Package com.mchange.v1.util

Class WrapperIterator

java.lang.Object

com.mchange.v1.util.WrapperIterator

All Implemented Interfaces:

java.util.Iterator

public abstract class WrapperIterator
extends java.lang.Object
implements java.util.Iterator

This implementation does not yet support removes once hasNext() has been called... will add if necessary.

Field Summary

Fields

Modifier and Type	Field	Description
protected static java.lang.Object	SKIP_TOKEN

Constructor Summary

Constructors

Constructor	Description
WrapperIterator(java.util.Iterator inner)
WrapperIterator(java.util.Iterator inner, boolean supports_remove)

Method Summary

Modifier and Type	Method	Description
boolean	hasNext()
java.lang.Object	next()
void	remove()
protected abstract java.lang.Object	transformObject(java.lang.Object o)	return SKIP_TOKEN to indicate an object should be skipped, i.e., not exposed as part of the iterator.

Methods inherited from interface java.util.Iterator

forEachRemaining

Methods inherited from class java.lang.Object

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

Field Detail

SKIP_TOKEN

protected static final java.lang.Object SKIP_TOKEN

Constructor Detail

WrapperIterator

public WrapperIterator(java.util.Iterator inner,
                       boolean supports_remove)

WrapperIterator

public WrapperIterator(java.util.Iterator inner)

Method Detail

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator

next

public java.lang.Object next()

Specified by:

next in interface java.util.Iterator

remove

public void remove()

Specified by:

remove in interface java.util.Iterator

transformObject

protected abstract java.lang.Object transformObject(java.lang.Object o)

return SKIP_TOKEN to indicate an object should be skipped, i.e., not exposed as part of the iterator. (we don't use null, because we want to support iterators over null-accepting Collections.)