Package com.inductiveautomation.eventstream.gateway.expression

Class EventStreamParseContext

java.lang.Object

com.inductiveautomation.eventstream.gateway.expression.EventStreamParseContext

All Implemented Interfaces:

ExpressionParseContext

public class EventStreamParseContext
extends Object
implements ExpressionParseContext

Constructor Summary

Constructors

Constructor	Description
EventStreamParseContext(CommonContext context)

Method Summary

Modifier and Type	Method	Description
Expression	createBoundExpression(String path)	Called to create expressions to represent bound elements, like:
FunctionFactory	getFunctionFactory()	Returns the function factory to be used for looking up functions during parsing.
void	setInput(EventPayload payload)

Methods inherited from class java.lang.Object

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

Constructor Details

EventStreamParseContext

public EventStreamParseContext(CommonContext context)

Method Details

setInput

public void setInput(EventPayload payload)

createBoundExpression

public Expression createBoundExpression(String path)
                                 throws RuntimeException

Description copied from interface: ExpressionParseContext

Called to create expressions to represent bound elements, like:

 { path.to.something }
 

Specified by:

createBoundExpression in interface ExpressionParseContext

Parameters:

path - the text content inside the braces.

Returns:

the created Expression

Throws:

RuntimeException - if the expression cannot be created (e.g., invalid path)

getFunctionFactory

public FunctionFactory getFunctionFactory()

Description copied from interface: ExpressionParseContext

Returns the function factory to be used for looking up functions during parsing.

Specified by:

getFunctionFactory in interface ExpressionParseContext

Returns:

the FunctionFactory