Package org.hibernate.sql.ast.tree.expression

Class DurationUnit

java.lang.Object

org.hibernate.sql.ast.tree.expression.DurationUnit

All Implemented Interfaces:

SqlSelectionProducer, Expression, SqlAstNode

public class DurationUnit
extends Object
implements Expression, SqlAstNode

A TemporalUnit passed as an argument to the TimestampaddFunction or TimestampdiffFunction. These are different to ExtractUnits because of how the TemporalUnit.WEEK field is handled on some platforms.

Constructor Summary

Constructors

Constructor	Description
DurationUnit(TemporalUnit unit, BasicValuedMapping type)

Method Summary

Modifier and Type	Method	Description
void	accept(SqlAstWalker sqlTreeWalker)
BasicValuedMapping	getExpressionType()	The type for this expression
TemporalUnit	getUnit()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.hibernate.sql.ast.tree.expression.Expression

createDomainResultSqlSelection, createSqlSelection, getColumnReference

Constructor Details

DurationUnit

public DurationUnit(TemporalUnit unit,
 BasicValuedMapping type)

Method Details

getUnit

public TemporalUnit getUnit()

getExpressionType

public BasicValuedMapping getExpressionType()

Description copied from interface: Expression

The type for this expression

Specified by:

getExpressionType in interface Expression

accept

public void accept(SqlAstWalker sqlTreeWalker)

Specified by:

accept in interface SqlAstNode