jimm.datavision.gui.cmd
Class TableJoinCommand

java.lang.Object
  extended by jimm.datavision.gui.cmd.CommandAdapter
      extended by jimm.datavision.gui.cmd.TableJoinCommand
All Implemented Interfaces:
Command, Nameable

public class TableJoinCommand
extends CommandAdapter

A command for changing a field's table join.

Author:
Jim Menard, jimm@io.com

Field Summary
protected  java.util.Collection newJoins
           
protected  java.util.Collection origJoins
           
protected  Query query
           
 
Fields inherited from class jimm.datavision.gui.cmd.CommandAdapter
name
 
Constructor Summary
TableJoinCommand(Query query, java.util.Collection joins)
           
 
Method Summary
 void perform()
          Performs the command.
 void undo()
          Undoes the command.
 
Methods inherited from class jimm.datavision.gui.cmd.CommandAdapter
getName, redo, setName
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

query

protected Query query

newJoins

protected java.util.Collection newJoins

origJoins

protected java.util.Collection origJoins
Constructor Detail

TableJoinCommand

public TableJoinCommand(Query query,
                        java.util.Collection joins)
Method Detail

perform

public void perform()
Description copied from class: CommandAdapter
Performs the command. The default implementation does nothing.

Specified by:
perform in interface Command
Overrides:
perform in class CommandAdapter

undo

public void undo()
Description copied from class: CommandAdapter
Undoes the command. The default implementation does nothing.

Specified by:
undo in interface Command
Overrides:
undo in class CommandAdapter