| /* |
| * 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.annotations.audience.Interop; |
| import org.apache.reef.annotations.audience.Private; |
| import org.apache.reef.io.naming.Identifiable; |
| import org.apache.reef.runtime.common.driver.evaluator.AllocatedEvaluatorImpl; |
| import org.apache.reef.driver.evaluator.AllocatedEvaluator; |
| |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * The AllocatedEvaluatorBridge object to bridge operations between REEF .NET and Java allocated evaluator operations. |
| */ |
| @Private |
| @Interop( |
| CppFiles = { "Clr2JavaImpl.h", "AllocatedEvaluatorClr2Java.cpp" }, |
| CsFiles = { "IAllocatedEvaluatorClr2Java.cs", "AllocatedEvaluator.cs" }) |
| public final class AllocatedEvaluatorBridge extends NativeBridge implements Identifiable { |
| |
| private static final Logger LOG = Logger.getLogger(AllocatedEvaluatorBridge.class.getName()); |
| |
| private final AllocatedEvaluator jallocatedEvaluator; |
| private final String evaluatorId; |
| private final String nameServerInfo; |
| |
| /** |
| * This constructor should only be called by the AllocatedEvaluatorBridgeFactory. |
| */ |
| AllocatedEvaluatorBridge(final AllocatedEvaluator allocatedEvaluator, |
| final String serverInfo) { |
| this.jallocatedEvaluator = allocatedEvaluator; |
| this.evaluatorId = allocatedEvaluator.getId(); |
| this.nameServerInfo = serverInfo; |
| } |
| |
| /** |
| * Bridge function for REEF .NET to submit context and task configurations for the allocated evaluator. |
| * @param evaluatorConfigurationString the evaluator configuration from .NET. |
| * @param contextConfigurationString the context configuration from .NET. |
| * @param taskConfigurationString the task configuration from .NET. |
| */ |
| public void submitContextAndTaskString(final String evaluatorConfigurationString, |
| final String contextConfigurationString, |
| final String taskConfigurationString) { |
| if (evaluatorConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty evaluatorConfigurationString provided."); |
| } |
| if (contextConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty contextConfigurationString provided."); |
| } |
| if (taskConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty taskConfigurationString provided."); |
| } |
| //When submit over the bridge, we would keep the task configurations as a serialized strings. |
| //submitContextAndTask(final String contextConfiguration, |
| //final String taskConfiguration) is not exposed in the interface. Therefore cast is necessary. |
| ((AllocatedEvaluatorImpl)jallocatedEvaluator) |
| .submitContextAndTask(evaluatorConfigurationString, contextConfigurationString, taskConfigurationString); |
| } |
| |
| /** |
| * Bridge function for REEF .NET to submit context configuration for the allocated evaluator. |
| * @param evaluatorConfigurationString the evaluator configuration from .NET. |
| * @param contextConfigurationString the context configuration from .NET. |
| */ |
| public void submitContextString(final String evaluatorConfigurationString, |
| final String contextConfigurationString) { |
| if (evaluatorConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty evaluatorConfigurationString provided."); |
| } |
| if (contextConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty contextConfigurationString provided."); |
| } |
| |
| //When submit over the bridge, we would keep the contextConfigurationString as serialized strings. |
| //public void submitContext(final String contextConfiguration) |
| // is not exposed in the interface. Therefore cast is necessary. |
| ((AllocatedEvaluatorImpl)jallocatedEvaluator).submitContext( |
| evaluatorConfigurationString, contextConfigurationString); |
| } |
| |
| /** |
| * Bridge function for REEF .NET to submit context and service configurations for the allocated evaluator. |
| * @param evaluatorConfigurationString the evaluator configuration from .NET. |
| * @param contextConfigurationString the context configuration from .NET. |
| * @param serviceConfigurationString the service configuration from .NET. |
| */ |
| public void submitContextAndServiceString(final String evaluatorConfigurationString, |
| final String contextConfigurationString, |
| final String serviceConfigurationString) { |
| if (evaluatorConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty evaluatorConfigurationString provided."); |
| } |
| if (contextConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty contextConfigurationString provided."); |
| } |
| if (serviceConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty serviceConfigurationString provided."); |
| } |
| |
| //When submit over the bridge, we would keep the configurations as serialized strings. |
| //public void submitContextAndService(final String contextConfiguration, |
| //final String serviceConfiguration) is not exposed in the interface. Therefore cast is necessary. |
| ((AllocatedEvaluatorImpl)jallocatedEvaluator) |
| .submitContextAndService(evaluatorConfigurationString, contextConfigurationString, serviceConfigurationString); |
| } |
| |
| /** |
| * Bridge function for REEF .NET to submit context, service. and task configurations for the allocated evaluator. |
| * @param evaluatorConfigurationString the evaluator configuration from .NET. |
| * @param contextConfigurationString the context configuration from .NET. |
| * @param serviceConfigurationString the service configuration from .NET. |
| * @param taskConfigurationString the task configuration from .NET. |
| */ |
| public void submitContextAndServiceAndTaskString( |
| final String evaluatorConfigurationString, |
| final String contextConfigurationString, |
| final String serviceConfigurationString, |
| final String taskConfigurationString) { |
| if (evaluatorConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty evaluatorConfigurationString provided."); |
| } |
| if (contextConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty contextConfigurationString provided."); |
| } |
| if (serviceConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty serviceConfigurationString provided."); |
| } |
| if (taskConfigurationString.isEmpty()) { |
| throw new RuntimeException("empty taskConfigurationString provided."); |
| } |
| |
| //When submit over the bridge, we would keep the task configuration as a serialized string. |
| //submitContextAndServiceAndTask(final Configuration contextConfiguration, final Configuration serviceConfiguration, |
| //final String taskConfiguration) is not exposed in the interface. Therefore cast is necessary. |
| ((AllocatedEvaluatorImpl)jallocatedEvaluator).submitContextAndServiceAndTask( |
| evaluatorConfigurationString, contextConfigurationString, serviceConfigurationString, taskConfigurationString); |
| } |
| |
| /** |
| * Gets the serialized evaluator descriptor from the Java allocated evaluator. |
| * @return the serialized evaluator descriptor. |
| */ |
| public String getEvaluatorDescriptorString() { |
| final String descriptorString = |
| Utilities.getEvaluatorDescriptorString(jallocatedEvaluator.getEvaluatorDescriptor()); |
| LOG.log(Level.INFO, "allocated evaluator - serialized evaluator descriptor: " + descriptorString); |
| return descriptorString; |
| } |
| |
| /** |
| * @return the nameServerInfo string. |
| */ |
| public String getNameServerInfo() { |
| return nameServerInfo; |
| } |
| |
| /** |
| * @return the evaluator id. |
| */ |
| @Override |
| public String getId() { |
| return evaluatorId; |
| } |
| |
| /** |
| * Closes the Java AllocatedEvaluator. |
| */ |
| @Override |
| public void close() { |
| jallocatedEvaluator.close(); |
| } |
| } |