common
Class FilteredMapIterator

java.lang.Object
  common.FilteredIterator
      common.FilteredMapIterator

All Implemented Interfaces:

java.util.Iterator

public abstract class FilteredMapIterator
extends FilteredIterator

Abstract class for FilteredIterator objects whose underlying iterator runs over the entry set of a map. For each entry such that isGoodValue(entry.getValue()) returns true, the FilteredMapIterator returns entry.getKey().

Constructor Summary

FilteredMapIterator(java.util.Iterator underlying)
Creates a new FilteredMapIterator on the given underlying iterator.

Method Summary

protected java.lang.Object	filter(int index, java.lang.Object obj)
protected abstract boolean	isGoodValue(java.lang.Object val)

Methods inherited from class common.FilteredIterator

hasNext, next, remove

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteredMapIterator

public FilteredMapIterator(java.util.Iterator underlying)

Creates a new FilteredMapIterator on the given underlying iterator.

Method Detail

filter

protected java.lang.Object filter(int index,
                                  java.lang.Object obj)

Specified by:

filter in class FilteredIterator

isGoodValue

protected abstract boolean isGoodValue(java.lang.Object val)