public final class UnmodifiableMapIterator extends java.lang.Object implements MapIterator, Unmodifiable
Modifier and Type | Method and Description |
---|---|
static MapIterator |
decorate(MapIterator iterator)
Decorates the specified iterator such that it cannot be modified.
|
java.lang.Object |
getKey()
Gets the current key, which is the key returned by the last call
to
next() . |
java.lang.Object |
getValue()
Gets the current value, which is the value associated with the last key
returned by
next() . |
boolean |
hasNext()
Checks to see if there are more entries still to be iterated.
|
java.lang.Object |
next()
Gets the next key from the
Map . |
void |
remove()
Removes the last returned key from the underlying
Map (optional operation). |
java.lang.Object |
setValue(java.lang.Object value)
Sets the value associated with the current key (optional operation).
|
public static MapIterator decorate(MapIterator iterator)
iterator
- the iterator to decoratejava.lang.IllegalArgumentException
- if the iterator is nullpublic boolean hasNext()
MapIterator
hasNext
in interface java.util.Iterator
hasNext
in interface MapIterator
true
if the iterator has more elementspublic java.lang.Object next()
MapIterator
Map
.next
in interface java.util.Iterator
next
in interface MapIterator
public java.lang.Object getKey()
MapIterator
next()
.getKey
in interface MapIterator
public java.lang.Object getValue()
MapIterator
next()
.getValue
in interface MapIterator
public java.lang.Object setValue(java.lang.Object value)
MapIterator
setValue
in interface MapIterator
value
- the new valuepublic void remove()
MapIterator
Map
(optional operation).
This method can be called once per call to next()
.
remove
in interface java.util.Iterator
remove
in interface MapIterator
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