import org.apache.ojb.broker.core.PersistenceBrokerFactoryIF; //导入依赖的package包/类
/**
 * Constructor for PBPrevaylerImpl.
 * @param key
 * @param pbf
 */
public PBPrevaylerImpl(PBKey key, PersistenceBrokerFactoryIF pbf)
{
	super(key, pbf);
    refresh();
    if(key == null) throw new PersistenceBrokerException("Could not instantiate broker with PBKey 'null'");
    this.pbf = pbf;
    this.setPBKey(key);

    brokerHelper = new BrokerHelper(this);
    //connectionManager = ConnectionManagerFactory.getInstance().createConnectionManager(this);
    //objectCache = ObjectCacheFactory.getInstance().createObjectCache(this);
    //sequenceManager = SequenceManagerFactory.getSequenceManager(this);
    //dbAccess = JdbcAccessFactory.getInstance().createJdbcAccess(this);
    //statementManager = StatementManagerFactory.getInstance().createStatementManager(this);
    //sqlGenerator = SqlGeneratorFactory.getInstance().createSqlGenerator(connectionManager.getSupportedPlatform());

    //markedForDelete = new ArrayList();        
    try
    {
         prevayler = new SnapshotPrevayler(new Database(), "PrevalenceBase" + File.separator + "Database");
         db = (Database) prevayler.system();	
         db.setBroker(this);
    }
    catch (Exception e)
    {
    }
}
 

import org.apache.ojb.broker.core.PersistenceBrokerFactoryIF; //导入依赖的package包/类
public KualiPersistenceBrokerImpl(PBKey key, PersistenceBrokerFactoryIF pbf) {
    super(key, pbf);
}
 

import org.apache.ojb.broker.core.PersistenceBrokerFactoryIF; //导入依赖的package包/类
public PersistenceBrokerFactoryIF getInstance()
{
    return PersistenceBrokerFactoryFactory.instance();
}