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root/jsr166/jsr166/src/extra166y/CommonOps.java

Comparing jsr166/src/extra166y/CommonOps.java (file contents):
Revision 1.2 by dl, Mon Jan 12 17:16:36 2009 UTC vs.
Revision 1.5 by jsr166, Mon Dec 5 04:08:47 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7		package extra166y;
#	Line 35 | Line 35 | public class CommonOps {
35		return new Reducer<T>() {
36		public T op(T a, T b) {
37		return (a != null &&
38	<	(b == null || a.compareTo(b) >= 0))? a : b;
38	>	(b == null || a.compareTo(b) >= 0)) ? a : b;
39		}
40		};
41		}
#	Line 49 | Line 49 | public class CommonOps {
49		return new Reducer<T>() {
50		public T op(T a, T b) {
51		return (a != null &&
52	<	(b == null || a.compareTo(b) <= 0))? a : b;
52	>	(b == null || a.compareTo(b) <= 0)) ? a : b;
53		}
54		};
55		}
#	Line 64 | Line 64 | public class CommonOps {
64		return new Reducer<T>() {
65		public T op(T a, T b) {
66		return (a != null &&
67	<	(b == null || comparator.compare(a, b) >= 0))? a : b;
67	>	(b == null || comparator.compare(a, b) >= 0)) ? a : b;
68		}
69		};
70		}
#	Line 79 | Line 79 | public class CommonOps {
79		return new Reducer<T>() {
80		public T op(T a, T b) {
81		return (a != null &&
82	<	(b == null || comparator.compare(a, b) <= 0))? a : b;
82	>	(b == null || comparator.compare(a, b) <= 0)) ? a : b;
83		}
84		};
85		}
#	Line 112 | Line 112 | public class CommonOps {
112		public Object op(Object a, Object b) {
113		return (a != null &&
114		(b == null ||
115	<	((Comparable)a).compareTo((Comparable)b) >= 0))? a : b;
115	>	((Comparable)a).compareTo((Comparable)b) >= 0)) ? a : b;
116		}
117		}
118
#	Line 130 | Line 130 | public class CommonOps {
130		public Object op(Object a, Object b) {
131		return (a != null &&
132		(b == null ||
133	<	((Comparable)a).compareTo((Comparable)b) <= 0))? a : b;
133	>	((Comparable)a).compareTo((Comparable)b) <= 0)) ? a : b;
134		}
135		}
136
#	Line 187 | Line 187 | public class CommonOps {
187		(final DoubleComparator comparator) {
188		return new DoubleReducer() {
189		public double op(double a, double b) {
190	<	return (comparator.compare(a, b) >= 0)? a : b;
190	>	return (comparator.compare(a, b) >= 0) ? a : b;
191		}
192		};
193		}
#	Line 200 | Line 200 | public class CommonOps {
200		(final DoubleComparator comparator) {
201		return new DoubleReducer() {
202		public double op(double a, double b) {
203	<	return (comparator.compare(a, b) <= 0)? a : b;
203	>	return (comparator.compare(a, b) <= 0) ? a : b;
204		}
205		};
206		}
#	Line 216 | Line 216 | public class CommonOps {
216		static final NaturalLongComparator comparator = new
217		NaturalLongComparator();
218		public int compare(long a, long b) {
219	<	return a < b? -1 : ((a > b)? 1 : 0);
219	>	return (a < b) ? -1 : ((a > b) ? 1 : 0);
220		}
221		}
222
#	Line 232 | Line 232 | public class CommonOps {
232		implements LongReducer {
233		public static final NaturalLongMaxReducer max =
234		new NaturalLongMaxReducer();
235	<	public long op(long a, long b) { return a >= b? a : b; }
235	>	public long op(long a, long b) { return (a >= b) ? a : b; }
236		}
237
238		/**
#	Line 246 | Line 246 | public class CommonOps {
246		implements LongReducer {
247		public static final NaturalLongMinReducer min =
248		new NaturalLongMinReducer();
249	<	public long op(long a, long b) { return a <= b? a : b; }
249	>	public long op(long a, long b) { return (a <= b) ? a : b; }
250		}
251
252		/**
#	Line 257 | Line 257 | public class CommonOps {
257		(final LongComparator comparator) {
258		return new LongReducer() {
259		public long op(long a, long b) {
260	<	return (comparator.compare(a, b) >= 0)? a : b;
260	>	return (comparator.compare(a, b) >= 0) ? a : b;
261		}
262		};
263		}
#	Line 270 | Line 270 | public class CommonOps {
270		(final LongComparator comparator) {
271		return new LongReducer() {
272		public long op(long a, long b) {
273	<	return (comparator.compare(a, b) <= 0)? a : b;
273	>	return (comparator.compare(a, b) <= 0) ? a : b;
274		}
275		};
276		}
#	Line 521 | Line 521 | public class CommonOps {
521		*/
522		public static <T> DoubleOp compoundOp
523		(final DoubleToObject<? extends T> first,
524	<	final ObjectToDouble<? super T>  second) {
524	>	final ObjectToDouble<? super T> second) {
525		return new DoubleOp() {
526		public final double op(double t) { return second.op(first.op(t)); }
527		};
#	Line 533 | Line 533 | public class CommonOps {
533		*/
534		public static <T> LongToDouble compoundOp
535		(final LongToObject<? extends T> first,
536	<	final ObjectToDouble<? super T>  second) {
536	>	final ObjectToDouble<? super T> second) {
537		return new LongToDouble() {
538		public final double op(long t) { return second.op(first.op(t)); }
539		};
#	Line 545 | Line 545 | public class CommonOps {
545		*/
546		public static <T> DoubleToLong compoundOp
547		(final DoubleToObject<? extends T> first,
548	<	final ObjectToLong<? super T>  second) {
548	>	final ObjectToLong<? super T> second) {
549		return new DoubleToLong() {
550		public final long op(double t) { return second.op(first.op(t)); }
551		};
#	Line 557 | Line 557 | public class CommonOps {
557		*/
558		public static <T> LongOp compoundOp
559		(final LongToObject<? extends T> first,
560	<	final ObjectToLong<? super T>  second) {
560	>	final ObjectToLong<? super T> second) {
561		return new LongOp() {
562		public final long op(long t) { return second.op(first.op(t)); }
563		};
#	Line 711 | Line 711 | public class CommonOps {
711		/**
712		* Returns a predicate evaluating to true if its argument is non-null
713		*/
714	<	public static  Predicate<Object> isNonNullPredicate() {
714	>	public static Predicate<Object> isNonNullPredicate() {
715		return IsNonNullPredicate.predicate;
716		}
717		static final class IsNonNullPredicate implements Predicate<Object> {
#	Line 725 | Line 725 | public class CommonOps {
725		/**
726		* Returns a predicate evaluating to true if its argument is null
727		*/
728	<	public static  Predicate<Object> isNullPredicate() {
728	>	public static Predicate<Object> isNullPredicate() {
729		return IsNullPredicate.predicate;
730		}
731		static final class IsNullPredicate implements Predicate<Object> {

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