565d62d4db
This adds the functionality that is used by the JMX from Origin. The following files where import: FileUtils.java Pair.java SnapshotDetailsTabularData.java, un needed functionality was removed to minimize the dependency and they were placed in a util directory. Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
69 lines
1.8 KiB
Java
69 lines
1.8 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright 2015 Cloudius Systems
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*
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* Modified by Cloudius Systems
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*/
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package com.cloudius.urchin.utils;
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import com.google.common.base.Objects;
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public class Pair<T1, T2>
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{
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public final T1 left;
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public final T2 right;
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protected Pair(T1 left, T2 right)
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{
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this.left = left;
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this.right = right;
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}
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@Override
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public final int hashCode()
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{
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int hashCode = 31 + (left == null ? 0 : left.hashCode());
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return 31*hashCode + (right == null ? 0 : right.hashCode());
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}
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@Override
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public final boolean equals(Object o)
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{
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if(!(o instanceof Pair))
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return false;
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@SuppressWarnings("rawtypes")
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Pair that = (Pair)o;
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// handles nulls properly
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return Objects.equal(left, that.left) && Objects.equal(right, that.right);
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}
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@Override
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public String toString()
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{
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return "(" + left + "," + right + ")";
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}
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public static <X, Y> Pair<X, Y> create(X x, Y y)
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{
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return new Pair<X, Y>(x, y);
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}
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}
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