001/* 002 * Copyright (c) 2007-2016 Concurrent, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.flow.planner; 022 023import java.io.Serializable; 024 025/** 026 * 027 */ 028public class PlatformInfo implements Serializable, Comparable<PlatformInfo> 029 { 030 public static final PlatformInfo NULL = new PlatformInfo( null, null, null ); 031 032 public final String name; 033 public final String vendor; 034 public final String version; 035 036 public PlatformInfo( String name, String vendor, String version ) 037 { 038 this.name = name; 039 this.vendor = vendor; 040 this.version = version; 041 } 042 043 @Override 044 public int compareTo( PlatformInfo other ) 045 { 046 if( other == null ) 047 return 1; 048 049 return this.toString().compareTo( other.toString() ); 050 } 051 052 @Override 053 public boolean equals( Object object ) 054 { 055 if( this == object ) 056 return true; 057 if( object == null || getClass() != object.getClass() ) 058 return false; 059 060 PlatformInfo that = (PlatformInfo) object; 061 062 if( name != null ? !name.equals( that.name ) : that.name != null ) 063 return false; 064 if( vendor != null ? !vendor.equals( that.vendor ) : that.vendor != null ) 065 return false; 066 if( version != null ? !version.equals( that.version ) : that.version != null ) 067 return false; 068 069 return true; 070 } 071 072 @Override 073 public int hashCode() 074 { 075 int result = name != null ? name.hashCode() : 0; 076 result = 31 * result + ( vendor != null ? vendor.hashCode() : 0 ); 077 result = 31 * result + ( version != null ? version.hashCode() : 0 ); 078 return result; 079 } 080 081 @Override 082 public String toString() 083 { 084 final StringBuilder sb = new StringBuilder(); 085 086 if( name == null ) 087 sb.append( "UNKNOWN" ).append( ':' ); 088 else 089 sb.append( name ).append( ':' ); 090 091 if( version != null ) 092 sb.append( version ).append( ':' ); 093 094 if( vendor != null ) 095 sb.append( vendor ); 096 097 return sb.toString(); 098 } 099 }