/**
* 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.drill.exec.physical.base;
import java.util.List;
import org.apache.drill.exec.physical.MinorFragmentEndpoint;
import com.fasterxml.jackson.annotation.JsonProperty;
/**
* A sender is one half of an exchange node operations. It is responsible for subdividing/cloning and sending a local
* record set to a set of destination locations. This is typically only utilized at the level of the execution plan.
*/
public interface Sender extends FragmentRoot {
/**
* Get the list of destination endpoints that this Sender will be communicating with.
* @return List of receiver MinorFragmentEndpoints each containing receiver fragment MinorFragmentId and endpoint
* where it is running.
*/
public abstract List<MinorFragmentEndpoint> getDestinations();
/**
* Get the receiver major fragment id that is opposite this sender.
* @return
*/
@JsonProperty("receiver-major-fragment")
public int getOppositeMajorFragmentId();
}