Duration (Hibernate Javadocs (hibernate-core))

java.lang.Object
- org.hibernate.sql.ast.tree.expression.Duration

All Implemented Interfaces:

org.hibernate.query.sqm.sql.internal.DomainResultProducer, SqlSelectionProducer, Expression, SqlAstNode
```
public class Duration
extends Object
implements Expression, org.hibernate.query.sqm.sql.internal.DomainResultProducer
```
A duration expressed in terms of a given temporal unit. Represents a conversion of a scalar value to a Duration, by providing a duration unit.

See Also:

which does the opposite

Constructor Summary

Constructors
Constructor Description

Duration(Expression magnitude, TemporalUnit unit, BasicValuedMapping type)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(SqlAstWalker walker)`
`void`	`applySqlSelections(DomainResultCreationState creationState)`
`DomainResult`	`createDomainResult(String resultVariable, DomainResultCreationState creationState)`
`BasicValuedMapping`	`getExpressionType()`	The type for this expression
`Expression`	`getMagnitude()`
`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, createDomainResultSqlSelection, createSqlSelection, createSqlSelection, getColumnReference

Constructor Detail

Duration

public Duration(Expression magnitude,
                TemporalUnit unit,
                BasicValuedMapping type)

Method Detail
- getUnit
```
public TemporalUnit getUnit()
```
- getMagnitude
```
public Expression getMagnitude()
```
- accept
```
public void accept(SqlAstWalker walker)
```
  Specified by:
  
  accept in interface SqlAstNode
- createDomainResult
```
public DomainResult createDomainResult(String resultVariable,
                                       DomainResultCreationState creationState)
```
  Specified by:
  
  createDomainResult in interface org.hibernate.query.sqm.sql.internal.DomainResultProducer
- applySqlSelections
```
public void applySqlSelections(DomainResultCreationState creationState)
```
  Specified by:
  
  applySqlSelections in interface org.hibernate.query.sqm.sql.internal.DomainResultProducer
- getExpressionType
```
public BasicValuedMapping getExpressionType()
```
  Description copied from interface: Expression
  
  The type for this expression
  
  Specified by:
  
  getExpressionType in interface Expression