The jdceMessageQueue is implemented as a Linked List for faster operations of addition/removal of messages.
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The message queue provides for reporting availability of data on the queuebesides providing for returning the queue Contents as a stream of bytes or an array of Strings.
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The queue has a in-lined class the QueueEnumerator which provides an Enumeration of the QueueContents.
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The queueWidget has pointers to the preceeding Element and the elements successor.
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class QueueWidget {
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Object object;
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QueueWidget prev;
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QueueWidget next;
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QueueWidget(Object object,
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QueueWidget queueWidget1, QueueWidget queueWidget2) {
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this.object = object;
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prev = queueWidget1;
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next = queueWidget2;
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}
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}
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Besides the operations mentioned above, the queue provides for handling priority messages expressed by the addItemToTop() method.
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