| /* |
| * 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.reef.javabridge; |
| |
| import org.apache.commons.lang3.exception.ExceptionUtils; |
| import org.apache.reef.annotations.audience.Interop; |
| import org.apache.reef.annotations.audience.Private; |
| import org.apache.reef.driver.evaluator.EvaluatorRequestor; |
| import org.apache.reef.driver.evaluator.FailedEvaluator; |
| import org.apache.reef.exception.NonSerializableException; |
| import org.apache.reef.io.naming.Identifiable; |
| import org.apache.reef.util.logging.LoggingScopeFactory; |
| |
| import java.util.Set; |
| import java.util.logging.Logger; |
| |
| /** |
| * The Java-CLR bridge object for {@link org.apache.reef.driver.evaluator.FailedEvaluator}. |
| */ |
| @Private |
| @Interop(CppFiles = { "FailedEvaluatorClr2Java.cpp" }, CsFiles = { "IFailedEvaluatorClr2Java", "FailedEvaluator" }) |
| public final class FailedEvaluatorBridge extends NativeBridge implements Identifiable { |
| private static final Logger LOG = Logger.getLogger(FailedEvaluatorBridge.class.getName()); |
| private final FailedEvaluator jfailedEvaluator; |
| private final EvaluatorRequestorBridge evaluatorRequestorBridge; |
| private final String evaluatorId; |
| private final ActiveContextBridgeFactory activeContextBridgeFactory; |
| |
| public FailedEvaluatorBridge(final FailedEvaluator failedEvaluator, |
| final EvaluatorRequestor evaluatorRequestor, |
| final boolean blockedForAdditionalEvaluator, |
| final LoggingScopeFactory loggingScopeFactory, |
| final ActiveContextBridgeFactory activeContextBridgeFactory, |
| final Set<String> definedRuntimes) { |
| this.jfailedEvaluator = failedEvaluator; |
| this.evaluatorId = failedEvaluator.getId(); |
| this.evaluatorRequestorBridge = |
| new EvaluatorRequestorBridge(evaluatorRequestor, blockedForAdditionalEvaluator, loggingScopeFactory, |
| definedRuntimes); |
| this.activeContextBridgeFactory = activeContextBridgeFactory; |
| } |
| |
| /** |
| * @return the Evaluator number. |
| */ |
| public int getNewlyRequestedEvaluatorNumber() { |
| return evaluatorRequestorBridge.getEvaluatorNumber(); |
| } |
| |
| /** |
| * @return the Evaluator requestor. |
| */ |
| public EvaluatorRequestorBridge getEvaluatorRequestorBridge() { |
| return evaluatorRequestorBridge; |
| } |
| |
| /** |
| * @return the non-serializable error in bytes, may translate into a serialized C# Exception. |
| */ |
| public byte[] getErrorBytes() { |
| if (jfailedEvaluator.getEvaluatorException() != null && |
| jfailedEvaluator.getEvaluatorException().getCause() instanceof NonSerializableException) { |
| return ((NonSerializableException)jfailedEvaluator.getEvaluatorException().getCause()).getError(); |
| } |
| |
| // If not an instance of NonSerializableException, that means that the Exception is from Java. |
| return null; |
| } |
| |
| /** |
| * @return the localized message of the Evaluator Exception. |
| */ |
| public String getCause() { |
| if (jfailedEvaluator.getEvaluatorException() != null) { |
| return jfailedEvaluator.getEvaluatorException().getLocalizedMessage(); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * @return the stack trace of the Evaluator Exception. |
| */ |
| public String getStackTrace() { |
| if (jfailedEvaluator.getEvaluatorException() != null) { |
| return ExceptionUtils.getStackTrace(jfailedEvaluator.getEvaluatorException()); |
| } |
| |
| return null; |
| } |
| |
| /** |
| * @return the list of failed Contexts associated with the Evaluator. |
| */ |
| public FailedContextBridge[] getFailedContexts() { |
| if (jfailedEvaluator.getFailedContextList() == null) { |
| return new FailedContextBridge[0]; |
| } |
| |
| final FailedContextBridge[] failedContextBridges = |
| new FailedContextBridge[jfailedEvaluator.getFailedContextList().size()]; |
| |
| for (int i = 0; i < jfailedEvaluator.getFailedContextList().size(); i++) { |
| failedContextBridges[i] = new FailedContextBridge( |
| jfailedEvaluator.getFailedContextList().get(i), activeContextBridgeFactory); |
| } |
| |
| return failedContextBridges; |
| } |
| |
| /** |
| * @return the failed task running on the Evaluator, if any. |
| */ |
| public FailedTaskBridge getFailedTask() { |
| if (!jfailedEvaluator.getFailedTask().isPresent()) { |
| return null; |
| } |
| |
| return new FailedTaskBridge(jfailedEvaluator.getFailedTask().get(), activeContextBridgeFactory); |
| } |
| |
| @Override |
| public void close() { |
| } |
| |
| @Override |
| public String getId() { |
| return evaluatorId; |
| } |
| } |
| |