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/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2000-2009. All Rights Reserved.
*
* The contents of this file are subject to the Erlang Public License,
* Version 1.1, (the "License"); you may not use this file except in
* compliance with the License. You should have received a copy of the
* Erlang Public License along with this software. If not, it can be
* retrieved online at http://www.erlang.org/.
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* %CopyrightEnd%
*/
package com.ericsson.otp.erlang;
// package scope
class Link {
private final OtpErlangPid local;
private final OtpErlangPid remote;
private int hashCodeValue = 0;
public Link(final OtpErlangPid local, final OtpErlangPid remote) {
this.local = local;
this.remote = remote;
}
public OtpErlangPid local() {
return local;
}
public OtpErlangPid remote() {
return remote;
}
public boolean contains(final OtpErlangPid pid) {
return local.equals(pid) || remote.equals(pid);
}
public boolean equals(final OtpErlangPid alocal, final OtpErlangPid aremote) {
return local.equals(alocal) && remote.equals(aremote)
|| local.equals(aremote) && remote.equals(alocal);
}
@Override
public int hashCode() {
if (hashCodeValue == 0) {
OtpErlangObject.Hash hash = new OtpErlangObject.Hash(5);
hash.combine(local.hashCode() + remote.hashCode());
hashCodeValue = hash.valueOf();
}
return hashCodeValue;
}
}
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