org.apache.flink.runtime.taskexecutor.rpc.RpcGlobalAggregateManager Maven / Gradle / Ivy
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* 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
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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 OUT updateGlobalAggregate(String aggregateName, Object aggregand, AggregateFunction 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;
}
}