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java.lang.Object edu.mit.csail.aeolus.api.AeolusShared edu.mit.csail.aeolus.api.AeolusQueue<T>
T
- public final class AeolusQueue<T extends java.io.Serializable>
This behaves like the AeolusBox class but is a queue of objects instead.
Field Summary |
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Fields inherited from class edu.mit.csail.aeolus.api.AeolusShared |
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sharedLastEid |
Constructor Summary | |
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AeolusQueue()
Construct an empty AeolusQueue with the current thread's labels. |
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AeolusQueue(AeolusLabel sLabel,
AeolusLabel iLabel)
Construct an empty AeolusQueue with the specified labels. |
Method Summary | |
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T |
dequeue()
This method returns the object at the head of the queue. |
T |
dequeueNoWait()
This call will wait for the lock on the queue before trying to remove a potentially empty head (it will not block if the queue is empty, though). |
void |
enqueue(T obj)
Adds a copy of obj to the shared queue. |
Methods inherited from class edu.mit.csail.aeolus.api.AeolusShared |
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getIntegrityLabel, getSecrecyLabel |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public AeolusQueue()
public AeolusQueue(AeolusLabel sLabel, AeolusLabel iLabel) throws InfoFlowControlException
InfoFlowControlException
- if thread's labels are more constraining than those provided.Method Detail |
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public T dequeue() throws InfoFlowControlException
InfoFlowControlException
- if thread's labels are not equal to the queue's labels.public T dequeueNoWait() throws InfoFlowControlException
InfoFlowControlException
- if thread's labels are not equal to the queue's labels.public void enqueue(T obj) throws InfoFlowControlException, java.lang.NullPointerException
java.lang.NullPointerException
- - if obj is null
InfoFlowControlException
- if queue's labels are more constrained that the thread's.
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