Class IteratorEnumeration<E>
java.lang.Object
org.apache.commons.collections4.iterators.IteratorEnumeration<E>
- Type Parameters:
E- the type of elements returned by this iterator.
- All Implemented Interfaces:
Enumeration<E>
Adapter to make an
Iterator instance appear to be an
Enumeration instance.- Since:
- 1.0
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Constructor Summary
ConstructorsConstructorDescriptionConstructs a newIteratorEnumerationthat will not function untilsetIteratoris invoked.IteratorEnumeration(Iterator<? extends E> iterator) Constructs a newIteratorEnumerationthat will use the given iterator. -
Method Summary
Modifier and TypeMethodDescriptionGets the underlying iterator.booleanReturns true if the underlying iterator has more elements.Returns the next element from the underlying iterator.voidsetIterator(Iterator<? extends E> iterator) Sets the underlying iterator.
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Constructor Details
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IteratorEnumeration
public IteratorEnumeration()Constructs a newIteratorEnumerationthat will not function untilsetIteratoris invoked. -
IteratorEnumeration
Constructs a newIteratorEnumerationthat will use the given iterator.- Parameters:
iterator- the iterator to use
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Method Details
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getIterator
Gets the underlying iterator.- Returns:
- the underlying iterator
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hasMoreElements
Returns true if the underlying iterator has more elements.- Specified by:
hasMoreElementsin interfaceEnumeration<E>- Returns:
- true if the underlying iterator has more elements
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nextElement
Returns the next element from the underlying iterator.- Specified by:
nextElementin interfaceEnumeration<E>- Returns:
- the next element from the underlying iterator.
- Throws:
NoSuchElementException- if the underlying iterator has no more elements
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setIterator
Sets the underlying iterator.- Parameters:
iterator- the new underlying iterator
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