Package org.frankframework.core

Class PeekableDataIterator<I>

java.lang.Object

org.frankframework.core.PeekableDataIterator<I>

All Implemented Interfaces:

AutoCloseable, IDataIterator<I>

public class PeekableDataIterator<I>
extends Object
implements IDataIterator<I>

Wrapper for IDataIterator, that allows to peek the object that will be returned by next().

Author:

Gerrit van Brakel

Constructor Summary

Constructors

Constructor	Description
PeekableDataIterator(IDataIterator<I> target)

Method Summary

Modifier and Type	Method	Description
void	close()
boolean	hasNext()
I	next()
I	peek()	Returns object that will be returned by next() if present, or null if not.

Methods inherited from class java.lang.Object

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

Constructor Details

PeekableDataIterator

public PeekableDataIterator(IDataIterator<I> target)

Method Details

hasNext

public boolean hasNext()
                throws SenderException

Specified by:

hasNext in interface IDataIterator<I>

Throws:

SenderException

next

public I next()
       throws SenderException

Specified by:

next in interface IDataIterator<I>

Throws:

SenderException

peek

public I peek()
       throws SenderException

Returns object that will be returned by next() if present, or null if not. Can be called multiple times.

Throws:

SenderException

close

public void close()
           throws SenderException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface IDataIterator<I>

Throws:

SenderException