A singleton class that serves as a global registry for Grid.DRegularGridInputHandler and Grid.DRegularGridOutputHandler implementation instances. More...

Inheritance diagram for CDPL.Grid.DRegularGridIOManager:

Classes
class	InputHandlerSequence

class	OutputHandlerSequence

Static Public Member Functions
None	registerInputHandler (DRegularGridInputHandler handler)
	Registers the specified Grid.DRegularGridInputHandler implementation instance. More...

DRegularGridInputHandler	getInputHandler (int idx)
	Returns a reference to the registered Grid.DRegularGridInputHandler implementation instance with the specified index. More...

DRegularGridInputHandler	getInputHandlerByFormat (Base.DataFormat fmt)
	Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the specified data format. More...

DRegularGridInputHandler	getInputHandlerByName (str name)
	Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified name. More...

DRegularGridInputHandler	getInputHandlerByFileExtension (str file_ext)
	Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified file extension. More...

DRegularGridInputHandler	getInputHandlerByFileName (str file_name)
	Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format matching the extension of file_name. More...

DRegularGridInputHandler	getInputHandlerByMimeType (str mime_type)
	Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified mime-type. More...

bool	unregisterInputHandler (Base.DataFormat fmt)
	Unregisters the Grid.DRegularGridInputHandler implementation instance for the specified data format. More...

None	unregisterInputHandler (int idx)
	Unregisters the Grid.DRegularGridInputHandler implementation instance with the specified index. More...

bool	unregisterInputHandler (DRegularGridInputHandler handler)
	Unregisters the specified Grid.DRegularGridInputHandler implementation instance. More...

int	getNumInputHandlers ()
	Returns the number of registered Grid.DRegularGridInputHandler implementation instances. More...

InputHandlerSequence	getInputHandlers ()

None	registerOutputHandler (DRegularGridOutputHandler handler)
	Registers the specified Grid.DRegularGridOutputHandler implementation instance. More...

DRegularGridOutputHandler	getOutputHandler (int idx)
	Returns a reference to the registered Grid.DRegularGridOutputHandler implementation instance with the specified index. More...

DRegularGridOutputHandler	getOutputHandlerByFormat (Base.DataFormat fmt)
	Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the specified data format. More...

DRegularGridOutputHandler	getOutputHandlerByName (str name)
	Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified name. More...

DRegularGridOutputHandler	getOutputHandlerByFileExtension (str file_ext)
	Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified file extension. More...

DRegularGridOutputHandler	getOutputHandlerByFileName (str file_name)
	Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format matching the extension of file_name. More...

DRegularGridOutputHandler	getOutputHandlerByMimeType (str mime_type)
	Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified mime-type. More...

bool	unregisterOutputHandler (Base.DataFormat fmt)
	Unregisters the Grid.DRegularGridOutputHandler implementation instance for the specified data format. More...

None	unregisterOutputHandler (int idx)
	Unregisters the Grid.DRegularGridOutputHandler implementation instance with the specified index. More...

bool	unregisterOutputHandler (DRegularGridOutputHandler handler)
	Unregisters the specified Grid.DRegularGridOutputHandler implementation instance. More...

int	getNumOutputHandlers ()
	Returns the number of registered Grid.DRegularGridOutputHandler implementation instances. More...

OutputHandlerSequence	getOutputHandlers ()

Static Public Attributes
	inputHandlers = _HIDDEN_VALUE_

int	numInputHandlers = 3

	outputHandlers = _HIDDEN_VALUE_

int	numOutputHandlers = 3

Detailed Description

A singleton class that serves as a global registry for Grid.DRegularGridInputHandler and Grid.DRegularGridOutputHandler implementation instances.

DataIOManager provides static methods for the registration and lookup of Grid.DRegularGridInputHandler and Grid.DRegularGridOutputHandler implementation instances that handle different input and output storage formats.

Input and output handlers are registered by the methods registerInputHandler() and registerOutputHandler(). These methods expect a reference to an instance of the respective handler implementation as an argument (please note that the registered instance must not be destroyed as long as it is accessible via the DataIOManager interface!).

For the removal of registered handlers the unregisterInputHandler() and unregisterOutputHandler() family of overloaded methods is provided. These methods accept a reference to the registered handler instance, the handler index, the handled data format or an iterator pointing to the handler as an argument.

Registered input handlers can be queried by the methods getInputHandlerByFormat(), getInputHandlerByName(), getInputHandlerByFileExtension() and getInputHandlerByMimeType(), which allow to find a suitable handler for a given data format, data format name, file extension or mime-type. For the registered output handlers similar methods are provided.

I/O handlers for data formats and object types supported by the CDPL are registered in the static library initialization code. These built-in handlers are accessible by the linking client code as soon as the library initialization has finished.

Member Function Documentation

◆ registerInputHandler()

None CDPL.Grid.DRegularGridIOManager.registerInputHandler ( DRegularGridInputHandler handler )

static

Registers the specified Grid.DRegularGridInputHandler implementation instance.

Parameters

handler The Grid.DRegularGridInputHandler implementation instance to register.

◆ getInputHandler()

DRegularGridInputHandler CDPL.Grid.DRegularGridIOManager.getInputHandler ( int idx )

static

Returns a reference to the registered Grid.DRegularGridInputHandler implementation instance with the specified index.

Parameters

idx	The zero-based index of the Grid.DRegularGridInputHandler implementation instance to return.

Returns: A reference to the Grid.DRegularGridInputHandler implementation instance with the specified index.

Exceptions

Base.IndexError if idx is out of bounds.

◆ getInputHandlerByFormat()

DRegularGridInputHandler CDPL.Grid.DRegularGridIOManager.getInputHandlerByFormat ( Base.DataFormat fmt )

static

Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the specified data format.

Parameters

fmt	Specifies the data format that is associated with the requested Grid.DRegularGridInputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridInputHandler implementation instance registered for the specified data format, or None if not available.

◆ getInputHandlerByName()

DRegularGridInputHandler CDPL.Grid.DRegularGridIOManager.getInputHandlerByName ( str name )

static

Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified name.

Parameters

name	Specifies the name of the data format that is associated with the requested Grid.DRegularGridInputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified name, or None if not available.

Note: The matching of the name is not case-sensitive.

◆ getInputHandlerByFileExtension()

DRegularGridInputHandler CDPL.Grid.DRegularGridIOManager.getInputHandlerByFileExtension ( str file_ext )

static

Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified file extension.

Parameters

file_ext Specifies the file extension of the data format that is associated with the requested Grid.DRegularGridInputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified file extension, or None if not available.

Note: The matching of the file extension is not case-sensitive.

◆ getInputHandlerByFileName()

DRegularGridInputHandler CDPL.Grid.DRegularGridIOManager.getInputHandlerByFileName ( str file_name )

static

Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format matching the extension of file_name.

Parameters

file_name Specifies the file name for which to search for a data format that matches its extension.

Returns: A reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format matching the extension of file_name, or None if not available.

Note: The matching of the file extension is not case-sensitive.

◆ getInputHandlerByMimeType()

DRegularGridInputHandler CDPL.Grid.DRegularGridIOManager.getInputHandlerByMimeType ( str mime_type )

static

Returns a reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified mime-type.

Parameters

mime_type Specifies the mime-type of the data format that is associated with the requested Grid.DRegularGridInputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridInputHandler implementation instance registered for the data format with the specified mime-type, or None if not available.

Note: The matching of the mime-type is not case-sensitive.

◆ unregisterInputHandler() [1/3]

bool CDPL.Grid.DRegularGridIOManager.unregisterInputHandler ( Base.DataFormat fmt )

static

Unregisters the Grid.DRegularGridInputHandler implementation instance for the specified data format.

Only one handler instance at a time will be unregistered (in a first in - first out manner). If more than one handler instance has been registered for the given data format, the method has to be called multiple times to unregister all instances.

Parameters

fmt	Specifies the data format that is associated with the handler instance to unregister.

Returns: True if a handler instance for the specified data format was found and has been unregistered, and False otherwise.

◆ unregisterInputHandler() [2/3]

None CDPL.Grid.DRegularGridIOManager.unregisterInputHandler ( int idx )

static

Unregisters the Grid.DRegularGridInputHandler implementation instance with the specified index.

Parameters

idx	The zero-based index of the Grid.DRegularGridInputHandler implementation instance to unregister.

Exceptions

Base.IndexError if idx is out of bounds.

◆ unregisterInputHandler() [3/3]

bool CDPL.Grid.DRegularGridIOManager.unregisterInputHandler ( DRegularGridInputHandler handler )

static

Unregisters the specified Grid.DRegularGridInputHandler implementation instance.

Parameters

handler The Grid.DRegularGridInputHandler implementation instance to unregister.

Returns: True if the handler instance was found and has been unregistered, and False otherwise.

◆ getNumInputHandlers()

int CDPL.Grid.DRegularGridIOManager.getNumInputHandlers ( )

static

Returns the number of registered Grid.DRegularGridInputHandler implementation instances.

Returns: The number of registered Grid.DRegularGridInputHandler implementation instances.

◆ getInputHandlers()

InputHandlerSequence CDPL.Grid.DRegularGridIOManager.getInputHandlers ( )

static

Parameters

<br>

Returns

◆ registerOutputHandler()

None CDPL.Grid.DRegularGridIOManager.registerOutputHandler ( DRegularGridOutputHandler handler )

static

Registers the specified Grid.DRegularGridOutputHandler implementation instance.

Parameters

handler The Grid.DRegularGridOutputHandler implementation instance to register.

◆ getOutputHandler()

DRegularGridOutputHandler CDPL.Grid.DRegularGridIOManager.getOutputHandler ( int idx )

static

Returns a reference to the registered Grid.DRegularGridOutputHandler implementation instance with the specified index.

Parameters

idx	The zero-based index of the Grid.DRegularGridOutputHandler implementation instance to return.

Returns: A reference to the Grid.DRegularGridOutputHandler implementation instance with the specified index.

Exceptions

Base.IndexError if idx is out of bounds.

◆ getOutputHandlerByFormat()

DRegularGridOutputHandler CDPL.Grid.DRegularGridIOManager.getOutputHandlerByFormat ( Base.DataFormat fmt )

static

Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the specified data format.

Parameters

fmt	Specifies the data format that is associated with the requested Grid.DRegularGridOutputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridOutputHandler implementation instance registered for the specified data format, or None if not available.

◆ getOutputHandlerByName()

DRegularGridOutputHandler CDPL.Grid.DRegularGridIOManager.getOutputHandlerByName ( str name )

static

Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified name.

Parameters

name	Specifies the name of the data format that is associated with the requested Grid.DRegularGridOutputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified name, or None if not available.

Note: The matching of the name is not case-sensitive.

◆ getOutputHandlerByFileExtension()

DRegularGridOutputHandler CDPL.Grid.DRegularGridIOManager.getOutputHandlerByFileExtension ( str file_ext )

static

Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified file extension.

Parameters

file_ext Specifies the file extension of the data format that is associated with the requested Grid.DRegularGridOutputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified file extension, or None if not available.

Note: The matching of the file extension is not case-sensitive.

◆ getOutputHandlerByFileName()

DRegularGridOutputHandler CDPL.Grid.DRegularGridIOManager.getOutputHandlerByFileName ( str file_name )

static

Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format matching the extension of file_name.

Parameters

file_name Specifies the file name for which to search for a data format that matches its extension.

Returns: A reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format matching the extension of file_name, or None if not available.

Note: The matching of the file extension is not case-sensitive.

◆ getOutputHandlerByMimeType()

DRegularGridOutputHandler CDPL.Grid.DRegularGridIOManager.getOutputHandlerByMimeType ( str mime_type )

static

Returns a reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified mime-type.

Parameters

mime_type Specifies the mime-type of the data format that is associated with the requested Grid.DRegularGridOutputHandler implementation instance.

Returns: A reference to a Grid.DRegularGridOutputHandler implementation instance registered for the data format with the specified mime-type, or None if not available.

Note: The matching of the mime-type is not case-sensitive.

◆ unregisterOutputHandler() [1/3]

bool CDPL.Grid.DRegularGridIOManager.unregisterOutputHandler ( Base.DataFormat fmt )

static

Unregisters the Grid.DRegularGridOutputHandler implementation instance for the specified data format.

Only one handler instance at a time will be unregistered (in a first in - first out manner). If more than one handler instance has been registered for the given data format, the method has to be called multiple times to unregister all instances.

Parameters

fmt	Specifies the data format that is associated with the handler instance to unregister.

Returns: True if a handler instance for the specified data format was found and has been unregistered, and False otherwise.

◆ unregisterOutputHandler() [2/3]

None CDPL.Grid.DRegularGridIOManager.unregisterOutputHandler ( int idx )

static

Unregisters the Grid.DRegularGridOutputHandler implementation instance with the specified index.

Parameters

idx	The zero-based index of the Grid.DRegularGridOutputHandler implementation instance to unregister.

Exceptions

Base.IndexError if idx is out of bounds.

◆ unregisterOutputHandler() [3/3]

bool CDPL.Grid.DRegularGridIOManager.unregisterOutputHandler ( DRegularGridOutputHandler handler )

static

Unregisters the specified Grid.DRegularGridOutputHandler implementation instance.

Parameters

handler The Grid.DRegularGridOutputHandler implementation instance to unregister.

Returns: True if the handler instance was found and has been unregistered, and False otherwise.

◆ getNumOutputHandlers()

int CDPL.Grid.DRegularGridIOManager.getNumOutputHandlers ( )

static

Returns the number of registered Grid.DRegularGridOutputHandler implementation instances.

Returns: The number of registered Grid.DRegularGridOutputHandler implementation instances.

◆ getOutputHandlers()

OutputHandlerSequence CDPL.Grid.DRegularGridIOManager.getOutputHandlers ( )

static

Parameters

<br>

Returns

Classes

Static Public Member Functions

Static Public Attributes

Detailed Description

Member Function Documentation

◆ registerInputHandler()

◆ getInputHandler()

◆ getInputHandlerByFormat()

◆ getInputHandlerByName()

◆ getInputHandlerByFileExtension()

◆ getInputHandlerByFileName()

◆ getInputHandlerByMimeType()

◆ unregisterInputHandler() [1/3]

◆ unregisterInputHandler() [2/3]

◆ unregisterInputHandler() [3/3]

◆ getNumInputHandlers()

◆ getInputHandlers()

◆ registerOutputHandler()

◆ getOutputHandler()

◆ getOutputHandlerByFormat()

◆ getOutputHandlerByName()

◆ getOutputHandlerByFileExtension()

◆ getOutputHandlerByFileName()

◆ getOutputHandlerByMimeType()

◆ unregisterOutputHandler() [1/3]

◆ unregisterOutputHandler() [2/3]

◆ unregisterOutputHandler() [3/3]

◆ getNumOutputHandlers()

◆ getOutputHandlers()