com.sas.commands
Class BaseCommand

com.sas.commands.BaseCommand

All Implemented Interfaces:

DynamicAttributeCommandInterface, BaseEntityInterface, BaseEntityValueInterface, EntityKeyInterface, com.sas.lang.StringDataInterface, com.sas.PublicClonable, com.sas.util.Command, com.sas.util.SimpleCommand, java.lang.Cloneable, java.rmi.Remote

Direct Known Subclasses:

AddFolderCommand, AddFolderCommand, AddRowCommand, BaseEditCommand, com.sas.commands.olap.BaseOLAPCommand, BaseOLAPExportCommand, BaseRelationalExportCommand, BaseScrollCommand, BaseSelectorCommand, CancelRowInsertCommand, ClearCommand, ClearSortCommand, CommitInsertedRowCommand, CopyCommand, CopyCommand, CutCommand, CutCommand, DeleteCommand, DeleteCommand, DeleteRowCommand, DisplaySearchResultsCommand, DisplaySearchResultsCommand, ExportToExcelCommand, FilterTypeCommand, FindCommand, GoBackCommand, HideColumnCommand, HoldColumnCommand, HoldRowCommand, HttpSearchCommand, InsertRowCommand, MapBaseCommand, MapExportToExcelCommand, MapFilterSelectionsCommand, MapIdentifyCommand, MapReportLinkingCommand, MapSetMeasureCommand, MoveColumnCommand, OpenFolderCommand, OpenFolderCommand, PasteCommand, PasteCommand, PasteCommand, ReleaseAllColumnsCommand, ReleaseAllRowsCommand, ReleaseColumnCommand, ReleaseRowCommand, RenameCommand, RenameCommand, com.sas.actionprovider.support.graphics.ResizeCommand, ShowAllColumnsCommand, ShowColumnCommand, ShowColumnHeaderCommand, ShowRowHeaderCommand, SortCommand, StartSearchCommand, UpOneLevelCommand

public abstract class BaseCommand
implements DynamicAttributeCommandInterface

BaseCommand is the base class for all commands.

The logic to perform the operation is implemented in the execute() method.

Since:

3.0

See Also:

execute(java.lang.Object)

Field Summary

Fields inherited from interface com.sas.commands.DynamicAttributeCommandInterface

COMMAND_NAME_PREFIX

Constructor Summary

BaseCommand()
Default constructor

BaseCommand(java.lang.String name)
Name Constructor

Method Summary

abstract void	execute(java.lang.Object o) Executes this command.
java.util.Locale	getLocale() Returns the command's locale
java.lang.String	getName() Returns the name of the command.
static java.lang.String	getNextCommandName() Returns a unique command name.
java.lang.String	getText() Placeholder to satisy interface requirements.
boolean	isExecutable() Returns the boolean indicating whether the command is in a state that it can be executed.
boolean	isUndoable() Returns the boolean indicating whether the last operation this command executed can be undone ( rolled back ).
void	setLocale(java.util.Locale loc) Sets the command's locale
void	setName(java.lang.String name) Sets the name of the command.
void	setText(java.lang.String text) Placeholder to satisy interface requirements.
void	undo() Tells the command to undo its previous operation.

Methods inherited from class com.sas.entities.BaseEntity

clone, containsAttributeNamed, equals, equals, getAttribute, getAttribute, getAttributeCount, getAttributes, getEntityKey, getPropertyDescriptors, getStringAttribute, listAttributeNames, removeAllAttributes, removeAttribute, reset, sameEntity, setAttribute, setAttributes, setEntityKey, toString

Methods inherited from interface com.sas.entities.BaseEntityValueInterface

getAttribute, setAttribute

Methods inherited from interface com.sas.util.Command

clone

Constructor Detail

BaseCommand

public BaseCommand()

Default constructor

BaseCommand

public BaseCommand(java.lang.String name)

Name Constructor

Method Detail

getName

public java.lang.String getName()

Returns the name of the command.

Specified by:

getName in interface DynamicAttributeCommandInterface

Returns:

name of the command

See Also:

setName(java.lang.String)

setName

public void setName(java.lang.String name)

Sets the name of the command.

To ensure unique command names use the getNextCommandName() method.

Specified by:

setName in interface DynamicAttributeCommandInterface

Parameters:

name - unique name of the command.

See Also:

getName()

setLocale

public void setLocale(java.util.Locale loc)

Sets the command's locale

Parameters:

loc - the locale

See Also:

getLocale()

getLocale

public java.util.Locale getLocale()

Returns the command's locale

Returns:

locale

See Also:

setLocale(java.util.Locale)

getNextCommandName

public static java.lang.String getNextCommandName()

Returns a unique command name.

Convenience method for ensuring commands are given unique names.

Returns:

a unique name for a command.

See Also:

setName(java.lang.String)

undo

public void undo()

Tells the command to undo its previous operation.

Default operation does nothing.

Specified by:

undo in interface com.sas.util.Command

See Also:

isUndoable()

isUndoable

public boolean isUndoable()

Returns the boolean indicating whether the last operation this command executed can be undone ( rolled back ).

Default value is false

Specified by:

isUndoable in interface com.sas.util.Command

Returns:

the boolean indicating whether the last operation this command executed can be undone ( rolled back ).

See Also:

undo()

isExecutable

public boolean isExecutable()

Returns the boolean indicating whether the command is in a state that it can be executed.

Default value is true

Specified by:

isExecutable in interface com.sas.util.Command

Returns:

boolean indicating whether the command is in a state that it can be executed.

setText

public void setText(java.lang.String text)

Placeholder to satisy interface requirements.

Does nothing

Specified by:

setText in interface com.sas.lang.StringDataInterface

Parameters:

text - the command's text

See Also:

getText()

getText

public java.lang.String getText()

Placeholder to satisy interface requirements.

Specified by:

getText in interface com.sas.lang.StringDataInterface

Returns:

null

See Also:

setText(java.lang.String)

execute

public abstract void execute(java.lang.Object o)

Executes this command.

Specified by:

execute in interface com.sas.util.SimpleCommand

Parameters:

o - The output stream to which the results of this command should be written.