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/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* 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. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.cache.hdfs.internal.hoplog.mapreduce;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.io.WritableComparable;
import org.apache.hadoop.io.WritableComparator;
import com.gemstone.gemfire.internal.util.BlobHelper;
public class GFKey implements WritableComparable {
private Object key;
public Object getKey() {
return key;
}
public void setKey(Object key) {
this.key = key;
}
@Override
public void write(DataOutput out) throws IOException {
byte[] bytes = BlobHelper.serializeToBlob(key);
out.writeInt(bytes.length);
out.write(bytes, 0, bytes.length);
}
@Override
public void readFields(DataInput in) throws IOException {
int len = in.readInt();
byte[] bytes = new byte[len];
in.readFully(bytes, 0, len);
try {
key = BlobHelper.deserializeBlob(bytes);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
@Override
public int compareTo(GFKey o) {
try {
byte[] b1 = BlobHelper.serializeToBlob(key);
byte[] b2 = BlobHelper.serializeToBlob(o.key);
return WritableComparator.compareBytes(b1, 0, b1.length, b2, 0, b2.length);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return 0;
}
}