org.apache.jdo.jdoql.tree
Interface UnaryExpression

All Superinterfaces:

Expression, Node, java.io.Serializable

All Known Subinterfaces:

ComplementExpression, NotExpression, UnaryMinusExpression, UnaryPlusExpression

All Known Implementing Classes:

ComplementExpr, NotExpr, UnaryExpr, UnaryMinusExpr, UnaryPlusExpr

public interface UnaryExpression
extends Expression

This node represents a unary operator. All unary operators have exactly one children. Examples of binary operators are ComplementExpression and NotExpression.

Author:

Michael Watzek

Method Summary

Expression

getExpression() Returns the node's expression.

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

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

Method Detail

getExpression

Expression getExpression()

Returns the node's expression.

Returns:

the node's expression