io.journalkeeper.journalstore.JournalStoreQuerySerializer Maven / Gradle / Ivy
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/**
* 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.
*/
package io.journalkeeper.journalstore;
import io.journalkeeper.base.Serializer;
import java.nio.ByteBuffer;
public class JournalStoreQuerySerializer implements Serializer {
private static final int SIZE = Byte.BYTES + Short.BYTES + Long.BYTES + Integer.BYTES + Long.BYTES;
@Override
public byte[] serialize(JournalStoreQuery query) {
byte[] bytes = new byte[SIZE];
ByteBuffer buffer = ByteBuffer.wrap(bytes);
buffer.put((byte) query.getCmd());
buffer.putShort((short) query.getPartition());
buffer.putLong(query.getIndex());
buffer.putInt(query.getSize());
buffer.putLong(query.getTimestamp());
return bytes;
}
@Override
public JournalStoreQuery parse(byte[] bytes) {
ByteBuffer buffer = ByteBuffer.wrap(bytes);
return new JournalStoreQuery(buffer.get(), buffer.getShort(), buffer.getLong(), buffer.getInt(), buffer.getLong());
}
}