/*
* 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.jobgraph;
import org.apache.flink.runtime.executiongraph.ExecutionVertex;
/**
* A distribution pattern determines, which sub tasks of a producing task are connected to which
* consuming sub tasks.
*/
public enum DistributionPattern {
/**
* Each producing sub task is connected to each sub task of the consuming task.
* <p>
* {@link ExecutionVertex#connectAllToAll(org.apache.flink.runtime.executiongraph.IntermediateResultPartition[], int)}
*/
ALL_TO_ALL,
/**
* Each producing sub task is connected to one or more subtask(s) of the consuming task.
* <p>
* {@link ExecutionVertex#connectPointwise(org.apache.flink.runtime.executiongraph.IntermediateResultPartition[], int)}
*/
POINTWISE
}