ix

Class IxBaseIterator<T,R>

java.lang.Object

ix.IxBaseIterator<T,R>

Type Parameters:

T - the source value type

R - the result value type

All Implemented Interfaces:

java.util.Iterator<R>

Direct Known Subclasses:

IxSourceIterator

public abstract class IxBaseIterator<T,R>
extends java.lang.Object
implements java.util.Iterator<R>

A base iterator that manages the state between hasNext() and the next() calls; plus defines the remove() to throw UnsupportedOperationException.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	done Indicates there are no more data available.
protected boolean	hasValue Inidicates a value is available for consumption.
protected R	value The current value if hasValue is true.

Constructor Summary

Constructors

Constructor and Description
IxBaseIterator()

Method Summary

Modifier and Type	Method and Description
boolean	hasNext()
protected abstract boolean	moveNext() Move the stream forward by a single element.
R	next()
void	remove()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Iterator

forEachRemaining

Field Detail

hasValue

protected boolean hasValue

Inidicates a value is available for consumption.

done

protected boolean done

Indicates there are no more data available.

value

protected R value

The current value if hasValue is true.

Constructor Detail

IxBaseIterator

public IxBaseIterator()

Method Detail

moveNext

protected abstract boolean moveNext()

Move the stream forward by a single element.

Returns:

what the hasNext should return

hasNext

public final boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<R>

next

public final R next()

Specified by:

next in interface java.util.Iterator<R>

remove

public void remove()

Specified by:

remove in interface java.util.Iterator<R>