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*
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* and Distribution License("CDDL") (collectively, the "License"). You
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package oracle.toplink.essentials.internal.ejb.cmp3.metadata;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import oracle.toplink.essentials.descriptors.ClassDescriptor;
import oracle.toplink.essentials.descriptors.RelationalDescriptor;
import oracle.toplink.essentials.descriptors.VersionLockingPolicy;
import oracle.toplink.essentials.descriptors.TimestampLockingPolicy;
import oracle.toplink.essentials.internal.descriptors.OptimisticLockingPolicy;
import oracle.toplink.essentials.internal.ejb.cmp3.base.CMP3Policy;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.MetadataConstants;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.ClassAccessor;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.MetadataAccessor;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.accessors.RelationshipAccessor;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.columns.MetadataColumn;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.columns.MetadataJoinColumns;
import oracle.toplink.essentials.internal.ejb.cmp3.metadata.listeners.MetadataEntityListener;
import oracle.toplink.essentials.internal.ejb.cmp3.xml.XMLConstants;
import oracle.toplink.essentials.internal.helper.DatabaseField;
import oracle.toplink.essentials.internal.helper.DatabaseTable;
import oracle.toplink.essentials.mappings.DatabaseMapping;
/**
* Common metatata descriptor for the annotation and xml processors. This class
* is a wrap on an actual TopLink descriptor.
*
* @author Guy Pelletier
* @since TopLink EJB 3.0 Reference Implementation
*/
public class MetadataDescriptor {
protected ClassAccessor m_accessor;
protected ClassDescriptor m_descriptor;
protected Class m_javaClass;
protected boolean m_ignoreIDs;
protected boolean m_ignoreTables;
protected boolean m_isCascadePersist;
protected boolean m_ignoreAnnotations; // XML metadata complete
protected boolean m_ignoreInheritance;
protected Boolean m_usesPropertyAccess;
protected String m_xmlSchema; // XML metadata
protected String m_xmlCatalog; // XML metadata
protected String m_xmlAccess; // XML metadata
protected String m_primaryTableName;
protected String m_embeddedIdAttributeName;
protected List m_idAttributeNames;
protected List m_orderByAttributeNames;
protected List m_idOrderByAttributeNames;
protected List m_aggregateDescriptors;
protected Map m_pkClassIDs;
protected Map m_accessors;
protected Map m_pkJoinColumnAssociations;
protected Map m_attributeOverrides;
protected Map m_associationOverrides;
protected Map m_relationshipAccessors;
protected Map> m_biDirectionalManyToManyAccessors;
/**
* INTERNAL:
*/
public MetadataDescriptor(Class javaClass) {
init();
m_descriptor = new RelationalDescriptor();
m_descriptor.setExistenceChecking("Check database");
m_descriptor.setAlias("");
setJavaClass(javaClass);
}
/**
* INTERNAL:
*/
public void addAccessor(MetadataAccessor accessor) {
m_accessors.put(accessor.getAttributeName(), accessor);
if (accessor.isRelationship()) {
m_relationshipAccessors.put(accessor.getAttributeName(), (RelationshipAccessor) accessor);
}
// Store bidirectional ManyToMany relationships so that we may look at
// attribute names when defaulting join columns.
if (accessor.isManyToMany()) {
String mappedBy = ((RelationshipAccessor) accessor).getMappedBy();
if (! mappedBy.equals("")) {
String referenceClassName = accessor.getReferenceClassName();
// Initialize the map of bi-directional mappings for this class.
if (! m_biDirectionalManyToManyAccessors.containsKey(referenceClassName)) {
m_biDirectionalManyToManyAccessors.put(referenceClassName, new HashMap());
}
m_biDirectionalManyToManyAccessors.get(referenceClassName).put(mappedBy, accessor);
}
}
}
/**
* INTERNAL:
*/
public void addAggregateDescriptor(MetadataDescriptor aggregateDescriptor) {
m_aggregateDescriptors.add(aggregateDescriptor);
}
/**
* INTERNAL:
*/
public void addAssociationOverride(String attributeName, MetadataJoinColumns joinColumns) {
m_associationOverrides.put(attributeName, joinColumns);
}
/**
* INTERNAL:
*/
public void addAttributeOverride(MetadataColumn column) {
m_attributeOverrides.put(column.getAttributeName(), column);
}
/**
* INTERNAL:
*/
public void addClassIndicator(Class entityClass, String value) {
if (m_accessor.isInheritanceSubclass()) {
m_accessor.getInheritanceParentDescriptor().addClassIndicator(entityClass, value);
} else {
m_descriptor.getInheritancePolicy().addClassNameIndicator(entityClass.getName(), value);
}
}
/**
* INTERNAL:
*/
public void addDefaultEventListener(MetadataEntityListener listener) {
m_descriptor.getEventManager().addDefaultEventListener(listener);
}
/**
* INTERNAL:
*/
public void addEntityListenerEventListener(MetadataEntityListener listener) {
m_descriptor.getEventManager().addEntityListenerEventListener(listener);
}
/**
* INTERNAL:
*/
public void addIdAttributeName(String idAttributeName) {
m_idAttributeNames.add(idAttributeName);
}
/**
* INTERNAL:
*/
public void addMapping(DatabaseMapping mapping) {
m_descriptor.addMapping(mapping);
}
/**
* INTERNAL:
*/
public void addMultipleTableForeignKeyField(DatabaseField pkField, DatabaseField fkField) {
m_descriptor.addMultipleTableForeignKeyField(pkField, fkField);
m_pkJoinColumnAssociations.put(fkField.getName(), pkField.getName());
}
/**
* INTERNAL:
*/
public void addMultipleTablePrimaryKeyField(DatabaseField pkField, DatabaseField fkField) {
m_descriptor.addMultipleTablePrimaryKeyField(pkField, fkField);
}
/**
* INTERNAL:
* We store these to validate the primary class when processing
* the entity class.
*/
public void addPKClassId(String attributeName, Type type) {
m_pkClassIDs.put(attributeName, type);
}
/**
* INTERNAL:
*/
public void addPrimaryKeyField(DatabaseField field) {
m_descriptor.addPrimaryKeyField(field);
}
/**
* INTERNAL:
*/
public void addTable(DatabaseTable table) {
m_descriptor.addTable(table);
}
/**
* INTERNAL:
*/
public boolean excludeSuperclassListeners() {
return m_descriptor.getEventManager().excludeSuperclassListeners();
}
/**
* INTERNAL:
* This method will first check for an accessor with name equal to
* fieldOrPropertyName (that is, assumes it is a field name). If no accessor
* is found than it assumes fieldOrPropertyName is a property name and
* converts it to its corresponding field name and looks for the accessor
* again. If still no accessor is found and this descriptor metadata is
* and an inheritance sublcass, than it will then look on the root metadata
* descriptor. Null is returned otherwise.
*/
public MetadataAccessor getAccessorFor(String fieldOrPropertyName) {
MetadataAccessor accessor = m_accessors.get(fieldOrPropertyName);
if (accessor == null) {
// Perhaps we have a property name ...
accessor = m_accessors.get(MetadataHelper.getAttributeNameFromMethodName(fieldOrPropertyName));
// If still no accessor and we are an inheritance subclass, check
// the root descriptor now.
if (accessor == null && m_accessor.isInheritanceSubclass()) {
accessor = m_accessor.getInheritanceParentDescriptor().getAccessorFor(fieldOrPropertyName);
}
}
return accessor;
}
/**
* INTERNAL:
*/
public String getAlias() {
return m_descriptor.getAlias();
}
/**
* INTERNAL:
*/
public MetadataJoinColumns getAssociationOverrideFor(String attributeName) {
return m_associationOverrides.get(attributeName);
}
/**
* INTERNAL:
*/
public MetadataColumn getAttributeOverrideFor(String attributeName) {
return m_attributeOverrides.get(attributeName);
}
/**
* INTERNAL:
*/
public DatabaseField getClassIndicatorField() {
if (m_accessor.getInheritanceParentDescriptor() != null) {
return m_accessor.getInheritanceParentDescriptor().getClassDescriptor().getInheritancePolicy().getClassIndicatorField();
} else {
if (getClassDescriptor().hasInheritance()) {
return getClassDescriptor().getInheritancePolicy().getClassIndicatorField();
} else {
return null;
}
}
}
/**
* INTERNAL:
* The default table name is the descriptor alias, unless this descriptor
* metadata is an inheritance subclass with a SINGLE_TABLE strategy. Then
* it is the table name of the root descriptor metadata.
*/
public String getDefaultTableName() {
String defaultTableName = getAlias().toUpperCase();
if (m_accessor.isInheritanceSubclass()) {
if (m_accessor.getInheritanceParentDescriptor().usesSingleTableInheritanceStrategy()) {
defaultTableName = m_accessor.getInheritanceParentDescriptor().getPrimaryTableName();
}
}
return defaultTableName;
}
/**
* INTERNAL:
*/
public String getCatalog() {
return m_xmlCatalog;
}
/**
* INTERNAL:
*/
public ClassAccessor getClassAccessor() {
return m_accessor;
}
/**
* INTERNAL:
*/
public ClassDescriptor getClassDescriptor() {
return m_descriptor;
}
/**
* INTERNAL:
*/
public String getEmbeddedIdAttributeName() {
return m_embeddedIdAttributeName;
}
/**
* INTERNAL:
* Return the primary key attribute name for this entity.
*/
public String getIdAttributeName() {
if (getIdAttributeNames().isEmpty()) {
if (m_accessor.isInheritanceSubclass()) {
return m_accessor.getInheritanceParentDescriptor().getIdAttributeName();
} else {
return "";
}
} else {
return (String) getIdAttributeNames().get(0);
}
}
/**
* INTERNAL:
* Return the id attribute names declared on this descriptor metadata.
*/
public List getIdAttributeNames() {
return m_idAttributeNames;
}
/**
* INTERNAL:
* Return the primary key attribute names for this entity. If there are no
* id attribute names set then we are either:
* 1) an inheritance subclass, get the id attribute names from the root
* of the inheritance structure.
* 2) we have an embedded id. Get the id attribute names from the embedded
* descriptor metadata, which is equal the attribute names of all the
* direct to field mappings on that descriptor metadata. Currently does
* not traverse nested embeddables.
*/
public List getIdOrderByAttributeNames() {
if (m_idOrderByAttributeNames.isEmpty()) {
if (m_idAttributeNames.isEmpty()) {
if (m_accessor.isInheritanceSubclass()) {
// Get the id attribute names from our root parent.
m_idOrderByAttributeNames = m_accessor.getInheritanceParentDescriptor().getIdAttributeNames();
} else {
// We must have a composite primary key as a result of an embedded id.
m_idOrderByAttributeNames = getAccessorFor(getEmbeddedIdAttributeName()).getReferenceDescriptor().getOrderByAttributeNames();
}
} else {
m_idOrderByAttributeNames = m_idAttributeNames;
}
}
return m_idOrderByAttributeNames;
}
/**
* INTERNAL:
* Assumes hasBidirectionalManyToManyAccessorFor has been called before
* hand.
*/
public MetadataAccessor getBiDirectionalManyToManyAccessor(String className, String attributeName) {
return m_biDirectionalManyToManyAccessors.get(className).get(attributeName);
}
/**
* INTERNAL:
* This will return the attribute names for all the direct to field mappings
* on this descriptor metadata. This method will typically be called when an
* @Embedded or @EmbeddedId attribute has been specified in an @OrderBy.
*/
public List getOrderByAttributeNames() {
if (m_orderByAttributeNames.isEmpty()) {
for (DatabaseMapping mapping : getMappings()) {
if (mapping.isDirectToFieldMapping()) {
m_orderByAttributeNames.add(mapping.getAttributeName());
}
}
}
return m_orderByAttributeNames;
}
/**
* INTERNAL:
*/
public Class getJavaClass() {
return m_javaClass;
}
/**
* INTERNAL:
*/
public String getJavaClassName() {
return m_descriptor.getJavaClassName();
}
/**
* INTERNAL:
*/
public MetadataLogger getLogger() {
return getClassAccessor().getLogger();
}
/**
* INTERNAL:
*/
public DatabaseMapping getMappingForAttributeName(String attributeName) {
return getMappingForAttributeName(attributeName, null);
}
/**
* INTERNAL:
*
* Non-owning mappings that need to look up the owning mapping, should call
* this method with their respective accessor to check for circular mappedBy
* references. If the referencingAccessor is null, no check will be made.
*/
public DatabaseMapping getMappingForAttributeName(String attributeName, MetadataAccessor referencingAccessor) {
MetadataAccessor accessor = (MetadataAccessor) getAccessorFor(attributeName);
if (accessor != null) {
// If the accessor is a relationship accessor than it may or may
// not have been processed yet. Fast track its processing if it
// needs to be. The process call will do nothing if it has already
// been processed.
if (accessor.isRelationship()) {
RelationshipAccessor relationshipAccessor = (RelationshipAccessor) accessor;
// Check that we don't have circular mappedBy values which
// will cause an infinite loop.
if (referencingAccessor != null && ! relationshipAccessor.isManyToOne() && relationshipAccessor.getMappedBy().equals(referencingAccessor.getAttributeName())) {
getValidator().throwCircularMappedByReferences(referencingAccessor.getJavaClass(), referencingAccessor.getAttributeName(), getJavaClass(), attributeName);
}
relationshipAccessor.processRelationship();
}
return m_descriptor.getMappingForAttributeName(attributeName);
}
// We didn't find a mapping on this descriptor, check our aggregate
// descriptors now.
for (MetadataDescriptor aggregateDmd : m_aggregateDescriptors) {
DatabaseMapping mapping = aggregateDmd.getMappingForAttributeName(attributeName, referencingAccessor);
if (mapping != null) {
return mapping;
}
}
// We didn't find a mapping on the aggregate descriptors. If we are an
// inheritance subclass, check for a mapping on the inheritance root
// descriptor metadata.
if (m_accessor.isInheritanceSubclass()) {
return m_accessor.getInheritanceParentDescriptor().getMappingForAttributeName(attributeName, referencingAccessor);
}
// Found nothing ... return null.
return null;
}
/**
* INTERNAL:
*/
public List getMappings() {
return m_descriptor.getMappings();
}
/**
* INTERNAL:
*/
public String getPKClassName() {
String pkClassName = null;
if (m_descriptor.hasCMPPolicy()) {
pkClassName = ((CMP3Policy) m_descriptor.getCMPPolicy()).getPKClassName();
}
return pkClassName;
}
/**
* INTERNAL:
* Method to return the primary key field name for the given descriptor
* metadata. Assumes there is one.
*/
public String getPrimaryKeyFieldName() {
return ((DatabaseField)(getPrimaryKeyFields().iterator().next())).getName();
}
/**
* INTERNAL:
* Method to return the primary key field names for the given descriptor
* metadata. getPrimaryKeyFieldNames() on ClassDescriptor returns qualified
* names. We don't want that.
*/
public List getPrimaryKeyFieldNames() {
List primaryKeyFields = getPrimaryKeyFields();
List primaryKeyFieldNames = new ArrayList(primaryKeyFields.size());
for (DatabaseField primaryKeyField : primaryKeyFields) {
primaryKeyFieldNames.add(primaryKeyField.getName());
}
return primaryKeyFieldNames;
}
/**
* INTERNAL:
* Return the primary key fields for this descriptor metadata. If this is
* an inheritance subclass and it has no primary key fields, then grab the
* primary key fields from the root.
*/
public List getPrimaryKeyFields() {
List primaryKeyFields = m_descriptor.getPrimaryKeyFields();
if (primaryKeyFields.isEmpty() && m_accessor.isInheritanceSubclass()) {
primaryKeyFields = m_accessor.getInheritanceParentDescriptor().getPrimaryKeyFields();
}
return primaryKeyFields;
}
/**
* INTERNAL:
* Recursively check the potential chaining of the primart key fields from
* a inheritance subclass, all the way to the root of the inheritance
* hierarchy.
*/
public String getPrimaryKeyJoinColumnAssociation(String foreignKeyName) {
String primaryKeyName = m_pkJoinColumnAssociations.get(foreignKeyName);
if (primaryKeyName == null || ! m_accessor.isInheritanceSubclass()) {
return foreignKeyName;
} else {
return m_accessor.getInheritanceParentDescriptor().getPrimaryKeyJoinColumnAssociation(primaryKeyName);
}
}
/**
* INTERNAL:
* Assumes there is one primary key field set. This method should be called
* when qualifying any primary key field (from a join column) for this
* descriptor. This method was created because in an inheritance hierarchy
* with a joined strategy we can't use getPrimaryTableName() since it would
* return the wrong table name. From the spec, the primary key must be
* defined on the entity that is the root of the entity hierarchy or on a
* mapped superclass of the entity hierarchy. The primary key must be
* defined exactly once in an entity hierarchy.
*/
public String getPrimaryKeyTableName() {
return ((DatabaseField)(getPrimaryKeyFields().iterator().next())).getTable().getQualifiedName();
}
/**
* INTERNAL:
*/
public String getPrimaryTableName() {
if (m_primaryTableName == null && m_accessor.isInheritanceSubclass()) {
return m_accessor.getInheritanceParentDescriptor().getPrimaryTableName();
} else {
if (m_descriptor.isAggregateDescriptor()) {
// Aggregate descriptors don't have table names.
return "";
}
return m_primaryTableName;
}
}
/**
* INTERNAL:
*/
public MetadataProject getProject() {
return getClassAccessor().getProject();
}
/**
* INTERNAL:
*/
public Collection getRelationshipAccessors() {
return m_relationshipAccessors.values();
}
/**
* INTERNAL:
*/
public String getSchema() {
return m_xmlSchema;
}
/**
* INTERNAL:
*/
public DatabaseField getSequenceNumberField() {
return m_descriptor.getSequenceNumberField();
}
/**
* INTERNAL:
*/
public MetadataValidator getValidator() {
return getClassAccessor().getValidator();
}
/**
* INTERNAL:
*/
public boolean hasAssociationOverrideFor(String attributeName) {
return m_associationOverrides.containsKey(attributeName);
}
/**
* INTERNAL:
*/
public boolean hasAttributeOverrideFor(String attributeName) {
return m_attributeOverrides.containsKey(attributeName);
}
/**
* INTERNAL:
*/
public boolean hasCompositePrimaryKey() {
return getPrimaryKeyFields().size() > 1 || getPKClassName() != null;
}
/**
* INTERNAL:
*/
public boolean hasEmbeddedIdAttribute() {
return m_embeddedIdAttributeName != null;
}
/**
* INTERNAL:
*/
public boolean hasInheritance() {
return m_descriptor.hasInheritance();
}
/**
* INTERNAL:
*/
public boolean hasBiDirectionalManyToManyAccessorFor(String className, String attributeName) {
if (m_biDirectionalManyToManyAccessors.containsKey(className)) {
return m_biDirectionalManyToManyAccessors.get(className).containsKey(attributeName);
}
return false;
}
/**
* INTERNAL:
*/
public boolean hasMappingForAttributeName(String attributeName) {
return m_descriptor.getMappingForAttributeName(attributeName) != null;
}
/**
* INTERNAL:
* Return true is the descriptor has primary key fields set.
*/
public boolean hasPrimaryKeyFields() {
return m_descriptor.getPrimaryKeyFields().size() > 0;
}
/**
* INTERNAL:
*/
public boolean ignoreIDs() {
return m_ignoreIDs;
}
/**
* INTERNAL:
*/
public boolean ignoreInheritance() {
return m_ignoreInheritance;
}
/**
* INTERNAL:
*/
public boolean ignoreTables() {
return m_ignoreTables;
}
/**
* INTERNAL:
*/
private void init() {
m_xmlAccess = "";
m_xmlSchema = "";
m_xmlCatalog = "";
m_ignoreIDs = false;
m_ignoreTables = false;
m_isCascadePersist = false;
m_ignoreInheritance = false;
m_ignoreAnnotations = false;
m_idAttributeNames = new ArrayList();
m_orderByAttributeNames = new ArrayList();
m_idOrderByAttributeNames = new ArrayList();
m_aggregateDescriptors = new ArrayList();
m_pkClassIDs = new HashMap();
m_accessors = new HashMap();
m_pkJoinColumnAssociations = new HashMap();
m_attributeOverrides = new HashMap();
m_associationOverrides = new HashMap();
m_relationshipAccessors = new HashMap();
m_biDirectionalManyToManyAccessors = new HashMap>();
}
/**
* INTERNAL:
* Indicates that cascade-persist should be applied to all relationship
* mappings for this entity.
*/
public boolean isCascadePersist() {
return m_isCascadePersist;
}
/**
* INTERNAL:
*/
public boolean isEmbeddable() {
return m_descriptor.isAggregateDescriptor();
}
/**
* INTERNAL:
*/
public boolean isEmbeddableCollection() {
return m_descriptor.isAggregateCollectionDescriptor();
}
/**
* INTERNAL:
* Indicates that we found an XML field access type for this metadata
* descriptor.
*/
public boolean isXmlFieldAccess() {
return m_xmlAccess.equals(XMLConstants.FIELD);
}
/**
* INTERNAL:
* Indicates that we found an XML property access type for this metadata
* descriptor.
*/
public boolean isXmlPropertyAccess() {
return m_xmlAccess.equals(XMLConstants.PROPERTY);
}
/**
* INTERNAL:
*/
public boolean pkClassWasNotValidated() {
return ! m_pkClassIDs.isEmpty();
}
/**
* INTERNAL:
*/
public void setAccess(String access) {
m_xmlAccess = access;
}
/**
* INTERNAL:
*/
public void setAlias(String alias) {
m_descriptor.setAlias(alias);
}
/**
* INTERNAL:
*/
public void setCatalog(String xmlCatalog) {
m_xmlCatalog = xmlCatalog;
}
/**
* INTERNAL:
*/
public void setClassAccessor(ClassAccessor accessor) {
m_accessor = accessor;
}
/**
* INTERNAL:
*/
public void setClassIndicatorField(DatabaseField field) {
m_descriptor.getInheritancePolicy().setClassIndicatorField(field);
}
/**
* INTERNAL:
*/
public void setDescriptor(ClassDescriptor descriptor) {
m_descriptor = descriptor;
}
/**
* INTERNAL:
*/
public void setEmbeddedIdAttributeName(String embeddedIdAttributeName) {
m_embeddedIdAttributeName = embeddedIdAttributeName;
}
/**
* INTERNAL:
*/
public void setEntityEventListener(MetadataEntityListener listener) {
m_descriptor.getEventManager().setEntityEventListener(listener);
}
/**
* INTERNAL:
*/
public void setExcludeDefaultListeners(boolean excludeDefaultListeners) {
m_descriptor.getEventManager().setExcludeDefaultListeners(excludeDefaultListeners);
}
/**
* INTERNAL:
*/
public void setExcludeSuperclassListeners(boolean excludeSuperclassListeners) {
m_descriptor.getEventManager().setExcludeSuperclassListeners(excludeSuperclassListeners);
}
/**
* INTERNAL:
*/
public void setIgnoreFlags() {
m_ignoreInheritance = m_descriptor.hasInheritance();
m_ignoreTables = m_descriptor.getTableNames().size() > 0;
m_ignoreIDs = m_descriptor.getPrimaryKeyFieldNames().size() > 0;
}
/**
* INTERNAL:
* Stored on the root class of an inheritance hierarchy.
*/
public void setInheritanceStrategy(String inheritanceStrategy) {
if (inheritanceStrategy.equals(MetadataConstants.TABLE_PER_CLASS)) {
getValidator().throwTablePerClassInheritanceNotSupported(getJavaClass());
} else if (inheritanceStrategy.equals(MetadataConstants.SINGLE_TABLE)) {
m_descriptor.getInheritancePolicy().setSingleTableStrategy();
} else {
m_descriptor.getInheritancePolicy().setJoinedStrategy();
}
}
/**
* INTERNAL:
* Indicates that cascade-persist should be added to the set of cascade
* values for all relationship mappings.
*/
public void setIsCascadePersist(boolean isCascadePersist) {
m_isCascadePersist = isCascadePersist;
}
/**
* INTERNAL:
*/
public void setIsEmbeddable() {
m_descriptor.descriptorIsAggregate();
}
/**
* INTERNAL:
*/
public void setIsIsolated(boolean isIsolated) {
m_descriptor.setIsIsolated(isIsolated);
}
/**
* INTERNAL:
* Used to set this descriptors java class.
*/
public void setJavaClass(Class javaClass) {
m_javaClass = javaClass;
m_descriptor.setJavaClassName(javaClass.getName());
}
/**
* INTERNAL:
*/
protected void setOptimisticLockingPolicy(OptimisticLockingPolicy policy) {
m_descriptor.setOptimisticLockingPolicy(policy);
}
/**
* INTERNAL:
* Set the inheritance parent class for this class.
*/
public void setParentClass(Class parent) {
m_descriptor.getInheritancePolicy().setParentClassName(parent.getName());
}
/**
* INTERNAL:
*/
public void setPKClass(Class pkClass) {
setPKClass(pkClass.getName());
}
/**
* INTERNAL:
*/
public void setPKClass(String pkClassName) {
CMP3Policy policy = new CMP3Policy();
policy.setPrimaryKeyClassName(pkClassName);
m_descriptor.setCMPPolicy(policy);
}
/**
* INTERNAL:
*/
public void setPrimaryTable(DatabaseTable primaryTable) {
addTable(primaryTable);
m_primaryTableName = primaryTable.getQualifiedName();
}
/**
* INTERNAL:
*/
public void setSchema(String xmlSchema) {
m_xmlSchema = xmlSchema;
}
/**
* INTERNAL:
*/
public void setSequenceNumberField(DatabaseField field) {
m_descriptor.setSequenceNumberField(field);
}
/**
* INTERNAL:
*/
public void setSequenceNumberName(String name) {
m_descriptor.setSequenceNumberName(name);
}
/**
* INTERNAL:
* Indicates that all annotations should be ignored, and only default values
* set by the annotations processor.
*/
public void setIgnoreAnnotations(boolean ignoreAnnotations) {
m_ignoreAnnotations = ignoreAnnotations;
}
/**
* INTERNAL:
* Sets the strategy on the descriptor's inheritance policy to SINGLE_TABLE.
* The default is JOINED.
*/
public void setSingleTableInheritanceStrategy() {
m_descriptor.getInheritancePolicy().setSingleTableStrategy();
}
/**
* INTERNAL:
* Indicates whether or not annotations should be ignored, i.e. only default
* values processed.
*/
public boolean ignoreAnnotations() {
return m_ignoreAnnotations;
}
/**
* INTERNAL:
*
* Set the access-type while processing a class like Embeddable as it
* inherits the access-type from the referencing entity.
*/
public void setUsesPropertyAccess(Boolean usesPropertyAccess) {
m_usesPropertyAccess = usesPropertyAccess;
}
/**
* INTERNAL:
* Indicates if the strategy on the descriptor's inheritance policy is
* JOINED.
*/
public boolean usesJoinedInheritanceStrategy() {
return m_descriptor.getInheritancePolicy().isJoinedStrategy();
}
/**
* INTERNAL:
*/
public boolean usesOptimisticLocking() {
return m_descriptor.usesOptimisticLocking();
}
/**
* INTERNAL:
* Returns true if this class uses property access. In an inheritance
* hierarchy, the subclasses inherit their access type from the parent.
* The metadata helper method caches the class access types for
* efficiency.
*/
public boolean usesPropertyAccess() {
if (m_accessor.isInheritanceSubclass()) {
return m_accessor.getInheritanceParentDescriptor().usesPropertyAccess();
} else {
if (m_usesPropertyAccess == null) {
if (MetadataHelper.havePersistenceAnnotationsDefined(MetadataHelper.getFields(getJavaClass())) || isXmlFieldAccess()) {
if (isXmlPropertyAccess()) {
// WIP - throw an exception.
}
// We have persistence annotations defined on a field from
// the entity or field access has been set via XML, set the
// access to FIELD.
m_usesPropertyAccess = new Boolean(false);
} else if (MetadataHelper.havePersistenceAnnotationsDefined(MetadataHelper.getDeclaredMethods(getJavaClass())) || isXmlPropertyAccess()) {
if (isXmlFieldAccess()) {
// WIP - throw an exception.
}
// We have persistence annotations defined on a method from
// the entity or method access has been set via XML, set the
// access to PROPERTY.
m_usesPropertyAccess = new Boolean(true);
} else {
for (ClassAccessor mappedSuperclass : getClassAccessor().getMappedSuperclasses()) {
if (MetadataHelper.havePersistenceAnnotationsDefined(MetadataHelper.getFields(mappedSuperclass.getJavaClass()))) {
// We have persistence annotations defined on a
// field from a mapped superclass, set the access
// to FIELD.
m_usesPropertyAccess = new Boolean(false);
break;
} else if (MetadataHelper.havePersistenceAnnotationsDefined(MetadataHelper.getDeclaredMethods(mappedSuperclass.getJavaClass()))) {
// We have persistence annotations defined on a
// method from a mapped superclass, set the access
// to FIELD.
m_usesPropertyAccess = new Boolean(true);
break;
}
}
// We still found nothing ... we should throw an exception
// here, but for now, set the access to PROPERTY. The user
// will eventually get an exception saying there is no
// primary key set if property access is not actually the
// case.
if (m_usesPropertyAccess == null) {
m_usesPropertyAccess = new Boolean(true);
}
}
}
return m_usesPropertyAccess;
}
}
/**
* INTERNAL:
* Indicates if the strategy on the descriptor's inheritance policy is
* SINGLE_TABLE.
*/
public boolean usesSingleTableInheritanceStrategy() {
return ! usesJoinedInheritanceStrategy();
}
/**
* INTERNAL:
*/
public void useTimestampLockingPolicy(DatabaseField field) {
useVersionLockingPolicy(new TimestampLockingPolicy(field));
}
/**
* INTERNAL:
*/
public void useVersionLockingPolicy(DatabaseField field) {
useVersionLockingPolicy(new VersionLockingPolicy(field));
}
/**
* INTERNAL:
*/
protected void useVersionLockingPolicy(VersionLockingPolicy policy) {
policy.storeInObject();
setOptimisticLockingPolicy(policy);
}
/**
* INTERNAL:
* This method is used only to validate id fields that were found on a
* pk class were also found on the entity.
*/
public void validatePKClassId(String attributeName, Type type) {
if (m_pkClassIDs.containsKey(attributeName)) {
Type expectedType = m_pkClassIDs.get(attributeName);
if (type == expectedType) {
m_pkClassIDs.remove(attributeName);
} else {
getValidator().throwInvalidCompositePKAttribute(getJavaClass(), getPKClassName(), attributeName, expectedType, type);
}
}
}
}
