CommonOps (org.codehaus.gpars)

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groovyx.gpars.extra166y
[Java] Class CommonOps

java.lang.Object
  groovyx.gpars.extra166y.CommonOps

public class CommonOps

A collection of static factory methods providing commonly useful implementations of operations.

Nested Class Summary
`static class`	`CommonOps.DoubleAdder`
`static class`	`CommonOps.DoubleBoundedRandomGenerator`
`static class`	`CommonOps.DoubleEqualityPredicate`
`static class`	`CommonOps.DoubleInequalityPredicate`
`static class`	`CommonOps.DoubleIntervalRandomGenerator`
`static class`	`CommonOps.DoubleRandomGenerator`
`static class`	`CommonOps.EqualityPredicate`
`static class`	`CommonOps.IdentityPredicate`
`static class`	`CommonOps.InequalityPredicate`
`static class`	`CommonOps.IntAdder`
`static class`	`CommonOps.IntBoundedRandomGenerator`
`static class`	`CommonOps.IntEqualityPredicate`
`static class`	`CommonOps.IntInequalityPredicate`
`static class`	`CommonOps.IntIntervalRandomGenerator`
`static class`	`CommonOps.IntRandomGenerator`
`static class`	`CommonOps.IsNonNullPredicate`
`static class`	`CommonOps.IsNullPredicate`
`static class`	`CommonOps.LongAdder`
`static class`	`CommonOps.LongBoundedRandomGenerator`
`static class`	`CommonOps.LongEqualityPredicate`
`static class`	`CommonOps.LongInequalityPredicate`
`static class`	`CommonOps.LongIntervalRandomGenerator`
`static class`	`CommonOps.LongRandomGenerator`
`static class`	`CommonOps.NaturalDoubleComparator`
`static class`	`CommonOps.NaturalDoubleMaxReducer`
`static class`	`CommonOps.NaturalDoubleMinReducer`
`static class`	`CommonOps.NaturalLongComparator`
`static class`	`CommonOps.NaturalLongMaxReducer`
`static class`	`CommonOps.NaturalLongMinReducer`
`static class`	`CommonOps.NonidentityPredicate`
`static class`	`CommonOps.RawComparator`
`static class`	`CommonOps.RawMaxReducer`
`static class`	`CommonOps.RawMinReducer`

Constructor Summary
`private CommonOps()`

Method Summary
`static Predicate`	`andPredicate(Predicate first, Predicate second)` Returns a predicate evaluating to the conjunction of its contained predicates
`static DoublePredicate`	`andPredicate(DoublePredicate first, DoublePredicate second)` Returns a predicate evaluating to the conjunction of its contained predicates
`static LongPredicate`	`andPredicate(LongPredicate first, LongPredicate second)` Returns a predicate evaluating to the conjunction of its contained predicates
`static java.util.Comparator`	`castedComparator()` Returns a Comparator that casts its arguments as Comparable on each comparison, throwing ClassCastException on failure.
`static Reducer`	`castedMaxReducer()` Returns a reducer returning maximum of two values, or `null` if both arguments are null, and that casts its arguments as Comparable on each comparison, throwing ClassCastException on failure.
`static Reducer`	`castedMinReducer()` Returns a reducer returning minimum of two values, or `null` if both arguments are null, and that casts its arguments as Comparable on each comparison, throwing ClassCastException on failure.
`static Op`	`compoundOp(Op first, Op second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static Op`	`compoundOp(ObjectToDouble first, DoubleToObject second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static Op`	`compoundOp(ObjectToLong first, LongToObject second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleToObject`	`compoundOp(DoubleToObject first, Op second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongToObject`	`compoundOp(LongToObject first, Op second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static ObjectToDouble`	`compoundOp(Op first, ObjectToDouble second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static ObjectToLong`	`compoundOp(Op first, ObjectToLong second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static ObjectToDouble`	`compoundOp(ObjectToDouble first, DoubleOp second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static ObjectToLong`	`compoundOp(ObjectToDouble first, DoubleToLong second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static ObjectToLong`	`compoundOp(ObjectToLong first, LongOp second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static ObjectToDouble`	`compoundOp(ObjectToLong first, LongToDouble second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleOp`	`compoundOp(DoubleOp first, DoubleOp second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleToLong`	`compoundOp(DoubleOp first, DoubleToLong second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleToLong`	`compoundOp(DoubleToLong first, LongOp second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleToObject`	`compoundOp(DoubleToLong first, LongToObject second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongToObject`	`compoundOp(LongToDouble first, DoubleToObject second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongToDouble`	`compoundOp(LongOp first, LongToDouble second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongToDouble`	`compoundOp(LongToDouble first, DoubleOp second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleToObject`	`compoundOp(DoubleOp first, DoubleToObject second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongToObject`	`compoundOp(LongOp first, LongToObject second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleOp`	`compoundOp(DoubleToObject first, ObjectToDouble second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongToDouble`	`compoundOp(LongToObject first, ObjectToDouble second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleToLong`	`compoundOp(DoubleToObject first, ObjectToLong second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongOp`	`compoundOp(LongToObject first, ObjectToLong second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongOp`	`compoundOp(LongOp first, LongOp second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleOp`	`compoundOp(DoubleToLong first, LongToDouble second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static LongOp`	`compoundOp(LongToDouble first, DoubleToLong second)` Returns a composite mapper that applies a second mapper to the results of applying the first one
`static DoubleReducer`	`doubleAdder()` Returns a reducer that adds two double elements
`static BinaryDoublePredicate`	`doubleEqualityPredicate()` Returns a predicate evaluating to true if the first argument `==` the second
`static BinaryDoublePredicate`	`doubleInequalityPredicate()` Returns a predicate evaluating to true if the first argument `!`
`static DoubleReducer`	`doubleMaxReducer(DoubleComparator comparator)` Returns a reducer returning the maximum of two double elements, using the given comparator
`static DoubleReducer`	`doubleMinReducer(DoubleComparator comparator)` Returns a reducer returning the minimum of two double elements, using the given comparator
`static DoubleGenerator`	`doubleRandom()` Returns a generator producing uniform random values between zero and one, with the same properties as java.util.Random#nextDouble
`static DoubleGenerator`	`doubleRandom(double bound)` Returns a generator producing uniform random values between zero and the given bound, with the same properties as java.util.Random#nextDouble.
`static DoubleGenerator`	`doubleRandom(double least, double bound)` Returns a generator producing uniform random values between the given least value (inclusive) and bound (exclusive)
`static BinaryPredicate`	`equalityPredicate()` Returns a predicate evaluating to true if the first argument `equals` the second
`static BinaryPredicate`	`identityPredicate()` Returns a predicate evaluating to true if the first argument `==` the second
`static BinaryPredicate`	`inequalityPredicate()` Returns a predicate evaluating to true if the first argument `!`
`static Predicate`	`instanceofPredicate(java.lang.Class type)` Returns a predicate evaluating to true if its argument is an instance of (see java.lang.Class#isInstance the given type (class).
`static IntReducer`	`intAdder()` Returns a reducer that adds two int elements
`static BinaryIntPredicate`	`intEqualityPredicate()` Returns a predicate evaluating to true if the first argument `==` the second
`static BinaryIntPredicate`	`intInequalityPredicate()` Returns a predicate evaluating to true if the first argument `!`
`static IntGenerator`	`intRandom()` Returns a generator producing uniform random values with the same properties as java.util.Random#nextInt
`static IntGenerator`	`intRandom(int bound)` Returns a generator producing uniform random values with the same properties as java.util.Random#nextInt(int)
`static IntGenerator`	`intRandom(int least, int bound)` Returns a generator producing uniform random values between the given least value (inclusive) and bound (exclusive)
`static Predicate`	`isAssignablePredicate(java.lang.Class type)` Returns a predicate evaluating to true if its argument is assignable from (see java.lang.Class#isAssignableFrom the given type (class).
`static Predicate`	`isNonNullPredicate()` Returns a predicate evaluating to true if its argument is non-null
`static Predicate`	`isNullPredicate()` Returns a predicate evaluating to true if its argument is null
`static LongReducer`	`longAdder()` Returns a reducer that adds two long elements
`static BinaryLongPredicate`	`longEqualityPredicate()` Returns a predicate evaluating to true if the first argument `==` the second
`static BinaryLongPredicate`	`longInequalityPredicate()` Returns a predicate evaluating to true if the first argument `==` the second
`static LongReducer`	`longMaxReducer(LongComparator comparator)` Returns a reducer returning the maximum of two long elements, using the given comparator
`static LongReducer`	`longMinReducer(LongComparator comparator)` Returns a reducer returning the minimum of two long elements, using the given comparator
`static LongGenerator`	`longRandom()` Returns a generator producing uniform random values with the same properties as java.util.Random#nextLong
`static LongGenerator`	`longRandom(long bound)` Returns a generator producing uniform random values with the same properties as java.util.Random#nextInt(int)
`static LongGenerator`	`longRandom(long least, long bound)` Returns a generator producing uniform random values between the given least value (inclusive) and bound (exclusive).
`static Reducer`	`maxReducer(java.util.Comparator comparator)` Returns a reducer returning the maximum of two elements, using the given comparator, and treating null as less than any non-null element.
`static Reducer`	`minReducer(java.util.Comparator comparator)` Returns a reducer returning the minimum of two elements, using the given comparator, and treating null as greater than any non-null element.
`static java.util.Comparator`	`naturalComparator(java.lang.Class type)` Returns a Comparator for Comparable objects
`static DoubleComparator`	`naturalDoubleComparator()` Returns a comparator for doubles relying on natural ordering
`static DoubleReducer`	`naturalDoubleMaxReducer()` Returns a reducer returning the maximum of two double elements, using natural comparator
`static DoubleReducer`	`naturalDoubleMinReducer()` Returns a reducer returning the minimum of two double elements, using natural comparator
`static LongComparator`	`naturalLongComparator()` Returns a comparator for longs relying on natural ordering
`static LongReducer`	`naturalLongMaxReducer()` Returns a reducer returning the maximum of two long elements, using natural comparator
`static LongReducer`	`naturalLongMinReducer()` A reducer returning the minimum of two long elements, using natural comparator
`static Reducer`	`naturalMaxReducer(java.lang.Class type)` Returns a reducer returning the maximum of two Comparable elements, treating null as less than any non-null element.
`static Reducer`	`naturalMinReducer(java.lang.Class type)` Returns a reducer returning the minimum of two Comparable elements, treating null as greater than any non-null element.
`static BinaryPredicate`	`nonidentityPredicate()` Returns a predicate evaluating to true if the first argument `!`
`static Predicate`	`notPredicate(Predicate pred)` Returns a predicate evaluating to the negation of its contained predicate
`static DoublePredicate`	`notPredicate(DoublePredicate pred)` Returns a predicate evaluating to the negation of its contained predicate
`static LongPredicate`	`notPredicate(LongPredicate pred)` Returns a predicate evaluating to the negation of its contained predicate
`static Predicate`	`orPredicate(Predicate first, Predicate second)` Returns a predicate evaluating to the disjunction of its contained predicates
`static DoublePredicate`	`orPredicate(DoublePredicate first, DoublePredicate second)` Returns a predicate evaluating to the disjunction of its contained predicates
`static LongPredicate`	`orPredicate(LongPredicate first, LongPredicate second)` Returns a predicate evaluating to the disjunction of its contained predicates

Methods inherited from class java.lang.Object
java.lang.Object#wait(long), java.lang.Object#wait(), java.lang.Object#wait(long, int), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()

Constructor Detail

CommonOps

private CommonOps()

Method Detail

andPredicate

public static Predicate andPredicate(Predicate first, Predicate second)

Returns a predicate evaluating to the conjunction of its contained predicates

andPredicate

public static DoublePredicate andPredicate(DoublePredicate first, DoublePredicate second)

Returns a predicate evaluating to the conjunction of its contained predicates

andPredicate

public static LongPredicate andPredicate(LongPredicate first, LongPredicate second)

Returns a predicate evaluating to the conjunction of its contained predicates

castedComparator

public static java.util.Comparator castedComparator()

Returns a Comparator that casts its arguments as Comparable on each comparison, throwing ClassCastException on failure.

castedMaxReducer

public static Reducer castedMaxReducer()

Returns a reducer returning maximum of two values, or null if both arguments are null, and that casts its arguments as Comparable on each comparison, throwing ClassCastException on failure.

castedMinReducer

public static Reducer castedMinReducer()

Returns a reducer returning minimum of two values, or null if both arguments are null, and that casts its arguments as Comparable on each comparison, throwing ClassCastException on failure.