Package com.fasterxml.aalto.util
Class EmptyIterator<T>
- java.lang.Object
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- com.fasterxml.aalto.util.EmptyIterator<T>
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- All Implemented Interfaces:
java.util.Iterator<T>
public final class EmptyIterator<T> extends java.lang.Object implements java.util.Iterator<T>
Simple implementation of "null iterator", iterator that has nothing to iterate over.
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Field Summary
Fields Modifier and Type Field Description (package private) static EmptyIterator<java.lang.Object>
sInstance
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Constructor Summary
Constructors Modifier Constructor Description private
EmptyIterator()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description static <T> EmptyIterator<T>
getInstance()
Since the actual type has no effect (as this iterator never returns any value objects), we can just cast away here: bit unclean, but safe.boolean
hasNext()
T
next()
void
remove()
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Field Detail
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sInstance
static final EmptyIterator<java.lang.Object> sInstance
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Method Detail
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getInstance
public static <T> EmptyIterator<T> getInstance()
Since the actual type has no effect (as this iterator never returns any value objects), we can just cast away here: bit unclean, but safe.
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hasNext
public boolean hasNext()
- Specified by:
hasNext
in interfacejava.util.Iterator<T>
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remove
public void remove()
- Specified by:
remove
in interfacejava.util.Iterator<T>
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