furny.furndb.importer
Class DBModelSource

java.lang.Object
  furny.furndb.importer.DBModelSource

All Implemented Interfaces:

IModelSource

public class DBModelSource
extends java.lang.Object
implements IModelSource

Implementation of a model source, that iterates over all furnitures in the FurnDB.

Since:

26.06.2011

Author:

stephan

Field Summary

private java.util.List<java.lang.Long>	ids
private int	index
private static java.util.logging.Logger	LOGGER

Constructor Summary

DBModelSource()
Creates a model source, that iterates over all furnitures in the FurnDB.

Method Summary

int	getSize() Returns the number of elements.
boolean	hasNext() Method to check if more elements are there.
Furniture	next() Gets the next element.
Furniture	next(int offset) This methods works like next(), but allows to skip elements.
Furniture	previous() Gets the previous element.
void	reset() Resets and starts at the first element.
void	seek(Furniture furn) Seeks the given furniture and remembers its position.

Methods inherited from class java.lang.Object

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

Field Detail

LOGGER

private static final java.util.logging.Logger LOGGER

ids

private java.util.List<java.lang.Long> ids

index

private int index

Constructor Detail

DBModelSource

public DBModelSource()

Creates a model source, that iterates over all furnitures in the FurnDB.

Since:

26.06.2011

Method Detail

reset

public void reset()

Description copied from interface: IModelSource

Resets and starts at the first element.

Specified by:

reset in interface IModelSource

seek

public void seek(Furniture furn)

Description copied from interface: IModelSource

Seeks the given furniture and remembers its position. A call to next() will give the element after the seeked element.

Specified by:

seek in interface IModelSource

Parameters:

furn - The furniture to seek

hasNext

public boolean hasNext()

Description copied from interface: IModelSource

Method to check if more elements are there.

Specified by:

hasNext in interface IModelSource

Returns:

more elements are left

next

public Furniture next(int offset)

Description copied from interface: IModelSource

This methods works like next(), but allows to skip elements. If the offset is negative, it will return previous elements.

The method works circular, when hasNext() returns false, and the last element is reached, a call to next() will start at the first element.

Specified by:

next in interface IModelSource

Parameters:

offset - The offset of elements

Returns:

the furniture at the desired position

next

public Furniture next()

Description copied from interface: IModelSource

Gets the next element. It simply calls next(1).

Specified by:

next in interface IModelSource

Returns:

the next furniture

previous

public Furniture previous()

Description copied from interface: IModelSource

Gets the previous element. It simply calls next(-1).

Specified by:

previous in interface IModelSource

Returns:

the previous furniture.

getSize

public int getSize()

Description copied from interface: IModelSource

Returns the number of elements.

Specified by:

getSize in interface IModelSource

Returns:

the number of elements.