Package org.serviceconnector.cmd

Class FlyweightCommandFactory

java.lang.Object

org.serviceconnector.cmd.FlyweightCommandFactory

Direct Known Subclasses:

ServerCommandFactory, ServiceConnectorCommandFactory

public abstract class FlyweightCommandFactory
extends Object

A factory for creating FlyweightCommand objects. Factory is based on the Flyweight pattern (http://www.allapplabs.com/java_design_patterns/flyweight_pattern.htm). Commands are only instantiated one time. Factory is always returning the same instance from a map.

Field Summary

Fields

Modifier and Type	Field	Description
protected static Map<String,ICommand>	commands	The map stores base instances by a key.

Constructor Summary

Constructors

Constructor	Description
FlyweightCommandFactory()	Instantiates a new flyweight command factory.

Method Summary

Modifier and Type	Method	Description
void	addCommand(SCMPMsgType messageType, ICommand command)	Adds the command.
ICommand	getCommand(SCMPMsgType key)	Gets the command.

Methods inherited from class java.lang.Object

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

Field Details

commands

protected static Map<String,ICommand> commands

The map stores base instances by a key.

Constructor Details

FlyweightCommandFactory

public FlyweightCommandFactory()

Instantiates a new flyweight command factory.

Method Details

addCommand

public void addCommand(SCMPMsgType messageType,
 ICommand command)

Adds the command.

Parameters:

messageType - the message type

command - the command

getCommand

public ICommand getCommand(SCMPMsgType key)

Gets the command.

Parameters:

key - the key

Returns:

the command