*  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 0.0 (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-0.0   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.