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SUMMARY: INNER | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--org.eclipse.emf.common.command.AbstractCommand | +--org.eclipse.emf.common.command.IdentityCommand
A command that always produces the same result.
Field Summary | |
static IdentityCommand |
INSTANCE
An empty instance of this object. |
protected java.util.Collection |
result
Keeps track of the result returned from getResult() . |
Fields inherited from class org.eclipse.emf.common.command.AbstractCommand |
description, isExecutable, isPrepared, label |
Constructor Summary | |
IdentityCommand()
Creates an empty instance. |
|
IdentityCommand(java.util.Collection result)
Creates an instance with the given result collection. |
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IdentityCommand(java.lang.Object result)
Creates an instance with a result collection containing the given result object. |
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IdentityCommand(java.lang.String label)
Creates an instance with the given label. |
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IdentityCommand(java.lang.String label,
java.util.Collection result)
Creates an instance with the given label the result collection. |
|
IdentityCommand(java.lang.String label,
java.lang.Object result)
Creates an instance with the given label and a result collection containing the given result object. |
|
IdentityCommand(java.lang.String label,
java.lang.String description)
Creates an instance with the given label and description. |
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IdentityCommand(java.lang.String label,
java.lang.String description,
java.util.Collection result)
Creates an instance with the given label, description, result collection. |
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IdentityCommand(java.lang.String label,
java.lang.String description,
java.lang.Object result)
Creates an instance with the given label, description, and a result collection containing the given result object. |
Method Summary | |
boolean |
canExecute()
Returns true . |
void |
execute()
Do nothing. |
java.lang.String |
getDescription()
Returns a string suitable to help describe the effect of this command. |
java.lang.String |
getLabel()
Returns a string suitable to represent the label that identifies this command. |
java.util.Collection |
getResult()
Return the identity result. |
void |
redo()
Do nothing. |
void |
undo()
Do nothing. |
Methods inherited from class org.eclipse.emf.common.command.AbstractCommand |
canUndo, chain, dispose, getAffectedObjects, prepare, setDescription, setLabel, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
public static final IdentityCommand INSTANCE
protected java.util.Collection result
getResult()
.Constructor Detail |
public IdentityCommand()
public IdentityCommand(java.lang.Object result)
result
- the one object in the result collection.public IdentityCommand(java.util.Collection result)
result
- the result collection.public IdentityCommand(java.lang.String label)
label
- the label.public IdentityCommand(java.lang.String label, java.lang.Object result)
label
- the label.result
- the one object in the result collection.public IdentityCommand(java.lang.String label, java.util.Collection result)
label
- the label.result
- the result collection.public IdentityCommand(java.lang.String label, java.lang.String description)
label
- the label.description
- the description.public IdentityCommand(java.lang.String label, java.lang.String description, java.lang.Object result)
label
- the label.description
- the description.result
- the one object in the result collection.public IdentityCommand(java.lang.String label, java.lang.String description, java.util.Collection result)
label
- the label.description
- the description.result
- the result collection.Method Detail |
public boolean canExecute()
true
.canExecute
in class AbstractCommand
true
.public void execute()
public void undo()
undo
in class AbstractCommand
org.eclipse.emf.common.command.AbstractCommand
UnsupportedOperationException
- always.public void redo()
public java.lang.String getLabel()
Command
getLabel
in class AbstractCommand
org.eclipse.emf.common.command.Command
public java.lang.String getDescription()
Command
getDescription
in class AbstractCommand
org.eclipse.emf.common.command.Command
public java.util.Collection getResult()
getResult
in class AbstractCommand
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Copyright 2001-2002 IBM Corporation and others. All Rights Reserved. |
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