org.fabric3.implementation.timer.runtime.NonTransactionalTimerInvoker Maven / Gradle / Ivy
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/*
* Fabric3
* Copyright (c) 2009-2015 Metaform Systems
*
* Licensed 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.
* Portions originally based on Apache Tuscany 2007
* licensed under the Apache 2.0 license.
*/
package org.fabric3.implementation.timer.runtime;
import org.fabric3.api.host.Fabric3Exception;
import org.fabric3.spi.container.invocation.WorkContext;
import org.fabric3.spi.container.invocation.WorkContextCache;
import org.fabric3.spi.container.wire.InvocationRuntimeException;
/**
* Invokes a timer component instance when a trigger has fired.
*/
public class NonTransactionalTimerInvoker implements Runnable {
private TimerComponent component;
private InvokerMonitor monitor;
public NonTransactionalTimerInvoker(TimerComponent component, InvokerMonitor monitor) {
this.component = component;
this.monitor = monitor;
}
public void run() {
// create a new work context
WorkContext workContext = WorkContextCache.getAndResetThreadWorkContext();
Object instance;
try {
instance = component.getInstance();
} catch (Fabric3Exception e) {
monitor.initError(e);
throw new InvocationRuntimeException(e);
}
ClassLoader old = Thread.currentThread().getContextClassLoader();
try {
Thread.currentThread().setContextClassLoader(instance.getClass().getClassLoader());
try {
((Runnable) instance).run();
} catch (RuntimeException e) {
monitor.executeError(e);
throw e;
}
} finally {
try {
component.releaseInstance(instance);
} catch (Fabric3Exception e) {
monitor.disposeError(e);
//noinspection ThrowFromFinallyBlock
throw new InvocationRuntimeException(e);
}
Thread.currentThread().setContextClassLoader(old);
workContext.reset();
}
}
}
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