Class ExprSubstitutionNode

java.lang.Object
com.espertech.esper.common.internal.epl.expression.core.ExprNodeBase
com.espertech.esper.common.internal.epl.expression.core.ExprSubstitutionNode
All Implemented Interfaces:
ExprForge, ExprNode, ExprNodeDeployTimeConst, ExprNodeRenderable, ExprValidator

public class ExprSubstitutionNode extends ExprNodeBase implements ExprForge, ExprNodeDeployTimeConst
Represents a substitution value to be substituted in an expression tree, not valid for any purpose of use as an expression, however can take a place in an expression tree.