/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.com)
* *
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.common.serialization.types;
import com.orientechnologies.orient.core.storage.impl.local.paginated.wal.OWALChanges;
import java.nio.ByteBuffer;
import java.util.Calendar;
import java.util.Date;
/**
* Serializer for {@link Date} type.
*
* @author Ilya Bershadskiy (ibersh20-at-gmail.com)
* @since 20.01.12
*/
public class ODateTimeSerializer implements OBinarySerializer<Date> {
public static final byte ID = 5;
public static final ODateTimeSerializer INSTANCE = new ODateTimeSerializer();
public int getObjectSize(Date object, Object... hints) {
return OLongSerializer.LONG_SIZE;
}
public void serialize(Date object, byte[] stream, int startPosition, Object... hints) {
final Calendar calendar = Calendar.getInstance();
calendar.setTime(object);
OLongSerializer.INSTANCE.serializeLiteral(calendar.getTimeInMillis(), stream, startPosition);
}
public Date deserialize(byte[] stream, int startPosition) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(OLongSerializer.INSTANCE.deserializeLiteral(stream, startPosition));
return calendar.getTime();
}
public int getObjectSize(byte[] stream, int startPosition) {
return OLongSerializer.LONG_SIZE;
}
public byte getId() {
return ID;
}
public int getObjectSizeNative(byte[] stream, int startPosition) {
return OLongSerializer.LONG_SIZE;
}
@Override
public void serializeNativeObject(Date object, byte[] stream, int startPosition, Object... hints) {
final Calendar calendar = Calendar.getInstance();
calendar.setTime(object);
OLongSerializer.INSTANCE.serializeNative(calendar.getTimeInMillis(), stream, startPosition);
}
@Override
public Date deserializeNativeObject(byte[] stream, int startPosition) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(OLongSerializer.INSTANCE.deserializeNative(stream, startPosition));
return calendar.getTime();
}
public boolean isFixedLength() {
return true;
}
public int getFixedLength() {
return OLongSerializer.LONG_SIZE;
}
@Override
public Date preprocess(Date value, Object... hints) {
return value;
}
/**
* {@inheritDoc}
*/
@Override
public void serializeInByteBufferObject(Date object, ByteBuffer buffer, Object... hints) {
final Calendar calendar = Calendar.getInstance();
calendar.setTime(object);
buffer.putLong(calendar.getTimeInMillis());
}
/**
* {@inheritDoc}
*/
@Override
public Date deserializeFromByteBufferObject(ByteBuffer buffer) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(buffer.getLong());
return calendar.getTime();
}
/**
* {@inheritDoc}
*/
@Override
public int getObjectSizeInByteBuffer(ByteBuffer buffer) {
return OLongSerializer.LONG_SIZE;
}
/**
* {@inheritDoc}
*/
@Override
public Date deserializeFromByteBufferObject(ByteBuffer buffer, OWALChanges walChanges, int offset) {
final Calendar calendar = Calendar.getInstance();
calendar.setTimeInMillis(walChanges.getLongValue(buffer, offset));
return calendar.getTime();
}
/**
* {@inheritDoc}
*/
@Override
public int getObjectSizeInByteBuffer(ByteBuffer buffer, OWALChanges walChanges, int offset) {
return OLongSerializer.LONG_SIZE;
}
}