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:

java.io.Serializable, java.lang.Cloneable, javax.persistence.criteria.Expression<X>, javax.persistence.criteria.FetchParent<X,X>, javax.persistence.criteria.From<X,X>, javax.persistence.criteria.Path<X>, javax.persistence.criteria.Root<X>, javax.persistence.criteria.Selection<X>, javax.persistence.TupleElement<X>, InternalExpression, InternalSelection

public class RootImpl<X>
extends FromImpl<X,X>
implements javax.persistence.criteria.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

Author:

gyorke

See Also:

Path, Serialized Form

Constructor Summary

Constructors

Constructor and Description
RootImpl(javax.persistence.metamodel.ManagedType managedType, javax.persistence.metamodel.Metamodel metamodel, java.lang.Class<X> javaClass, Expression expressionNode, javax.persistence.metamodel.Bindable modelArtifact)
RootImpl(javax.persistence.metamodel.ManagedType managedType, javax.persistence.metamodel.Metamodel metamodel, java.lang.Class<X> javaClass, Expression expressionNode, javax.persistence.metamodel.Bindable modelArtifact, FromImpl correlatedParent)

Method Summary

Modifier and Type	Method and Description
void	findRootAndParameters(CommonAbstractCriteriaImpl query)
javax.persistence.metamodel.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

getParentPath

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

as, 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

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.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 javax.persistence.criteria.Path

get, get, get, get, getParentPath, type

Methods inherited from interface javax.persistence.criteria.Expression

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

Methods inherited from interface javax.persistence.criteria.Selection

alias, getCompoundSelectionItems, isCompoundSelection

Methods inherited from interface javax.persistence.TupleElement

getAlias, getJavaType

Methods inherited from interface javax.persistence.criteria.FetchParent

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

Constructor Detail

RootImpl

public RootImpl(javax.persistence.metamodel.ManagedType managedType,
                javax.persistence.metamodel.Metamodel metamodel,
                java.lang.Class<X> javaClass,
                Expression expressionNode,
                javax.persistence.metamodel.Bindable modelArtifact)

RootImpl

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

Method Detail

getModel

public javax.persistence.metamodel.EntityType<X> getModel()

Return the metamodel entity corresponding to the root.

Specified by:

getModel in interface javax.persistence.criteria.Path<X>

Specified by:

getModel in interface javax.persistence.criteria.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>