| /* |
| * 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.poison; |
| |
| import org.apache.reef.driver.task.TaskConfigurationOptions; |
| import org.apache.reef.evaluator.context.parameters.ContextStartHandlers; |
| import org.apache.reef.poison.context.PoisonedContextStartHandler; |
| import org.apache.reef.poison.params.CrashProbability; |
| import org.apache.reef.poison.params.CrashTimeout; |
| import org.apache.reef.poison.task.PoisonedTaskStartHandler; |
| import org.apache.reef.tang.formats.ConfigurationModule; |
| import org.apache.reef.tang.formats.ConfigurationModuleBuilder; |
| import org.apache.reef.tang.formats.OptionalParameter; |
| |
| /** |
| * Configure a Context with a lethal injection. |
| */ |
| public final class PoisonedConfiguration extends ConfigurationModuleBuilder { |
| |
| /** |
| * The time window in seconds beginning at ContextStart during which the crash is to occur. |
| */ |
| public static final OptionalParameter<Integer> CRASH_TIMEOUT = new OptionalParameter<>(); |
| |
| /** |
| * The probability with which a crash is to occur. |
| */ |
| public static final OptionalParameter<Double> CRASH_PROBABILITY = new OptionalParameter<>(); |
| |
| public static final ConfigurationModule CONTEXT_CONF = new PoisonedConfiguration() |
| .bindNamedParameter(CrashTimeout.class, CRASH_TIMEOUT) |
| .bindNamedParameter(CrashProbability.class, CRASH_PROBABILITY) |
| .bindSetEntry(ContextStartHandlers.class, PoisonedContextStartHandler.class) |
| .build(); |
| |
| public static final ConfigurationModule TASK_CONF = new PoisonedConfiguration() |
| .bindNamedParameter(CrashTimeout.class, CRASH_TIMEOUT) |
| .bindNamedParameter(CrashProbability.class, CRASH_PROBABILITY) |
| .bindSetEntry(TaskConfigurationOptions.StartHandlers.class, PoisonedTaskStartHandler.class) |
| .build(); |
| } |