curator-master/curator-recipes/src/main/java/org/apache/curator/framework/recipes/cache/CuratorCacheBridge.java
/*
 * 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.curator.framework.recipes.cache;

/**
 * A facade that uses {@link org.apache.curator.framework.recipes.cache.CuratorCache} if
 * persistent watches are available or a {@link org.apache.curator.framework.recipes.cache.TreeCache}
 * otherwise
 */
@SuppressWarnings("deprecation")
public interface CuratorCacheBridge extends CuratorCache {
    /**
     * Returns true if the underlying cache is {@link org.apache.curator.framework.recipes.cache.CuratorCache} (i.e. ZooKeeper 3.6+).
     * Otherwise it is {@link org.apache.curator.framework.recipes.cache.TreeCache} (i.e. ZooKeeper 3.5.x)
     *
     * @return true/false
     */
    boolean isCuratorCache();
}
