| /* |
| * 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.brooklyn.core.entity.trait; |
| |
| import java.util.Collection; |
| |
| import org.apache.brooklyn.api.location.Location; |
| import org.apache.brooklyn.api.mgmt.Task; |
| import org.apache.brooklyn.core.entity.Entities; |
| import org.apache.brooklyn.core.test.entity.TestEntityImpl; |
| import org.apache.brooklyn.util.core.task.Tasks; |
| import org.apache.brooklyn.util.exceptions.Exceptions; |
| import org.testng.Assert; |
| |
| public class FailingEntityImpl extends TestEntityImpl implements FailingEntity { |
| |
| public FailingEntityImpl() { |
| } |
| |
| @Override |
| public void start(Collection<? extends Location> locs) { |
| getConfig(LISTENER).onEvent(this, "start", new Object[] {locs}); |
| if (getConfig(FAIL_ON_START) || (getConfig(FAIL_ON_START_CONDITION) != null && getConfig(FAIL_ON_START_CONDITION).apply(this))) { |
| callHistory.add("start"); |
| getConfig(EXEC_ON_FAILURE).apply(this); |
| throw fail("Simulating entity start failure for test"); |
| } |
| super.start(locs); |
| } |
| |
| @Override |
| public void stop() { |
| getConfig(LISTENER).onEvent(this, "stop", new Object[0]); |
| if (getConfig(FAIL_ON_STOP) || (getConfig(FAIL_ON_STOP_CONDITION) != null && getConfig(FAIL_ON_STOP_CONDITION).apply(this))) { |
| callHistory.add("stop"); |
| getConfig(EXEC_ON_FAILURE).apply(this); |
| throw fail("Simulating entity stop failure for test"); |
| } |
| super.stop(); |
| } |
| |
| @Override |
| public void restart() { |
| getConfig(LISTENER).onEvent(this, "restart", new Object[0]); |
| if (getConfig(FAIL_ON_RESTART) || (getConfig(FAIL_ON_RESTART_CONDITION) != null && getConfig(FAIL_ON_RESTART_CONDITION).apply(this))) { |
| callHistory.add("restart"); |
| getConfig(EXEC_ON_FAILURE).apply(this); |
| throw fail("Simulating entity restart failure for test"); |
| } |
| super.restart(); |
| } |
| |
| private RuntimeException fail(final String msg) { |
| if (getConfig(FAIL_IN_SUB_TASK)) { |
| Task<?> task = Tasks.builder().displayName(msg).body(new Runnable() { public void run() { throw newException(msg); } }).build(); |
| Entities.submit(this, task).getUnchecked(); |
| Assert.fail("Should have thrown exception on task.getUnchecked"); |
| throw new IllegalStateException("unreachable code"); |
| } else { |
| throw newException(msg); |
| } |
| } |
| |
| private RuntimeException newException(String msg) { |
| try { |
| Exception result = getConfig(EXCEPTION_CLAZZ).getConstructor(String.class).newInstance("Simulating entity stop failure for test"); |
| if (!(result instanceof RuntimeException)) { |
| return new RuntimeException("wrapping", result); |
| } else { |
| return (RuntimeException)result; |
| } |
| } catch (Exception e) { |
| throw Exceptions.propagate(e); |
| } |
| } |
| } |