| /* |
| * 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. |
| */ |
| package org.apache.catalina.tribes; |
| |
| import java.io.Serializable; |
| |
| import org.apache.catalina.tribes.util.Arrays; |
| |
| /** |
| * <p>Title: Represents a globally unique Id</p> |
| * |
| * <p>Company: </p> |
| * |
| * @version 1.0 |
| */ |
| public final class UniqueId implements Serializable{ |
| private static final long serialVersionUID = 1L; |
| |
| protected final byte[] id; |
| |
| public UniqueId() { |
| this(null); |
| } |
| |
| public UniqueId(byte[] id) { |
| this.id = id; |
| } |
| |
| public UniqueId(byte[] id, int offset, int length) { |
| this.id = new byte[length]; |
| System.arraycopy(id,offset,this.id,0,length); |
| } |
| |
| @Override |
| public int hashCode() { |
| if ( id == null ) return 0; |
| return Arrays.hashCode(id); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| boolean result = (other instanceof UniqueId); |
| if ( result ) { |
| UniqueId uid = (UniqueId)other; |
| if ( this.id == null && uid.id == null ) result = true; |
| else if ( this.id == null && uid.id != null ) result = false; |
| else if ( this.id != null && uid.id == null ) result = false; |
| else result = Arrays.equals(this.id,uid.id); |
| }//end if |
| return result; |
| } |
| |
| public byte[] getBytes() { |
| return id; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder buf = new StringBuilder("UniqueId"); |
| buf.append(org.apache.catalina.tribes.util.Arrays.toString(id)); |
| return buf.toString(); |
| } |
| |
| } |