jrun.ejb.ejbql
Interface Expression

All Superinterfaces:

Element

All Known Subinterfaces:

ConditionalExpression, Literal, OperatorExpression, Symbol

All Known Implementing Classes:

ExpressionBase

public interface Expression

extends Element

Behavior common to all EJB QL query expressions.

Author:

Enrique Duvos

Fields inherited from interface jrun.ejb.ejbql.Element

UNSPECIFIED_TRAVERSAL_ORDER

Method Summary

java.lang.String	getJavaType()
boolean	isCmpField()
boolean	isCmrField()
boolean	isIdentificationVar()
boolean	isInputParam()
boolean	isNavigationExpression()
boolean	isOperatorExpression()

Methods inherited from interface jrun.ejb.ejbql.Element

accept, getChildren

Method Detail

isIdentificationVar

public boolean isIdentificationVar()

isNavigationExpression

public boolean isNavigationExpression()

isOperatorExpression

public boolean isOperatorExpression()

isCmrField

public boolean isCmrField()

isCmpField

public boolean isCmpField()

isInputParam

public boolean isInputParam()

getJavaType

public java.lang.String getJavaType()