Java Doc for DSetImpl.java in  » Database-ORM » db-ojb » org » apache » ojb » odmg » collections » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » db ojb » org.apache.ojb.odmg.collections   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.util.AbstractSet    org.apache.ojb.odmg.collections.DSetImpl DSetImpl public class DSetImpl extends AbstractSet implements DSet,Serializable,PersistenceBrokerAware,ManageableCollection(Code) Constructor Summary public   DSetImpl()      public   DSetImpl(PBKey pbKey)      DSetImpl constructor comment. Method Summary public  boolean add(Object o)      public  void afterDelete(PersistenceBroker broker)      public  void afterInsert(PersistenceBroker broker)      public  void afterLookup(PersistenceBroker broker)      public  void afterStore(PersistenceBroker broker)      public  void afterUpdate(PersistenceBroker broker)      public  void beforeDelete(PersistenceBroker broker)      public  void beforeInsert(PersistenceBroker broker)      prepare itself for persistence. public  void beforeUpdate(PersistenceBroker broker)      protected  boolean checkForOpenTransaction(TransactionImpl tx)      public  DSet difference(DSet otherSet)      Create a new DSet object that contains the elements of this collection minus the elements in otherSet. public  boolean existsElement(String predicate)      Determines whether there is an element of the collection that evaluates to true for the predicate. public  List getElements()      public  Integer getId()      protected  Logger getLog()      public  PBKey getPBKey()      protected  TransactionImpl getTransaction()      public  DSet intersection(DSet otherSet)      Create a new DSet object that is the set intersection of this DSet object and the set referenced by otherSet. public  Iterator iterator()      Returns an iterator over the elements in this collection. public  void ojbAdd(Object anObject)      add a single Object to the Collection. public  void ojbAddAll(ManageableCollection otherCollection)      adds a Collection to this collection. public  Iterator ojbIterator()      returns an Iterator over all elements in the collection. public  boolean properSubsetOf(org.odmg.DSet otherSet)      Determine whether this set is a proper subset of the set referenced by otherSet. Parameters:   otherSet - Another set. public  boolean properSupersetOf(org.odmg.DSet otherSet)      Determine whether this set is a proper superset of the set referenced by otherSet. Parameters:   otherSet - Another set. public  DCollection query(String predicate)      Evaluate the boolean query predicate for each element of the collection and return a new collection that contains each element that evaluated to true. public  boolean remove(Object o)      public  boolean removeAll(Collection c)      public  Iterator select(String predicate)      Access all of the elements of the collection that evaluate to true for the provided query predicate. public  Object selectElement(String predicate)      Selects the single element of the collection for which the provided OQL query predicate is true. Parameters:   predicate - An OQL boolean query predicate. public  void setElements(List elements)      public  void setElements(Vector elements)      Sets the elements. public  void setId(Integer id)      Sets the id. public  void setPBKey(PBKey pbKey)      public  int size()      Returns the number of elements in this collection. public  boolean subsetOf(DSet otherSet)      Determine whether this set is a subset of the set referenced by otherSet. Parameters:   otherSet - Another set. public  boolean supersetOf(DSet otherSet)      Determine whether this set is a superset of the set referenced by otherSet. Parameters:   otherSet - Another set. public  DSet union(DSet otherSet)      Create a new DSet object that is the set union of this DSet object and the set referenced by otherSet. Constructor Detail DSetImpl public DSetImpl()(Code) Used by PB-Kernel to instantiate ManageableCollections FOR INTERNAL USE ONLY DSetImpl public DSetImpl(PBKey pbKey)(Code) DSetImpl constructor comment. Method Detail add public boolean add(Object o)(Code) afterDelete public void afterDelete(PersistenceBroker broker) throws PersistenceBrokerException(Code) noop afterInsert public void afterInsert(PersistenceBroker broker) throws PersistenceBrokerException(Code) noop afterLookup public void afterLookup(PersistenceBroker broker) throws PersistenceBrokerException(Code) noop afterStore public void afterStore(PersistenceBroker broker) throws PersistenceBrokerException(Code) afterUpdate public void afterUpdate(PersistenceBroker broker) throws PersistenceBrokerException(Code) noop beforeDelete public void beforeDelete(PersistenceBroker broker) throws PersistenceBrokerException(Code) noop beforeInsert public void beforeInsert(PersistenceBroker broker) throws PersistenceBrokerException(Code) prepare itself for persistence. Each DList entry generates an org.apache.ojb.broker.Identity for the wrapped persistent object. beforeUpdate public void beforeUpdate(PersistenceBroker broker) throws PersistenceBrokerException(Code) noop checkForOpenTransaction protected boolean checkForOpenTransaction(TransactionImpl tx)(Code) difference public DSet difference(DSet otherSet)(Code) Create a new DSet object that contains the elements of this collection minus the elements in otherSet. Parameters:   otherSet - A set containing elements that should not be in the result set. A newly created DSet instance that contains the elementsof this set minus those elements in otherSet. existsElement public boolean existsElement(String predicate) throws org.odmg.QueryInvalidException(Code) Determines whether there is an element of the collection that evaluates to true for the predicate. Parameters:   predicate - An OQL boolean query predicate. True if there is an element of the collection that evaluates to truefor the predicate, otherwise false. exception:   org.odmg.QueryInvalidException - The query predicate is invalid. getElements public List getElements()(Code) getId public Integer getId()(Code) getLog protected Logger getLog()(Code) getPBKey public PBKey getPBKey()(Code) getTransaction protected TransactionImpl getTransaction()(Code) intersection public DSet intersection(DSet otherSet)(Code) Create a new DSet object that is the set intersection of this DSet object and the set referenced by otherSet. Parameters:   otherSet - The other set to be used in the intersection operation. A newly created DSet instance that contains theintersection of the two sets. iterator public Iterator iterator()(Code) Returns an iterator over the elements in this collection. There are no guarantees concerning the order in which the elements are returned (unless this collection is an instance of some class that provides a guarantee). an Iterator over the elements in this collection ojbAdd public void ojbAdd(Object anObject)(Code) add a single Object to the Collection. This method is used during reading Collection elements from the database. Thus it is is save to cast anObject to the underlying element type of the collection. ojbAddAll public void ojbAddAll(ManageableCollection otherCollection)(Code) adds a Collection to this collection. Used in reading Extents from the Database. Thus it is save to cast otherCollection to this.getClass(). ojbIterator public Iterator ojbIterator()(Code) returns an Iterator over all elements in the collection. Used during store and delete Operations. If the implementor does not return an iterator over ALL elements, OJB cannot store and delete all elements properly. properSubsetOf public boolean properSubsetOf(org.odmg.DSet otherSet)(Code) Determine whether this set is a proper subset of the set referenced by otherSet. Parameters:   otherSet - Another set. True if this set is a proper subset of the set referenced byotherSet, otherwise false. properSupersetOf public boolean properSupersetOf(org.odmg.DSet otherSet)(Code) Determine whether this set is a proper superset of the set referenced by otherSet. Parameters:   otherSet - Another set. True if this set is a proper superset of the set referenced byotherSet, otherwise false. query public DCollection query(String predicate) throws org.odmg.QueryInvalidException(Code) Evaluate the boolean query predicate for each element of the collection and return a new collection that contains each element that evaluated to true. Parameters:   predicate - An OQL boolean query predicate. A new collection containing the elements that evaluated true for the predicate. exception:   org.odmg.QueryInvalidException - The query predicate is invalid. remove public boolean remove(Object o)(Code) removeAll public boolean removeAll(Collection c)(Code) select public Iterator select(String predicate) throws org.odmg.QueryInvalidException(Code) Access all of the elements of the collection that evaluate to true for the provided query predicate. Parameters:   predicate - An OQL boolean query predicate. An iterator used to iterate over the elements that evaluated true for the predicate. exception:   org.odmg.QueryInvalidException - The query predicate is invalid. selectElement public Object selectElement(String predicate) throws org.odmg.QueryInvalidException(Code) Selects the single element of the collection for which the provided OQL query predicate is true. Parameters:   predicate - An OQL boolean query predicate. The element that evaluates to true for the predicate. If no elementevaluates to true, null is returned. exception:   org.odmg.QueryInvalidException - The query predicate is invalid. setElements public void setElements(List elements)(Code) setElements public void setElements(Vector elements)(Code) Sets the elements. Parameters:   elements - The elements to set setId public void setId(Integer id)(Code) Sets the id. Parameters:   id - The id to set setPBKey public void setPBKey(PBKey pbKey)(Code) size public int size()(Code) Returns the number of elements in this collection. If this collection contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE. the number of elements in this collection subsetOf public boolean subsetOf(DSet otherSet)(Code) Determine whether this set is a subset of the set referenced by otherSet. Parameters:   otherSet - Another set. True if this set is a subset of the set referenced by otherSet,otherwise false. supersetOf public boolean supersetOf(DSet otherSet)(Code) Determine whether this set is a superset of the set referenced by otherSet. Parameters:   otherSet - Another set. True if this set is a superset of the set referenced by otherSet,otherwise false. union public DSet union(DSet otherSet)(Code) Create a new DSet object that is the set union of this DSet object and the set referenced by otherSet. Parameters:   otherSet - The other set to be used in the union operation. A newly created DSet instance that contains the union of the two sets. Methods inherited from java.util.AbstractSet public boolean equals(Object o)(Code)(Java Doc) public int hashCode()(Code)(Java Doc) public boolean removeAll(Collection c)(Code)(Java Doc)