Java Doc for PersistentTransaction.java in  » J2EE » Jaffa » org » jaffa » persistence » engines » jdbcengine » datasource » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » Jaffa » org.jaffa.persistence.engines.jdbcengine.datasource   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.jaffa.persistence.engines.jdbcengine.datasource.PersistentTransaction PersistentTransaction public class PersistentTransaction (Code) This class is used to hold a connection to the database. It holds collections of objects to be added, updated, deleted or queried. The UOW will add objects to these collections. The JdbcBridge will utilise the collections to perform the relevant operations. It is important to invoke the close() method, which will free up the pooled connection. Constructor Summary public   PersistentTransaction(Database database)      Creates a PersitentTransaction. Method Summary public  void addObject(IPersistent object)      Adds an object to the transaction to be written. public  void close()      This will free up the underlying pooled connection. public  void commit()      Commits all changes executed against the persistent store. public  void deleteObject(IPersistent object)      Adds an object to the transaction to be deleted. public  Collection getAdds()      Returns a Collection of Persistent objects to be added to the persistent store. public  DataSource getDataSource()      Returns the DataSource holding the Connection. public  Collection getDeletes()      Returns a Collection of Persistent objects to be deleted from the persistent store. public  Collection getQueries()      Returns a Collection of Criteria objects to be used for querying the persistent store. public  Collection getUpdates()      Returns a Collection of Persistent objects to be updated in the persistent store. public  void queryObject(Criteria object)      Adds a Criteria object to the transaction for performing a query. public  void rollback()      Rollback the changes executed against the persistent store. public  void updateObject(IPersistent object)      Adds an object to the transaction to be updated. Constructor Detail PersistentTransaction public PersistentTransaction(Database database) throws DataSourceCreationException(Code) Creates a PersitentTransaction. It uses the input Database configuration to acquire a Connection to the database. Parameters:   database - The object with the requisite information for acquiring a Connection to the database. throws:   DataSourceCreationException - if the connection could not be acquired. Method Detail addObject public void addObject(IPersistent object) throws AddFailedException, IllegalPersistentStateRuntimeException(Code) Adds an object to the transaction to be written. The PreAdd trigger for will be invoked and the domain object will be validated before the addition to the transaction. Parameters:   object - the object to be created. throws:   AddFailedException - if any error occurs during the validation of the persistent object. throws:   IllegalPersistentStateRuntimeException - this RuntimeException will be thrown if the domain object has been submitted to the UOW for an Add/Update/Delete and commit hasnt yet been performed. close public void close() throws SQLException(Code) This will free up the underlying pooled connection. It will first do an implicit rollback(). throws:   SQLException - if any database error occurs. commit public void commit() throws SQLException(Code) Commits all changes executed against the persistent store. throws:   SQLException - if any database error occurs. deleteObject public void deleteObject(IPersistent object) throws DeleteFailedException, IllegalPersistentStateRuntimeException(Code) Adds an object to the transaction to be deleted. The PreDelete trigger will be invoked before the deletion from the transaction. Parameters:   object - the object to be deleted. throws:   DeleteFailedException - if any error occurs during the process. throws:   IllegalPersistentStateRuntimeException - this RuntimeException will be thrown if the domain object has been submitted to the UOW for an Add/Update/Delete and commit hasnt yet been performed. getAdds public Collection getAdds()(Code) Returns a Collection of Persistent objects to be added to the persistent store. a Collection of objects to be added. getDataSource public DataSource getDataSource()(Code) Returns the DataSource holding the Connection. the DataSource. getDeletes public Collection getDeletes()(Code) Returns a Collection of Persistent objects to be deleted from the persistent store. a Collection of objects to be deleted. getQueries public Collection getQueries()(Code) Returns a Collection of Criteria objects to be used for querying the persistent store. a Collection of Criteria objects to be used for queries. getUpdates public Collection getUpdates()(Code) Returns a Collection of Persistent objects to be updated in the persistent store. a Collection of objects to be updated. queryObject public void queryObject(Criteria object)(Code) Adds a Criteria object to the transaction for performing a query. Parameters:   object - the Criteria based on which a query is to be performed. rollback public void rollback() throws SQLException(Code) Rollback the changes executed against the persistent store. throws:   SQLException - if any database error occurs. updateObject public void updateObject(IPersistent object) throws UpdateFailedException, IllegalPersistentStateRuntimeException(Code) Adds an object to the transaction to be updated. The PreUpdate trigger will be invoked and the domain object will be validated before the updation to the transaction. Parameters:   object - the object to be updated. throws:   UpdateFailedException - if any error occurs during the validation of the persistent object. throws:   IllegalPersistentStateRuntimeException - this RuntimeException will be thrown if the domain object has been submitted to the UOW for an Add/Update/Delete and commit hasnt yet been performed. 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)