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public interface Expression
This class is the base class for all expressions.
Message
,
SObject
,
TypeMismatchException
Method Summary | |
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org.exolab.jms.selector.SObject |
evaluate(javax.jms.Message msg)
Evaluate the expression |
java.lang.String |
toString()
Return a string representation of this expression. |
Method Detail |
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org.exolab.jms.selector.SObject evaluate(javax.jms.Message msg) throws TypeMismatchException
msg
- the message to use to obtain any header identifier and
property values
null
if the value of the
expression is unknown
TypeMismatchException
- if the expression tries to evaluate
mismatched types.java.lang.String toString()
toString
in class java.lang.Object
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