rescuecore2.components

Class ComponentLauncher

java.lang.Object

rescuecore2.components.ComponentLauncher

All Implemented Interfaces:

RequestIDGenerator

Direct Known Subclasses:

InlineComponentLauncher, TCPComponentLauncher

public abstract class ComponentLauncher
extends java.lang.Object
implements RequestIDGenerator

A class that knows how to connect components to the kernel.

Constructor Summary

Constructors

Constructor and Description
ComponentLauncher(Config config) Construct a new ComponentLauncher.

Method Summary

Modifier and Type	Method and Description
void	connect(Component c) Connect a Component to the kernel.
int	generateRequestID() Generate a request ID.
Registry	getDefaultRegistry() Get the default registry for new connections.
protected abstract Connection	makeConnection() Make a new connection.
void	setDefaultRegistry(Registry registry) Set the default registry for new connections.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComponentLauncher

public ComponentLauncher(Config config)

Construct a new ComponentLauncher.

Parameters:

config - The system configuration.

Method Detail

connect

public void connect(Component c)
             throws java.lang.InterruptedException,
                    ConnectionException,
                    ComponentConnectionException

Connect a Component to the kernel. Throws a ComponentConnectionException if the connection fails due to a kernel ConnectError message.

Parameters:

c - The component to connect.

Throws:

java.lang.InterruptedException - If the thread is interrupted before the connection attempt completes.

ConnectionException - If there is a problem communicating with the kernel.

ComponentConnectionException - If the connection fails.

generateRequestID

public int generateRequestID()

Description copied from interface: RequestIDGenerator

Generate a request ID.

Specified by:

generateRequestID in interface RequestIDGenerator

Returns:

A new, unique request ID.

setDefaultRegistry

public void setDefaultRegistry(Registry registry)

Set the default registry for new connections.

Parameters:

registry - The new default registry.

getDefaultRegistry

public Registry getDefaultRegistry()

Get the default registry for new connections.

Returns:

The default registry.

makeConnection

protected abstract Connection makeConnection()
                                      throws ConnectionException

Make a new connection.

Returns:

The new connection.

Throws:

ConnectionException - If there is a problem creating the connection.