78 lines
2.2 KiB
Java
78 lines
2.2 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* 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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package org.apache.catalina.tribes;
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import java.io.Serializable;
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import org.apache.catalina.tribes.util.Arrays;
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/**
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* <p>Title: Represents a globally unique Id</p>
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*
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* <p>Company: </p>
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*
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* @version 1.0
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*/
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public final class UniqueId implements Serializable{
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private static final long serialVersionUID = 1L;
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final byte[] id;
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public UniqueId() {
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this(null);
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}
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public UniqueId(byte[] id) {
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this.id = id;
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}
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public UniqueId(byte[] id, int offset, int length) {
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this.id = new byte[length];
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System.arraycopy(id,offset,this.id,0,length);
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}
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@Override
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public int hashCode() {
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if ( id == null ) return 0;
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return Arrays.hashCode(id);
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}
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@Override
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public boolean equals(Object other) {
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boolean result = (other instanceof UniqueId);
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if ( result ) {
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UniqueId uid = (UniqueId)other;
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if ( this.id == null && uid.id == null ) result = true;
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else if ( this.id == null && uid.id != null ) result = false;
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else if ( this.id != null && uid.id == null ) result = false;
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else result = Arrays.equals(this.id,uid.id);
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}//end if
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return result;
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}
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public byte[] getBytes() {
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return id;
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}
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@Override
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public String toString() {
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StringBuilder buf = new StringBuilder("UniqueId");
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buf.append(Arrays.toString(id));
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return buf.toString();
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}
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} |