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org.eclipse.emf.mapping.command
Class CreateMappingCommand

java.lang.Object
  org.eclipse.emf.common.command.AbstractCommand
      org.eclipse.emf.mapping.command.CreateMappingCommand

All Implemented Interfaces:

Command

public class CreateMappingCommand

extends AbstractCommand

The create mapping command creates a new mapping in a MappingDomain from a set of the domain's input and output objects.

Nested Class Summary

Nested classes inherited from class org.eclipse.emf.common.command.AbstractCommand

AbstractCommand.NonDirtying

Field Summary

protected static String	DESCRIPTION This cachaes the description.
protected MappingDomain	domain This keeps track of the mapping domain in which the command operates.
static int	ENABLE_ALL Deprecated. - use MappingDomain.ENABLE_ALL
static int	ENABLE_EMPTY_INPUTS Deprecated. - use MappingDomain.ENABLE_EMPTY_INPUTS
static int	ENABLE_EMPTY_OUTPUTS Deprecated. - use MappingDomain.ENABLE_EMPTY_OUTPUTS
static int	ENABLE_INCOMPATIBLE_METAOBJECTS Deprecated. - use MappingDomain.ENABLE_INCOMPATIBLE_METAOBJECTS
static int	ENABLE_INCOMPATIBLE_TYPE_CLASSIFIERS Deprecated. - use MappingDomain.ENABLE_INCOMPATIBLE_TYPE_CLASSIFIERS
static int	ENABLE_MAPPED_INPUTS Deprecated. - use MappingDomain.ENABLE_MULTIPLE_INPUT_MAPPINGS
static int	ENABLE_MAPPED_OUTPUTS Deprecated. - use MappingDomain.ENABLE_MULTIPLE_OUTPUT_MAPPINGS
static int	ENABLE_MULTIPLE_INPUTS Deprecated. - use MappingDomain.ENABLE_MULTIPLE_INPUTS
static int	ENABLE_MULTIPLE_OUTPUTS Deprecated. - use MappingDomain.ENABLE_MULTIPLE_OUTPUTS
static int	ENABLE_UNMAPPED_PARENTS Deprecated. - use MappingDomain.ENABLE_UNMAPPED_PARENTS
protected Collection	inputs This keeps track of the input objects that are to be mapped.
protected static String	LABEL This caches the label.
protected Mapping	newMapping This is set during execute() to record the new mapping that is created.
protected Collection	outputs This keeps track of the output objects that are to be mapped.
protected Command	subcommand This is set during execute() to record the command used to add the newly created mapping to the mapping root.

Fields inherited from class org.eclipse.emf.common.command.AbstractCommand

description, isExecutable, isPrepared, label

Constructor Summary

CreateMappingCommand(MappingDomain domain, Collection collection)
This creates a command that creates a new mapping involving the given domain's collection of input and output objects.

CreateMappingCommand(MappingDomain domain, Collection collection, int enablementFlags)
Deprecated.

Method Summary

static Command	create(MappingDomain domain, Collection collection) This creates a command that creates a new mapping involving the given domain's collection of input and output objects.
static Command	create(MappingDomain domain, Collection inputs, Collection outputs) This creates a command that creates a new mapping with the given collections of inputs and outputs.
static Command	create(MappingDomain domain, Collection inputs, Object output) This creates a command that creates a new mapping with the given collection of inputs and output.
static Command	create(MappingDomain domain, Object input, Collection outputs) This creates a command that creates a new mapping with the given input and collection of outputs.
static Command	create(MappingDomain domain, Object input, Object output) This creates a command that creates a new mapping between the given input and output.
void	dispose() Called to indicate that the command will never be used again.
void	execute() Performs the command activity required for the effect.
Collection	getAffectedObjects() Returns an empty list.
String	getDescription() Returns a string suitable to help describe the effect of this command.
String	getLabel() Returns a string suitable to represent the label that identifies this command.
Collection	getResult() Returns an empty list.
protected boolean	prepare() Called at most once in AbstractCommand.canExecute() to give the command an opportunity to ready itself for execution.
void	redo() Performs the command activity required to redo the effect after undoing the effect.
String	toString() This gives an abbreviated name using this object's own class' name, without package qualification, followed by a space separated list of field:value pairs.
void	undo() Throws a runtime exception.

Methods inherited from class org.eclipse.emf.common.command.AbstractCommand

canExecute, canUndo, chain, setDescription, setLabel

Methods inherited from class java.lang.Object

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

Field Detail

ENABLE_MULTIPLE_INPUTS

public static final int ENABLE_MULTIPLE_INPUTS

Deprecated. - use MappingDomain.ENABLE_MULTIPLE_INPUTS

See Also:

Constant Field Values

ENABLE_MULTIPLE_OUTPUTS

public static final int ENABLE_MULTIPLE_OUTPUTS

Deprecated. - use MappingDomain.ENABLE_MULTIPLE_OUTPUTS

See Also:

Constant Field Values

ENABLE_MAPPED_INPUTS

public static final int ENABLE_MAPPED_INPUTS

Deprecated. - use MappingDomain.ENABLE_MULTIPLE_INPUT_MAPPINGS

See Also:

Constant Field Values

ENABLE_MAPPED_OUTPUTS

public static final int ENABLE_MAPPED_OUTPUTS

Deprecated. - use MappingDomain.ENABLE_MULTIPLE_OUTPUT_MAPPINGS

See Also:

Constant Field Values

ENABLE_INCOMPATIBLE_METAOBJECTS

public static final int ENABLE_INCOMPATIBLE_METAOBJECTS

Deprecated. - use MappingDomain.ENABLE_INCOMPATIBLE_METAOBJECTS

See Also:

Constant Field Values

ENABLE_INCOMPATIBLE_TYPE_CLASSIFIERS

public static final int ENABLE_INCOMPATIBLE_TYPE_CLASSIFIERS

Deprecated. - use MappingDomain.ENABLE_INCOMPATIBLE_TYPE_CLASSIFIERS

See Also:

Constant Field Values

ENABLE_EMPTY_INPUTS

public static final int ENABLE_EMPTY_INPUTS

Deprecated. - use MappingDomain.ENABLE_EMPTY_INPUTS

See Also:

Constant Field Values

ENABLE_EMPTY_OUTPUTS

public static final int ENABLE_EMPTY_OUTPUTS

Deprecated. - use MappingDomain.ENABLE_EMPTY_OUTPUTS

See Also:

Constant Field Values

ENABLE_UNMAPPED_PARENTS

public static final int ENABLE_UNMAPPED_PARENTS

Deprecated. - use MappingDomain.ENABLE_UNMAPPED_PARENTS

See Also:

Constant Field Values

ENABLE_ALL

public static final int ENABLE_ALL

Deprecated. - use MappingDomain.ENABLE_ALL

See Also:

Constant Field Values

LABEL

protected static final String LABEL

This caches the label.

DESCRIPTION

protected static final String DESCRIPTION

This cachaes the description.

domain

protected MappingDomain domain

This keeps track of the mapping domain in which the command operates.

inputs

protected Collection inputs

This keeps track of the input objects that are to be mapped.

outputs

protected Collection outputs

This keeps track of the output objects that are to be mapped.

newMapping

protected Mapping newMapping

This is set during execute() to record the new mapping that is created.

subcommand

protected Command subcommand

This is set during execute() to record the command used to add the newly created mapping to the mapping root.

Constructor Detail

CreateMappingCommand

public CreateMappingCommand(MappingDomain domain,
                            Collection collection,
                            int enablementFlags)

Deprecated.

CreateMappingCommand

public CreateMappingCommand(MappingDomain domain,
                            Collection collection)

This creates a command that creates a new mapping involving the given domain's collection of input and output objects.

Method Detail

create

public static Command create(MappingDomain domain,
                             Collection collection)

This creates a command that creates a new mapping involving the given domain's collection of input and output objects.

create

public static Command create(MappingDomain domain,
                             Object input,
                             Object output)

This creates a command that creates a new mapping between the given input and output.

create

public static Command create(MappingDomain domain,
                             Collection inputs,
                             Collection outputs)

This creates a command that creates a new mapping with the given collections of inputs and outputs.

create

public static Command create(MappingDomain domain,
                             Collection inputs,
                             Object output)

This creates a command that creates a new mapping with the given collection of inputs and output.

create

public static Command create(MappingDomain domain,
                             Object input,
                             Collection outputs)

This creates a command that creates a new mapping with the given input and collection of outputs.

prepare

protected boolean prepare()

Description copied from class: AbstractCommand

Called at most once in AbstractCommand.canExecute() to give the command an opportunity to ready itself for execution. The returned value is stored in AbstractCommand.canExecute(). In other words, you can override this method to initialize and to yield a cached value for the all subsequent calls to canExecute.

Overrides:

prepare in class AbstractCommand

Returns:

whether the command is executable.

execute

public void execute()

Description copied from interface: Command

Performs the command activity required for the effect. The effect of calling execute when canExecute returns false, or when canExecute hasn't been called, is undefined.

undo

public void undo()

Description copied from class: AbstractCommand

Throws a runtime exception.

Specified by:

undo in interface Command

Overrides:

undo in class AbstractCommand

redo

public void redo()

Description copied from interface: Command

Performs the command activity required to redo the effect after undoing the effect. The effect, if any, of calling redo before undo is called is undefined. Note that if you implement redo to call execute then any derived class will be restricted by that decision also.

getResult

public Collection getResult()

Description copied from class: AbstractCommand

Returns an empty list.

Specified by:

getResult in interface Command

Overrides:

getResult in class AbstractCommand

Returns:

an empty list.

getAffectedObjects

public Collection getAffectedObjects()

Description copied from class: AbstractCommand

Returns an empty list.

Specified by:

getAffectedObjects in interface Command

Overrides:

getAffectedObjects in class AbstractCommand

Returns:

an empty list.

dispose

public void dispose()

Description copied from interface: Command

Called to indicate that the command will never be used again. Calling any other method after this one has undefined results.

Specified by:

dispose in interface Command

Overrides:

dispose in class AbstractCommand

getLabel

public String getLabel()

Description copied from interface: Command

Returns a string suitable to represent the label that identifies this command.

Specified by:

getLabel in interface Command

Overrides:

getLabel in class AbstractCommand

getDescription

public String getDescription()

Description copied from interface: Command

Returns a string suitable to help describe the effect of this command.

Specified by:

getDescription in interface Command

Overrides:

getDescription in class AbstractCommand

toString

public String toString()

This gives an abbreviated name using this object's own class' name, without package qualification, followed by a space separated list of field:value pairs.

Overrides:

toString in class AbstractCommand

Returns:

string representation.