OperatorNode (Hibernate API Documentation) - Hibernate 3.2.3 正式版 API 英文文档

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org.hibernate.hql.ast.tree
Interface OperatorNode

All Known Subinterfaces:: BinaryOperatorNode, UnaryOperatorNode

All Known Implementing Classes:: BetweenOperatorNode, BinaryArithmeticOperatorNode, BinaryLogicOperatorNode, InLogicOperatorNode, UnaryArithmeticNode, UnaryLogicOperatorNode

public interface OperatorNode

Contract for nodes representing operators (logic or arithmetic).

Author:: Steve Ebersole

Method Summary

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.

Method Detail

initialize

public void initialize()
                throws antlr.SemanticException

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

Throws:: antlr.SemanticException

getDataType

public Type getDataType()

Retrieves the data type for the overall operator expression.

Returns:: The expression's data type.