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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.broker.accesslayer   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.ojb.broker.accesslayer.BasePrefetcher       org.apache.ojb.broker.accesslayer.RelationshipPrefetcherImpl          org.apache.ojb.broker.accesslayer.CollectionPrefetcher All known Subclasses:   org.apache.ojb.broker.accesslayer.MtoNCollectionPrefetcher, CollectionPrefetcher public class CollectionPrefetcher extends RelationshipPrefetcherImpl (Code) Relationship Prefetcher for Collections. author:    Jakob Braeuchi version:    $Id: CollectionPrefetcher.java,v 1.29.2.5 2005/12/21 22:22:58 tomdz Exp $ Constructor Summary public   CollectionPrefetcher(PersistenceBrokerImpl aBroker, ObjectReferenceDescriptor anOrd)      Constructor for CollectionPrefetcher. Method Summary protected  void associateBatched(Collection owners, Collection children)      protected  Query[] buildPrefetchQueries(Collection owners, Collection children)      protected  Query buildPrefetchQuery(Collection ids)      protected  ManageableCollection createCollection(CollectionDescriptor desc, Class collectionClass)      Create a collection object of the given collection type. protected  CollectionDescriptor getCollectionDescriptor()      Constructor Detail CollectionPrefetcher public CollectionPrefetcher(PersistenceBrokerImpl aBroker, ObjectReferenceDescriptor anOrd)(Code) Constructor for CollectionPrefetcher. Parameters:   aBroker - Parameters:   anOrd - Method Detail associateBatched protected void associateBatched(Collection owners, Collection children)(Code) associate the batched Children with their owner object loop over children buildPrefetchQueries protected Query[] buildPrefetchQueries(Collection owners, Collection children)(Code) Build the multiple queries for one relationship because of limitation of IN(...) Parameters:   owners - Collection containing all objects of the ONE side buildPrefetchQuery protected Query buildPrefetchQuery(Collection ids)(Code) Build the query to perform a batched read get orderBy settings from CollectionDescriptor Parameters:   ids - Collection containing all identities of objects of the ONE side createCollection protected ManageableCollection createCollection(CollectionDescriptor desc, Class collectionClass)(Code) Create a collection object of the given collection type. If none has been given, OJB uses RemovalAwareList, RemovalAwareSet, or RemovalAwareCollection depending on the field type. Parameters:   desc - The collection descriptor Parameters:   collectionClass - The collection class specified in the collection-descriptor The collection object getCollectionDescriptor protected CollectionDescriptor getCollectionDescriptor()(Code) Methods inherited from org.apache.ojb.broker.accesslayer.RelationshipPrefetcherImpl protected ObjectReferenceDescriptor getObjectReferenceDescriptor()(Code)(Java Doc) protected ClassDescriptor getOwnerClassDescriptor()(Code)(Java Doc) protected boolean isCascadeRetrieve()(Code)(Java Doc) public void prepareRelationshipSettings()(Code)(Java Doc) public void restoreRelationshipSettings()(Code)(Java Doc) protected void setCascadeRetrieve(boolean cascadeRetrieve)(Code)(Java Doc) protected void setObjectReferenceDescriptor(ObjectReferenceDescriptor objectReferenceDescriptor)(Code)(Java Doc) Fields inherited from org.apache.ojb.broker.accesslayer.BasePrefetcher final protected static int IN_LIMIT(Code)(Java Doc) protected ClassDescriptor itemClassDesc(Code)(Java Doc) final protected int pkLimit(Code)(Java Doc) Methods inherited from org.apache.ojb.broker.accesslayer.BasePrefetcher abstract protected void associateBatched(Collection owners, Collection children)(Code)(Java Doc) protected Criteria buildPrefetchCriteria(Collection ids, FieldDescriptor[] fields)(Code)(Java Doc) abstract protected Query[] buildPrefetchQueries(Collection owners, Collection children)(Code)(Java Doc) protected QueryByCriteria buildPrefetchQuery(Collection ids, FieldDescriptor[] fields)(Code)(Java Doc) protected QueryByCriteria buildPrefetchQuery(Class clazz, Collection ids, FieldDescriptor[] fields)(Code)(Java Doc) protected PersistenceBrokerImpl getBroker()(Code)(Java Doc) protected DescriptorRepository getDescriptorRepository()(Code)(Java Doc) public ClassDescriptor getItemClassDescriptor()(Code)(Java Doc) public int getLimit()(Code)(Java Doc) protected Logger getLogger()(Code)(Java Doc) public void prefetchRelationship(Collection owners)(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)