Package javax.persistence.metamodel

Examples of javax.persistence.metamodel.Attribute

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    return managedType != null;
  }

  @Override
  protected Attribute locateAttributeInternal(String attributeName) {
    final Attribute attribute = managedType.getAttribute( attributeName );
    // ManagedType.getAttribute should throw exception rather than return
    // null, but just to be safe...
    if ( attribute == null ) {
      throw new IllegalArgumentException( "Could not resolve attribute named " + attributeName );
    }
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  public <Y> Path<Y> get(String attributeName) {
    if ( ! canBeDereferenced() ) {
      throw illegalDereference();
    }

    final Attribute attribute = locateAttribute( attributeName );

    if ( attribute.isCollection() ) {
      final PluralAttribute<X,Y,?> pluralAttribute = (PluralAttribute<X,Y,?>) attribute;
      if ( PluralAttribute.CollectionType.MAP.equals( pluralAttribute.getCollectionType() ) ) {
        return (PluralAttributePath<Y>) get( (MapAttribute<X,?,?>) pluralAttribute );
      }
      else {
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   * @return The attribute; should never return null.
   *
   * @throws IllegalArgumentException If no such attribute exists
   */
  protected  final Attribute locateAttribute(String attributeName) {
    final Attribute attribute = locateAttributeInternal( attributeName );
    if ( attribute == null ) {
      throw unknownAttribute( attributeName );
    }
    return attribute;
  }
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     * @param jt
     *            join type
     * @return the resulting fetch join
     */
    public <T, Y> Fetch<T, Y> fetch(String assocName, JoinType jt){
        Attribute attribute = this.managedType.getAttribute(assocName);
        if (attribute.isCollection()) {
            return fetch(((PluralAttribute)attribute), jt);
        }else{
            return fetch(((SingularAttribute)attribute), jt);
        }
    }
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    }
   
    @Override
    public <Y> Path<Y> get(String attName) {
        this.isLeaf = false;
        Attribute attribute = this.managedType.getAttribute(attName);
        Join join;
        if (attribute.isCollection()) {
            if (!((PluralAttribute) attribute).getElementType().getPersistenceType().equals(PersistenceType.BASIC)) {
                if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.COLLECTION)) {
                    join = new CollectionJoinImpl<X, Y>(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.LIST)) {
                    join = new ListJoinImpl<X, Y>(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.SET)) {
                    join = new SetJoinImpl<X, Y>(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else {
                    join = new MapJoinImpl(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                }
            } else {
                if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.COLLECTION)) {
                    join = new BasicCollectionJoinImpl<X, Y>(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.LIST)) {
                    join = new BasicListJoinImpl<X, Y>(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.SET)) {
                    join = new BasicSetJoinImpl<X, Y>(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else{
                    join = new BasicMapJoinImpl(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                }
            }
            ((FromImpl)join).isLeaf = false;
        }else{
            Class clazz = ((SingularAttribute)attribute).getBindableJavaType();
            if (((SingularAttribute)attribute).getType().getPersistenceType().equals(PersistenceType.BASIC)){
                return new PathImpl<Y>(this, this.metamodel, clazz, this.currentNode.get(attribute.getName()), (Bindable)attribute);
            }else{
                join = new JoinImpl(this, this.metamodel.managedType(clazz), this.metamodel, clazz, this.currentNode.get(attribute.getName()), (Bindable)attribute);
            }
        }
        this.joins.add(join);
        return join;
    }
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        return join(attributeName, JoinType.INNER);
    }

    public <T, Y> Join<T, Y> join(String attributeName, JoinType jt) {
        this.isLeaf = false;
        Attribute attribute = this.managedType.getAttribute(attributeName);
        if (attribute.isCollection()) {
            org.eclipse.persistence.expressions.Expression node;
            if (jt.equals(JoinType.INNER)) {
                node = this.currentNode.anyOf(((PluralAttribute) attribute).getName());
            } else if (jt.equals(JoinType.RIGHT)) {
                throw new UnsupportedOperationException(ExceptionLocalization.buildMessage("RIGHT_JOIN_NOT_SUPPORTED"));
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  }

  @Override
  @SuppressWarnings({ "unchecked" })
  public <Y> Path<Y> get(String attributeName) {
    Attribute attribute = getAttribute( attributeName );
    if ( attribute.isCollection() ) {
      final PluralAttribute<X,?,Y> pluralAttribute = (PluralAttribute<X, ?, Y>) attribute;
      if ( CollectionType.COLLECTION.equals( pluralAttribute.getCollectionType() ) ) {
        return join( (CollectionAttribute<X,Y>) attribute );
      }
      else if ( CollectionType.LIST.equals( pluralAttribute.getCollectionType() ) ) {
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            // property represents special handling for id-class mappings but we have already
            // accounted for the embedded property mappings in #applyIdMetadata &&
            // #buildIdClassAttributes
            continue;
          }
          final Attribute attribute = attributeFactory.buildAttribute( jpa2Mapping, property, true );
          jpa2Mapping.getBuilder().addAttribute( attribute );
        }
        jpa2Mapping.lock();
        populateStaticMetamodel( jpa2Mapping );
      }
      else if ( MappedSuperclass.class.isAssignableFrom( mapping.getClass() ) ) {
        @SuppressWarnings( "unchecked" )
        final MappedSuperclass safeMapping = (MappedSuperclass) mapping;
        final MappedSuperclassTypeImpl<?> jpa2Mapping = mappedSuperclassByMappedSuperclassMapping.get(
            safeMapping
        );
        applyIdMetadata( safeMapping, jpa2Mapping );
        applyVersionAttribute( safeMapping, jpa2Mapping );
        Iterator<Property> properties = ( Iterator<Property> ) safeMapping.getDeclaredPropertyIterator();
        while ( properties.hasNext() ) {
          final Property property = properties.next();
          final Attribute attribute = attributeFactory.buildAttribute( jpa2Mapping, property, true );
          jpa2Mapping.getBuilder().addAttribute( attribute );
        }
        jpa2Mapping.lock();
        populateStaticMetamodel( jpa2Mapping );
      }
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     * @param jt
     *            join type
     * @return the resulting fetch join
     */
    public <T, Y> Fetch<T, Y> fetch(String assocName, JoinType jt){
        Attribute attribute = this.managedType.getAttribute(assocName);
        if (attribute.isCollection()) {
            return fetch(((PluralAttribute)attribute), jt);
        }else{
            return fetch(((SingularAttribute)attribute), jt);
        }
    }
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        return new ExpressionImpl(this.metamodel, ClassConstants.CLASS,this.currentNode.type());
    }
   
    @Override
    public <Y> Path<Y> get(String attName) {
        Attribute attribute = this.managedType.getAttribute(attName);
        Join join;
        if (attribute.isCollection()) {
            if (!((PluralAttribute) attribute).getElementType().getPersistenceType().equals(PersistenceType.BASIC)) {
                if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.COLLECTION)) {
                    join = new CollectionJoinImpl<X, Y>(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.LIST)) {
                    join = new ListJoinImpl<X, Y>(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.SET)) {
                    join = new SetJoinImpl<X, Y>(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else {
                    join = new MapJoinImpl(this, metamodel.managedType(((PluralAttribute) attribute).getBindableJavaType()), this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                }
            } else {
                if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.COLLECTION)) {
                    join = new BasicCollectionJoinImpl<X, Y>(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.LIST)) {
                    join = new BasicListJoinImpl<X, Y>(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else if (((PluralAttribute) attribute).getCollectionType().equals(CollectionType.SET)) {
                    join = new BasicSetJoinImpl<X, Y>(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                } else{
                    join = new BasicMapJoinImpl(this, this.metamodel, ((PluralAttribute) attribute).getBindableJavaType(), this.currentNode.anyOf(attribute.getName()), (Bindable) attribute);
                }
            }
        }else{
            Class clazz = ((SingularAttribute)attribute).getBindableJavaType();
            if (((SingularAttribute)attribute).getType().getPersistenceType().equals(PersistenceType.BASIC)){
                return new PathImpl<Y>(this, this.metamodel, clazz, this.currentNode.get(attribute.getName()), (Bindable)attribute);
            }else{
                join = new JoinImpl(this, this.metamodel.managedType(clazz), this.metamodel, clazz, this.currentNode.get(attribute.getName()), (Bindable)attribute);
            }
        }
        this.joins.add(join);
        return join;
    }
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