GraphFileBackendManager Class Reference

#include <GraphFileBackendManager.h>

Inheritance diagram for GraphFileBackendManager:

Public Types
enum	PluginType { Import, Export }

Public Member Functions
GraphFilePluginInterface *	backendByExtension (QString ext)
QList< GraphFilePluginInterface * >	backends () const
QList< GraphFilePluginInterface * >	backends (PluginType type) const
GraphFilePluginInterface *	defaultBackend ()

Static Public Member Functions
static GraphFileBackendManager *	self ()

Detailed Description

The GraphFileBackendMananger is a singleton class that provides backends for graph file writing and reading.

The backend manager loads dynamic and static backend plugins on first access to

See also

GraphFileBackendMananger::self() and provides access to these backends as

GraphFilePluginInterface objects.

Definition at line 37 of file GraphFileBackendManager.h.

Member Enumeration Documentation

enum GraphFileBackendManager::PluginType

Selector for graph file backend with specific capability.

Enumerator
Import
Export

Definition at line 44 of file GraphFileBackendManager.h.

Member Function Documentation

GraphFilePluginInterface * GraphFileBackendManager::backendByExtension

(

QString

ext

)

Returns an arbitrary loaded plugin that can handle extension ext.

If no backend specifies this extension, return value is 0.

Parameters

ext	specifies the extension string

Returns

backend to handle files with specified extension or 0 otherwise

Definition at line 140 of file GraphFileBackendManager.cpp.

QList< GraphFilePluginInterface * > GraphFileBackendManager::backends

(

)

const

Returns list of loaded backends.

Backends are loaded with first call to

See also

self().

Returns

list of plugin interfaces of loaded backends

Definition at line 71 of file GraphFileBackendManager.cpp.

QList< GraphFilePluginInterface * > GraphFileBackendManager::backends

(

PluginType

type

)

const

Returns list of all loaded backends with specified capability (.

See also

PluginType). Backends are loaded with first call to

self().

Parameters

type	specifies capability of the plugin

Returns

list of plugin interfaces of loaded backends

Definition at line 77 of file GraphFileBackendManager.cpp.

GraphFilePluginInterface * GraphFileBackendManager::defaultBackend

(

)

Returns the default backend used for serialization/loading of graph files.

Use this if the graph document shall be serialized in the default format.

Returns

plugin interface for the graph file backend

Definition at line 151 of file GraphFileBackendManager.cpp.

GraphFileBackendManager * GraphFileBackendManager::self ( )

static

Returns self reference to backend manager.

First call of this method initializes file backend manager and loads plugins.

Returns

self reference

Definition at line 49 of file GraphFileBackendManager.cpp.

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

• GraphFileBackendManager.h
• GraphFileBackendManager.cpp