/* * 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.zeppelin.interpreter.remote; import org.apache.zeppelin.helium.ApplicationEventListener; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * This class connects to existing process */ public class RemoteInterpreterRunningProcess extends RemoteInterpreterProcess { private final Logger logger = LoggerFactory.getLogger(RemoteInterpreterRunningProcess.class); private final String host; private final int port; public RemoteInterpreterRunningProcess( int connectTimeout, RemoteInterpreterProcessListener listener, ApplicationEventListener appListener, String host, int port ) { super(connectTimeout, listener, appListener); this.host = host; this.port = port; } @Override public String getHost() { return host; } @Override public int getPort() { return port; } @Override public void start(String userName, Boolean isUserImpersonate) { // assume process is externally managed. nothing to do } @Override public void stop() { // assume process is externally managed. nothing to do } @Override public boolean isRunning() { return RemoteInterpreterUtils.checkIfRemoteEndpointAccessible(getHost(), getPort()); } }