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Bridge between JVM and CLR.
There is a newer version: 0.16.0
/*
 * 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.reef.driver.task.FailedTask;

import java.nio.charset.StandardCharsets;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * The Java-CLR bridge object for {@link org.apache.reef.driver.task.FailedTask}.
 */
public final class FailedTaskBridge extends NativeBridge {
  private static final Logger LOG = Logger.getLogger(FailedTaskBridge.class.getName());

  private FailedTask jfailedTask;
  private ActiveContextBridge jactiveContext;

  public FailedTaskBridge(final FailedTask failedTask, final ActiveContextBridgeFactory factory) {
    this.jfailedTask = failedTask;
    if (failedTask.getActiveContext().isPresent()) {
      this.jactiveContext = factory.getActiveContextBridge(failedTask.getActiveContext().get());
    } else {
      this.jactiveContext = null;
    }
  }

  public String getFailedTaskString() {
    final String description = jfailedTask.getDescription().isPresent() ?
        jfailedTask.getDescription().get().replace("=", "").replace(",", "") : "";
    final String cause = jfailedTask.getReason().isPresent() ?
        jfailedTask.getReason().get().toString().replace("=", "").replace(",", "") : "";
    final String data = jfailedTask.getData().isPresent() ?
        new String(jfailedTask.getData().get(), StandardCharsets.UTF_8).replace("=", "").replace(",", "") : "";

    // TODO[JIRA REEF-796]: deserialize/serialize with proper Avro schema
    final String poorSerializedString = "Identifier=" + jfailedTask.getId().replace("=", "").replace(",", "")
        + ", Message=" + jfailedTask.getMessage().replace("=", "").replace(",", "")
        + ", Description=" + description
        + ", Cause=" + cause
        + ", Data=" + data;

    LOG.log(Level.INFO, "serialized failed task " + poorSerializedString);
    return poorSerializedString;
  }

  @Override
  public void close() {
  }
}