62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
package it.cavallium.strangedb.database;
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import it.cavallium.strangedb.annotations.DbDataType;
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import it.cavallium.strangedb.annotations.DbPrimitiveType;
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import it.unimi.dsi.fastutil.longs.LongList;
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import it.cavallium.strangedb.EnhancedObjectUpgrader;
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import java.io.IOException;
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import java.util.function.Supplier;
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public class DatabaseEnhancedObjectUpgrader implements EnhancedObjectUpgrader {
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private final DatabaseObjectsIO objectsIO;
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private final long[] fieldRefs;
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private final long[] methodRefs;
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private final long primitiveDataRef;
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public DatabaseEnhancedObjectUpgrader(DatabaseObjectsIO objectsIO, long[] fieldRefs, long[] methodRefs, long primitiveDataRef) {
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this.objectsIO = objectsIO;
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this.fieldRefs = fieldRefs;
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this.methodRefs = methodRefs;
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this.primitiveDataRef = primitiveDataRef;
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}
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@Override
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@SuppressWarnings("unchecked")
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public Object getField(int id, DbDataType type, Supplier<Class<?>> enhancedClassType) throws IOException {
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return objectsIO.loadData(type, fieldRefs[id], enhancedClassType);
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}
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@Override
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@SuppressWarnings("unchecked")
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public Object getMethod(int id, DbDataType type, Supplier<Class<?>> enhancedClassType) throws IOException {
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return objectsIO.loadData(type, methodRefs[id], enhancedClassType);
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> T getPrimitiveField(int id, DbPrimitiveType type) throws IOException {
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LongList data = objectsIO.loadPrimitiveData(primitiveDataRef);
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switch (type) {
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case BOOLEAN:
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return (T) ((Object) (data.getLong(id) % 2 == 1));
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case BYTE:
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return (T) ((Object) ((byte) data.getLong(id)));
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case SHORT:
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return (T) ((Object) ((short) data.getLong(id)));
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case CHAR:
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return (T) ((Object) ((char) data.getLong(id)));
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case INTEGER:
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return (T) ((Object) ((int) data.getLong(id)));
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case LONG:
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return (T) ((Object) ((long) data.getLong(id)));
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case FLOAT:
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return (T) ((Object) ((float) Float.intBitsToFloat((int) data.getLong(id))));
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case DOUBLE:
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return (T) ((Object) ((double) Double.longBitsToDouble(data.getLong(id))));
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default:
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throw new IOException("Type " + type + " not implemented");
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}
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}
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}
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