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HBASE-14202 Reduce garbage we create.
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76 changes: 76 additions & 0 deletions
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hbase-common/src/main/java/org/apache/hadoop/hbase/util/ObjectIntPair.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /** | ||
| * | ||
| * 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. | ||
| */ | ||
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| package org.apache.hadoop.hbase.util; | ||
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| import org.apache.hadoop.hbase.classification.InterfaceAudience; | ||
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| /** | ||
| * A generic class for pair of an Object and and a primitive int value. | ||
| */ | ||
| @InterfaceAudience.Private | ||
| public class ObjectIntPair<T> { | ||
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| private T first; | ||
| private int second; | ||
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| public ObjectIntPair() { | ||
| } | ||
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| public ObjectIntPair(T first, int second) { | ||
| this.setFirst(first); | ||
| this.setSecond(second); | ||
| } | ||
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| public T getFirst() { | ||
| return first; | ||
| } | ||
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| public void setFirst(T first) { | ||
| this.first = first; | ||
| } | ||
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| public int getSecond() { | ||
| return second; | ||
| } | ||
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| public void setSecond(int second) { | ||
| this.second = second; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object other) { | ||
| return other instanceof ObjectIntPair && equals(first, ((ObjectIntPair<?>) other).first) | ||
| && (this.second == ((ObjectIntPair<?>) other).second); | ||
| } | ||
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| private static boolean equals(Object x, Object y) { | ||
| return (x == null && y == null) || (x != null && x.equals(y)); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return first == null ? 0 : (first.hashCode() * 17) + 13 * second; | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "{" + getFirst() + "," + getSecond() + "}"; | ||
| } | ||
| } |
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