org.apache.geronimo.concurrent
public class: ManagedContextHandlerChain [javadoc |
source]
java.lang.Object
org.apache.geronimo.concurrent.ManagedContextHandlerChain
All Implemented Interfaces:
ManagedContextHandler
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.
Methods from java.lang.Object: |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method from org.apache.geronimo.concurrent.ManagedContextHandlerChain Detail: |
public void addManagedContextHandler(ManagedContextHandler handler) {
this.chain.add(handler);
}
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public void removeManagedContextHandler(ManagedContextHandler handler) {
this.chain.remove(handler);
}
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public void saveContext(Map<String, Object> context) {
// call in proper order
ListIterator< ManagedContextHandler > iter = this.chain.listIterator();
while (iter.hasNext()) {
ManagedContextHandler handler = iter.next();
handler.saveContext(context);
}
}
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public void setContext(Map<String, Object> threadContext) {
// keep track of invoked handlers
List< ManagedContextHandler > invokedHandlers = new ArrayList< ManagedContextHandler >();
threadContext.put(INVOKED_HANDLERS, invokedHandlers);
// call in proper order
ListIterator< ManagedContextHandler > iter = this.chain.listIterator();
while (iter.hasNext()) {
ManagedContextHandler handler = iter.next();
try {
handler.setContext(threadContext);
} finally {
invokedHandlers.add(handler);
}
}
}
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public void unsetContext(Map<String, Object> threadContext) {
List< ManagedContextHandler > invokedHandlers =
(List< ManagedContextHandler >)threadContext.get(INVOKED_HANDLERS);
// call in reverse order
ListIterator< ManagedContextHandler > iter =
invokedHandlers.listIterator(invokedHandlers.size());
while (iter.hasPrevious()) {
ManagedContextHandler handler = iter.previous();
try {
handler.unsetContext(threadContext);
} catch (RuntimeException e) {
LOG.error("Error occurred in unsetContext function: " + e.getMessage(), e);
}
}
invokedHandlers.clear();
}
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