public class CoalesceEvaluator extends ComplexEvaluator
Modifier and Type | Field and Description |
---|---|
protected static long |
serialVersionUID |
constructingFactory, nodeId, streamContext, subEvaluators
Constructor and Description |
---|
CoalesceEvaluator(StreamExpression expression,
StreamFactory factory) |
Modifier and Type | Method and Description |
---|---|
Object |
evaluate(Tuple tuple) |
getStreamContext, setStreamContext, toExplanation, toExpression
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
evaluateOverContext
protected static final long serialVersionUID
public CoalesceEvaluator(StreamExpression expression, StreamFactory factory) throws IOException
IOException
public Object evaluate(Tuple tuple) throws IOException
IOException
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