org.apache.flink.runtime.state.gemini.engine.page.bmap.BinaryKey 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.flink.runtime.state.gemini.engine.page.bmap;
import java.nio.ByteBuffer;
/**
* BinaryKey for BinaryHashMap.
*/
public final class BinaryKey {
private final int keyOffset;
private final int keyLen;
private final int keyhashCode;
// BinaryKey is internal data structure, so no need GByteBuffer to release reference count.
private final ByteBuffer bb;
public BinaryKey(ByteBuffer data, int keyOffset, int keyLen, int keyhashCode) {
this.keyOffset = keyOffset;
this.keyLen = keyLen;
this.bb = data;
this.keyhashCode = keyhashCode;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
BinaryKey binaryKey = (BinaryKey) o;
return keyhashCode == binaryKey.keyhashCode && keyLen == binaryKey.keyLen && ByteBufferUtils.compareTo(bb,
keyOffset,
keyLen,
binaryKey.bb,
binaryKey.keyOffset,
binaryKey.keyLen) == 0;
}
@Override
public int hashCode() {
return this.keyhashCode;
}
public int getKeyOffset() {
return keyOffset;
}
public int getKeyLen() {
return keyLen;
}
public int getKeyhashCode() {
return keyhashCode;
}
public ByteBuffer getBb() {
return bb;
}
}