/*
* 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.optimizer.plan;
import org.apache.flink.optimizer.dag.DataSinkNode;
import org.apache.flink.runtime.operators.DriverStrategy;
/**
* Plan candidate node for data flow sinks.
*/
public class SinkPlanNode extends SingleInputPlanNode {
/**
* Constructs a new sink candidate node that uses <i>NONE</i> as its local strategy. Note that
* local sorting and range partitioning are handled by the incoming channel already.
*
* @param template The template optimizer node that this candidate is created for.
*/
public SinkPlanNode(DataSinkNode template, String nodeName, Channel input) {
super(template, nodeName, input, DriverStrategy.NONE);
this.globalProps = input.getGlobalProperties().clone();
this.localProps = input.getLocalProperties().clone();
}
public DataSinkNode getSinkNode() {
if (this.template instanceof DataSinkNode) {
return (DataSinkNode) this.template;
} else {
throw new RuntimeException();
}
}
}