IndexCache.java example

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usergrid-master
/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  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.  For additional information regarding
 * copyright in this work, please see the NOTICE file in the top level
 * directory of this distribution.
 *
 */
package org.apache.usergrid.persistence.index.impl;


import org.apache.usergrid.persistence.index.EntityIndex;
import org.apache.usergrid.persistence.index.IndexAlias;


/**
 * Cache for index lookups
 */
public interface IndexCache {
    /**
     * get index based on alias name
     * @param alias
     * @param aliasType
     * @return
     */
    String[] getIndexes(IndexAlias alias, EntityIndex.AliasType aliasType);

    /**
     * invalidate cache
     * @param alias
     */
    void invalidate(IndexAlias alias);
}