/* * Copyright 2011-2016 the original author or authors. * * 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 org.springframework.data.mongodb.core; import java.util.List; import org.springframework.data.mongodb.core.index.IndexDefinition; import org.springframework.data.mongodb.core.index.IndexInfo; /** * Index operations on a collection. * * @author Mark Pollack * @author Oliver Gierke * @author Christoph Strobl */ public interface IndexOperations { /** * Ensure that an index for the provided {@link IndexDefinition} exists for the collection indicated by the entity * class. If not it will be created. * * @param indexDefinition must not be {@literal null}. */ String ensureIndex(IndexDefinition indexDefinition); /** * Drops an index from this collection. * * @param name name of index to drop */ void dropIndex(String name); /** * Drops all indices from this collection. */ void dropAllIndexes(); /** * Returns the index information on the collection. * * @return index information on the collection */ List<IndexInfo> getIndexInfo(); }