Package org.apache.commons.collections4.iterators

Class EntrySetMapIterator<K,V>

java.lang.Object
org.apache.commons.collections4.iterators.EntrySetMapIterator<K,V>
Type Parameters:
K - the type of keys
V - the type of mapped values
All Implemented Interfaces:
Iterator<K>, MapIterator<K,V>, ResettableIterator<K>
public class EntrySetMapIterator<K,V> extends Object implements MapIterator<K,V>, ResettableIterator<K>
Implements a MapIterator using a Map entrySet. Reverse iteration is not supported. 
 MapIterator it = map.mapIterator();
 while (it.hasNext()) {
   Object key = it.next();
   Object value = it.getValue();
   it.setValue(newValue);
 }
Since:
3.0

  • Constructor Summary

    Constructors
    Constructor
    Description
    EntrySetMapIterator(Map<K,V> map)
    Constructs a new instance.

  • Method Summary

    Modifier and Type
    Method
    Description
    K
    getKey()
    Gets the current key, which is the key returned by the last call to next().
    V
    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.
    K
    next()
    Gets the next key from the Map.
    void
    remove()
    Removes the last returned key from the underlying Map.
    void
    reset()
    Resets the state of the iterator.
    V
    setValue(V value)
    Sets the value associated with the current key.
    String
    toString()
    Gets the iterator as a String.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    Methods inherited from interface java.util.Iterator

    forEachRemaining