Class ExprNodeSubselectDeclaredDotVisitor
java.lang.Object
com.espertech.esper.common.internal.epl.expression.visitor.ExprNodeSubselectDeclaredDotVisitor
- All Implemented Interfaces:
ExprNodeVisitor
Visitor that collects subqueries, declared-expression and chained-dot.
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionReturns a list of lookup expression nodes.boolean
Allows visitor to indicate whether to visit a given node.void
reset()
void
Visit the given expression node.Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface com.espertech.esper.common.internal.epl.expression.visitor.ExprNodeVisitor
isWalkDeclExprParam
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Constructor Details
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ExprNodeSubselectDeclaredDotVisitor
public ExprNodeSubselectDeclaredDotVisitor()Ctor.
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Method Details
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reset
public void reset() -
getSubselects
Returns a list of lookup expression nodes.- Returns:
- lookup nodes
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getChainedExpressionsDot
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getDeclaredExpressions
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isVisit
Description copied from interface:ExprNodeVisitor
Allows visitor to indicate whether to visit a given node. Implicitly if a visitor doesn't visit a node it would also not visit any descendent child nodes of that node.- Specified by:
isVisit
in interfaceExprNodeVisitor
- Parameters:
exprNode
- is the node in questions- Returns:
- true if the visitor wants to visit the child node (next call is visit), or false to skip child
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visit
Description copied from interface:ExprNodeVisitor
Visit the given expression node.- Specified by:
visit
in interfaceExprNodeVisitor
- Parameters:
exprNode
- is the expression node to visit
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