Package io.micronaut.data.model.jpa.criteria.impl.selection

Class AggregateExpression<T,E>

java.lang.Object

io.micronaut.data.model.jpa.criteria.impl.selection.AggregateExpression<T,E>

Type Parameters:

T - The originating expression type

E - The aggregate expression type

All Implemented Interfaces:

IExpression<E>, SelectionVisitable, ISelection<E>, jakarta.persistence.criteria.Expression<E>, jakarta.persistence.criteria.Selection<E>, jakarta.persistence.TupleElement<E>

@Internal
public final class AggregateExpression<T,E>
extends java.lang.Object
implements IExpression<E>, SelectionVisitable

The aggregate expression.

Since:

3.2

Author:

Denis Stepanov

Constructor Summary

Constructors

Constructor	Description
AggregateExpression(jakarta.persistence.criteria.Expression<T> expression, AggregateType type)
AggregateExpression(jakarta.persistence.criteria.Expression<T> expression, AggregateType type, java.lang.Class<E> expressionType)

Method Summary

Modifier and Type	Method	Description
void	accept(SelectionVisitor selectionVisitor)
jakarta.persistence.criteria.Expression<T>	getExpression()
java.lang.Class<E>	getExpressionType()
java.lang.Class<E>	getJavaType()
AggregateType	getType()
boolean	isBoolean()
boolean	isComparable()
boolean	isNumeric()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.data.model.jpa.criteria.IExpression

as, in, in, in, in, isNotNull, isNull

Methods inherited from interface io.micronaut.data.model.jpa.criteria.ISelection

alias, getAlias, getCompoundSelectionItems, isCompoundSelection

Constructor Detail

AggregateExpression

public AggregateExpression(jakarta.persistence.criteria.Expression<T> expression,
                           AggregateType type)

AggregateExpression

public AggregateExpression(jakarta.persistence.criteria.Expression<T> expression,
                           AggregateType type,
                           java.lang.Class<E> expressionType)

Method Detail

accept

public void accept(SelectionVisitor selectionVisitor)

Specified by:

accept in interface SelectionVisitable

isBoolean

public boolean isBoolean()

Specified by:

isBoolean in interface IExpression<T>

Returns:

true if the expression is of boolean type

isNumeric

public boolean isNumeric()

Specified by:

isNumeric in interface IExpression<T>

Returns:

true if the expression is of numeric type

isComparable

public boolean isComparable()

Specified by:

isComparable in interface IExpression<T>

Returns:

true if the expression is of comparable type

getJavaType

public java.lang.Class<E> getJavaType()

Specified by:

getJavaType in interface jakarta.persistence.TupleElement<T>

getType

public AggregateType getType()

getExpression

public jakarta.persistence.criteria.Expression<T> getExpression()

getExpressionType

@Nullable
public java.lang.Class<E> getExpressionType()