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## org.hibernate.ejb.criteria.path
Class AbstractFromImpl<Z,X>

    java.lang.Object
      org.hibernate.ejb.criteria.AbstractNode
          org.hibernate.ejb.criteria.expression.AbstractTupleElement<X>
              org.hibernate.ejb.criteria.expression.SelectionImpl<T>
                  org.hibernate.ejb.criteria.expression.ExpressionImpl<X>
                      org.hibernate.ejb.criteria.path.AbstractPathImpl<X>
                          org.hibernate.ejb.criteria.path.AbstractFromImpl<Z,X>

All Implemented Interfaces:
  Serializable, Expression<X>, FetchParent<Z,X>, From<Z,X>, Path<X>, Selection<X>, TupleElement<X>, ExpressionImplementor<X>, FromImplementor<Z,X>, ParameterContainer, PathImplementor<X>, PathSource<X>, Renderable, SelectionImplementor<X>, TupleElementImplementor<X>

Direct Known Subclasses:
  AbstractJoinImpl, RootImpl

    public abstract class AbstractFromImpl<Z,X>

extends AbstractPathImpl<X>
implements From<Z,X>, FromImplementor<Z,X>, Serializable

Convenience base class for various `From` implementors.

See Also:
  Serialized Form

Nested Class Summary
`protected class` | `AbstractFromImpl.BasicJoinScope`
`protected class` | `AbstractFromImpl.CorrelationJoinScope`
`static interface` | `AbstractFromImpl.JoinScope<X>` Helper contract used to define who/what keeps track of joins and fetches made from this `FROM`.

Nested classes/interfaces inherited from interface org.hibernate.ejb.criteria.ParameterContainer
`ParameterContainer.Helper`

Field Summary
`static JoinType` | `DEFAULT_JOIN_TYPE`

Constructor Summary
`AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder, Class<X> javaType)`
`AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder, Class<X> javaType, PathSource pathSource)`

Method Summary
`protected boolean` | `canBeDereferenced()`
`protected boolean` | `canBeFetchSource()`
`protected abstract boolean` | `canBeJoinSource()`
`FromImplementor<Z,X>` | `correlateTo(CriteriaSubqueryImpl subquery)`
`protected abstract FromImplementor<Z,X>` | `createCorrelationDelegate()`
`
`<Y> Fetch<X,Y>`
` | `fetch(PluralAttribute<? super X,?,Y> pluralAttribute)`
`
`<Y> Fetch<X,Y>`
` | `fetch(PluralAttribute<? super X,?,Y> pluralAttribute, JoinType jt)`
`
`<Y> Fetch<X,Y>`
` | `fetch(SingularAttribute<? super X,Y> singularAttribute)`
`
`<Y> Fetch<X,Y>`
` | `fetch(SingularAttribute<? super X,Y> attribute, JoinType jt)`
`
`<X,Y> Fetch<X,Y>`
` | `fetch(String attributeName)`
`
`<X,Y> Fetch<X,Y>`
` | `fetch(String attributeName, JoinType jt)`
`String` | `getAlias()`
`Attribute<?,?>` | `getAttribute()` Retrieve reference to the attribute this path represents.
`FromImplementor<Z,X>` | `getCorrelationParent()`
`Set<Fetch<X,?>>` | `getFetches()`
`Set<Join<X,?>>` | `getJoins()`
`From<?,Z>` | `getParent()`
`String` | `getPathIdentifier()` Get the string representation of this path as a navigation from one of the queries `identification variables`
`PathSource<Z>` | `getPathSource()`
`boolean` | `isCorrelated()`
`
`<Y> CollectionJoin<X,Y>`
` | `join(CollectionAttribute<? super X,Y> collection)`
`
`<Y> CollectionJoin<X,Y>`
` | `join(CollectionAttribute<? super X,Y> collection, JoinType jt)`
`
`<Y> ListJoin<X,Y>`
` | `join(ListAttribute<? super X,Y> list)`
`
`<Y> ListJoin<X,Y>`
` | `join(ListAttribute<? super X,Y> list, JoinType jt)`
`
`<K,V> MapJoin<X,K,V>`
` | `join(MapAttribute<? super X,K,V> map)`
`
`<K,V> MapJoin<X,K,V>`
` | `join(MapAttribute<? super X,K,V> map, JoinType jt)`
`
`<Y> SetJoin<X,Y>`
` | `join(SetAttribute<? super X,Y> set)`
`
`<Y> SetJoin<X,Y>`
` | `join(SetAttribute<? super X,Y> set, JoinType jt)`
`
`<Y> Join<X,Y>`
` | `join(SingularAttribute<? super X,Y> singularAttribute)`
`
`<Y> Join<X,Y>`
` | `join(SingularAttribute<? super X,Y> attribute, JoinType jt)`
`
`<X,Y> Join<X,Y>`
` | `join(String attributeName)`
`
`<X,Y> Join<X,Y>`
` | `join(String attributeName, JoinType jt)`
`
`<X,Y> CollectionJoin<X,Y>`
` | `joinCollection(String attributeName)`
`
`<X,Y> CollectionJoin<X,Y>`
` | `joinCollection(String attributeName, JoinType jt)`
`
`<X,Y> ListJoin<X,Y>`
` | `joinList(String attributeName)`
`
`<X,Y> ListJoin<X,Y>`
` | `joinList(String attributeName, JoinType jt)`
`
`<X,K,V> MapJoin<X,K,V>`
` | `joinMap(String attributeName)`
`
`<X,K,V> MapJoin<X,K,V>`
` | `joinMap(String attributeName, JoinType jt)`
`
`<X,Y> SetJoin<X,Y>`
` | `joinSet(String attributeName)`
`
`<X,Y> SetJoin<X,Y>`
` | `joinSet(String attributeName, JoinType jt)`
`protected Attribute<X,?>` | `locateAttributeInternal(String name)` Get the attribute by name from the underlying model.
`protected ManagedType<? super X>` | `locateManagedType()`
`void` | `prepareAlias(CriteriaQueryCompiler.RenderingContext renderingContext)`
`void` | `prepareCorrelationDelegate(FromImplementor<Z,X> parent)`
`String` | `render(CriteriaQueryCompiler.RenderingContext renderingContext)`
`String` | `renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)`

Methods inherited from class org.hibernate.ejb.criteria.path.AbstractPathImpl
`get, get, get, get, getParentPath, illegalDereference, locateAttribute, registerAttributePath, registerParameters, resolveCachedAttributePath, type, unknownAttribute`

Methods inherited from class org.hibernate.ejb.criteria.expression.ExpressionImpl
`as, asBigDecimal, asBigInteger, asDouble, asFloat, asInteger, asLong, asString, in, in, in, in, isNotNull, isNull`

Methods inherited from class org.hibernate.ejb.criteria.expression.SelectionImpl
`alias, getCompoundSelectionItems, getValueHandlers, isCompoundSelection`

Methods inherited from class org.hibernate.ejb.criteria.expression.AbstractTupleElement
`forceConversion, getJavaType, getValueHandler, resetJavaType, setAlias`

Methods inherited from class org.hibernate.ejb.criteria.AbstractNode
`criteriaBuilder`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Methods inherited from interface org.hibernate.ejb.criteria.FromImplementor
`renderTableExpression`

Methods inherited from interface org.hibernate.ejb.criteria.ExpressionImplementor
`asBigDecimal, asBigInteger, asDouble, asFloat, asInteger, asLong, asString`

Methods inherited from interface org.hibernate.ejb.criteria.SelectionImplementor
`getValueHandlers`

Methods inherited from interface org.hibernate.ejb.criteria.TupleElementImplementor
`getValueHandler`

Methods inherited from interface javax.persistence.criteria.Path
`get, get, get, get, getModel, 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
`getJavaType`

Field Detail

### DEFAULT_JOIN_TYPE

    public static final JoinType DEFAULT_JOIN_TYPE

Constructor Detail

### AbstractFromImpl

    public AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder,
                            Class<X> javaType)

### AbstractFromImpl

    public AbstractFromImpl(CriteriaBuilderImpl criteriaBuilder,
                            Class<X> javaType,
                            PathSource pathSource)

Method Detail

### getPathSource

    public PathSource<Z> getPathSource()

  Overrides:
    `getPathSource` in class `AbstractPathImpl<X>`

### getPathIdentifier

    public String getPathIdentifier()

  Description copied from class: `AbstractPathImpl`
  Get the string representation of this path as a navigation from one of the queries `identification variables`

  Specified by:
    `getPathIdentifier` in interface `PathSource<X>`
  Overrides:
    `getPathIdentifier` in class `AbstractPathImpl<X>`
  Returns:
    The path's identifier.

### canBeDereferenced

    protected boolean canBeDereferenced()

  Specified by:
    `canBeDereferenced` in class `AbstractPathImpl<X>`

### prepareAlias

    public void prepareAlias(CriteriaQueryCompiler.RenderingContext renderingContext)

  Specified by:
    `prepareAlias` in interface `FromImplementor<Z,X>`
  Specified by:
    `prepareAlias` in interface `PathSource<X>`
  Overrides:
    `prepareAlias` in class `AbstractPathImpl<X>`

### renderProjection

    public String renderProjection(CriteriaQueryCompiler.RenderingContext renderingContext)

  Description copied from class: `AbstractPathImpl`

  Specified by:
    `renderProjection` in interface `Renderable`
  Overrides:
    `renderProjection` in class `AbstractPathImpl<X>`

### render

    public String render(CriteriaQueryCompiler.RenderingContext renderingContext)

  Description copied from class: `AbstractPathImpl`

  Specified by:
    `render` in interface `Renderable`
  Overrides:
    `render` in class `AbstractPathImpl<X>`

### getAttribute

    public Attribute<?,?> getAttribute()

  Description copied from interface: `PathImplementor`
  Retrieve reference to the attribute this path represents.

  Specified by:
    `getAttribute` in interface `PathImplementor<X>`
  Returns:
    The metamodel attribute.

### getParent

    public From<?,Z> getParent()

### locateAttributeInternal

    protected Attribute<X,?> locateAttributeInternal(String name)

  Description copied from class: `AbstractPathImpl`
  Get the attribute by name from the underlying model. This allows subclasses to define exactly how the attribute is derived. Called from `AbstractPathImpl.locateAttribute(java.lang.String)` which also applies nullness checking for proper error reporting.

  Specified by:
    `locateAttributeInternal` in class `AbstractPathImpl<X>`
  Parameters:
    `name` - The name of the attribute to locate
  Returns:
    The attribute; may be null.

### locateManagedType

    protected ManagedType<? super X> locateManagedType()

### isCorrelated

    public boolean isCorrelated()

  Specified by:
    `isCorrelated` in interface `From<Z,X>`

### getCorrelationParent

    public FromImplementor<Z,X> getCorrelationParent()

  Specified by:
    `getCorrelationParent` in interface `From<Z,X>`
  Specified by:
    `getCorrelationParent` in interface `FromImplementor<Z,X>`

### correlateTo

    public FromImplementor<Z,X> correlateTo(CriteriaSubqueryImpl subquery)

  Specified by:
    `correlateTo` in interface `FromImplementor<Z,X>`

### createCorrelationDelegate

    protected abstract FromImplementor<Z,X> createCorrelationDelegate()

### prepareCorrelationDelegate

    public void prepareCorrelationDelegate(FromImplementor<Z,X> parent)

  Specified by:
    `prepareCorrelationDelegate` in interface `FromImplementor<Z,X>`

### getAlias

    public String getAlias()

  Description copied from class: `AbstractTupleElement`

  Specified by:
    `getAlias` in interface `TupleElement<X>`
  Overrides:
    `getAlias` in class `AbstractTupleElement<X>`

### canBeJoinSource

    protected abstract boolean canBeJoinSource()

### getJoins

    public Set<Join<X,?>> getJoins()

  Specified by:
    `getJoins` in interface `From<Z,X>`

### join

    public <Y> Join<X,Y> join(SingularAttribute<? super X,Y> singularAttribute)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> Join<X,Y> join(SingularAttribute<? super X,Y> attribute,
                              JoinType jt)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> CollectionJoin<X,Y> join(CollectionAttribute<? super X,Y> collection)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> CollectionJoin<X,Y> join(CollectionAttribute<? super X,Y> collection,
                                        JoinType jt)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> SetJoin<X,Y> join(SetAttribute<? super X,Y> set)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> SetJoin<X,Y> join(SetAttribute<? super X,Y> set,
                                 JoinType jt)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> ListJoin<X,Y> join(ListAttribute<? super X,Y> list)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <Y> ListJoin<X,Y> join(ListAttribute<? super X,Y> list,
                                  JoinType jt)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <K,V> MapJoin<X,K,V> join(MapAttribute<? super X,K,V> map)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <K,V> MapJoin<X,K,V> join(MapAttribute<? super X,K,V> map,
                                     JoinType jt)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <X,Y> Join<X,Y> join(String attributeName)

  Specified by:
    `join` in interface `From<Z,X>`

### join

    public <X,Y> Join<X,Y> join(String attributeName,
                                JoinType jt)

  Specified by:
    `join` in interface `From<Z,X>`

### joinCollection

    public <X,Y> CollectionJoin<X,Y> joinCollection(String attributeName)

  Specified by:
    `joinCollection` in interface `From<Z,X>`

### joinCollection

    public <X,Y> CollectionJoin<X,Y> joinCollection(String attributeName,
                                                    JoinType jt)

  Specified by:
    `joinCollection` in interface `From<Z,X>`

### joinSet

    public <X,Y> SetJoin<X,Y> joinSet(String attributeName)

  Specified by:
    `joinSet` in interface `From<Z,X>`

### joinSet

    public <X,Y> SetJoin<X,Y> joinSet(String attributeName,
                                      JoinType jt)

  Specified by:
    `joinSet` in interface `From<Z,X>`

### joinList

    public <X,Y> ListJoin<X,Y> joinList(String attributeName)

  Specified by:
    `joinList` in interface `From<Z,X>`

### joinList

    public <X,Y> ListJoin<X,Y> joinList(String attributeName,
                                        JoinType jt)

  Specified by:
    `joinList` in interface `From<Z,X>`

### joinMap

    public <X,K,V> MapJoin<X,K,V> joinMap(String attributeName)

  Specified by:
    `joinMap` in interface `From<Z,X>`

### joinMap

    public <X,K,V> MapJoin<X,K,V> joinMap(String attributeName,
                                          JoinType jt)

  Specified by:
    `joinMap` in interface `From<Z,X>`

### canBeFetchSource

    protected boolean canBeFetchSource()

### getFetches

    public Set<Fetch<X,?>> getFetches()

  Specified by:
    `getFetches` in interface `FetchParent<Z,X>`

### fetch

    public <Y> Fetch<X,Y> fetch(SingularAttribute<? super X,Y> singularAttribute)

  Specified by:
    `fetch` in interface `FetchParent<Z,X>`

### fetch

    public <Y> Fetch<X,Y> fetch(SingularAttribute<? super X,Y> attribute,
                                JoinType jt)

  Specified by:
    `fetch` in interface `FetchParent<Z,X>`

### fetch

    public <Y> Fetch<X,Y> fetch(PluralAttribute<? super X,?,Y> pluralAttribute)

  Specified by:
    `fetch` in interface `FetchParent<Z,X>`

### fetch

    public <Y> Fetch<X,Y> fetch(PluralAttribute<? super X,?,Y> pluralAttribute,
                                JoinType jt)

  Specified by:
    `fetch` in interface `FetchParent<Z,X>`

### fetch

    public <X,Y> Fetch<X,Y> fetch(String attributeName)

  Specified by:
    `fetch` in interface `FetchParent<Z,X>`

### fetch

    public <X,Y> Fetch<X,Y> fetch(String attributeName,
                                  JoinType jt)

  Specified by:
    `fetch` in interface `FetchParent<Z,X>`

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