/*
* Copyright © 2016 Cask Data, Inc.
*
* 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 co.cask.cdap.data2.metadata.indexer;
import co.cask.cdap.data2.metadata.dataset.MetadataEntry;
import java.util.Set;
/**
* Indexer for indexing {@link MetadataEntry}
*/
public interface Indexer {
/**
* Creates the indexes for the {@link MetadataEntry}
*
* @param entry the {@link MetadataEntry} for which indexes needs to be created
* @return a {@link Set Set<String>} containing indexes for the given {@link MetadataEntry}
*/
Set<String> getIndexes(MetadataEntry entry);
}