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java.lang.Object | +--org.drools.semantics.java.Interp | +--org.drools.semantics.java.Expr | +--org.drools.semantics.java.ExprExtractor
Java expression semantics Extractor
.
Constructor Summary | |
ExprExtractor(java.lang.String expr,
Declaration[] availDecls)
Construct. |
Method Summary | |
java.lang.Object |
extractFact(Tuple tuple)
Extract a new fact from the incoming Tuple |
Methods inherited from class org.drools.semantics.java.Expr |
analyze, getExpression, getRequiredTupleMembers |
Methods inherited from class org.drools.semantics.java.Interp |
evaluate, evaluate, getText, setText, setUpNameSpace, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.drools.spi.Extractor |
getRequiredTupleMembers |
Constructor Detail |
public ExprExtractor(java.lang.String expr, Declaration[] availDecls) throws java.lang.Exception
expr
- The expression.availDecls
- The available declarations.
ConfigurationException
- If an error occurs while
attempting to perform configuration.
java.lang.Exception
Method Detail |
public java.lang.Object extractFact(Tuple tuple) throws ExtractionException
Tuple
extractFact
in interface Extractor
tuple
- The source data tuple.
ExtractionException
- if an error occurs during
fact extraction activities.
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