cern.cmw.mom.mapping.MappingService Class Reference

List of all members.

Static Public Member Functions
static String	mapPropertyToTopic (String deviceClass, String deviceName, String propertyName) throws MOMException
static String	mapCycleSelectorToSelector (String cycle) throws MOMException
Static Public Attributes
static final String	CYCLE_SELECTOR_PROPERTY = "CYCLE_SELECTOR"

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Detailed Description

Service class. Provides mapping functionalities to :

• associate a class/device/property triplet to the corresponding topic
• associate a cycle selector to the corresponding subscription selector

The device topic namespace starts at CMW.DEVICES. Static field CYCLE_SELECTOR_PROPERTY determines the message string property that handles a cycle selector string.

Version:

1.0 23 Jan 2001

Author:

Controls Middleware Project

See also:

cern.cmw.mom.pubsub.Publisher

cern.cmw.mom.pubsub.Subscriber

cern.cmw.mom.util.TopicAdminHelper

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Member Function Documentation

static String cern.cmw.mom.mapping.MappingService.mapCycleSelectorToSelector

(

String

cycle

)

throws MOMException [static]

Static method to automatically create the message selector associated with the given cycle selector string

Parameters:

cycle

The cycle selector string representation

Returns:

String The corresponding message selector. If cycle is null, the message selector filters on null CYCLE_SELECTOR_PROPERTY.

Exceptions:

MOMException

A MOMException

References cern.cmw.mom.mapping.MappingService.CYCLE_SELECTOR_PROPERTY.

static String cern.cmw.mom.mapping.MappingService.mapPropertyToTopic	(	String	deviceClass,
		String	deviceName,
		String	propertyName
	)			throws MOMException [static]

Static method to automatically get the topic name associated with the triplet deviceClass, deviceName, propertyName

Parameters:

	deviceClass	The device class
	deviceName	The device name
	propertyName	The property name

Returns:

String The topic associated to the triplet

Exceptions:

MOMException

A MOMException

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Member Data Documentation

final String cern.cmw.mom.mapping.MappingService.CYCLE_SELECTOR_PROPERTY = "CYCLE_SELECTOR" [static]

Static field that holds the property name to be used for filtering on cycle selector.

Referenced by cern.cmw.mom.mapping.MappingService.mapCycleSelectorToSelector().

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The documentation for this class was generated from the following file:

• MappingService.java