程序包 org.hibernate.hql.internal.ast.tree

接口 OperatorNode

所有已知子接口:

BinaryOperatorNode, UnaryOperatorNode

所有已知实现类:

AbstractNullnessCheckNode, BetweenOperatorNode, BinaryArithmeticOperatorNode, BinaryLogicOperatorNode, InLogicOperatorNode, IsNotNullLogicOperatorNode, IsNullLogicOperatorNode, UnaryArithmeticNode, UnaryLogicOperatorNode

public interface OperatorNode

Contract for nodes representing operators (logic or arithmetic).

作者:

Steve Ebersole

方法概要

修饰符和类型	方法	说明
Type	getDataType()	Retrieves the data type for the overall operator expression.
void	initialize()	Called by the tree walker during hql-sql semantic analysis after the operator sub-tree is completely built.

方法详细资料

initialize

void initialize()
         throws antlr.SemanticException

Called by the tree walker during hql-sql semantic analysis after the operator sub-tree is completely built.

抛出:

antlr.SemanticException

getDataType

Type getDataType()

Retrieves the data type for the overall operator expression.

返回:

The expression's data type.