Class FunctionalIterator<T>
- java.lang.Object
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- org.apache.druid.java.util.common.guava.FunctionalIterator<T>
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Constructor Summary
Constructors Constructor Description FunctionalIterator(Iterator<T> delegate)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <T> FunctionalIterator<T>
create(Iterator<T> delegate)
FunctionalIterator<T>
drop(int numToDrop)
FunctionalIterator<T>
filter(com.google.common.base.Predicate<T> pred)
boolean
hasNext()
<RetType> FunctionalIterator<RetType>
keep(com.google.common.base.Function<T,RetType> fn)
T
next()
void
remove()
<RetType> FunctionalIterator<RetType>
transform(com.google.common.base.Function<T,RetType> fn)
<RetType> FunctionalIterator<RetType>
transformCat(com.google.common.base.Function<T,Iterator<RetType>> fn)
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.util.Iterator
forEachRemaining
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Method Detail
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create
public static <T> FunctionalIterator<T> create(Iterator<T> delegate)
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transform
public <RetType> FunctionalIterator<RetType> transform(com.google.common.base.Function<T,RetType> fn)
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transformCat
public <RetType> FunctionalIterator<RetType> transformCat(com.google.common.base.Function<T,Iterator<RetType>> fn)
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keep
public <RetType> FunctionalIterator<RetType> keep(com.google.common.base.Function<T,RetType> fn)
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filter
public FunctionalIterator<T> filter(com.google.common.base.Predicate<T> pred)
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drop
public FunctionalIterator<T> drop(int numToDrop)
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