org.apache.jdo.jdoql.tree

Interface ConstantExpression

All Superinterfaces:

Expression, Node, java.io.Serializable

All Known Subinterfaces:

BooleanLiteralExpression, ByteLiteralExpression, CharLiteralExpression, DoubleLiteralExpression, FloatLiteralExpression, IntLiteralExpression, LongLiteralExpression, ShortLiteralExpression

All Known Implementing Classes:

BooleanLiteralExpr, ByteLiteralExpr, CharLiteralExpr, ConstantExpr, DoubleLiteralExpr, FloatLiteralExpr, IntLiteralExpr, LongLiteralExpr, ShortLiteralExpr

public interface ConstantExpression
extends Expression

This node represents a constant expression. Examples of constant expressions are BooleanLiteralExpression or ByteLiteralExpression. It does not have any children.

Author:

Michael Watzek

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.Object	getValue() Returns the value represented by this expression.

Methods inherited from interface org.apache.jdo.jdoql.tree.Node

arrive, getChildren, getJavaClass, getObject, getParent, getTokenType, leave, setObject, setParent, walkNextChild

Method Detail

getValue

java.lang.Object getValue()

Returns the value represented by this expression.

Returns:

the value