/*
* 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.compiler.plan;
import java.util.List;
import org.apache.flink.compiler.CompilerException;
import org.apache.flink.compiler.costs.Costs;
import org.apache.flink.compiler.dag.SinkJoiner;
import org.apache.flink.runtime.operators.DriverStrategy;
/**
*
*/
public class SinkJoinerPlanNode extends DualInputPlanNode {
public SinkJoinerPlanNode(SinkJoiner template, Channel input1, Channel input2) {
super(template, "", input1, input2, DriverStrategy.BINARY_NO_OP);
}
// --------------------------------------------------------------------------------------------
public void setCosts(Costs nodeCosts) {
// the plan enumeration logic works as for regular two-input-operators, which is important
// because of the branch handling logic. it does pick redistributing network channels
// between the sink and the sink joiner, because sinks joiner has a different DOP than the sink.
// we discard any cost and simply use the sum of the costs from the two children.
Costs totalCosts = getInput1().getSource().getCumulativeCosts().clone();
totalCosts.addCosts(getInput2().getSource().getCumulativeCosts());
super.setCosts(totalCosts);
}
// --------------------------------------------------------------------------------------------
public void getDataSinks(List<SinkPlanNode> sinks) {
final PlanNode in1 = this.input1.getSource();
final PlanNode in2 = this.input2.getSource();
if (in1 instanceof SinkPlanNode) {
sinks.add((SinkPlanNode) in1);
} else if (in1 instanceof SinkJoinerPlanNode) {
((SinkJoinerPlanNode) in1).getDataSinks(sinks);
} else {
throw new CompilerException("Illegal child node for a sink joiner utility node: Neither Sink nor Sink Joiner");
}
if (in2 instanceof SinkPlanNode) {
sinks.add((SinkPlanNode) in2);
} else if (in2 instanceof SinkJoinerPlanNode) {
((SinkJoinerPlanNode) in2).getDataSinks(sinks);
} else {
throw new CompilerException("Illegal child node for a sink joiner utility node: Neither Sink nor Sink Joiner");
}
}
}