jtge.engine.command
Class Flow

java.lang.Object
  jtge.engine.command.Flow

All Implemented Interfaces:

ICommand, java.io.Serializable

public class Flow

extends java.lang.Object

implements ICommand

Implements a composite of commands.

Version:

$Revision: 1.5 $ $Date: 2005/09/10 23:59:42 $

Author:

Mathieu Champlon

See Also:

Serialized Form

Constructor Summary

Flow()
Create a command composite.

Method Summary

void	add(ICommand command) Add a command to the composite.
boolean	equals(java.lang.Object object)
void	execute(IContext context) Execute the command.
ICommand	filter(IFilter filter) Filter the command.
int	hashCode()
boolean	isEmpty() Check whether the flow contains commands or not.
ICommand	sort(ISorter sorter) Sort the command.
boolean	validate(IUser user) Test user right.

Methods inherited from class java.lang.Object

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

Constructor Detail

Flow

public Flow()

Create a command composite.

Method Detail

add

public final void add(ICommand command)

Add a command to the composite.

Parameters:

command - the command to add

equals

public final boolean equals(java.lang.Object object)

hashCode

public final int hashCode()

validate

public final boolean validate(IUser user)

Test user right.

Specified by:

validate in interface ICommand

Parameters:

user - the user

Returns:

whether the user has the right to issue this command or not

execute

public final void execute(IContext context)

Execute the command.

Specified by:

execute in interface ICommand

Parameters:

context - the context in which to execute the command

filter

public final ICommand filter(IFilter filter)

Filter the command.

Specified by:

filter in interface ICommand

Parameters:

filter - the filter to use

Returns:

the filtered command

isEmpty

public final boolean isEmpty()

Check whether the flow contains commands or not.

Returns:

whether the flow is empty

sort

public final ICommand sort(ISorter sorter)

Sort the command.

Specified by:

sort in interface ICommand

Parameters:

sorter - the sorter to use

Returns:

the sorted command