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root/jsr166/jsr166/src/jsr166e/LongAdderTable.java

Comparing jsr166/src/jsr166e/LongAdderTable.java (file contents):
Revision 1.4 by jsr166, Tue Aug 30 07:16:56 2011 UTC vs.
Revision 1.7 by dl, Sun Oct 2 22:01:06 2011 UTC

#	Line 20 | Line 20 | import java.io.Serializable;
20		* <p><em>jsr166e note: This class is targeted to be placed in
21		* java.util.concurrent.atomic<em>
22		*
23	+	* @since 1.8
24		* @author Doug Lea
25		*/
26		public class LongAdderTable<K> implements Serializable {
#	Line 52 | Line 53 | public class LongAdderTable<K> implement
53		* @return the adder associated with the key
54		*/
55		public LongAdder install(K key) {
56	<	LongAdder a = map.get(key);
56	<	if (a == null) {
57	<	LongAdder r = new LongAdder();
58	<	if ((a = map.putIfAbsent(key, r)) == null)
59	<	a = r;
60	<	}
61	<	return a;
56	>	return map.computeIfAbsent(key, createAdder);
57		}
58
59		/**
#	Line 70 | Line 65 | public class LongAdderTable<K> implement
65		* @param x the value to add
66		*/
67		public void add(K key, long x) {
68	<	LongAdder a = map.get(key);
74	<	if (a == null)
75	<	a = map.computeIfAbsent(key, createAdder);
76	<	a.add(x);
68	>	map.computeIfAbsent(key, createAdder).add(x);
69		}
70
71		/**
#	Line 135 | Line 127 | public class LongAdderTable<K> implement
127		/**
128		* Returns the sum totalled across all keys.
129		*
130	<	* @return the sum totalled across all keys.
130	>	* @return the sum totalled across all keys
131		*/
132		public long sumAll() {
133		long sum = 0L;
#	Line 155 | Line 147 | public class LongAdderTable<K> implement
147		/**
148		* Totals, then resets, the sums associated with all keys.
149		*
150	<	* @return the sum totalled across all keys.
150	>	* @return the sum totalled across all keys
151		*/
152		public long sumThenResetAll() {
153		long sum = 0L;

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