ExprNodeDeclaredVisitor (Esper Common API Documentation)

java.lang.Object

com.espertech.esper.common.internal.epl.expression.visitor.ExprNodeDeclaredVisitor

All Implemented Interfaces:: ExprNodeVisitor

public class ExprNodeDeclaredVisitor extends Object implements ExprNodeVisitor

Visitor that collects declared-expression instances.

Constructor Summary

Constructors

Constructor

Description

ExprNodeDeclaredVisitor()

Ctor.
Method Summary

Modifier and Type

Method

Description

void

clear()

List<ExprDeclaredNode>

getDeclaredExpressions()

boolean

isVisit(ExprNode exprNode)

Allows visitor to indicate whether to visit a given node.

void

reset()

void

visit(ExprNode exprNode)

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

Constructor Details
- ExprNodeDeclaredVisitor
  
  public ExprNodeDeclaredVisitor()
  
  Ctor.
Method Details
- reset
  
  public void reset()
- getDeclaredExpressions
  
  public List<ExprDeclaredNode> getDeclaredExpressions()
- isVisit
  
  public boolean isVisit(ExprNode exprNode)
  
  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 interface ExprNodeVisitor
  
  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
- visit
  
  public void visit(ExprNode exprNode)
  
  Description copied from interface: ExprNodeVisitor
  
  Visit the given expression node.
  
  Specified by:
  
  visit in interface ExprNodeVisitor
  
  Parameters:
  
  exprNode - is the expression node to visit
- clear
  
  public void clear()