examples.carcontrol
Class DoorServiceImpl

java.lang.Object
  de.fhg.igd.semoa.service.AbstractService
      examples.carcontrol.DoorServiceImpl

All Implemented Interfaces:

DoorService, Service

public class DoorServiceImpl

extends AbstractService

implements DoorService

Author:

Daniel Bachmann This simple service is expected by @link DoorAgent and observes the status of doors in the car

Field Summary

static String	DESCR The descriptor of the general options.
private byte	state

Fields inherited from class de.fhg.igd.semoa.service.AbstractService

REV_POSTFIX, REV_PREFIX

Fields inherited from interface examples.carcontrol.DoorService

LEFT_BACK, LEFT_FRONT, PUBLISH_KEY, REAR, RIGHT_BACK, RIGHT_FRONT

Constructor Summary

DoorServiceImpl()

Method Summary

String	author() Returns the name of the author of the service.
private void	clear(int which) Clears a bit of the status byte.
byte	getStatus() Returns current state, means the current position of all doors
String	info() Returns the informative string which should describe the service's essence in a sentence.
boolean	isOpen(int which) Returns true if door is open
static void	main(String[] argv) Main method to control the door status via service access.
String	revision() Returns the revision number of this class as a string.
private void	set(int which) Sets a bit of the status byte.
void	setStatus(int newstate) Sets the states of all doors.
String	toString() Returns the current status of the doors as string.

Methods inherited from class de.fhg.igd.semoa.service.AbstractService

checkDependencies, dependencies, docs, doPrivileged, doPrivileged, getACC, getEnvironment, majorVersion, minorVersion

Methods inherited from class java.lang.Object

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

Field Detail

DESCR

public static final String DESCR

The descriptor of the general options. Further option descriptors will be created dynamically based on the class that shall be configured.

See Also:

Constant Field Values

state

private byte state

Constructor Detail

DoorServiceImpl

public DoorServiceImpl()

Method Detail

author

public String author()

Description copied from class: AbstractService

Returns the name of the author of the service. The format to be used should be John Doe <jdoe@zilch.net>.

Specified by:

author in interface Service

Specified by:

author in class AbstractService

Returns:

the String with the author's name.

revision

public String revision()

Description copied from class: AbstractService

Returns the revision number of this class as a string. This class provides default implementations of methods majorVersion(), minorVersion based on the assumption that this method returns a revision string as generated by rcs(1) for the template "$Revision: 1.7 $/$Date: 2007-08-08 04:41:53 +0200 (Wed, 08 Aug 2007) $".

Specified by:

revision in class AbstractService

info

public String info()

Description copied from class: AbstractService

Returns the informative string which should describe the service's essence in a sentence.

Specified by:

info in interface Service

Specified by:

info in class AbstractService

Returns:

the String with the service's short description.

getStatus

public byte getStatus()

Returns current state, means the current position of all doors

Specified by:

getStatus in interface DoorService

Returns:

current state representing door position

setStatus

public void setStatus(int newstate)

Sets the states of all doors. JUST FOR TESTING PURPOSES

Specified by:

setStatus in interface DoorService

Parameters:

newstate - the new state status is set to.

isOpen

public boolean isOpen(int which)

Returns true if door is open

Specified by:

isOpen in interface DoorService

Parameters:

which - number of the door to be checked. Use the constants defined in DoorService.

Returns:

true is door is open

set

private void set(int which)

Sets a bit of the status byte. If bit is set, door is closed

Parameters:

which - number of the door to be checked. Use the constants defined in DoorService.

clear

private void clear(int which)

Clears a bit of the status byte. If bit is cleared, door is open

Parameters:

which - number of the door to be checked. Use the constants defined in DoorService.

toString

public String toString()

Returns the current status of the doors as string.

Overrides:

toString in class AbstractService

Returns:

the current status of the doors as string.

main

public static void main(String[] argv)
                 throws Exception

Main method to control the door status via service access.

Parameters:

argv -

Throws:

Exception