/******************************************************************************* * Copyright (c) 1998, 2015 Oracle and/or its affiliates, IBM Corporation. All rights reserved. * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * 01/28/2009-2.0 Guy Pelletier * - 248293: JPA 2.0 Element Collections (part 1) * 02/06/2009-2.0 Guy Pelletier * - 248293: JPA 2.0 Element Collections (part 2) * 02/25/2009-2.0 Guy Pelletier * - 265359: JPA 2.0 Element Collections - Metadata processing portions * 03/27/2009-2.0 Guy Pelletier * - 241413: JPA 2.0 Add EclipseLink support for Map type attributes * 04/03/2009-2.0 Guy Pelletier * - 241413: JPA 2.0 Add EclipseLink support for Map type attributes * 06/02/2009-2.0 Guy Pelletier * - 278768: JPA 2.0 Association Override Join Table * 06/09/2009-2.0 Guy Pelletier * - 249037: JPA 2.0 persisting list item index * 06/25/2009-2.0 Michael O'Brien * - 266912: change MappedSuperclass handling in stage2 to pre process accessors * in support of the custom descriptors holding mappings required by the Metamodel * 09/29/2009-2.0 Guy Pelletier * - 282553: JPA 2.0 JoinTable support for OneToOne and ManyToOne * 11/06/2009-2.0 Guy Pelletier * - 286317: UniqueConstraint xml element is changing (plus couple other fixes, see bug) * 03/08/2010-2.1 Guy Pelletier * - 303632: Add attribute-type for mapping attributes to EclipseLink-ORM * 04/27/2010-2.1 Guy Pelletier * - 309856: MappedSuperclasses from XML are not being initialized properly * 05/31/2010-2.1 Guy Pelletier * - 314941: multiple joinColumns without referenced column names defined, no error * 06/14/2010-2.2 Guy Pelletier * - 264417: Table generation is incorrect for JoinTables in AssociationOverrides * 09/03/2010-2.2 Guy Pelletier * - 317286: DB column lenght not in sync between @Column and @JoinColumn * 03/24/2011-2.3 Guy Pelletier * - 337323: Multi-tenant with shared schema support (part 1) * 06/03/2011-2.3.1 Guy Pelletier * - 347563: transient field/property in embeddable entity * 04/09/2012-2.4 Guy Pelletier * - 374377: OrderBy with ElementCollection doesn't work * 10/09/2012-2.5 Guy Pelletier * - 374688: JPA 2.1 Converter support * 11/19/2012-2.5 Guy Pelletier * - 389090: JPA 2.1 DDL Generation Support (foreign key metadata support) (foreign key metadata support) * 11/28/2012-2.5 Guy Pelletier * - 374688: JPA 2.1 Converter support * 07/16/2013-2.5.1 Guy Pelletier * - 412384: Applying Converter for parameterized basic-type for joda-time's DateTime does not work * 07/07/2014-2.5.3 Rick Curtis * - 375101: Date and Calendar should not require @Temporal. ******************************************************************************/ package org.eclipse.persistence.internal.jpa.metadata.accessors.mappings; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_ASSOCIATION_OVERRIDE; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_ASSOCIATION_OVERRIDES; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_ATTRIBUTE_OVERRIDE; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_ATTRIBUTE_OVERRIDES; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_COLLECTION_TABLE; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_COLUMN; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY_CLASS; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY_COLUMN; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY_ENUMERATED; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY_JOIN_COLUMN; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY_JOIN_COLUMNS; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_MAP_KEY_TEMPORAL; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_ORDER_BY; import static org.eclipse.persistence.internal.jpa.metadata.MetadataConstants.JPA_ORDER_COLUMN; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.eclipse.persistence.annotations.CompositeMember; import org.eclipse.persistence.annotations.DeleteAll; import org.eclipse.persistence.annotations.MapKeyConvert; import org.eclipse.persistence.exceptions.ValidationException; import org.eclipse.persistence.internal.helper.DatabaseField; import org.eclipse.persistence.internal.helper.DatabaseTable; import org.eclipse.persistence.internal.jpa.metadata.MetadataDescriptor; import org.eclipse.persistence.internal.jpa.metadata.MetadataLogger; import org.eclipse.persistence.internal.jpa.metadata.accessors.classes.ClassAccessor; import org.eclipse.persistence.internal.jpa.metadata.accessors.classes.EmbeddableAccessor; import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAccessibleObject; import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataAnnotation; import org.eclipse.persistence.internal.jpa.metadata.accessors.objects.MetadataClass; import org.eclipse.persistence.internal.jpa.metadata.columns.AssociationOverrideMetadata; import org.eclipse.persistence.internal.jpa.metadata.columns.AttributeOverrideMetadata; import org.eclipse.persistence.internal.jpa.metadata.columns.ColumnMetadata; import org.eclipse.persistence.internal.jpa.metadata.columns.ForeignKeyMetadata; import org.eclipse.persistence.internal.jpa.metadata.columns.JoinColumnMetadata; import org.eclipse.persistence.internal.jpa.metadata.columns.OrderColumnMetadata; import org.eclipse.persistence.internal.jpa.metadata.converters.ConvertMetadata; import org.eclipse.persistence.internal.jpa.metadata.converters.EnumeratedMetadata; import org.eclipse.persistence.internal.jpa.metadata.converters.TemporalMetadata; import org.eclipse.persistence.internal.jpa.metadata.mappings.MapKeyMetadata; import org.eclipse.persistence.internal.jpa.metadata.mappings.OrderByMetadata; import org.eclipse.persistence.internal.jpa.metadata.tables.CollectionTableMetadata; import org.eclipse.persistence.internal.jpa.metadata.xml.XMLEntityMappings; import org.eclipse.persistence.internal.mappings.converters.AttributeNameTokenizer; import org.eclipse.persistence.mappings.AggregateCollectionMapping; import org.eclipse.persistence.mappings.AggregateObjectMapping; import org.eclipse.persistence.mappings.CollectionMapping; import org.eclipse.persistence.mappings.ContainerMapping; import org.eclipse.persistence.mappings.DatabaseMapping; import org.eclipse.persistence.mappings.DirectCollectionMapping; import org.eclipse.persistence.mappings.EmbeddableMapping; import org.eclipse.persistence.mappings.OneToOneMapping; import org.eclipse.persistence.mappings.foundation.AbstractCompositeCollectionMapping; import org.eclipse.persistence.mappings.foundation.AbstractDirectMapping; /** * An element collection accessor. * * Used to support DirectCollection, DirectMap, AggregateCollection. * * Key notes: * - any metadata mapped from XML to this class must be compared in the * equals method. * - any metadata mapped from XML to this class must be handled in the merge * method. (merging is done at the accessor/mapping level) * - any metadata mapped from XML to this class must be initialized in the * initXMLObject method. * - methods should be preserved in alphabetical order. * * @author Guy Pelletier * @since EclipseLink 1.2 */ public class ElementCollectionAccessor extends DirectCollectionAccessor implements MappedKeyMapAccessor { private Boolean m_deleteAll; private ColumnMetadata m_column; private ColumnMetadata m_mapKeyColumn; private EnumeratedMetadata m_mapKeyEnumerated; private ForeignKeyMetadata m_mapKeyForeignKey; private List<ConvertMetadata> m_mapKeyConverts; private List<AssociationOverrideMetadata> m_associationOverrides = new ArrayList<AssociationOverrideMetadata>(); private List<AssociationOverrideMetadata> m_mapKeyAssociationOverrides = new ArrayList<AssociationOverrideMetadata>(); private List<AttributeOverrideMetadata> m_attributeOverrides = new ArrayList<AttributeOverrideMetadata>(); private List<AttributeOverrideMetadata> m_mapKeyAttributeOverrides = new ArrayList<AttributeOverrideMetadata>(); private List<JoinColumnMetadata> m_mapKeyJoinColumns = new ArrayList<JoinColumnMetadata>(); private MapKeyMetadata m_mapKey; private MetadataClass m_targetClass; private MetadataClass m_mapKeyClass; private MetadataClass m_referenceClass; private OrderByMetadata m_orderBy; private OrderColumnMetadata m_orderColumn; private String m_mapKeyConvert; private String m_mapKeyClassName; private String m_targetClassName; private String m_compositeMember; private TemporalMetadata m_mapKeyTemporal; /** * INTERNAL: * Used for OX mapping. */ public ElementCollectionAccessor() { super("<element-collection>"); } /** * INTERNAL: */ public ElementCollectionAccessor(MetadataAnnotation elementCollection, MetadataAccessibleObject accessibleObject, ClassAccessor classAccessor) { super(elementCollection, accessibleObject, classAccessor); // Set the target class. m_targetClass = getMetadataClass(elementCollection.getAttributeString("targetClass")); // Set the attribute overrides if some are present. // Set the attribute overrides first if defined. if (isAnnotationPresent(JPA_ATTRIBUTE_OVERRIDES)) { for (Object attributeOverride : getAnnotation(JPA_ATTRIBUTE_OVERRIDES).getAttributeArray("value")) { addAttributeOverride(new AttributeOverrideMetadata((MetadataAnnotation)attributeOverride, this)); } } // Set the single attribute override second if defined. if (isAnnotationPresent(JPA_ATTRIBUTE_OVERRIDE)) { addAttributeOverride(new AttributeOverrideMetadata(getAnnotation(JPA_ATTRIBUTE_OVERRIDE), this)); } // Set the association overrides if some are present. // Set the association overrides first if defined. if (isAnnotationPresent(JPA_ASSOCIATION_OVERRIDES)) { for (Object associationOverride : getAnnotation(JPA_ASSOCIATION_OVERRIDES).getAttributeArray("value")) { addAssociationOverride(new AssociationOverrideMetadata((MetadataAnnotation) associationOverride, this)); } } // Set the single association override second if defined. if (isAnnotationPresent(JPA_ASSOCIATION_OVERRIDE)) { addAssociationOverride(new AssociationOverrideMetadata(getAnnotation(JPA_ASSOCIATION_OVERRIDE), this)); } // Set the column if one if defined. if (isAnnotationPresent(JPA_COLUMN)) { m_column = new ColumnMetadata(getAnnotation(JPA_COLUMN), this); } // Set the collection table if one is defined. if (isAnnotationPresent(JPA_COLLECTION_TABLE)) { setCollectionTable(new CollectionTableMetadata(getAnnotation(JPA_COLLECTION_TABLE), this)); } // Set the composite member if one is defined. if (isAnnotationPresent(CompositeMember.class)) { m_compositeMember = getAnnotation(CompositeMember.class).getAttributeString("value"); } // Set the order by if one is present. if (isAnnotationPresent(JPA_ORDER_BY)) { m_orderBy = new OrderByMetadata(getAnnotation(JPA_ORDER_BY), this); } // Set the map key if one is defined. if (isAnnotationPresent(JPA_MAP_KEY)) { m_mapKey = new MapKeyMetadata(getAnnotation(JPA_MAP_KEY), this); } // Set the map key class if one is defined. if (isAnnotationPresent(JPA_MAP_KEY_CLASS)) { m_mapKeyClass = getMetadataClass(getAnnotation(JPA_MAP_KEY_CLASS).getAttributeString("value")); } // Set the map key enumerated if one is defined. if (isAnnotationPresent(JPA_MAP_KEY_ENUMERATED)) { m_mapKeyEnumerated = new EnumeratedMetadata(getAnnotation(JPA_MAP_KEY_ENUMERATED), this); } // Set the map key temporal if one is defined. if (isAnnotationPresent(JPA_MAP_KEY_TEMPORAL)) { m_mapKeyTemporal = new TemporalMetadata(getAnnotation(JPA_MAP_KEY_TEMPORAL), this); } // Set the map key join columns if some are present. // Process all the map key join columns first. if (isAnnotationPresent(JPA_MAP_KEY_JOIN_COLUMNS)) { MetadataAnnotation mapKeyJoinColumns = getAnnotation(JPA_MAP_KEY_JOIN_COLUMNS); for (Object mapKeyJoinColumn : mapKeyJoinColumns.getAttributeArray("value")) { m_mapKeyJoinColumns.add(new JoinColumnMetadata((MetadataAnnotation) mapKeyJoinColumn, this)); } // Set the map key foreign key metadata if one is specified. if (mapKeyJoinColumns.hasAttribute("foreignKey")) { setMapKeyForeignKey(new ForeignKeyMetadata(mapKeyJoinColumns.getAttributeAnnotation("foreignKey"), this)); } } // Process the single map key key join column second. if (isAnnotationPresent(JPA_MAP_KEY_JOIN_COLUMN)) { JoinColumnMetadata mapKeyJoinColumn = new JoinColumnMetadata(getAnnotation(JPA_MAP_KEY_JOIN_COLUMN), this); m_mapKeyJoinColumns.add(mapKeyJoinColumn); // Set the map key foreign key metadata. setMapKeyForeignKey(mapKeyJoinColumn.getForeignKey()); } // Set the map key column if one is defined. if (isAnnotationPresent(JPA_MAP_KEY_COLUMN)) { m_mapKeyColumn = new ColumnMetadata(getAnnotation(JPA_MAP_KEY_COLUMN), this); } // Set the convert key if one is defined. if (isAnnotationPresent(MapKeyConvert.class)) { m_mapKeyConvert = getAnnotation(MapKeyConvert.class).getAttributeString("value"); } // Set the order column if one is defined. if (isAnnotationPresent(JPA_ORDER_COLUMN)) { m_orderColumn = new OrderColumnMetadata(getAnnotation(JPA_ORDER_COLUMN), this); } // Set the delete all flag if one is defined. if (isAnnotationPresent(DeleteAll.class)) { m_deleteAll = Boolean.TRUE; } } /** * INTERNAL: */ protected void addAttributeOverride(AttributeOverrideMetadata attributeOverride) { if (attributeOverride.getName().startsWith(KEY_DOT_NOTATION)) { attributeOverride.setName(attributeOverride.getName().substring(KEY_DOT_NOTATION.length())); m_mapKeyAttributeOverrides.add(attributeOverride); } else { if (attributeOverride.getName().startsWith(VALUE_DOT_NOTATION)) { attributeOverride.setName(attributeOverride.getName().substring(VALUE_DOT_NOTATION.length())); } m_attributeOverrides.add(attributeOverride); } } /** * INTERNAL: */ protected void addAssociationOverride(AssociationOverrideMetadata associationOverride) { if (associationOverride.getName().startsWith(KEY_DOT_NOTATION)) { associationOverride.setName(associationOverride.getName().substring(KEY_DOT_NOTATION.length())); m_mapKeyAssociationOverrides.add(associationOverride); } else { if (associationOverride.getName().startsWith(VALUE_DOT_NOTATION)) { associationOverride.setName(associationOverride.getName().substring(VALUE_DOT_NOTATION.length())); } m_associationOverrides.add(associationOverride); } } /** * INTERNAL: * A map key convert from an annotation specification. In XML, this list * is populated using the map-key-convert element. In annotations there is * only a single Convert annotation and map key converts are identified * with an attribute name on the convert beginning with "key". */ @Override public void addMapKeyConvert(ConvertMetadata convert) { if (m_mapKeyConverts == null) { m_mapKeyConverts = new ArrayList<ConvertMetadata>(); } m_mapKeyConverts.add(convert); } /** * INTERNAL: */ @Override public boolean equals(Object objectToCompare) { if (super.equals(objectToCompare) && objectToCompare instanceof ElementCollectionAccessor) { ElementCollectionAccessor elementCollectionAccessor = (ElementCollectionAccessor) objectToCompare; if (! valuesMatch(m_deleteAll, elementCollectionAccessor.getDeleteAll())) { return false; } if (! valuesMatch(m_column, elementCollectionAccessor.getColumn())) { return false; } if (! valuesMatch(m_compositeMember, elementCollectionAccessor.getCompositeMember())) { return false; } if (! valuesMatch(m_mapKeyColumn, elementCollectionAccessor.getMapKeyColumn())) { return false; } if (! valuesMatch(m_mapKeyEnumerated, elementCollectionAccessor.getMapKeyEnumerated())) { return false; } if (! valuesMatch(m_associationOverrides, elementCollectionAccessor.getAssociationOverrides())) { return false; } if (! valuesMatch(m_mapKeyAssociationOverrides, elementCollectionAccessor.getMapKeyAssociationOverrides())) { return false; } if (! valuesMatch(m_attributeOverrides, elementCollectionAccessor.getAttributeOverrides())) { return false; } if (! valuesMatch(m_mapKeyAttributeOverrides, elementCollectionAccessor.getMapKeyAttributeOverrides())) { return false; } if (! valuesMatch(m_mapKeyJoinColumns, elementCollectionAccessor.getMapKeyJoinColumns())) { return false; } if (! valuesMatch(m_mapKeyForeignKey, elementCollectionAccessor.getMapKeyForeignKey())) { return false; } if (! valuesMatch(m_mapKey, elementCollectionAccessor.getMapKey())) { return false; } if (! valuesMatch(m_orderBy, elementCollectionAccessor.getOrderBy())) { return false; } if (! valuesMatch(m_orderColumn, elementCollectionAccessor.getOrderColumn())) { return false; } if (! valuesMatch(m_mapKeyConverts, elementCollectionAccessor.getMapKeyConverts())) { return false; } if (! valuesMatch(m_mapKeyClassName, elementCollectionAccessor.getMapKeyClassName())) { return false; } if (! valuesMatch(m_targetClassName, elementCollectionAccessor.getTargetClassName())) { return false; } return valuesMatch(m_mapKeyTemporal, elementCollectionAccessor.getMapKeyTemporal()); } return false; } @Override public int hashCode() { int result = super.hashCode(); result = 31 * result + (m_deleteAll != null ? m_deleteAll.hashCode() : 0); result = 31 * result + (m_column != null ? m_column.hashCode() : 0); result = 31 * result + (m_mapKeyColumn != null ? m_mapKeyColumn.hashCode() : 0); result = 31 * result + (m_mapKeyEnumerated != null ? m_mapKeyEnumerated.hashCode() : 0); result = 31 * result + (m_mapKeyForeignKey != null ? m_mapKeyForeignKey.hashCode() : 0); result = 31 * result + (m_mapKeyConverts != null ? m_mapKeyConverts.hashCode() : 0); result = 31 * result + (m_associationOverrides != null ? m_associationOverrides.hashCode() : 0); result = 31 * result + (m_mapKeyAssociationOverrides != null ? m_mapKeyAssociationOverrides.hashCode() : 0); result = 31 * result + (m_attributeOverrides != null ? m_attributeOverrides.hashCode() : 0); result = 31 * result + (m_mapKeyAttributeOverrides != null ? m_mapKeyAttributeOverrides.hashCode() : 0); result = 31 * result + (m_mapKeyJoinColumns != null ? m_mapKeyJoinColumns.hashCode() : 0); result = 31 * result + (m_mapKey != null ? m_mapKey.hashCode() : 0); result = 31 * result + (m_orderBy != null ? m_orderBy.hashCode() : 0); result = 31 * result + (m_orderColumn != null ? m_orderColumn.hashCode() : 0); result = 31 * result + (m_mapKeyClassName != null ? m_mapKeyClassName.hashCode() : 0); result = 31 * result + (m_targetClassName != null ? m_targetClassName.hashCode() : 0); result = 31 * result + (m_compositeMember != null ? m_compositeMember.hashCode() : 0); result = 31 * result + (m_mapKeyTemporal != null ? m_mapKeyTemporal.hashCode() : 0); return result; } /** * INTERNAL: * Used for OX mapping. */ public List<AssociationOverrideMetadata> getAssociationOverrides() { return m_associationOverrides; } /** * INTERNAL: * Used for OX mapping. */ public List<AttributeOverrideMetadata> getAttributeOverrides() { return m_attributeOverrides; } /** * INTERNAL: * Used for OX mapping. */ public ColumnMetadata getColumn() { return m_column; } /** * INTERNAL: * Used for OX mapping. */ public String getCompositeMember() { return m_compositeMember; } /** * INTERNAL: */ @Override protected ColumnMetadata getColumn(String loggingCtx) { if (loggingCtx.equals(MetadataLogger.VALUE_COLUMN)) { return m_column == null ? super.getColumn(loggingCtx) : m_column; } else { return m_mapKeyColumn == null ? super.getColumn(loggingCtx) : m_mapKeyColumn; } } /** * INTERNAL: * Return the default table to hold the foreign key of a MapKey when * and Entity is used as the MapKey * @return */ @Override protected DatabaseTable getDefaultTableForEntityMapKey(){ return getCollectionTable().getDatabaseTable(); } /** * INTERNAL: * Used for OX mapping. */ public Boolean getDeleteAll() { return m_deleteAll; } /** * INTERNAL: */ public EmbeddableAccessor getEmbeddableAccessor() { return getProject().getEmbeddableAccessor(getReferenceClass()); } /** * INTERNAL: * Return the enumerated metadata for this accessor. */ @Override public EnumeratedMetadata getEnumerated(boolean isForMapKey) { if (isForMapKey) { return getMapKeyEnumerated(); } else { return super.getEnumerated(isForMapKey); } } /** * INTERNAL: */ @Override protected String getKeyConverter() { return m_mapKeyConvert; } /** * INTERNAL: * Used for OX mapping. */ @Override public MapKeyMetadata getMapKey() { return m_mapKey; } /** * INTERNAL: * Return the map key class on this element collection accessor. */ @Override public MetadataClass getMapKeyClass() { return m_mapKeyClass; } /** * INTERNAL: * Future: this method is where we would provide a more explicit reference * class to support an auto-apply jpa converter. Per the spec auto-apply * converters are applied against basics only. */ @Override public MetadataClass getMapKeyClassWithGenerics() { return getMapKeyClass(); } /** * INTERNAL: * Used for OX mapping. */ @Override public List<AssociationOverrideMetadata> getMapKeyAssociationOverrides() { return m_mapKeyAssociationOverrides; } /** * INTERNAL: * Used for OX mapping. */ @Override public List<AttributeOverrideMetadata> getMapKeyAttributeOverrides() { return m_mapKeyAttributeOverrides; } /** * INTERNAL: * Used for OX mapping. */ public String getMapKeyClassName() { return m_mapKeyClassName; } /** * INTERNAL: * Used for OX mapping. */ @Override public ColumnMetadata getMapKeyColumn() { return m_mapKeyColumn; } /** * INTERNAL: */ @Override public String getMapKeyConvert() { return m_mapKeyConvert; } /** * INTERNAL: * Used for OX mapping. */ @Override public List<ConvertMetadata> getMapKeyConverts() { return m_mapKeyConverts; } /** * INTERNAL: * Used for OX mapping. */ public EnumeratedMetadata getMapKeyEnumerated() { return m_mapKeyEnumerated; } /** * INTERNAL: * Used for OX mapping. */ @Override public ForeignKeyMetadata getMapKeyForeignKey() { return m_mapKeyForeignKey; } /** * INTERNAL: * Used for OX mapping. */ @Override public List<JoinColumnMetadata> getMapKeyJoinColumns() { return m_mapKeyJoinColumns; } /** * INTERNAL: * Used for OX mapping. */ public TemporalMetadata getMapKeyTemporal() { return m_mapKeyTemporal; } /** * INTERNAL: * Used for OX mapping. */ public OrderByMetadata getOrderBy() { return m_orderBy; } /** * INTERNAL: * Used for OX mapping. */ public OrderColumnMetadata getOrderColumn() { return m_orderColumn; } /** * INTERNAL: * If a targetEntity is specified in metadata, it will be set as the * reference class, otherwise we will look to extract one from generics. * <p> * MappedSuperclass descriptors return Void when their parameterized generic reference class is null */ @Override public MetadataClass getReferenceClass() { if (m_referenceClass == null) { m_referenceClass = getTargetClass(); if (m_referenceClass == null || m_referenceClass.isVoid()) { // This call will attempt to extract the reference class from generics. m_referenceClass = getReferenceClassFromGeneric(); if (m_referenceClass == null) { // 266912: We do not handle the resolution of parameterized // generic types when the accessor is a MappedSuperclasses. // the validation exception is relaxed in this case and // void metadata class is returned. if (getClassAccessor().isMappedSuperclass()) { return getMetadataClass(Void.class); } // Throw an exception. An element collection accessor must // have a reference class either through generics or a // specified target class on the mapping metadata. throw ValidationException.unableToDetermineTargetClass(getAttributeName(), getJavaClass()); } else { // Log the defaulting contextual reference class. getLogger().logConfigMessage(MetadataLogger.ELEMENT_COLLECTION_MAPPING_REFERENCE_CLASS, getAnnotatedElement(), m_referenceClass); } } } return m_referenceClass; } /** * INTERNAL: * In an element collection case, when the collection is not an embeddable * collection, there is no notion of a reference descriptor, therefore we * return this accessors descriptor */ @Override public MetadataDescriptor getReferenceDescriptor() { if (isDirectEmbeddableCollection()) { return getEmbeddableAccessor().getDescriptor(); } else { return super.getReferenceDescriptor(); } } /** * INTERNAL: * Return the target class for this accessor. */ protected MetadataClass getTargetClass() { return m_targetClass; } /** * INTERNAL: * Used for OX mapping. */ protected String getTargetClassName() { return m_targetClassName; } /** * INTERNAL: * Return the temporal metadata for this accessor. * @see DirectAccessor * @see CollectionAccessor */ @Override public TemporalMetadata getTemporal(boolean isForMapKey) { if (isForMapKey) { return getMapKeyTemporal(); } else { return super.getTemporal(isForMapKey); } } /** * INTERNAL: * Return true if this accessor has enumerated metadata. */ @Override public boolean hasEnumerated(boolean isForMapKey) { if (isForMapKey) { return m_mapKeyEnumerated != null; } else { return super.hasEnumerated(isForMapKey); } } /** * INTERNAL: * Return true if this accessor has lob metadata. */ @Override public boolean hasLob(boolean isForMapKey) { if (isForMapKey) { return false; } else { return super.hasLob(isForMapKey); } } /** * INTERNAL: */ @Override public boolean hasMapKey() { return m_mapKey != null; } /** * INTERNAL: * Return true if this accessor has a map key class specified. */ @Override protected boolean hasMapKeyClass() { return m_mapKeyClass != null && ! m_mapKeyClass.equals(void.class); } /** * INTERNAL: * Return true if this accessor has temporal metadata. */ @Override public boolean hasTemporal(boolean isForMapKey) { if (isForMapKey) { return this.m_mapKeyTemporal != null; } else { return super.hasTemporal(isForMapKey); } } /** * INTERNAL: */ @Override public void initXMLObject(MetadataAccessibleObject accessibleObject, XMLEntityMappings entityMappings) { super.initXMLObject(accessibleObject, entityMappings); // Initialize lists of ORMetadata objects. initXMLObjects(m_associationOverrides, accessibleObject); initXMLObjects(m_attributeOverrides, accessibleObject); initXMLObjects(m_mapKeyAssociationOverrides, accessibleObject); initXMLObjects(m_mapKeyAttributeOverrides, accessibleObject); initXMLObjects(m_mapKeyConverts, accessibleObject); initXMLObjects(m_mapKeyJoinColumns, accessibleObject); // Initialize single objects. initXMLObject(m_column, accessibleObject); initXMLObject(m_mapKey, accessibleObject); initXMLObject(m_mapKeyColumn, accessibleObject); initXMLObject(m_orderBy, accessibleObject); initXMLObject(m_orderColumn, accessibleObject); initXMLObject(m_mapKeyForeignKey, accessibleObject); initXMLObject(m_mapKeyEnumerated, accessibleObject); initXMLObject(m_mapKeyTemporal, accessibleObject); // Initialize the any class names we read from XML. m_targetClass = initXMLClassName(m_targetClassName); m_mapKeyClass = initXMLClassName(m_mapKeyClassName); // Initialize a previous text element from a list of elements (legacy) m_mapKeyConvert = initXMLTextObject(m_mapKeyConverts); } /** * INTERNAL: * Used by our XML writing facility. * Returns false unless m_deleteAll is both set and true */ public boolean isDeleteAll(){ return m_deleteAll != null && m_deleteAll; } /** * INTERNAL: * Return true if this element collection contains embeddable objects. */ @Override public boolean isDirectEmbeddableCollection() { return getEmbeddableAccessor() != null; } /** * INTERNAL: * Process the element collection metadata. */ @Override public void process() { if (isDirectEmbeddableCollection()) { processDirectEmbeddableCollectionMapping(getReferenceDescriptor()); } else if (isValidDirectCollectionType()) { processDirectCollectionMapping(); if (m_compositeMember != null) { ((CollectionMapping) getMapping()).setSessionName(m_compositeMember); } } else if (isValidDirectMapType()) { processDirectMapMapping(); if (m_compositeMember != null) { ((CollectionMapping) getMapping()).setSessionName(m_compositeMember); } } else { throw ValidationException.invalidTargetClass(getAttributeName(), getJavaClass()); } // Process an order by if specified. if (m_orderBy != null) { m_orderBy.process((CollectionMapping) getMapping(), getReferenceDescriptor(), getJavaClass()); } // Process the order column if specified. if (m_orderColumn != null) { m_orderColumn.process((CollectionMapping) getMapping(), getDescriptor()); } } /** * INTERNAL: * Process a MetadataCollectionTable. */ @Override protected void processCollectionTable(CollectionMapping mapping) { super.processCollectionTable(mapping); // Add all the joinColumns (reference key fields) to the mapping. Join // column validation is performed in the getJoinColumns call. for (JoinColumnMetadata joinColumn : getJoinColumnsAndValidate(getCollectionTable().getJoinColumns(), getOwningDescriptor())) { // Look up the primary key field from the referenced column name. DatabaseField pkField = getReferencedField(joinColumn.getReferencedColumnName(), getOwningDescriptor(), MetadataLogger.PK_COLUMN, mapping.isAggregateCollectionMapping()); // The default name is the primary key of the owning entity. DatabaseField fkField = joinColumn.getForeignKeyField(pkField); setFieldName(fkField, getOwningDescriptor().getAlias() + "_" + getOwningDescriptor().getPrimaryKeyFieldName(), MetadataLogger.FK_COLUMN); fkField.setTable(getReferenceDatabaseTable()); if (mapping.isDirectCollectionMapping()) { // Add the reference key field for the direct collection mapping. ((DirectCollectionMapping) mapping).addReferenceKeyField(fkField, pkField); } else { ((AggregateCollectionMapping) mapping).addTargetForeignKeyField(fkField, pkField); } } if (m_deleteAll != null && mapping.isPrivateOwned()) { mapping.setMustDeleteReferenceObjectsOneByOne(! m_deleteAll); } } /** * INTERNAL: */ protected void processDirectEmbeddableCollectionMapping(MetadataDescriptor referenceDescriptor) { // Initialize our mapping. DatabaseMapping mapping = getOwningDescriptor().getClassDescriptor().newAggregateCollectionMapping(); // Process common direct collection metadata. This must be done // before any field processing since field processing requires that // the collection table be processed before hand. process(mapping); // Make sure to mark the descriptor as an embeddable collection descriptor. referenceDescriptor.setIsEmbeddable(); processContainerPolicyAndIndirection((ContainerMapping)mapping); if (mapping instanceof AggregateCollectionMapping) { AggregateCollectionMapping collectionMapping = (AggregateCollectionMapping)mapping; // Process the fetch type and set the correct indirection on the mapping. // Process the mappings from the embeddable to setup the field name // translations. Before we do that lets process the attribute and // association overrides that are available to us and that may be used // to override any field name translations. processMappingsFromEmbeddable(referenceDescriptor, null, collectionMapping, getAttributeOverrides(m_attributeOverrides), getAssociationOverrides(m_associationOverrides), ""); processMappingValueConverters(getDescriptor()); } else if (mapping.isAbstractCompositeCollectionMapping()) { ((AbstractCompositeCollectionMapping)mapping).setField(getDatabaseField(getDescriptor().getPrimaryTable(), MetadataLogger.COLUMN)); } } /** * INTERNAL: * Process convertors registered for collection mapping. * @param embeddableDescriptor Metadata descriptor for embedded collection. */ protected void processMappingValueConverters(final MetadataDescriptor embeddableDescriptor) { for (ConvertMetadata convert : getConverts()) { final String attributeName = AttributeNameTokenizer.getNameAfterVersion(convert.getAttributeName()); final MappingAccessor mappingAccessor = attributeName != null ? embeddableDescriptor.getMappingAccessor(attributeName) : null; if (mappingAccessor != null) { convert.process(this.getMapping(), getReferenceClass(), getClassAccessor(), attributeName); } } } /** * INTERNAL: */ protected void processMappingsFromEmbeddable(MetadataDescriptor embeddableDescriptor, AggregateObjectMapping nestedAggregateObjectMapping, EmbeddableMapping embeddableMapping, Map<String, AttributeOverrideMetadata> attributeOverrides, Map<String, AssociationOverrideMetadata> associationOverrides, String dotNotationName) { for (MappingAccessor mappingAccessor : embeddableDescriptor.getMappingAccessors()) { // Ignore XML mapped transient attributes. if (! mappingAccessor.isTransient()) { // Fast track any mapping accessor that hasn't been processed at // this point. The only accessors that can't be processed here // are nested embedded or element collection accessors. if (! mappingAccessor.isProcessed()) { mappingAccessor.process(); } // Now you can safely grab the mapping off the accessor. DatabaseMapping mapping = mappingAccessor.getMapping(); // Figure out what our override name is to ensure we find and // apply the correct override metadata. String overrideName = (dotNotationName.equals("")) ? mapping.getAttributeName() : dotNotationName + "." + mapping.getAttributeName(); if (mapping.isDirectToFieldMapping()) { // Regardless if we have an attribute override or not we // add field name translations for every mapping to ensure // we have the correct table name set for each field. AbstractDirectMapping directMapping = (AbstractDirectMapping) mapping; DatabaseField overrideField; if (attributeOverrides.containsKey(overrideName)) { // We have an explicit attribute override we must apply. overrideField = attributeOverrides.get(overrideName).getOverrideField(); } else { // If the nested aggregate object mapping defined an // attribute override use the override field it set (and // qualify it with our collection table. Otherwise, default // a field name translation using the name of the field on // the mapping. overrideField = directMapping.getField().clone(); if (nestedAggregateObjectMapping != null && nestedAggregateObjectMapping.getAggregateToSourceFields().containsKey(overrideField.getName())) { overrideField = nestedAggregateObjectMapping.getAggregateToSourceFields().get(overrideField.getName()); } } // Add the aggregate collection table field if one hasn't // already been set. if (! overrideField.hasTableName()) { overrideField.setTable(getReferenceDatabaseTable()); } addFieldNameTranslation(embeddableMapping, overrideName, overrideField, mappingAccessor); } else if (mapping.isOneToOneMapping()) { OneToOneMapping oneToOneMapping = (OneToOneMapping) mapping; if (oneToOneMapping.isForeignKeyRelationship()) { AssociationOverrideMetadata associationOverride = associationOverrides.get(overrideName); if (associationOverride == null) { for (DatabaseField fkField : oneToOneMapping.getForeignKeyFields()) { DatabaseField collectionTableField = fkField.clone(); collectionTableField.setTable(getReferenceDatabaseTable()); embeddableMapping.addFieldTranslation(collectionTableField, fkField.getName()); } } else { ((ObjectAccessor) mappingAccessor).processAssociationOverride(associationOverride, embeddableMapping, getReferenceDatabaseTable(), getDescriptor()); } } else { // Section 2.6 of the spec states: "An embeddable class (including an embeddable class within // another embeddable class) contained within an element collection must not contain an element // collection, nor may it contain a relationship to an entity other than a many-to-one or // one-to-one relationship. The embeddable class must be on the owning side of such a // relationship and the relationship must be mapped by a foreign key mapping." throw ValidationException.invalidEmbeddableClassForElementCollection(embeddableDescriptor.getJavaClass(), getAttributeName(), getJavaClass(), mapping.getAttributeName()); } } else if (mapping.isAggregateObjectMapping()) { MappingAccessor accessor = embeddableDescriptor.getMappingAccessor(mapping.getAttributeName()); processMappingsFromEmbeddable(accessor.getReferenceDescriptor(), (AggregateObjectMapping) mapping, embeddableMapping, attributeOverrides, associationOverrides, overrideName); } else { // TODO: mapping.isAggregateCollectionMapping. We could // handle this case however not obligated by the spec. // See comment above about section 2.6 throw ValidationException.invalidEmbeddableClassForElementCollection(embeddableDescriptor.getJavaClass(), getAttributeName(), getJavaClass(), mapping.getAttributeName()); } } } } /** * INTERNAL: * Used for OX mapping. */ public void setAssociationOverrides(List<AssociationOverrideMetadata> associationOverrides) { m_associationOverrides = associationOverrides; } /** * INTERNAL: * Used for OX mapping. */ public void setAttributeOverrides(List<AttributeOverrideMetadata> attributeOverrides) { m_attributeOverrides = attributeOverrides; } /** * INTERNAL: * Used for OX mapping. */ public void setColumn(ColumnMetadata column) { m_column = column; } /** * INTERNAL: * Used for OX mapping. */ public void setCompositeMember(String compositeMember) { m_compositeMember = compositeMember; } /** * INTERNAL: * Used for OX mapping. */ public void setDeleteAll(Boolean deleteAll) { m_deleteAll = deleteAll; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKey(MapKeyMetadata mapKey) { m_mapKey = mapKey; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyAssociationOverrides(List<AssociationOverrideMetadata> mapKeyAssociationOverrides) { m_mapKeyAssociationOverrides = mapKeyAssociationOverrides; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyAttributeOverrides(List<AttributeOverrideMetadata> mapKeyAttributeOverrides) { m_mapKeyAttributeOverrides = mapKeyAttributeOverrides; } /** * INTERNAL: */ @Override public void setMapKeyClass(MetadataClass mapKeyClass) { m_mapKeyClass = mapKeyClass; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyClassName(String mapKeyClassName) { m_mapKeyClassName = mapKeyClassName; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyColumn(ColumnMetadata mapKeyColumn) { m_mapKeyColumn = mapKeyColumn; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyConverts(List<ConvertMetadata> mapKeyConverts) { m_mapKeyConverts = mapKeyConverts; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyEnumerated(EnumeratedMetadata mapKeyEnumerated) { m_mapKeyEnumerated = mapKeyEnumerated; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyForeignKey(ForeignKeyMetadata mapKeyForeignKey) { m_mapKeyForeignKey = mapKeyForeignKey; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyJoinColumns(List<JoinColumnMetadata> mapKeyJoinColumns) { m_mapKeyJoinColumns = mapKeyJoinColumns; } /** * INTERNAL: * Used for OX mapping. */ public void setMapKeyTemporal(TemporalMetadata mapKeyTemporal) { m_mapKeyTemporal = mapKeyTemporal; } @Override public void setTemporal(TemporalMetadata metadata, boolean isForMapKey) { if (isForMapKey) { setMapKeyTemporal(metadata); } } /** * INTERNAL: * Used for OX mapping. */ public void setOrderBy(OrderByMetadata orderBy) { m_orderBy = orderBy; } /** * INTERNAL: * Used for OX mapping. */ public void setOrderColumn(OrderColumnMetadata orderColumn) { m_orderColumn = orderColumn; } /** * INTERNAL: * Used for OX mapping. */ public void setTargetClassName(String targetClassName) { m_targetClassName = targetClassName; } }