Top Description Fields Constructors Methods

com.mchange.v1.util

public abstract Class WrapperUIterator

Class Inheritance

extends Object
implements UIterator

java.lang.Object
com.mchange.v1.util.WrapperUIterator

All Implemented Interfaces

com.mchange.v1.util.UIterator, com.mchange.v1.util.ClosableResource

Imports

java.util.*, com.mchange.v1.util.DebugUtils

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

Field Summary

Modifier and Type	Field and Description
pack-priv static final boolean	DEBUG
pack-priv UIterator	inner
pack-priv Object	lastOut
pack-priv Object	nextOut
protected static final Object	SKIP_TOKEN
pack-priv boolean	supports_remove

Constructor Summary

Access	Constructor and Description
public	WrapperUIterator(UIterator inner, boolean supports_remove)
public	WrapperUIterator(UIterator inner)

Method Summary

Modifier and Type	Method and Description
public void	close() Implements com.mchange.v1.util.UIterator.close. forces the release of any resources that might be associated with this object.
private void	findNext()
public boolean	hasNext() Implements com.mchange.v1.util.UIterator.hasNext.
public Object	next() Implements com.mchange.v1.util.UIterator.next.
public void	remove() Implements com.mchange.v1.util.UIterator.remove.
protected abstract Object	transformObject(Object o) return SKIP_TOKEN to indicate an object should be skipped, i.e., not exposed as part of the iterator.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

DEBUG	back to summary
pack-priv static final boolean DEBUG

inner	back to summary
pack-priv UIterator inner

lastOut	back to summary
pack-priv Object lastOut

nextOut	back to summary
pack-priv Object nextOut

SKIP_TOKEN	back to summary
protected static final Object SKIP_TOKEN

supports_remove	back to summary
pack-priv boolean supports_remove

Constructor Detail

WrapperUIterator	back to summary
public WrapperUIterator(UIterator inner, boolean supports_remove)

WrapperUIterator	back to summary
public WrapperUIterator(UIterator inner)

Method Detail

close

back to summary

public void close() throws Exception

Implements com.mchange.v1.util.UIterator.close.

Doc from com.mchange.v1.util.ClosableResource.close.

forces the release of any resources that might be associated with this object.

findNext	back to summary
private void findNext() throws Exception

hasNext	back to summary
public boolean hasNext() throws Exception Implements com.mchange.v1.util.UIterator.hasNext.

next	back to summary
public Object next() throws NoSuchElementException, Exception Implements com.mchange.v1.util.UIterator.next.

remove	back to summary
public void remove() throws Exception Implements com.mchange.v1.util.UIterator.remove.

transformObject	back to summary
protected abstract Object transformObject(Object o) throws Exception 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.)