/* * 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.taskexecutor.rpc; import java.io.IOException; import org.apache.flink.api.common.ExecutionConfig; import org.apache.flink.api.common.functions.AggregateFunction; import org.apache.flink.api.java.ClosureCleaner; import org.apache.flink.runtime.jobmaster.JobMasterGateway; import org.apache.flink.runtime.taskexecutor.GlobalAggregateManager; import org.apache.flink.util.InstantiationUtil; public class RpcGlobalAggregateManager implements GlobalAggregateManager { private final JobMasterGateway jobMasterGateway; public RpcGlobalAggregateManager(JobMasterGateway jobMasterGateway) { this.jobMasterGateway = jobMasterGateway; } @Override public <IN, ACC, OUT> OUT updateGlobalAggregate(String aggregateName, Object aggregand, AggregateFunction<IN, ACC, OUT> aggregateFunction) throws IOException { ClosureCleaner.clean(aggregateFunction, ExecutionConfig.ClosureCleanerLevel.RECURSIVE,true); byte[] serializedAggregateFunction = InstantiationUtil.serializeObject(aggregateFunction); Object result = null; try { result = jobMasterGateway.updateGlobalAggregate(aggregateName, aggregand, serializedAggregateFunction).get(); } catch (Exception e) { throw new IOException("Error updating global aggregate.", e); } return (OUT) result; } }