package com.thinkbiganalytics.spark.shell;
/*-
* #%L
* Spark Shell Service API
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
import javax.annotation.Nonnull;
/**
* A Spark Shell client running in a separate JVM.
*/
public interface SparkShellProcess {
/**
* Gets the hostname for communicating with this Spark Shell client.
*
* @return the hostname
* @throws IllegalStateException if the Spark Shell client is not ready to receive commands
*/
@Nonnull
String getHostname();
/**
* Gets the port number fo communicating with this Spark Shell client.
*
* @return the port number
* @throws IllegalStateException if the Spark Shell client is not ready to receive commands
*/
int getPort();
}