001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.hivemind.lib.pipeline;
016    
017    import org.apache.hivemind.Locatable;
018    import org.apache.hivemind.Location;
019    
020    /**
021     * A holder for a filter within a pipeline, and for the location for that filter.
022     * This allows the location of the filter to be reported, even if the filter
023     * itself does not implement Locatable.
024     *
025     * @author Howard Lewis Ship
026     */
027    public class FilterHolder implements Locatable
028    {
029        private Object _filter;
030        private Location _location;
031    
032        public FilterHolder(Object filter, Location location)
033        {
034            _filter = filter;
035            _location = location;
036        }
037    
038        public Object getFilter()
039        {
040            return _filter;
041        }
042    
043        public Location getLocation()
044        {
045            return _location;
046        }
047    
048    }