org.fabric3.spi.container.invocation.WorkContextCache Maven / Gradle / Ivy
/*
* 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.spi.container.invocation;
/**
* Cache of {@link WorkContext}s associated with runtime threads.
*
* On runtimes with managed thread pools, the cache uses {@link Fabric3Thread} to store the context; on other runtimes a thread local is used.
*/
public final class WorkContextCache {
private static final ThreadLocal CONTEXT = new ThreadLocal<>();
private WorkContextCache() {
}
/**
* Returns the WorkContext for the current thread.
*
* @return the WorkContext for the current thread
*/
public static WorkContext getThreadWorkContext() {
Thread thread = Thread.currentThread();
if (thread instanceof Fabric3Thread) {
Fabric3Thread fabric3Thread = (Fabric3Thread) thread;
WorkContext workContext = fabric3Thread.getWorkContext();
if (workContext == null) {
workContext = new WorkContext();
fabric3Thread.setWorkContext(workContext);
}
return workContext;
} else {
WorkContext workContext = CONTEXT.get();
if (workContext == null) {
workContext = new WorkContext();
CONTEXT.set(workContext);
}
return workContext;
}
}
/**
* Resets and returns the WorkContext for the current thread.
*
* @return the WorkContext for the current thread
*/
public static WorkContext getAndResetThreadWorkContext() {
WorkContext workContext = getThreadWorkContext();
workContext.reset();
return workContext;
}
}
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