    001    /*
    002     * Copyright (c) 2007-2014 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
    021    package cascading.flow.planner;
    022
    023    import java.io.Serializable;
    024
    025    /**
    026     *
    027     */
    028    public class PlatformInfo implements Serializable, Comparable
    029      {
    030      public final String name;
    031      public final String vendor;
    032      public final String version;
    033
    034      public PlatformInfo( String name, String vendor, String version )
    035        {
    036        this.name = name;
    037        this.vendor = vendor;
    038        this.version = version;
    039        }
    040
    041      @Override
    042      public boolean equals( Object object )
    043        {
    044        if( this == object )
    045          return true;
    046        if( object == null || getClass() != object.getClass() )
    047          return false;
    048
    049        PlatformInfo that = (PlatformInfo) object;
    050
    051        if( name != null ? !name.equals( that.name ) : that.name != null )
    052          return false;
    053        if( vendor != null ? !vendor.equals( that.vendor ) : that.vendor != null )
    054          return false;
    055        if( version != null ? !version.equals( that.version ) : that.version != null )
    056          return false;
    057
    058        return true;
    059        }
    060
    061      @Override
    062      public int compareTo( Object o )
    063        {
    064        if( name == null )
    065          return -1;
    066
    067        return name.compareTo( ( (PlatformInfo) o ).name );
    068        }
    069
    070      @Override
    071      public int hashCode()
    072        {
    073        int result = name != null ? name.hashCode() : 0;
    074        result = 31 * result + ( vendor != null ? vendor.hashCode() : 0 );
    075        result = 31 * result + ( version != null ? version.hashCode() : 0 );
    076        return result;
    077        }
    078
    079      @Override
    080      public String toString()
    081        {
    082        final StringBuilder sb = new StringBuilder();
    083
    084        sb.append( name ).append( ':' );
    085
    086        if( version != null )
    087          sb.append( version ).append( ':' );
    088
    089        if( vendor != null )
    090          sb.append( vendor );
    091
    092        return sb.toString();
    093        }
    094      }