org.apache.flink.optimizer.dag.ReduceNode Java Examples

The following examples show how to use org.apache.flink.optimizer.dag.ReduceNode. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: AllReduceProperties.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_REDUCE);
	} else {
		// non forward case.plug in a combiner
		Channel toCombiner = new Channel(in.getSource());
		toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		
		// create an input node for combine with same parallelism as input node
		ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
				"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());
		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_REDUCE);
	}
}
Example #2
Source File: AllReduceProperties.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_REDUCE);
	} else {
		// non forward case.plug in a combiner
		Channel toCombiner = new Channel(in.getSource());
		toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		
		// create an input node for combine with same parallelism as input node
		ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
				"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());
		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_REDUCE);
	}
}
Example #3
Source File: AllReduceProperties.java    From flink with Apache License 2.0 5 votes vote down vote up 
@Override
public SingleInputPlanNode instantiate(Channel in, SingleInputNode node) {
	if (in.getShipStrategy() == ShipStrategyType.FORWARD) {
		// locally connected, directly instantiate
		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										in, DriverStrategy.ALL_REDUCE);
	} else {
		// non forward case.plug in a combiner
		Channel toCombiner = new Channel(in.getSource());
		toCombiner.setShipStrategy(ShipStrategyType.FORWARD, DataExchangeMode.PIPELINED);
		
		// create an input node for combine with same parallelism as input node
		ReduceNode combinerNode = ((ReduceNode) node).getCombinerUtilityNode();
		combinerNode.setParallelism(in.getSource().getParallelism());

		SingleInputPlanNode combiner = new SingleInputPlanNode(combinerNode,
				"Combine ("+node.getOperator().getName()+")", toCombiner, DriverStrategy.ALL_REDUCE);
		combiner.setCosts(new Costs(0, 0));
		combiner.initProperties(toCombiner.getGlobalProperties(), toCombiner.getLocalProperties());
		
		Channel toReducer = new Channel(combiner);
		toReducer.setShipStrategy(in.getShipStrategy(), in.getShipStrategyKeys(),
									in.getShipStrategySortOrder(), in.getDataExchangeMode());
		toReducer.setLocalStrategy(in.getLocalStrategy(), in.getLocalStrategyKeys(),
									in.getLocalStrategySortOrder());

		return new SingleInputPlanNode(node, "Reduce ("+node.getOperator().getName()+")",
										toReducer, DriverStrategy.ALL_REDUCE);
	}
}