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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.dubbo.common.serialize.kryo;
import org.apache.dubbo.common.serialize.Cleanable;
import org.apache.dubbo.common.serialize.ObjectOutput;
import org.apache.dubbo.common.serialize.kryo.utils.KryoUtils;
import com.esotericsoftware.kryo.Kryo;
import com.esotericsoftware.kryo.io.Output;
import java.io.IOException;
import java.io.OutputStream;
/**
* Kryo object output implementation, kryo object can be clean
*/
public class KryoObjectOutput implements ObjectOutput, Cleanable {
private Output output;
private Kryo kryo;
public KryoObjectOutput(OutputStream outputStream) {
output = new Output(outputStream);
this.kryo = KryoUtils.get();
}
@Override
public void writeBool(boolean v) throws IOException {
output.writeBoolean(v);
}
@Override
public void writeByte(byte v) throws IOException {
output.writeByte(v);
}
@Override
public void writeShort(short v) throws IOException {
output.writeShort(v);
}
@Override
public void writeInt(int v) throws IOException {
output.writeInt(v);
}
@Override
public void writeLong(long v) throws IOException {
output.writeLong(v);
}
@Override
public void writeFloat(float v) throws IOException {
output.writeFloat(v);
}
@Override
public void writeDouble(double v) throws IOException {
output.writeDouble(v);
}
@Override
public void writeBytes(byte[] v) throws IOException {
if (v == null) {
output.writeInt(-1);
} else {
writeBytes(v, 0, v.length);
}
}
@Override
public void writeBytes(byte[] v, int off, int len) throws IOException {
if (v == null) {
output.writeInt(-1);
} else {
output.writeInt(len);
output.write(v, off, len);
}
}
@Override
public void writeUTF(String v) throws IOException {
output.writeString(v);
}
@Override
public void writeObject(Object v) throws IOException {
// TODO carries class info every time.
kryo.writeClassAndObject(output, v);
}
@Override
public void flushBuffer() throws IOException {
output.flush();
}
@Override
public void cleanup() {
KryoUtils.release(kryo);
kryo = null;
}
}