IndexListener.java :  » Library » jackrabbit-2.0.0 » org » apache » jackrabbit » core » query » lucene » Java Open Source

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jackrabbit 2.0.0 » org » apache » jackrabbit » core » query » lucene » IndexListener.java
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.jackrabbit.core.query.lucene;

import org.apache.lucene.index.Term;

/**
 * Defines an interface that allows implementing classes to listen for index
 * changes (namely document deletes) while using a {@link ReadOnlyIndexReader}.
 */
public interface IndexListener {

    /**
     * Informs this listener, that the document with <code>id</code> has been
     * deleted.
     *
     * @param id the <code>Term</code> that identifies the deleted document.
     */
    void documentDeleted(Term id);

}
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