org.mule.runtime.core.internal.streaming

Class AbstractCursorIterator<T>

java.lang.Object

org.mule.runtime.core.internal.streaming.AbstractCursorIterator<T>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<T>, org.mule.runtime.api.streaming.Cursor, org.mule.runtime.api.streaming.HasSize, org.mule.runtime.api.streaming.object.CursorIterator<T>

Direct Known Subclasses:

BufferedCursorIterator

public abstract class AbstractCursorIterator<T>
extends Object
implements org.mule.runtime.api.streaming.object.CursorIterator<T>

Base class for implementations of CursorIterator.

Provides template methods and enforces default behavior.

Since:

4.0

Constructor Summary

Constructors

Constructor and Description
AbstractCursorIterator(org.mule.runtime.api.streaming.object.CursorIteratorProvider provider) Creates a new instance

Method Summary

Modifier and Type	Method and Description
protected void	assertNotClosed()
void	close()
protected abstract void	doClose()
protected abstract T	doNext(long position)
long	getPosition()
org.mule.runtime.api.streaming.object.CursorIteratorProvider	getProvider()
boolean	isReleased()
T	next()
void	remove()
void	seek(long position)

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, hasNext

Methods inherited from interface org.mule.runtime.api.streaming.Cursor

release

Methods inherited from interface org.mule.runtime.api.streaming.HasSize

getSize

Constructor Detail

AbstractCursorIterator

public AbstractCursorIterator(org.mule.runtime.api.streaming.object.CursorIteratorProvider provider)

Creates a new instance

Parameters:

provider - the provider which opened this cursor

Method Detail

doNext

protected abstract T doNext(long position)

next

public final T next()

Specified by:

next in interface Iterator<T>

getPosition

public long getPosition()

Specified by:

getPosition in interface org.mule.runtime.api.streaming.Cursor

seek

public void seek(long position)
          throws IOException

Specified by:

seek in interface org.mule.runtime.api.streaming.Cursor

Throws:

IOException

close

public final void close()
                 throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.mule.runtime.api.streaming.Cursor

Throws:

IOException

doClose

protected abstract void doClose()
                         throws IOException

Throws:

IOException

isReleased

public boolean isReleased()

Specified by:

isReleased in interface org.mule.runtime.api.streaming.Cursor

getProvider

public org.mule.runtime.api.streaming.object.CursorIteratorProvider getProvider()

Specified by:

getProvider in interface org.mule.runtime.api.streaming.Cursor

assertNotClosed

protected void assertNotClosed()

remove

public void remove()

Specified by:

remove in interface Iterator<T>

Throws:

UnsupportedOperationException - Removing from a stream is not supported