public final class UnmodifiableIterator extends java.lang.Object implements java.util.Iterator, Unmodifiable
Modifier and Type | Field and Description |
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private java.util.Iterator |
iterator
The iterator being decorated
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Modifier | Constructor and Description |
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private |
UnmodifiableIterator(java.util.Iterator iterator)
Constructor.
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Modifier and Type | Method and Description |
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static java.util.Iterator |
decorate(java.util.Iterator iterator)
Decorates the specified iterator such that it cannot be modified.
|
boolean |
hasNext() |
java.lang.Object |
next() |
void |
remove() |
private UnmodifiableIterator(java.util.Iterator iterator)
iterator
- the iterator to decoratepublic static java.util.Iterator decorate(java.util.Iterator iterator)
If the iterator is already unmodifiable it is returned directly.
iterator
- the iterator to decoratejava.lang.IllegalArgumentException
- if the iterator is nullpublic boolean hasNext()
hasNext
in interface java.util.Iterator
public java.lang.Object next()
next
in interface java.util.Iterator
public void remove()
remove
in interface java.util.Iterator