Package com.inductiveautomation.perspective.gateway.binding.expression

Class ExpressionBindingParseContext

java.lang.Object

com.inductiveautomation.perspective.gateway.expression.AbstractExpressionParseContext

com.inductiveautomation.perspective.gateway.binding.expression.ExpressionBindingParseContext

All Implemented Interfaces:

ExpressionParseContext

Direct Known Subclasses:

ExpressionTransformParseContext

public class ExpressionBindingParseContext
extends AbstractExpressionParseContext

ExpressionParseContext for Perspective ExpressionBindings. Links up the expression with tag and property references.

Field Summary

Fields inherited from class com.inductiveautomation.perspective.gateway.expression.AbstractExpressionParseContext

context, INITIAL_TAG_VALUE

Constructor Summary

Constructors

Constructor	Description
ExpressionBindingParseContext(@NonNull BindingContext context)	Primary constructor for creating new ExpressionBindingParseContext instances.

Method Summary

Modifier and Type	Method	Description
Expression	createBoundExpression(String path)	Called to create expressions to represent bound elements, like:
List<PropertyReference>	getReferences()

Methods inherited from class com.inductiveautomation.perspective.gateway.expression.AbstractExpressionParseContext

createExpressionForTagReference, getFunctionFactory

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionBindingParseContext

public ExpressionBindingParseContext(@NonNull BindingContext context)

Primary constructor for creating new ExpressionBindingParseContext instances. All arguments must be non-null.

Parameters:

context - The Perspective Component associated with the expression binding. Property references may be made relative to this component

Method Details

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 }
 

Parameters:

path - the text content inside the braces.

Returns:

the created Expression

Throws:

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

getReferences

public List<PropertyReference> getReferences()