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java.lang.Objectjsr166y.forkjoin.ParallelDoubleArray.WithMapping<U>
public abstract static class ParallelDoubleArray.WithMapping<U>
A modifier for parallel array operations to apply to mappings of elements, not to the elements themselves
Method Summary | ||
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abstract ParallelArray<U> |
all()
Returns a new ParallelArray holding elements |
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abstract ParallelArray<U> |
all(java.lang.Class<? super U> elementType)
Returns a new ParallelArray with the given element type holding elements |
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abstract U |
any()
Returns mapping of some element matching bound and filter constraints, or null if none. |
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abstract int |
anyIndex()
Returns the index of some element matching bound and filter constraints, or -1 if none. |
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void |
apply(Ops.Procedure<? super U> procedure)
Applies the given procedure to mapped elements |
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U |
max()
Returns the maximum mapped element, or null if empty assuming that all elements are Comparables |
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U |
max(java.util.Comparator<? super U> comparator)
Returns the maximum mapped element, or null if empty |
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U |
min()
Returns the minimum mapped element, or null if empty, assuming that all elements are Comparables |
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U |
min(java.util.Comparator<? super U> comparator)
Returns the minimum mapped element, or null if empty |
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U |
reduce(Ops.Reducer<U> reducer,
U base)
Returns reduction of mapped elements |
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abstract int |
size()
Return the number of elements selected using bound or filter restrictions. |
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ParallelArray.SummaryStatistics<U> |
summary()
Returns summary statistics, assuming that all elements are Comparables |
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ParallelArray.SummaryStatistics<U> |
summary(java.util.Comparator<? super U> comparator)
Returns summary statistics, using the given comparator to locate minimum and maximum elements. |
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abstract
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withMapping(Ops.Mapper<? super U,? extends V> mapper)
Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper applied to current mapper's results |
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abstract ParallelDoubleArray.WithDoubleMapping |
withMapping(Ops.MapperToDouble<? super U> mapper)
Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper applied to current mapper's results |
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abstract ParallelDoubleArray.WithLongMapping |
withMapping(Ops.MapperToLong<? super U> mapper)
Returns an operation prefix that causes a method to operate on mapped elements of the array using the given mapper applied to current mapper's results |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public void apply(Ops.Procedure<? super U> procedure)
procedure
- the procedurepublic U reduce(Ops.Reducer<U> reducer, U base)
reducer
- the reducerbase
- the result for an empty array
public abstract int anyIndex()
public abstract U any()
public U min(java.util.Comparator<? super U> comparator)
comparator
- the comparator
public U min()
java.lang.ClassCastException
- if any element is not Comparable.public U max(java.util.Comparator<? super U> comparator)
comparator
- the comparator
public U max()
java.lang.ClassCastException
- if any element is not Comparable.public ParallelArray.SummaryStatistics<U> summary(java.util.Comparator<? super U> comparator)
comparator
- the comparator to use for
locating minimum and maximum elements
public ParallelArray.SummaryStatistics<U> summary()
public abstract ParallelArray<U> all()
public abstract ParallelArray<U> all(java.lang.Class<? super U> elementType)
elementType
- the type of the elements
public abstract int size()
public abstract <V> ParallelDoubleArray.WithMapping<V> withMapping(Ops.Mapper<? super U,? extends V> mapper)
mapper
- the mapper
public abstract ParallelDoubleArray.WithDoubleMapping withMapping(Ops.MapperToDouble<? super U> mapper)
mapper
- the mapper
public abstract ParallelDoubleArray.WithLongMapping withMapping(Ops.MapperToLong<? super U> mapper)
mapper
- the mapper
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