oracle.jdeveloper.java

Class JavaManager.TransactionCommand

java.lang.Object

oracle.ide.controller.Command

oracle.jdeveloper.java.JavaManager.TransactionCommand

Enclosing class:

JavaManager

protected class JavaManager.TransactionCommand
extends Command

A Command implementation that wraps a committed transaction. This will take care of IDE integration issues such as Undo support and notification.

Field Summary

Fields inherited from class oracle.ide.controller.Command

CANCEL, context, EXECUTING, MULTI_NODE, NO_CHANGE, NO_UNDO, NORMAL, OK, type

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TransactionCommand(javax.swing.undo.UndoableEdit undoableEdit, java.net.URL url, TransactionDescriptor descriptor) Constructs a new EditCommand for editing the specified Document using the provided Edit instance.
protected	TransactionCommand(java.net.URL url) Constructs a new EditCommand for editing the specified Document using the provided Edit instance.

Method Summary

Modifier and Type	Method and Description
int	doit() Executes the actions associated with a specific command.
int	undo() Called by the CommandProcessor to undo a command When a command executes successfully, implementations should return OK, otherwise, return CANCEL or any other non-zero value.

Methods inherited from class oracle.ide.controller.Command

enableConfirmation, getAffectedNodes, getContext, getData, getId, getName, getProgressHandle, getType, isGlobal, setContext, setData, setTaskInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionCommand

protected TransactionCommand(java.net.URL url)

Constructs a new EditCommand for editing the specified Document using the provided Edit instance. The origin is used in the UpdateMessage sent, so that Addins can identify which UpdateMessages originated from themselves. This transaction is not undoable.

TransactionCommand

protected TransactionCommand(javax.swing.undo.UndoableEdit undoableEdit,
                             java.net.URL url,
                             TransactionDescriptor descriptor)

Constructs a new EditCommand for editing the specified Document using the provided Edit instance. The origin is used in the UpdateMessage sent, so that Addins can identify which UpdateMessages originated from themselves. This transaction is undoable.

Method Detail

doit

public final int doit()
               throws java.lang.Exception

Executes the actions associated with a specific command. When a command executes successfully, implementations should return OK, otherwise, return CANCEL or any other non-zero value.

Specified by:

doit in class Command

Returns:

OK if the command completes successfully, CANCEL otherwise

Throws:

java.lang.Exception

undo

public final int undo()
               throws java.lang.Exception

Called by the CommandProcessor to undo a command When a command executes successfully, implementations should return OK, otherwise, return CANCEL or any other non-zero value.

Overrides:

undo in class Command

Returns:

OK if the command completes successfully, CANCEL otherwise

Throws:

java.lang.Exception