Package io.goobi.viewer.model.viewer.pageloader

Class LeanPageLoader

java.lang.Object

io.goobi.viewer.model.viewer.pageloader.AbstractPageLoader

io.goobi.viewer.model.viewer.pageloader.LeanPageLoader

All Implemented Interfaces:

IPageLoader, Serializable

public class LeanPageLoader
extends AbstractPageLoader
implements Serializable

Memory-saving page loader that only loads one page at a time.

See Also:

• Serialized Form

Field Summary

Fields inherited from class io.goobi.viewer.model.viewer.pageloader.AbstractPageLoader

FIELDS

Method Summary

Modifier and Type	Method	Description
PhysicalElement	findPageForFilename(String filename)
void	generateSelectItems(List<SelectPageItem> dropdownPages, List<SelectPageItem> dropdownFulltext, String urlRoot, boolean recordBelowFulltextThreshold, Locale locale)	generateSelectItems.
int	getFirstPageOrder()	getFirstPageOrder.
int	getLastPageOrder()	getLastPageOrder.
int	getNumPages()	getNumPages.
Long	getOwnerIddocForPage(int pageOrder)	getOwnerIddocForPage.
PhysicalElement	getPage(int pageOrder)	getPage.
PhysicalElement	getPageForFileName(String fileName)	getPageForFileName.
protected PhysicalElement	loadPage(int pageNumber, String fileName)	loadPage.
protected final void	setFirstAndLastPageOrder()	setFirstAndLastPageOrder.

Methods inherited from class io.goobi.viewer.model.viewer.pageloader.AbstractPageLoader

buildPageLabelTemplate, buildPageSelectItem, create, create, create, loadPage, loadPageFromDoc

Methods inherited from class java.lang.Object

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

Method Details

getNumPages

public int getNumPages()
                throws IndexUnreachableException

getNumPages.

Specified by:

getNumPages in interface IPageLoader

Returns:

a int.

Throws:

IndexUnreachableException - if any.

getFirstPageOrder

public int getFirstPageOrder()

getFirstPageOrder.

Specified by:

getFirstPageOrder in interface IPageLoader

Returns:

a int.

getLastPageOrder

public int getLastPageOrder()

getLastPageOrder.

Specified by:

getLastPageOrder in interface IPageLoader

Returns:

a int.

getPage

public PhysicalElement getPage(int pageOrder)
                        throws IndexUnreachableException

getPage.

Specified by:

getPage in interface IPageLoader

Parameters:

pageOrder - a int.

Returns:

a PhysicalElement object.

Throws:

IndexUnreachableException - if any.

getPageForFileName

public PhysicalElement getPageForFileName(String fileName)
                                   throws PresentationException,
IndexUnreachableException,
DAOException

getPageForFileName.

Specified by:

getPageForFileName in interface IPageLoader

Parameters:

fileName - a String object.

Returns:

a PhysicalElement object.

Throws:

PresentationException - if any.

IndexUnreachableException - if any.

DAOException - if any.

getOwnerIddocForPage

public Long getOwnerIddocForPage(int pageOrder)
                          throws IndexUnreachableException,
PresentationException

getOwnerIddocForPage.

Specified by:

getOwnerIddocForPage in interface IPageLoader

Parameters:

pageOrder - a int.

Returns:

a Long object.

Throws:

IndexUnreachableException - if any.

PresentationException - if any.

generateSelectItems

public void generateSelectItems(List<SelectPageItem> dropdownPages,
 List<SelectPageItem> dropdownFulltext,
 String urlRoot,
 boolean recordBelowFulltextThreshold,
 Locale locale)
                         throws IndexUnreachableException

generateSelectItems.

Specified by:

generateSelectItems in interface IPageLoader

Parameters:

dropdownPages - Image view drop-down item

dropdownFulltext - Full-text view drop-down item list

urlRoot - a String object.

recordBelowFulltextThreshold - a boolean.

locale - a Locale object.

Throws:

IndexUnreachableException - if any.

setFirstAndLastPageOrder

protected final void setFirstAndLastPageOrder()
                                       throws IndexUnreachableException

setFirstAndLastPageOrder.

Throws:

IndexUnreachableException - if any.

loadPage

protected PhysicalElement loadPage(int pageNumber,
 String fileName)
                            throws PresentationException,
IndexUnreachableException

loadPage.

Parameters:

pageNumber - a int.

fileName - a String object.

Returns:

a PhysicalElement object.

Throws:

PresentationException - if any.

IndexUnreachableException - if any.

DAOException - if any.

findPageForFilename

public PhysicalElement findPageForFilename(String filename)

Specified by:

findPageForFilename in interface IPageLoader