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SessionContextImpl.java

Timestamp:

07/05/08 22:16:05 (5 months ago)

Author:

jmoore

Message:

ticket:1018 - Changed reference counting logic

Files:

r2592	r2594
11	11	import java.util.Collections;
12	12	import java.util.List;
13		~~import java.util.concurrent.atomic.AtomicInteger;~~
14	13
15	14	import ome.model.meta.Session;
…	…
17	16	public class SessionContextImpl implements SessionContext {
18	17
19		private final AtomicInteger refCount = new AtomicInteger(0);
	18	private int ref = 0;
	19	private final Object refLock = new Object();
20	20	private final Session session;
21	21	private final List<Long> leaderOfGroups;
…	…
34	34
35	35	public int refCount() {
36		return refCount.get();
	36	synchronized (refLock) {
	37	return ref;
	38	}
37	39	}
38	40
39	41	public int increment() {
40		return refCount.incrementAndGet();
	42	synchronized (refLock) {
	43	if (ref < 0) {
	44	ref = 1;
	45	} else {
	46	ref = ref + 1;
	47	}
	48	return ref;
	49	}
41	50	}
42	51
43	52	public int decrement() {
44		return refCount.decrementAndGet();
	53	synchronized (refLock) {
	54	if (ref < 1) {
	55	ref = 0;
	56	} else {
	57	ref = ref - 1;
	58	}
	59	return ref;
	60	}
45	61	}
46	62