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Working with Formula Editor > PP.Ufe > Classes > ExpressionService

ExpressionService

Namespace: PP.Ufe;

Inheritance hierarchy

Object

PPService

ExpressionService

Description

The ExpressionService class is used to work with a service of express report expressions.

Syntax

PP.initClass(PP.Ufe.ExpressionService, [PP.Mb.PPService, PP.Mb.PPSrvMixin], "PP.Ufe.ExpressionService");

Constructor

	Constructor name	Brief description
	ExpressionService	The ExpressionService constructor creates an instance of the ExpressionService class.

Methods

	Method name	Brief description
	beginBatch	The beginBatch method enables batch mode of sending queries.
	endBatch	The endBatch method disables batch mode of sending queries and sends a formed batch.
	getIsBatchMode	The getIsBatchMode method returns whether batch mode of sending queries is enabled.
	getUfeFunctions	The getUfeFunctions method returns a tree of functions for formula editor.
	send	The send method requests the service of formulas.
	setExpression	The setExpression method requests for adding terms for expression.

Events

	Event name	Brief description
	GetTerms	The GetTerms event occurs after successful getting of terms added to formula.
	GetTermsErr	The GetTermsErr event occurs after getting of error terms added to formula.

Properties inherited from the class PPService

	Property name	Brief description
	PPServiceUrl	The PPServiceUrl property sets URL of Web service requests handler.

Methods inherited from the class PPService

	Method name	Brief description
	addCallbackToLastRqt	The addCallbackToLastRqt adds a handler to the last request in the queue.
	beginSyncXHR	The beginSyncXHR method enables the mode of synchronous requests for an instance of the PPService class.
	clearRequests	The clearRequests method clears the list of queued requests and removes the current request.
	endSyncXHR	The endSyncXHR method disables the mode of synchronous requests for an instance of the PPService class.
	getCurrentRequest	The getCurrentRequest method returns the current service request.
	sendRequest	The sendRequest method sends a request to web service.

Events inherited from the class PPService

	Event name	Brief description
	EndRequest	The EndRequest event occurs on finishing the repository connection.
	Error	The Error event occurs if an error occurs during repository connection.
	Executed	The Executed event occurs after executing a request to server.
	StartRequest	The StartRequest event occurs when the system starts executing a request to repository.

Properties inherited from the class Object

	Property name	Brief description
	Id	The Id property determines a repository object identifier.

Methods inherited from the class Object

	Method name	Brief description
	clone	The clone method creates an object copy.
	dispose	The dispose method deletes the component.
	getHashCode	The getHashCode method returns hash code of repository object.
	getSettings	The getSettings method returns repository object settings.
	getTypeName	The getTypeName method returns the name of the object type without the namespace, to which it belongs.
	isEqual	The isEqual method determines whether the specified object is equal to the current repository object.
	isLive	The isLive method determines validity of repository object.
	removeAllEvents	The removeAllEvents method removes all object event handlers by the specified context.
	setSettings	The setSettings method determines repository object settings.
	defineProps	The defineProps method creates get and set methods from name array for the specified class.
	keys	The keys method returns array of methods and properties names for the specified object.

See also:

PP.Ufe