/*
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* %CopyrightBegin%
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*
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* Copyright Ericsson AB 2000-2009. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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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* %CopyrightEnd%
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*/
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package com.ericsson.otp.erlang;
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// package scope
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class Link {
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private final OtpErlangPid local;
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private final OtpErlangPid remote;
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private int hashCodeValue = 0;
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public Link(final OtpErlangPid local, final OtpErlangPid remote) {
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this.local = local;
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this.remote = remote;
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}
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public OtpErlangPid local() {
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return local;
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}
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public OtpErlangPid remote() {
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return remote;
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}
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public boolean contains(final OtpErlangPid pid) {
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return local.equals(pid) || remote.equals(pid);
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}
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public boolean equals(final OtpErlangPid alocal, final OtpErlangPid aremote) {
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return local.equals(alocal) && remote.equals(aremote)
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|| local.equals(aremote) && remote.equals(alocal);
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}
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public int hashCode() {
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if (hashCodeValue == 0) {
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final OtpErlangObject.Hash hash = new OtpErlangObject.Hash(5);
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hash.combine(local.hashCode() + remote.hashCode());
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hashCodeValue = hash.valueOf();
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}
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return hashCodeValue;
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}
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}
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