org.apache.jackrabbit.oak.plugins.index.aggregate.AggregateIndexProvider Maven / Gradle / Ivy
/*
* 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.oak.plugins.index.aggregate;
import java.util.ArrayList;
import java.util.List;
import javax.annotation.Nonnull;
import org.apache.jackrabbit.oak.spi.query.QueryIndex;
import org.apache.jackrabbit.oak.spi.query.QueryIndexProvider;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import static org.apache.jackrabbit.oak.spi.query.QueryIndex.AdvanceFulltextQueryIndex;
/**
* A provider for aggregate indexes. It wraps all full-text query indexes.
*/
public class AggregateIndexProvider implements QueryIndexProvider {
private final QueryIndexProvider baseProvider;
AggregateIndexProvider(QueryIndexProvider baseProvider) {
this.baseProvider = baseProvider;
}
@Nonnull
public static QueryIndexProvider wrap(
@Nonnull QueryIndexProvider baseProvider) {
return new AggregateIndexProvider(baseProvider);
}
@Override @Nonnull
public List getQueryIndexes(NodeState state) {
List list = baseProvider.getQueryIndexes(state);
List newList = new ArrayList();
for (QueryIndex index : list) {
if (index instanceof AdvanceFulltextQueryIndex) {
index = new AggregateIndex((AdvanceFulltextQueryIndex) index);
}
newList.add(index);
}
return newList;
}
}