QgsServerCacheManager Class Reference

A helper class that centralizes caches accesses given by all the server cache filter plugins. More...

#include <qgsservercachemanager.h>

Public Member Functions
	QgsServerCacheManager (const QgsServerCacheManager &copy)
	Copy constructor.
	QgsServerCacheManager (const QgsServerSettings &settings=QgsServerSettings())
	Constructor.
	~QgsServerCacheManager ()
	Destructor.
bool	deleteCachedDocument (const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
	Deletes the cached document.
bool	deleteCachedDocuments (const QgsProject *project) const
	Deletes all cached documents for a QGIS project.
bool	deleteCachedImage (const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
	Deletes the cached image.
bool	deleteCachedImages (const QgsProject *project) const
	Deletes all cached images for a QGIS project.
bool	getCachedDocument (QDomDocument *doc, const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
	Returns cached document (or 0 if document not in cache) like capabilities.
QByteArray	getCachedImage (const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
	Returns cached image (or 0 if image not in cache) like tiles.
QgsServerCacheManager &	operator= (const QgsServerCacheManager &copy)
	Assignment operator.
void	registerServerCache (QgsServerCacheFilter *serverCache, int priority=0)
	Register a server cache filter.
bool	setCachedDocument (const QDomDocument *doc, const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
	Updates or inserts the document in cache like capabilities.
bool	setCachedImage (const QByteArray *img, const QgsProject *project, const QgsServerRequest &request, QgsAccessControl *accessControl) const
	Updates or inserts the image in cache like tiles.

Detailed Description

A helper class that centralizes caches accesses given by all the server cache filter plugins.

Since

QGIS 3.4

Definition at line 41 of file qgsservercachemanager.h.

Constructor & Destructor Documentation

QgsServerCacheManager() [1/2]

QgsServerCacheManager::QgsServerCacheManager

(

const QgsServerSettings &

settings = QgsServerSettings()

)

Constructor.

Definition at line 24 of file qgsservercachemanager.cpp.

QgsServerCacheManager() [2/2]

QgsServerCacheManager::QgsServerCacheManager

(

const QgsServerCacheManager &

copy

)

Copy constructor.

Definition at line 30 of file qgsservercachemanager.cpp.

~QgsServerCacheManager()

QgsServerCacheManager::~QgsServerCacheManager

(

)

Destructor.

Definition at line 56 of file qgsservercachemanager.cpp.

Member Function Documentation

deleteCachedDocument()

bool QgsServerCacheManager::deleteCachedDocument	(	const QgsProject *	project,
		const QgsServerRequest &	request,
		QgsAccessControl *	accessControl
	)		const

Deletes the cached document.

Parameters

project	the project used to generate the document to provide path
request	the request used to generate the document to provider parameters or data
accessControl	the access control to identify different documents for the same request provided by server interface

Returns

true if the document has been deleted

Definition at line 115 of file qgsservercachemanager.cpp.

deleteCachedDocuments()

bool QgsServerCacheManager::deleteCachedDocuments

(

const QgsProject *

project

)

const

Deletes all cached documents for a QGIS project.

Parameters

project

the project used to generate the document to provide path

Returns

true if the document has been deleted

Definition at line 131 of file qgsservercachemanager.cpp.

deleteCachedImage()

bool QgsServerCacheManager::deleteCachedImage	(	const QgsProject *	project,
		const QgsServerRequest &	request,
		QgsAccessControl *	accessControl
	)		const

Deletes the cached image.

Parameters

project	the project used to generate the image to provide path
request	the request used to generate the image to provider parameters or data
accessControl	the access control to identify different documents for the same request provided by server interface

Returns

true if the image has been deleted

Definition at line 177 of file qgsservercachemanager.cpp.

deleteCachedImages()

bool QgsServerCacheManager::deleteCachedImages

(

const QgsProject *

project

)

const

Deletes all cached images for a QGIS project.

Parameters

project

the project used to generate the images to provide path

Returns

true if the images have been deleted

Definition at line 193 of file qgsservercachemanager.cpp.

getCachedDocument()

bool QgsServerCacheManager::getCachedDocument	(	QDomDocument *	doc,
		const QgsProject *	project,
		const QgsServerRequest &	request,
		QgsAccessControl *	accessControl
	)		const

Returns cached document (or 0 if document not in cache) like capabilities.

Parameters

doc	the document to update by content found in cache
project	the project used to generate the document to provide path
request	the request used to generate the document to provider parameters or data
accessControl	the access control to identify different documents for the same request provided by server interface

Returns

true if the document has been found in cache and the document's content set

Definition at line 61 of file qgsservercachemanager.cpp.

getCachedImage()

QByteArray QgsServerCacheManager::getCachedImage	(	const QgsProject *	project,
		const QgsServerRequest &	request,
		QgsAccessControl *	accessControl
	)		const

Returns cached image (or 0 if image not in cache) like tiles.

Parameters

project	the project used to generate the image to provide path
request	the request used to generate the image to provider parameters or data
accessControl	the access control to identify different documents for the same request provided by server interface

Returns

the cached image or 0 if no corresponding image found

Definition at line 144 of file qgsservercachemanager.cpp.

operator=()

QgsServerCacheManager & QgsServerCacheManager::operator=

(

const QgsServerCacheManager &

copy

)

Assignment operator.

Definition at line 43 of file qgsservercachemanager.cpp.

registerServerCache()

void QgsServerCacheManager::registerServerCache	(	QgsServerCacheFilter *	serverCache,
		int	priority = 0
	)

Register a server cache filter.

Parameters

serverCache	the server cache to add
priority	the priority used to define the order

Definition at line 206 of file qgsservercachemanager.cpp.

setCachedDocument()

bool QgsServerCacheManager::setCachedDocument	(	const QDomDocument *	doc,
		const QgsProject *	project,
		const QgsServerRequest &	request,
		QgsAccessControl *	accessControl
	)		const

Updates or inserts the document in cache like capabilities.

Parameters

doc	the document to cache
project	the project used to generate the document to provide path
request	the request used to generate the document to provider parameters or data
accessControl	the access control to identify different documents for the same request provided by server interface

Returns

true if the document has been cached

Definition at line 94 of file qgsservercachemanager.cpp.

setCachedImage()

bool QgsServerCacheManager::setCachedImage	(	const QByteArray *	img,
		const QgsProject *	project,
		const QgsServerRequest &	request,
		QgsAccessControl *	accessControl
	)		const

Updates or inserts the image in cache like tiles.

Parameters

img	the image to cache
project	the project used to generate the image to provide path
request	the request used to generate the image to provider parameters or data
accessControl	the access control to identify different documents for the same request provided by server interface

Returns

true if the image has been cached

Definition at line 161 of file qgsservercachemanager.cpp.

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The documentation for this class was generated from the following files:

• /home/fischer/src/qgis-3.38/src/server/qgsservercachemanager.h
• /home/fischer/src/qgis-3.38/src/server/qgsservercachemanager.cpp