org.apache.hadoop.fs.BBPartHandle Maven / Gradle / Ivy
/*
* 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.hadoop.fs;
import java.nio.ByteBuffer;
import java.util.Arrays;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* Byte array backed part handle.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public final class BBPartHandle implements PartHandle {
private static final long serialVersionUID = 0x23ce3eb1;
private final byte[] bytes;
private BBPartHandle(ByteBuffer byteBuffer){
this.bytes = byteBuffer.array();
}
public static PartHandle from(ByteBuffer byteBuffer) {
return new BBPartHandle(byteBuffer);
}
@Override
public ByteBuffer bytes() {
return ByteBuffer.wrap(bytes);
}
@Override
public int hashCode() {
return Arrays.hashCode(bytes);
}
@Override
public boolean equals(Object other) {
if (!(other instanceof PartHandle)) {
return false;
}
PartHandle o = (PartHandle) other;
return bytes().equals(o.bytes());
}
}