aboutsummaryrefslogtreecommitdiff
path: root/src/pqueue.h
diff options
context:
space:
mode:
authorMike Buland <eichlan@xagasoft.com>2006-05-01 17:11:04 +0000
committerMike Buland <eichlan@xagasoft.com>2006-05-01 17:11:04 +0000
commitf7a9549bd6ad83f2e0bceec9cddacfa5e3f84a54 (patch)
tree53cec4864776e07950e3c72f2a990a1017d08045 /src/pqueue.h
downloadlibbu++-f7a9549bd6ad83f2e0bceec9cddacfa5e3f84a54.tar.gz
libbu++-f7a9549bd6ad83f2e0bceec9cddacfa5e3f84a54.tar.bz2
libbu++-f7a9549bd6ad83f2e0bceec9cddacfa5e3f84a54.tar.xz
libbu++-f7a9549bd6ad83f2e0bceec9cddacfa5e3f84a54.zip
libbu++ is finally laid out the way it should be, trunk, branches, and tags.
Diffstat (limited to '')
-rw-r--r--src/pqueue.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/pqueue.h b/src/pqueue.h
new file mode 100644
index 0000000..1b45f75
--- /dev/null
+++ b/src/pqueue.h
@@ -0,0 +1,48 @@
1#ifndef PQUEUE_H
2#define PQUEUE_H
3
4#include "queue.h"
5
6/** Priority queue. This is just like a queue, but something with a higher
7 * priority will always come off the queue before something with a lower
8 * priority, even if it's added after. Otherwise works just like a queue.
9 *@author Mike Buland
10 */
11class PQueue
12{
13public:
14 /** Create a queue with any number of different priorities.
15 *@param nNewNumQueues The number of queues, the default is 3
16 */
17 PQueue( int nNewNumQueues=3 );
18
19 /**
20 * Cleanup all contained queues.
21 */
22 ~PQueue();
23
24 /** Add a new item to the queue at the specified priority. A lower
25 * number means a higher priority!
26 *@param pData A pointer to the data to add to the queue
27 *@param nQueueLevel The priority to set the new data to
28 */
29 void enqueue( void *pData, int nQueueLevel );
30
31 /** Pull the next item off the queue, high priority first.
32 *@returns A pointer to the data that was next in the priority queue
33 */
34 void *dequeue();
35
36private:
37 /**
38 * The queues we use for real data storage.
39 */
40 Queue *aQueue;
41
42 /**
43 * The number of priorities or queus that we need.
44 */
45 int nNumQueues;
46};
47
48#endif