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Interface for a component that may be used by the SCXML engines to evaluate the expressions within the SCXML document.
| Method Summary | |
Object |
eval(Context ctx,
String expr)
Evaluate an expression. |
Boolean |
evalCond(Context ctx,
String expr)
Evaluate a condition. |
Node |
evalLocation(Context ctx,
String expr)
Evaluate a location that returns a Node within an XML data tree. |
Context |
newContext(Context parent)
Create a new child context. |
| Method Detail |
public Object eval(Context ctx,
String expr)
throws SCXMLExpressionException
ctx - variable contextexpr - expression
SCXMLExpressionException - A malformed exception
public Boolean evalCond(Context ctx,
String expr)
throws SCXMLExpressionException
ctx - variable contextexpr - expression
SCXMLExpressionException - A malformed exception
public Node evalLocation(Context ctx,
String expr)
throws SCXMLExpressionException
ctx - variable contextexpr - expression
SCXMLExpressionException - A malformed exceptionpublic Context newContext(Context parent)
parent - parent context
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