102 lines
3.6 KiB
Java
102 lines
3.6 KiB
Java
package org.warp.cowdb;
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import org.apache.commons.lang3.reflect.MethodUtils;
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import org.warp.jcwdb.ann.DBDataType;
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import org.warp.jcwdb.ann.DBPropertyGetter;
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import org.warp.jcwdb.ann.DBPropertySetter;
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import java.io.IOError;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.Map;
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public abstract class EnhancedObject {
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protected IDatabase database;
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private Field[] fields;
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private DBDataType[] fieldTypes;
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private long[] fieldReferences;
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private Method[] propertyGetters;
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private Method[] propertySetters;
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private DBDataType[] propertyTypes;
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private long[] propertyReferences;
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private boolean[] loadedProperties;
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private Object[] loadedPropertyValues;
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private Map<String, DBPropertySetter> setterMethods;
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private Map<String, DBPropertyGetter> getterMethods;
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public EnhancedObject() {
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}
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public EnhancedObject(IDatabase database) throws IOException {
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this.database = database;
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database.getDataInitializer().initializeDBObject(this);
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}
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public abstract void initialize() throws IOException;
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public void setFields(Field[] fields, DBDataType[] fieldTypes, long[] fieldReferences) {
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this.fields = fields;
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this.fieldTypes = fieldTypes;
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this.fieldReferences = fieldReferences;
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}
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public Method[] getPropertyGetters() {
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return MethodUtils.getMethodsWithAnnotation(this.getClass(), DBPropertyGetter.class);
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}
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public Method[] getPropertySetters() {
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return MethodUtils.getMethodsWithAnnotation(this.getClass(), DBPropertySetter.class);
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}
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public void setProperties(Method[] propertyGetters, Method[] propertySetters, DBDataType[] propertyTypes, long[] propertyReferences, Map<String, DBPropertySetter> setterMethods, Map<String, DBPropertyGetter> getterMethods) {
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this.propertyGetters = propertyGetters;
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this.propertySetters = propertySetters;
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this.propertyTypes = propertyTypes;
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this.propertyReferences = propertyReferences;
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this.loadedProperties = new boolean[this.propertyReferences.length];
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this.loadedPropertyValues = new Object[this.propertyReferences.length];
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this.setterMethods = setterMethods;
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this.getterMethods = getterMethods;
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}
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public EnhancedObjectFullInfo getAllInfo() {
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return new EnhancedObjectFullInfo(fieldReferences, fieldTypes, fields, propertyReferences, propertyTypes, loadedPropertyValues);
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}
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public <T> T getProperty() {
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StackWalker walker = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
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StackWalker.StackFrame stackFrame = walker.walk(f -> f.skip(1).findFirst().orElse(null));
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try {
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int propertyId = stackFrame.getDeclaringClass().getDeclaredMethod(stackFrame.getMethodName()).getAnnotation(DBPropertyGetter.class).id();
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return getProperty(propertyId);
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} catch (IOException | NoSuchMethodException e) {
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throw new RuntimeException(e);
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}
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}
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@SuppressWarnings("unchecked")
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private <T> T getProperty(int propertyId) throws IOException {
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if (!loadedProperties[propertyId]) {
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long propertyUID = propertyReferences[propertyId];
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database.getObjectsIO().loadProperty(this, propertyId, propertyGetters[propertyId], propertyTypes[propertyId], propertyUID);
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}
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return (T) loadedPropertyValues[propertyId];
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}
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public <T> void setProperty(T value) {
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StackWalker walker = StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
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StackWalker.StackFrame stackFrame = walker.walk(f -> f.skip(1).findFirst().orElse(null));
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DBPropertySetter propertyAnnotation = setterMethods.get(stackFrame.getMethodName());
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setProperty(propertyAnnotation.id(), value);
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}
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public <T> void setProperty(int propertyId, T value) {
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loadedPropertyValues[propertyId] = value;
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loadedProperties[propertyId] = true;
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}
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}
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