/*
* Licensed 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.hadoop.hive.llap.registry;
import java.util.Map;
import org.apache.hadoop.yarn.api.records.Resource;
public interface ServiceInstance {
/**
* Worker identity is a UUID (unique across restarts), to identify a node which died & was brought
* back on the same host/port
*/
public String getWorkerIdentity();
/**
* Hostname of the service instance
*
* @return
*/
public String getHost();
/**
* RPC Endpoint for service instance
*
* @return
*/
public int getRpcPort();
/**
* Management endpoint for service instance
*
* @return
*/
public int getManagementPort();
/**
* Shuffle Endpoint for service instance
*
* @return
*/
public int getShufflePort();
/**
* Address for services hosted on http
* @return
*/
public String getServicesAddress();
/**
* OutputFormat endpoint for service instance
*
* @return
*/
public int getOutputFormatPort();
/**
* Config properties of the Service Instance (llap.daemon.*)
*
* @return
*/
public Map<String, String> getProperties();
/**
* Memory and Executors available for the LLAP tasks
*
* This does not include the size of the cache or the actual vCores allocated via Slider.
*
* @return
*/
public Resource getResource();
}