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