Package kieker.monitoring.core.controller

Class AbstractController

java.lang.Object

kieker.monitoring.core.controller.AbstractController

Direct Known Subclasses:

JMXController, MonitoringController, ProbeController, SamplingController, StateController, TCPController, TimeSourceController, WriterController

public abstract class AbstractController
extends Object

Since:

1.3

Author:

Jan Waller

Field Summary

Fields

Modifier and Type	Field	Description
protected MonitoringController	monitoringController

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractController(Configuration configuration)	Default constructor.

Method Summary

Modifier and Type	Method	Description
protected abstract void	cleanup()	This method should clean up.
protected static final <C> C	createAndInitialize(Class<C> c, String classname, Configuration configuration)	This is a helper method trying to find, create and initialize the given class, using its public constructor which accepts a single Configuration.
protected abstract void	init()	This method should to the initialization work.
protected final boolean	isTerminated()	Returns whether this controller is terminated.
protected final void	setMonitoringController(MonitoringController monitoringController)	Sets and initializes the monitoring controller, if it has not been set yet.
protected final boolean	terminate()	Permanently terminates this controller.
abstract String	toString()

Methods inherited from class java.lang.Object

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

Field Details

monitoringController

protected volatile MonitoringController monitoringController

Constructor Details

AbstractController

protected AbstractController(Configuration configuration)

Default constructor.

Parameters:

configuration - The configuration for this controller.

Method Details

setMonitoringController

protected final void setMonitoringController(MonitoringController monitoringController)

Sets and initializes the monitoring controller, if it has not been set yet.

Parameters:

monitoringController - The monitoring controller.

terminate

protected final boolean terminate()

Permanently terminates this controller.

Returns:

true iff the controller was terminated.

See Also:

• isTerminated()

isTerminated

protected final boolean isTerminated()

Returns whether this controller is terminated.

Returns:

true if terminated

See Also:

• terminate()

init

protected abstract void init()

This method should to the initialization work.

cleanup

protected abstract void cleanup()

This method should clean up.

toString

public abstract String toString()

Overrides:

toString in class Object

createAndInitialize

protected static final <C> C createAndInitialize(Class<C> c,
 String classname,
 Configuration configuration)

This is a helper method trying to find, create and initialize the given class, using its public constructor which accepts a single Configuration.

Type Parameters:

C - The type of the returned class.

Parameters:

c - This class defines the expected result of the method call.

classname - The name of the class to be created.

configuration - The configuration which will be used to initialize the class in question.

Returns:

A new and initializes class instance if everything went well.