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java.lang.Objectorg.apache.taglibs.rdc.scxml.env.ELEvaluator
public class ELEvaluator
EL engine interface for SCXML Interpreter.
Constructor Summary | |
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ELEvaluator()
Constructor |
Method Summary | |
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java.lang.Object |
eval(Context ctx,
java.lang.String expr)
Evaluate an expression |
java.lang.Boolean |
evalCond(Context ctx,
java.lang.String expr)
Evaluate a condition. |
static boolean |
isMember(java.util.Set allStates,
java.lang.String state)
Does this state belong to the Set of these States. |
Context |
newContext(Context parent)
Create a new child context. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ELEvaluator()
Method Detail |
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public java.lang.Object eval(Context ctx, java.lang.String expr) throws SCXMLExpressionException
eval
in interface Evaluator
ctx
- variable contextexpr
- expression
SCXMLExpressionException
Evaluator.eval(org.apache.taglibs.rdc.scxml.Context, java.lang.String)
public Context newContext(Context parent)
newContext
in interface Evaluator
parent
- parent context
Evaluator.newContext(org.apache.taglibs.rdc.scxml.Context)
public java.lang.Boolean evalCond(Context ctx, java.lang.String expr) throws SCXMLExpressionException
Evaluator
evalCond
in interface Evaluator
ctx
- variable contextexpr
- expression
SCXMLExpressionException
Evaluator.evalCond(org.apache.taglibs.rdc.scxml.Context, java.lang.String)
public static final boolean isMember(java.util.Set allStates, java.lang.String state)
allStates
- The Set of State objects to look instate
- The State to compare with
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