001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.hadoop.fs;
019    
020    import org.apache.hadoop.classification.InterfaceAudience;
021    import org.apache.hadoop.classification.InterfaceStability;
022    
023    /**
024     * Specifies semantics for CacheDirective operations. Multiple flags can
025     * be combined in an EnumSet.
026     */
027    @InterfaceAudience.Public
028    @InterfaceStability.Evolving
029    public enum CacheFlag {
030    
031      /**
032       * Ignore cache pool resource limits when performing this operation.
033       */
034      FORCE((short) 0x01);
035      private final short mode;
036    
037      private CacheFlag(short mode) {
038        this.mode = mode;
039      }
040    
041      short getMode() {
042        return mode;
043      }
044    }