Top Description Fields Constructors Methods
org.hibernate.sql.ast.tree.expression

public Class Duration

extends Object
implements Expression, DomainResultProducer
Class Inheritance
All Implemented Interfaces
org.hibernate.query.sqm.sql.internal.DomainResultProducer, org.hibernate.sql.ast.tree.expression.Expression, org.hibernate.sql.ast.spi.SqlSelectionProducer, org.hibernate.sql.ast.tree.SqlAstNode
Imports
org.hibernate.metamodel.mapping.BasicValuedMapping, org.hibernate.query.sqm.TemporalUnit, org.hibernate.query.sqm.sql.internal.DomainResultProducer, org.hibernate.query.sqm.tree.expression.Conversion, org.hibernate.sql.ast.SqlAstWalker, org.hibernate.sql.ast.spi.SqlAstCreationState, .SqlExpressionResolver, org.hibernate.sql.results.graph.DomainResult, .DomainResultCreationState, org.hibernate.sql.results.graph.basic.BasicResult
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.
Author
Gavin King
See Also
which does the opposite

Field Summary

Modifier and TypeField and Description
private final Expression
magnitude

private final BasicValuedMapping
type

private final TemporalUnit
unit

Constructor Summary

AccessConstructor and Description
public
Duration(Expression magnitude, TemporalUnit unit, BasicValuedMapping type)

Method Summary

Modifier and TypeMethod and Description
public void
accept(SqlAstWalker walker)

Implements org.hibernate.sql.ast.tree.SqlAstNode.accept.

public void
applySqlSelections(DomainResultCreationState creationState)

Implements org.hibernate.query.sqm.sql.internal.DomainResultProducer.applySqlSelections.

Used when this producer is a selection in a sub-query.
public DomainResult<J>
createDomainResult(String resultVariable, DomainResultCreationState creationState)

Implements org.hibernate.query.sqm.sql.internal.DomainResultProducer.createDomainResult.

Produce the domain query
public BasicValuedMapping
getExpressionType()

Implements org.hibernate.sql.ast.tree.expression.Expression.getExpressionType.

The type for this expression
public Expression
getMagnitude()

public TemporalUnit
getUnit()

Inherited from java.lang.Object:
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Field Detail

magnitudeback to summary
private final Expression magnitude
typeback to summary
private final BasicValuedMapping type
unitback to summary
private final TemporalUnit unit

Constructor Detail

Durationback to summary
public Duration(Expression magnitude, TemporalUnit unit, BasicValuedMapping type)

Method Detail

acceptback to summary
public void accept(SqlAstWalker walker)

Implements org.hibernate.sql.ast.tree.SqlAstNode.accept.

Annotations
@Override
applySqlSelectionsback to summary
public void applySqlSelections(DomainResultCreationState creationState)

Implements org.hibernate.query.sqm.sql.internal.DomainResultProducer.applySqlSelections.

Doc from org.hibernate.query.sqm.sql.internal.DomainResultProducer.applySqlSelections.

Used when this producer is a selection in a sub-query. The DomainResult is only needed for root query of a SELECT statement. This default impl assumes this producer is a true (Sql)Expression

Annotations
@Override
createDomainResultback to summary
public DomainResult<J> createDomainResult(String resultVariable, DomainResultCreationState creationState)

Implements org.hibernate.query.sqm.sql.internal.DomainResultProducer.createDomainResult.

Doc from org.hibernate.query.sqm.sql.internal.DomainResultProducer.createDomainResult.

Produce the domain query

Annotations
@Override
getExpressionTypeback to summary
public BasicValuedMapping getExpressionType()

Implements org.hibernate.sql.ast.tree.expression.Expression.getExpressionType.

Doc from org.hibernate.sql.ast.tree.expression.Expression.getExpressionType.

The type for this expression

Annotations
@Override
getMagnitudeback to summary
public Expression getMagnitude()
getUnitback to summary
public TemporalUnit getUnit()