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java.lang.Objectorg.apache.commons.collections.iterators.UnmodifiableMapIterator
Decorates a map iterator such that it cannot be modified.
Method Summary | |
static MapIterator |
decorate(MapIterator iterator)
Decorates the specified iterator such that it cannot be modified. |
Object |
getKey()
Gets the current key, which is the key returned by the last call to next() . |
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. |
Object |
next()
Gets the next key from the Map . |
void |
remove()
Removes the last returned key from the underlying Map (optional operation). |
Object |
setValue(Object value)
Sets the value associated with the current key (optional operation). |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
public static MapIterator decorate(MapIterator iterator)
iterator
- the iterator to decorate
IllegalArgumentException
- if the iterator is nullpublic boolean hasNext()
MapIterator
hasNext
in interface MapIterator
true
if the iterator has more elementspublic Object next()
MapIterator
Map
.
next
in interface MapIterator
public Object getKey()
MapIterator
next()
.
getKey
in interface MapIterator
public Object getValue()
MapIterator
next()
.
getValue
in interface MapIterator
public Object setValue(Object value)
MapIterator
setValue
in interface MapIterator
value
- the new value
public void remove()
MapIterator
Map
(optional operation).
This method can be called once per call to next()
.
remove
in interface MapIterator
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