| // Copyright 2014 Google Inc. All rights reserved. | 
 | // | 
 | // Licensed 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 com.google.devtools.build.lib.events; | 
 |  | 
 | import java.util.Set; | 
 |  | 
 | /** | 
 |  * An abstract event handler that keeps track of the event mask. Events | 
 |  * matching the mask will be handled. | 
 |  */ | 
 | public abstract class AbstractEventHandler implements EventHandler { | 
 |  | 
 |   private final Set<EventKind> mask; | 
 |  | 
 |   /** | 
 |    * Events matching the mask will be handled. | 
 |    */ | 
 |   public AbstractEventHandler(Set<EventKind> mask) { | 
 |     this.mask = mask; | 
 |   } | 
 |  | 
 |   public Set<EventKind> getEventMask() { | 
 |     return mask; | 
 |   } | 
 | } |