/* * 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.flink.runtime.zookeeper; import org.apache.curator.framework.recipes.shared.VersionedValue; import org.apache.flink.util.Preconditions; /** * Wrapper class for a {@link VersionedValue} so that we don't expose a curator dependency in our * internal APIs. Such an exposure is problematic due to the relocation of curator. */ public class ZooKeeperVersionedValue<T> { private final VersionedValue<T> versionedValue; public ZooKeeperVersionedValue(VersionedValue<T> versionedValue) { this.versionedValue = Preconditions.checkNotNull(versionedValue); } public T getValue() { return versionedValue.getValue(); } VersionedValue<T> getVersionedValue() { return versionedValue; } }