.getSimpleName() + "[", "]")
return new StringJoiner(", ", StrangeDbList.class.getSimpleName() + "[", "]")
.add(getIndices().size() + " items")
.toString();
}

5
src/main/java/it/cavallium/strangedb/java/objects/lists/ValueOperation.java Normal file
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@ -0,0 +1,5 @@
package it.cavallium.strangedb.java.objects.lists;
public interface ValueOperation<T> {
public boolean evaluate(Object value);
}

139
src/main/java/it/cavallium/strangedb/java/objects/lists/ValuePointer.java Normal file
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@ -0,0 +1,139 @@
package it.cavallium.strangedb.java.objects.lists;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.annotations.DbPrimitiveField;
import it.cavallium.strangedb.java.annotations.DbProperty;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import org.apache.commons.lang3.reflect.FieldUtils;
import org.apache.commons.lang3.reflect.MethodUtils;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Arrays;
public class ValuePointer {
private static ValuePointer base = new ValuePointer(new int[0], new ValueType[0]);
private final int[] pathNumbers;
private final ValueType[] pathTypes;
private ValuePointer(int[] pathNumbers, ValueType[] pathTypes) {
this.pathNumbers = pathNumbers;
this.pathTypes = pathTypes;
}
public static <T extends EnhancedObject> ValuePointer ofField(Class<T> parentType, String field) {
return base.field(parentType, field);
}
public static <T extends EnhancedObject> ValuePointer ofProp(Class<T> parentType, String property) {
return base.prop(parentType, property);
}
public static <T extends EnhancedObject> ValuePointer ofPrimitiveField(Class<T> parentType, String primitiveFieldName) {
return base.primitiveField(parentType, primitiveFieldName);
}
public <T extends EnhancedObject> ValuePointer prop(Class<T> parentType, String propertyName) {
ValueType[] newPathTypes = append(this.pathTypes, ValueType.FIELD);
Method[] methods = MethodUtils.getMethodsWithAnnotation(parentType, DbProperty.class);
DbProperty dbProperty = null;
for (Method method : methods) {
DbProperty annotation = method.getAnnotation(DbProperty.class);
if (annotation.name().equals(propertyName)) {
dbProperty = annotation;
break;
}
}
if (dbProperty == null) {
throw new IllegalArgumentException("Property '" + propertyName + "' not found in class " + parentType.getSimpleName());
}
int[] newPathNumbers = append(this.pathNumbers, dbProperty.id());
return new ValuePointer(newPathNumbers, newPathTypes);
}
public <T extends EnhancedObject> ValuePointer field(Class<T> parentType, String fieldName) {
ValueType[] newPathTypes = append(this.pathTypes, ValueType.FIELD);
Field[] fields = FieldUtils.getFieldsWithAnnotation(parentType, DbField.class);
DbField dbField = null;
for (Field field : fields) {
DbField annotation = field.getAnnotation(DbField.class);
if (annotation.name().equals(fieldName)) {
dbField = annotation;
break;
}
}
if (dbField == null) {
throw new IllegalArgumentException("Field '" + fieldName + "' not found in class " + parentType.getSimpleName());
}
int[] newPathNumbers = append(this.pathNumbers, dbField.id());
return new ValuePointer(newPathNumbers, newPathTypes);
}
public <T extends EnhancedObject> ValuePointer primitiveField(Class<T> parentType, String primitiveFieldName) {
ValueType[] newPathTypes = append(this.pathTypes, ValueType.PRIMITIVE_FIELD);
Field[] fields = FieldUtils.getFieldsWithAnnotation(parentType, DbPrimitiveField.class);
DbPrimitiveField dbField = null;
for (Field field : fields) {
DbPrimitiveField annotation = field.getAnnotation(DbPrimitiveField.class);
if (annotation.name().equals(primitiveFieldName)) {
dbField = annotation;
break;
}
}
if (dbField == null) {
throw new IllegalArgumentException("Field '" + primitiveFieldName + "' not found in class " + parentType.getSimpleName());
}
int[] newPathNumbers = append(this.pathNumbers, dbField.id());
return new ValuePointer(newPathNumbers, newPathTypes);
}
public ValuePointer at(int index) {
if (index >= pathNumbers.length) {
throw new ArrayIndexOutOfBoundsException();
}
if (index == pathNumbers.length - 1) {
return this;
}
return new ValuePointer(Arrays.copyOf(this.pathNumbers, index + 1), Arrays.copyOf(this.pathTypes, index + 1));
}
public int size() {
return this.pathNumbers.length;
}
public boolean hasPrevious() {
return pathNumbers.length > 0;
}
public ValuePointer previous() {
return at(pathNumbers.length - 2);
}
private static int[] append(int[] array, int value) {
int[] newArray = Arrays.copyOf(array, array.length + 1);
newArray[array.length] = value;
return newArray;
}
private static <T> T[] append(T[] array, T value) {
T[] newArray = Arrays.copyOf(array, array.length + 1);
newArray[array.length] = value;
return newArray;
}
public int getPathNumber() {
return pathNumbers[pathNumbers.length - 1];
}
public ValueType getPathType() {
return pathTypes[pathTypes.length - 1];
}
}

7
src/main/java/it/cavallium/strangedb/java/objects/lists/ValueType.java Normal file
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@ -0,0 +1,7 @@
package it.cavallium.strangedb.java.objects.lists;
public enum ValueType {
PROPERTY,
FIELD,
PRIMITIVE_FIELD
}

25
src/main/java/it/cavallium/strangedb/java/objects/lists/operations/Contains.java Normal file
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@ -0,0 +1,25 @@
package it.cavallium.strangedb.java.objects.lists.operations;
import it.cavallium.strangedb.java.objects.lists.KMP;
import it.cavallium.strangedb.java.objects.lists.ValueOperation;
public class Contains<T extends CharSequence> implements ValueOperation<T> {
private final T containsValue;
private Contains(T containsValue) {
this.containsValue = containsValue;
}
public static <T extends CharSequence> Contains<T> containsValue(T value) {
return new Contains<T>(value);
}
@Override
public boolean evaluate(Object value) {
if (value instanceof CharSequence) {
return KMP.KMP((CharSequence) value, containsValue) != -1;
}
return false;
}
}

25
src/main/java/it/cavallium/strangedb/java/objects/lists/operations/ContainsIgnoreCase.java Normal file
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@ -0,0 +1,25 @@
package it.cavallium.strangedb.java.objects.lists.operations;
import it.cavallium.strangedb.java.objects.lists.KMP;
import it.cavallium.strangedb.java.objects.lists.ValueOperation;
public class ContainsIgnoreCase implements ValueOperation<String> {
private final String containsValue;
private ContainsIgnoreCase(String containsValue) {
this.containsValue = containsValue.toLowerCase();
}
public static ContainsIgnoreCase containsValue(String value) {
return new ContainsIgnoreCase(value);
}
@Override
public boolean evaluate(Object value) {
if (value instanceof String) {
return KMP.KMP(((String) value).toLowerCase(), containsValue) != -1;
}
return false;
}
}

21
src/main/java/it/cavallium/strangedb/java/objects/lists/operations/Equals.java Normal file
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@ -0,0 +1,21 @@
package it.cavallium.strangedb.java.objects.lists.operations;
import it.cavallium.strangedb.java.objects.lists.ValueOperation;
public class Equals<T> implements ValueOperation<T> {
private final T equalToValue;
private Equals(T equalToValue) {
this.equalToValue = equalToValue;
}
public static <T> Equals<T> to(T value) {
return new Equals<T>(value);
}
@Override
public boolean evaluate(Object value) {
return equalToValue.equals(value);
}
}

21
src/test/java/it/cavallium/strangedb/tests/Clean.java
View File

@ -1,14 +1,11 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.annotations.*;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.annotations.DbPropertyGetter;
import it.cavallium.strangedb.java.annotations.DbPropertySetter;
import it.cavallium.strangedb.utils.NTestUtils;
import java.io.IOException;
@ -20,7 +17,7 @@ public class Clean {
@Before
public void setUp() throws Exception {
db = NTestUtils.wrapDb().create((db) -> {
root = db.get().loadRoot(RootTwoClasses.class, RootTwoClasses::new);
root = db.get().loadRoot(RootTwoClasses::new);
});
root.class1 = new NTestUtils.RootClass(db.get());
db.setRootClassValues(root.class1);
@ -40,7 +37,7 @@ public class Clean {
db.testRootClassValues(root.getClass4());
db.get().closeAndClean();
db = NTestUtils.wrapDb().create((db) -> {
root = db.get().loadRoot(RootTwoClasses.class, RootTwoClasses::new);
root = db.get().loadRoot(RootTwoClasses::new);
});
}
@ -65,22 +62,26 @@ public class Clean {
super(databaseTools);
}
@DbPropertyGetter(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbPropertyGetter
public NTestUtils.RootClass getClass3() {
return getProperty();
}
@DbPropertySetter(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbPropertySetter
public void setClass3(NTestUtils.RootClass value) {
setProperty(value);
}
@DbPropertyGetter(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbPropertyGetter
public NTestUtils.RootClass getClass4() {
return getProperty();
}
@DbPropertySetter(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbPropertySetter
public void setClass4(NTestUtils.RootClass value) {
setProperty(value);
}

4
src/test/java/it/cavallium/strangedb/tests/EnhancedClassUpdate.java
View File

@ -25,7 +25,7 @@ public class EnhancedClassUpdate {
path2 = Files.createTempFile("db-tests-blocks-", ".db");
path3 = Files.createTempFile("db-tests-references-", ".db");
db = new DatabaseJava(path1, path2, path3);
OldClass root = db.loadRoot(OldClass.class, OldClass::new);
OldClass root = db.loadRoot(OldClass::new);
root.field1 = "Abc";
root.field2 = 12;
root.field4 = 13;
@ -35,7 +35,7 @@ public class EnhancedClassUpdate {
@Test
public void shouldUpdateClass() throws IOException {
db = new DatabaseJava(path1, path2, path3);
V2Class root = db.loadRoot(V2Class.class, V2Class::new);
V2Class root = db.loadRoot(V2Class::new);
assertEquals(root.field4, "Abc");
assertEquals(root.field2, 12);
assertEquals(root.field1, 13L);

44
src/test/java/it/cavallium/strangedb/tests/ListContainer.java Normal file
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@ -0,0 +1,44 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.objects.lists.EnhancedObjectStrangeDbList;
import java.io.IOException;
import java.util.Random;
public class ListContainer extends EnhancedObject {
@DbField(id = 0, type = DbDataType.ENHANCED_OBJECT)
public EnhancedObjectStrangeDbList<User> usersList;
public ListContainer() {
}
public ListContainer(IDatabaseTools databaseTools, int count) throws IOException {
super(databaseTools);
this.usersList = new EnhancedObjectStrangeDbList<>(databaseTools, User.class);
Random random = new Random();
for (int i = 0; i < count; i++) {
User usr;
int randomInt = random.nextInt(2);
switch (randomInt) {
case 0:
usr = new User(databaseTools, "Rossi" + count + "Mario"+count, "the" + count + "_mariorossi99", "Long long big " + count + " giant bio mario rossi 99 abcdefghijklmnopqrstuvwxyz");
break;
case 1:
usr = new User(databaseTools, QueryTests.constantFirstName, QueryTests.constantUsername, QueryTests.constantBio);
break;
case 2:
usr = new User(databaseTools, QueryTests.constantFirstName, "b" + count + "a", QueryTests.constantBio);
break;
default:
throw new ArrayIndexOutOfBoundsException();
}
this.usersList.add(usr);
}
}
}

19
src/test/java/it/cavallium/strangedb/tests/MultipleEnhancedObjects.java
View File

@ -1,10 +1,7 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.annotations.*;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.annotations.DbPropertyGetter;
import it.cavallium.strangedb.java.annotations.DbPropertySetter;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import it.cavallium.strangedb.utils.NTestUtils;
import org.junit.After;
@ -20,7 +17,7 @@ public class MultipleEnhancedObjects {
@Before
public void setUp() throws Exception {
db = NTestUtils.wrapDb().create((db) -> {
root = db.get().loadRoot(RootTwoClasses.class, RootTwoClasses::new);
root = db.get().loadRoot(RootTwoClasses::new);
});
root.class1 = new NTestUtils.RootClass(db.get());
db.setRootClassValues(root.class1);
@ -62,22 +59,26 @@ public class MultipleEnhancedObjects {
super(databaseTools);
}
@DbPropertyGetter(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbPropertyGetter
public NTestUtils.RootClass getClass3() {
return getProperty();
}
@DbPropertySetter(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbPropertySetter
public void setClass3(NTestUtils.RootClass value) {
setProperty(value);
}
@DbPropertyGetter(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbPropertyGetter
public NTestUtils.RootClass getClass4() {
return getProperty();
}
@DbPropertySetter(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbPropertySetter
public void setClass4(NTestUtils.RootClass value) {
setProperty(value);
}

139
src/test/java/it/cavallium/strangedb/tests/ObjectListTests.java Normal file
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@ -0,0 +1,139 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.database.DatabaseJava;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import it.cavallium.strangedb.java.objects.lists.EnhancedObjectStrangeDbList;
import it.cavallium.strangedb.java.objects.lists.ObjectStrangeDbList;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.junit.Assert.assertEquals;
public class ObjectListTests {
private Path path1;
private Path path2;
private Path path3;
private DatabaseJava db;
@Before
public void setUp() throws Exception {
path1 = Files.createTempFile("db-tests-data-", ".db");
path2 = Files.createTempFile("db-tests-blocks-", ".db");
path3 = Files.createTempFile("db-tests-references-", ".db");
db = new DatabaseJava(path1, path2, path3);
ListsRoot root = db.loadRoot(ListsRoot::new);
for (int i = 0; i < 5000; i++) {
root.objectList.add(new ObjectItem(i));
root.enhancedObjectList.add(new EnhancedObjectItem(db, i));
}
for (int i = 0; i < 5000; i++) {
if (i % 10 == 0) {
root.objectList.update(i, new ObjectItem(i));
root.enhancedObjectList.update(i, new EnhancedObjectItem(db, i));
}
}
for (int i = 0; i < 5000; i++) {
if (i % 11 == 0) {
root.objectList.set(i, new ObjectItem(i));
root.enhancedObjectList.set(i, new EnhancedObjectItem(db, i));
}
}
for (int i = 5000; i < 6000; i++) {
root.objectList.add(new ObjectItem(0));
root.enhancedObjectList.add(i, new EnhancedObjectItem(db, 0));
}
db.close();
}
@Test
public void shouldUpdateClass() throws IOException {
db = new DatabaseJava(path1, path2, path3);
ListsRoot root = db.loadRoot(ListsRoot::new);
new Thread(() -> {
try {
for (int i = 0; i < 5000; i++) {
String val = root.objectList.get(i).value;
assertEquals(val, "test_" + i);
val = root.enhancedObjectList.get(i).value;
assertEquals(val, "test_" + i);
}
for (int i = 5000; i < 6000; i++) {
assertEquals(root.objectList.get(i).value, "test_" + 0);
assertEquals(root.enhancedObjectList.get(i).value, "test_" + 0);
}
} catch (IOException e) {
e.printStackTrace();
}
}).start();
try {
Thread.sleep(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
db.close();
}
@After
public void tearDown() throws Exception {
Files.deleteIfExists(path1);
Files.deleteIfExists(path2);
Files.deleteIfExists(path3);
}
public static class ListsRoot extends EnhancedObject {
@DbField(id = 0,name = "objectList", type = DbDataType.ENHANCED_OBJECT)
public ObjectStrangeDbList<ObjectItem> objectList;
@DbField(id = 1,name = "enhancedObjectList", type = DbDataType.ENHANCED_OBJECT)
public EnhancedObjectStrangeDbList<EnhancedObjectItem> enhancedObjectList;
@Deprecated
public ListsRoot() {
}
public ListsRoot(IDatabaseTools tools) throws IOException {
super(tools);
objectList = new ObjectStrangeDbList<>(tools);
enhancedObjectList = new EnhancedObjectStrangeDbList<>(tools, EnhancedObjectItem.class);
}
}
public static class ObjectItem {
private String value;
public ObjectItem() {
}
private ObjectItem(int i) {
this.value = "test_" + i;
}
}
public static class EnhancedObjectItem extends EnhancedObject {
@DbField(id = 0, type = DbDataType.OBJECT, name = "value")
private String value;
@Deprecated
public EnhancedObjectItem() {
}
public EnhancedObjectItem(IDatabaseTools tools, int i) throws IOException {
super(tools);
this.value = "test_" + i;
}
}
}

30
src/test/java/it/cavallium/strangedb/tests/Performance.java
View File

@ -49,16 +49,16 @@ public class Performance {
System.out.println("Test name Total Time | Time at 1 Time at 10 Time at 100 Time at 1K Time at 10K");
System.out.println("-------------------------------------------------------+-----------------------------------------------------------------");
testS("DatabaseCore creation", 3000, Performance::deleteDb, Performance::generateDb, () -> {});
testS("DatabaseCore root creation", 3000, Performance::regenDb, () -> db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new), () -> {});
testS("DatabaseCore root creation", 3000, Performance::regenDb, () -> db.loadRoot(PreloadedListContainer::new), () -> {});
final VariableWrapper<PreloadedListContainer> preloadedListContainer = new VariableWrapper<>(null);
final VariableWrapper<SimpleEnhancedObject> simpleEnhancedObjectContainer = new VariableWrapper<>(null);
testS("ObjectStrangeDbList<Int> creation", 3000, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
}, () -> preloadedListContainer.var.list = new ObjectStrangeDbList<>(db), () -> {});
testS("ObjectStrangeDbList<Int>: Filling with 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
}, () -> {
for (int i = 0; i < 1000; i++) {
@ -67,7 +67,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<EnhancedObject>: Filling with 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.listOfEnhancedObj = new EnhancedObjectStrangeDbList<>(db, SimpleEnhancedObject.class);
simpleEnhancedObjectContainer.var = new SimpleEnhancedObject(db);
simpleEnhancedObjectContainer.var.integerNumber = 10;
@ -83,7 +83,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<Int>: Filling with 10000 items", 10, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
}, () -> {
for (int i = 0; i < 10000; i++) {
@ -92,7 +92,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<Int>: Filling with 100000 items", 1, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
}, () -> {
for (int i = 0; i < 100000; i++) {
@ -101,7 +101,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<Int>: Loading 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
for (int i = 0; i < 1000; i++) {
preloadedListContainer.var.list.add(1000);
@ -113,7 +113,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<EnhancedObject>: Loading with 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.listOfEnhancedObj = new EnhancedObjectStrangeDbList<>(db, SimpleEnhancedObject.class);
simpleEnhancedObjectContainer.var = new SimpleEnhancedObject(db);
simpleEnhancedObjectContainer.var.integerNumber = 10;
@ -132,7 +132,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<Int>: Loading 10000 items", 10, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
for (int i = 0; i < 10000; i++) {
preloadedListContainer.var.list.add(1000);
@ -144,7 +144,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<Int>: getLast() with 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
for (int i = 0; i < 1000; i++) {
preloadedListContainer.var.list.add(1000);
@ -154,7 +154,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<EnhancedObject>: getLast() with 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.listOfEnhancedObj = new EnhancedObjectStrangeDbList<>(db, SimpleEnhancedObject.class);
simpleEnhancedObjectContainer.var = new SimpleEnhancedObject(db);
simpleEnhancedObjectContainer.var.integerNumber = 10;
@ -171,7 +171,7 @@ public class Performance {
}, () -> {});
testS("ObjectStrangeDbList<Int>: size() with 1000 items", 100, () -> {
regenDb();
preloadedListContainer.var = db.loadRoot(PreloadedListContainer.class, PreloadedListContainer::new);
preloadedListContainer.var = db.loadRoot(PreloadedListContainer::new);
preloadedListContainer.var.list = new ObjectStrangeDbList<>(db);
for (int i = 0; i < 1000; i++) {
preloadedListContainer.var.list.add(1000);
@ -318,12 +318,14 @@ public class Performance {
}
@DbPropertyGetter(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 0, type = DbDataType.ENHANCED_OBJECT)
@DbPropertyGetter()
public ObjectStrangeDbList<Integer> getList() {
return getProperty();
}
@DbPropertySetter(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 1, type = DbDataType.ENHANCED_OBJECT)
@DbPropertySetter()
public void setList(ObjectStrangeDbList<Integer> list) {
setProperty(list);
}

59
src/test/java/it/cavallium/strangedb/tests/QueryTests.java Normal file
View File

@ -0,0 +1,59 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.database.DatabaseJava;
import it.cavallium.strangedb.java.objects.lists.ListQuery;
import it.cavallium.strangedb.java.objects.lists.ValuePointer;
import it.cavallium.strangedb.java.objects.lists.operations.Equals;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import static org.junit.Assert.assertNotEquals;
public class QueryTests {
public static final String constantFirstName = "Jesus christ this is a very strange first name";
public static final String constantUsername = "is this an username?";
public static final String constantBio = "and is this a bio??? Are you mad?";
private Path path1;
private Path path2;
private Path path3;
private DatabaseJava db;
@Before
public void setUp() throws Exception {
path1 = Files.createTempFile("db-tests-data-", ".db");
path2 = Files.createTempFile("db-tests-blocks-", ".db");
path3 = Files.createTempFile("db-tests-references-", ".db");
db = new DatabaseJava(path1, path2, path3);
}
@Test
public void shouldCreateListAndQuery() throws IOException {
ListContainer root = db.loadRoot((db) -> new ListContainer(db, 1000));
ListQuery query = ListQuery.create(ValuePointer.ofField(User.class, "firstName"), Equals.to(constantFirstName))
.and(ValuePointer.ofField(User.class, "username"), Equals.to(constantUsername))
.and(ValuePointer.ofField(User.class, "fullInfo").field(UserFullInfo.class, "bio"), Equals.to(constantBio));
long time1 = System.currentTimeMillis();
ArrayList<User> elements = root.usersList.query(query).asList();
System.out.println("Time elapsed: " + (System.currentTimeMillis() - time1));
System.out.println("Found " + elements.size() + " elements. First 5 items:");
assertNotEquals(elements.size(), 0);
for (int i = 0; i < (elements.size() > 10 ? 10 : elements.size()); i++) {
System.out.println(elements.get(i));
}
db.close();
}
@After
public void tearDown() throws Exception {
Files.deleteIfExists(path1);
Files.deleteIfExists(path2);
Files.deleteIfExists(path3);
}
}

40
src/test/java/it/cavallium/strangedb/tests/User.java Normal file
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@ -0,0 +1,40 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import java.io.IOException;
import java.util.StringJoiner;
public class User extends EnhancedObject {
@DbField(id = 0, name = "firstName")
public String firstName;
@DbField(id = 1, name = "username")
public String username;
@DbField(id = 2, type = DbDataType.ENHANCED_OBJECT, name = "fullInfo")
public UserFullInfo fullInfo;
public User() {
}
public User(IDatabaseTools databaseTools, String firstName, String username, String bio) throws IOException {
super(databaseTools);
this.firstName = firstName;
this.username = username;
this.fullInfo = new UserFullInfo(databaseTools, bio);
}
@Override
public String toString() {
return new StringJoiner(", ", User.class.getSimpleName() + "[", "]")
.add("firstName='" + firstName + "'")
.add("username='" + username + "'")
.add("fullInfo=" + fullInfo)
.toString();
}
}

31
src/test/java/it/cavallium/strangedb/tests/UserFullInfo.java Normal file
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@ -0,0 +1,31 @@
package it.cavallium.strangedb.tests;
import it.cavallium.strangedb.java.annotations.DbDataType;
import it.cavallium.strangedb.java.annotations.DbField;
import it.cavallium.strangedb.java.database.IDatabaseTools;
import it.cavallium.strangedb.java.objects.EnhancedObject;
import java.io.IOException;
import java.util.StringJoiner;
public class UserFullInfo extends EnhancedObject {
@DbField(id = 0, name = "bio")
public String bio;
public UserFullInfo() {
}
public UserFullInfo(IDatabaseTools databaseTools, String bio) throws IOException {
super(databaseTools);
this.bio = bio;
}
@Override
public String toString() {
return new StringJoiner(", ", UserFullInfo.class.getSimpleName() + "[", "]")
.add("bio='" + bio + "'")
.toString();
}
}

18
src/test/java/it/cavallium/strangedb/utils/NTestUtils.java
View File

@ -247,32 +247,38 @@ public class NTestUtils {
super(databaseTools);
}
@DbPropertyGetter(id = 0, type = DbDataType.OBJECT)
@DbProperty(id = 0, type = DbDataType.OBJECT)
@DbPropertyGetter
public String get7() {
return getProperty();
}
@DbPropertyGetter(id = 1, type = DbDataType.REFERENCES_LIST)
@DbProperty(id = 1, type = DbDataType.REFERENCES_LIST)
@DbPropertyGetter
public LongArrayList get8() {
return getProperty();
}
@DbPropertyGetter(id = 2, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 2, type = DbDataType.ENHANCED_OBJECT)
@DbPropertyGetter
public NSimplestClass get9() {
return getProperty();
}
@DbPropertySetter(id = 0, type = DbDataType.OBJECT)
@DbProperty(id = 0, type = DbDataType.OBJECT)
@DbPropertySetter
public void set7(String val) {
setProperty(val);
}
@DbPropertySetter(id = 1, type = DbDataType.REFERENCES_LIST)
@DbProperty(id = 1, type = DbDataType.REFERENCES_LIST)
@DbPropertySetter
public void set8(LongArrayList val) {
setProperty(val);
}
@DbPropertySetter(id = 2, type = DbDataType.ENHANCED_OBJECT)
@DbProperty(id = 2, type = DbDataType.ENHANCED_OBJECT)
@DbPropertySetter
public void set9(NSimplestClass val) {
setProperty(val);
}