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/*
* 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);
}
}
}