com.prosyst.mprm.backend.event.scheduler

Interface CustomTimeSequence

public interface CustomTimeSequence

This interface provides means for defining custom time sequences for the needs of event generator. It shall be registred in the OSGi framework of a mPRM backend host as a service in order to be called by the event scheduler service when necessary.

Since:

26/11/2002

Version:

1.0

Author:

Alexander Alexandrov

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	TIME_SEQUENCE_NAME CustomTimeSequence must be registered with this registration property specifying the name of the time sequence.

Method Summary

Modifier and Type	Method and Description
java.util.Date	getNextEventTime(java.util.Date previousEventTime) This method is called by the EventGenerator to obtain the time for firing the next event of this event sequence.

Field Detail

TIME_SEQUENCE_NAME

static final java.lang.String TIME_SEQUENCE_NAME

CustomTimeSequence must be registered with this registration property specifying the name of the time sequence. This name may be then reffered in method EventGenerator.setTimeSequence(String customTimeSequenceName).

See Also:

Constant Field Values

Method Detail

getNextEventTime

java.util.Date getNextEventTime(java.util.Date previousEventTime)
                         throws ManagementException

This method is called by the EventGenerator to obtain the time for firing the next event of this event sequence.

Parameters:

previousEventTime - the time the previous event of this sequence has been generated. Null for the first event.

Returns:

the time of the next event

Throws:

ManagementException - if this sequence cannot be continued or other error has occured