| /* |
| * 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 java.util.HashMap; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.zeppelin.interpreter.InterpreterContextRunner; |
| import org.apache.zeppelin.interpreter.InterpreterException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * |
| */ |
| public class InterpreterContextRunnerPool { |
| Logger logger = LoggerFactory.getLogger(InterpreterContextRunnerPool.class); |
| private Map<String, List<InterpreterContextRunner>> interpreterContextRunners; |
| |
| public InterpreterContextRunnerPool() { |
| interpreterContextRunners = new HashMap<>(); |
| |
| } |
| |
| // add runner |
| public void add(String noteId, InterpreterContextRunner runner) { |
| synchronized (interpreterContextRunners) { |
| if (!interpreterContextRunners.containsKey(noteId)) { |
| interpreterContextRunners.put(noteId, new LinkedList<InterpreterContextRunner>()); |
| } |
| |
| interpreterContextRunners.get(noteId).add(runner); |
| } |
| } |
| |
| // replace all runners to noteId |
| public void addAll(String noteId, List<InterpreterContextRunner> runners) { |
| synchronized (interpreterContextRunners) { |
| if (!interpreterContextRunners.containsKey(noteId)) { |
| interpreterContextRunners.put(noteId, new LinkedList<InterpreterContextRunner>()); |
| } |
| |
| interpreterContextRunners.get(noteId).addAll(runners); |
| } |
| } |
| |
| public void clear(String noteId) { |
| synchronized (interpreterContextRunners) { |
| interpreterContextRunners.remove(noteId); |
| } |
| } |
| |
| |
| public void run(String noteId, String paragraphId) { |
| synchronized (interpreterContextRunners) { |
| List<InterpreterContextRunner> list = interpreterContextRunners.get(noteId); |
| if (list != null) { |
| for (InterpreterContextRunner r : list) { |
| if (noteId.equals(r.getNoteId()) && paragraphId.equals(r.getParagraphId())) { |
| logger.info("run paragraph {} on note {} from InterpreterContext", |
| r.getParagraphId(), r.getNoteId()); |
| r.run(); |
| return; |
| } |
| } |
| } |
| |
| throw new InterpreterException("Can not run paragraph " + paragraphId + " on " + noteId); |
| } |
| } |
| } |