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.operation;
022    
023    /**
024     * Enum DebugLevel designates the level of a given {@link cascading.operation.Debug} instance. This is used in conjunction with the
025     * {@link cascading.flow.FlowConnector} to plan debug operations out of a particular {@link cascading.flow.Flow} instance.
026     * </p>
027     * Currently Debug can be denote either DEFAULT or VERBOSE. It is up to the developer to determine if a Debug operation
028     * should be at any given level.
029     */
030    public enum DebugLevel implements PlannerLevel
031      {
032        NONE( 0 ),
033        DEFAULT( 1 ),
034        VERBOSE( 2 );
035    
036      private final int rank;
037    
038      DebugLevel( int rank )
039        {
040        this.rank = rank;
041        }
042    
043      @Override
044      public boolean isNoneLevel()
045        {
046        return this == NONE;
047        }
048    
049      @Override
050      public boolean isStricterThan( PlannerLevel plannerLevel )
051        {
052        return rank > ( (DebugLevel) plannerLevel ).rank;
053        }
054      }