/*
 * 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.geode.cache.lucene.internal;

import org.apache.geode.cache.EntryEvent;
import org.apache.geode.cache.wan.GatewayEventSubstitutionFilter;

/**
 * A substitution filter which throws away the value of the entry and replaces it with an empty
 * string. For the lucene index, we will just fetch the new value from the region, so we don't need
 * the value.
 */
public class LuceneEventSubstitutionFilter implements GatewayEventSubstitutionFilter {
  @Override
  public Object getSubstituteValue(final EntryEvent event) {
    return null;
  }

  @Override
  public void close() {

  }
}
