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java.lang.Objectnet.esper.eql.expression.ExprNode
net.esper.eql.expression.ExprInNode
public class ExprInNode
Represents the in-clause (set check) function in an expression tree.
Nested Class Summary |
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Nested classes/interfaces inherited from class net.esper.eql.expression.ExprNode |
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ExprNode.MappedPropertyParseResult |
Constructor Summary | |
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ExprInNode(boolean isNotIn)
Ctor. |
Method Summary | |
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boolean |
equalsNode(ExprNode node_)
Return true if a expression node semantically equals the current node, or false if not. |
Object |
evaluate(EventBean[] eventsPerStream,
boolean isNewData)
Evaluate event tuple and return result. |
Class |
getCoercionType()
Returns the coercion type to use if coercion is required. |
Class |
getType()
Returns the type that the node's evaluate method returns an instance of. |
boolean |
isNotIn()
Returns true for not-in, false for regular in |
String |
toExpressionString()
Returns the expression node rendered as a string. |
void |
validate(StreamTypeService streamTypeService,
AutoImportService autoImportService,
ViewResourceDelegate viewResourceDelegate)
Validate node. |
Methods inherited from class net.esper.eql.expression.ExprNode |
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accept, addChildNode, deepEquals, dumpDebug, getChildNodes, getValidatedSubtree, parseMappedProperty |
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 ExprInNode(boolean isNotIn)
isNotIn
- is true for "not in" and false for "in"Method Detail |
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public boolean isNotIn()
public void validate(StreamTypeService streamTypeService, AutoImportService autoImportService, ViewResourceDelegate viewResourceDelegate) throws ExprValidationException
ExprValidator
streamTypeService
- serves stream event type infoautoImportService
- - for resolving class names in library method invocationsviewResourceDelegate
- - delegates for view resources to expression nodes
ExprValidationException
- thrown when validation failedpublic Class getType()
ExprValidator
public Class getCoercionType()
public Object evaluate(EventBean[] eventsPerStream, boolean isNewData)
ExprEvaluator
eventsPerStream
- - event tupleisNewData
- - indicates whether we are dealing with new data (istream) or old data (rstream)
public boolean equalsNode(ExprNode node_)
ExprNode
Concrete implementations should compare the type and any additional information that impact the evaluation of a node.
equalsNode
in class ExprNode
node_
- to compare to
public String toExpressionString()
ExprNode
toExpressionString
in class ExprNode
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