Module org.eclipse.persistence.jpa

Package org.eclipse.persistence.internal.jpa.querydef

Class RootImpl<X>

java.lang.Object

org.eclipse.persistence.internal.jpa.querydef.SelectionImpl<X>

org.eclipse.persistence.internal.jpa.querydef.ExpressionImpl<X>

org.eclipse.persistence.internal.jpa.querydef.PathImpl<X>

org.eclipse.persistence.internal.jpa.querydef.FromImpl<X,X>

org.eclipse.persistence.internal.jpa.querydef.RootImpl<X>

All Implemented Interfaces:

Expression<X>, FetchParent<X,X>, From<X,X>, Path<X>, Root<X>, Selection<X>, TupleElement<X>, Serializable, Cloneable, InternalExpression, InternalSelection

public class RootImpl<X>
extends FromImpl<X,X>
implements Root<X>

Purpose: Contains the implementation of the Root interface of the JPA criteria API.

Description: This class represents root of a path. All paths are created from roots and they correspond to ExpressionBuilders.

Since:

EclipseLink 1.2

See Also:

• Path
• Serialized Form

Field Summary

Fields inherited from class org.eclipse.persistence.internal.jpa.querydef.FromImpl

correlatedParent, fetches, isFetch, isJoin, joins, managedType

Fields inherited from class org.eclipse.persistence.internal.jpa.querydef.PathImpl

modelArtifact, pathParent

Fields inherited from class org.eclipse.persistence.internal.jpa.querydef.ExpressionImpl

isLiteral, literal, metamodel

Fields inherited from class org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

alias, currentNode, javaType

Constructor Summary

Constructors

Constructor	Description
RootImpl(ManagedType managedType, Metamodel metamodel, Class<X> javaClass, Expression expressionNode, Bindable modelArtifact)
RootImpl(ManagedType managedType, Metamodel metamodel, Class<X> javaClass, Expression expressionNode, Bindable modelArtifact, FromImpl correlatedParent)

Method Summary

Modifier and Type	Method	Description
void	findRootAndParameters(CommonAbstractCriteriaImpl query)
EntityType<X>	getModel()	Return the metamodel entity corresponding to the root.
boolean	isRoot()

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.FromImpl

fetch, fetch, fetch, fetch, fetch, fetch, findJoinFetches, findJoins, get, get, get, get, getCorrelationParent, getFetches, getJoins, isCorrelated, isFrom, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet, type

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.PathImpl

clone, getParentPath

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.ExpressionImpl

as, buildExpressionForAs, in, in, in, in, isCompoundExpression, isExpression, isJunction, isLiteral, isNotNull, isNull, isParameter, isPredicate, isSubquery

Methods inherited from class org.eclipse.persistence.internal.jpa.querydef.SelectionImpl

alias, getAlias, getCompoundSelectionItems, getCurrentNode, getJavaType, isCompoundSelection, isConstructor, setJavaType

Methods inherited from class java.lang.Object

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

Methods inherited from interface jakarta.persistence.criteria.Expression

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

Methods inherited from interface jakarta.persistence.criteria.FetchParent

fetch, fetch, fetch, fetch, fetch, fetch, getFetches

Methods inherited from interface jakarta.persistence.criteria.From

getCorrelationParent, getJoins, isCorrelated, join, join, join, join, join, join, join, join, join, join, join, join, joinCollection, joinCollection, joinList, joinList, joinMap, joinMap, joinSet, joinSet

Methods inherited from interface jakarta.persistence.criteria.Path

get, get, get, get, getParentPath, type

Methods inherited from interface jakarta.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface jakarta.persistence.TupleElement

getAlias, getJavaType

Constructor Details

RootImpl

public RootImpl(ManagedType managedType,
 Metamodel metamodel,
 Class<X> javaClass,
 Expression expressionNode,
 Bindable modelArtifact)

RootImpl

public RootImpl(ManagedType managedType,
 Metamodel metamodel,
 Class<X> javaClass,
 Expression expressionNode,
 Bindable modelArtifact,
 FromImpl correlatedParent)

Method Details

getModel

public EntityType<X> getModel()

Return the metamodel entity corresponding to the root.

Specified by:

getModel in interface Path<X>

Specified by:

getModel in interface Root<X>

Overrides:

getModel in class PathImpl<X>

Returns:

metamodel entity corresponding to the root

findRootAndParameters

public void findRootAndParameters(CommonAbstractCriteriaImpl query)

Specified by:

findRootAndParameters in interface InternalSelection

Overrides:

findRootAndParameters in class PathImpl<X>

isRoot

public boolean isRoot()

Specified by:

isRoot in interface InternalSelection

Overrides:

isRoot in class SelectionImpl<X>