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

public Expression getExpression()
Returns the node's expression.

Returns:
the node's expression


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