Java SecondaryConfig.setForeignKeyDatabase方法代码示例

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
private SecondaryDatabase openSecondaryDb(TupleSerialFactory factory,
                                          String keyName,
                                          Database primary,
                                          String file,
                                          Database foreignStore)
    throws Exception {

    TupleSerialMarshalledKeyCreator keyCreator =
            factory.getKeyCreator(MarshalledObject.class, keyName);

    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(testEnv.isTxnMode());
    secConfig.setAllowCreate(true);
    secConfig.setKeyCreator(keyCreator);
    if (foreignStore != null) {
        secConfig.setForeignKeyDatabase(foreignStore);
        secConfig.setForeignKeyDeleteAction(onDelete);
        secConfig.setForeignKeyNullifier(keyCreator);
    }

    return DbCompat.openSecondaryDatabase(env, null, file, null,
                                          primary, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
private SecondaryDatabase openSecondaryDb(TupleSerialFactory factory,
                                          String keyName,
                                          Database primary,
                                          String file,
                                          Database foreignStore)
    throws Exception {

    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(testEnv.isTxnMode());
    secConfig.setAllowCreate(true);
    secConfig.setKeyCreator(factory.getKeyCreator(MarshalledObject.class,
                                                  keyName));
    if (foreignStore != null) {
        secConfig.setForeignKeyDatabase(foreignStore);
        secConfig.setForeignKeyDeleteAction(
                ForeignKeyDeleteAction.CASCADE);
    }

    return DbCompat.openSecondaryDatabase(env, null,
                                          file, null,
                                          primary, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
private SecondaryDatabase openSecondary(Database priDb, String dbName,
                                        Database foreignDb,
                                        ForeignKeyDeleteAction onDelete)
    throws DatabaseException {

    SecondaryConfig dbConfig = new SecondaryConfig();
    dbConfig.setTransactional(isTransactional);
    dbConfig.setAllowCreate(true);
    dbConfig.setSortedDuplicates(true);

    MyKeyCreator keyCreator = new MyKeyCreator();
    if (useMultiKey) {
        dbConfig.setMultiKeyCreator(new SimpleMultiKeyCreator(keyCreator));
    } else {
        dbConfig.setKeyCreator(keyCreator);
    }

    if (foreignDb != null) {

        if (useMultiKey) {
            dbConfig.setForeignMultiKeyNullifier(keyCreator);
        } else {
            dbConfig.setForeignKeyNullifier(keyCreator);
        }
        dbConfig.setForeignKeyDatabase(foreignDb);
        dbConfig.setForeignKeyDeleteAction(onDelete);
    }

    Transaction txn = txnBegin();
    try {
        return env.openSecondaryDatabase(txn, dbName, priDb, dbConfig);
    } finally {
        txnCommit(txn);
    }
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SorcerDatabase(String homeDirectory)
    throws DatabaseException {
    // Open the Berkeley DB environment in transactional mode.
    //System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setLockTimeout(LOCK_TIMEOUT, TimeUnit.MILLISECONDS);
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    envConfig.setSharedCache(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database, the stores are opened
    // with no duplicate keys allowed.

    runtimeDb = env.openDatabase(null, RUNTIME_STORE, dbConfig);

    exertionDb = env.openDatabase(null, EXERTION_STORE, dbConfig);

    contextDb = env.openDatabase(null, CONTEXT_STORE, dbConfig);

    tableDb = env.openDatabase(null, TABLE_STORE, dbConfig);

    varDb = env.openDatabase(null, VAR_STORE, dbConfig);

    varModelDb = env.openDatabase(null, VAR_MODEL_STORE, dbConfig);
    
    uuidObjectDb = env.openDatabase(null, OBJECT_STORE, dbConfig);

    // Open the SecondaryDatabase for the name index of the provider in the runtime store.
    // Duplicate keys are allowed since more than one provider may be in
    // the same exertion.  A foreign key constraint is defined for the
    // name indices to ensure that a runtime only refers to
    // existing provider keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(new RuntimeByProviderNameKeyCreator(javaCatalog,
    		ProviderRuntime.class));
    runtimeByProviderNameDb = env.openSecondaryDatabase(null, RUNTIME_PROVIDER_NAME_INDEX,
                                                 runtimeDb, secConfig);
    secConfig.setForeignKeyDatabase(runtimeDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ExertionByRuntimeKeyCreator(javaCatalog,
                                                         ServiceExertion.class));
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException, FileNotFoundException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);
    
    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(new SupplierByCityKeyCreator(javaCatalog,
                                                 SupplierData.class));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ShipmentByPartKeyCreator(javaCatalog,
                                                 ShipmentData.class));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ShipmentBySupplierKeyCreator(javaCatalog,
                                                 ShipmentData.class));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException, FileNotFoundException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Use the TupleSerialDbFactory for a Serial/Tuple-based database
    // where marshalling interfaces are used.
    //
    factory = new TupleSerialFactory(javaCatalog);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);

    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(factory.getKeyCreator(Supplier.class,
                                                  Supplier.CITY_KEY));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(factory.getKeyCreator(Shipment.class,
                                                  Shipment.PART_KEY));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(factory.getKeyCreator(Shipment.class,
                                                  Shipment.SUPPLIER_KEY));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException, FileNotFoundException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);
    
    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(
        new SupplierByCityKeyCreator(javaCatalog,
                                     SupplierKey.class,
                                     SupplierData.class,
                                     String.class));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(
        new ShipmentByPartKeyCreator(javaCatalog,
                                     ShipmentKey.class,
                                     ShipmentData.class,
                                     PartKey.class));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(
        new ShipmentBySupplierKeyCreator(javaCatalog,
                                         ShipmentKey.class,
                                         ShipmentData.class,
                                         SupplierKey.class));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException, FileNotFoundException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);
    
    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(new MarshalledKeyCreator(javaCatalog,
                                                     Supplier.class,
                                                     Supplier.CITY_KEY));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new MarshalledKeyCreator(javaCatalog,
                                                     Shipment.class,
                                                     Shipment.PART_KEY));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new MarshalledKeyCreator(javaCatalog,
                                                     Shipment.class,
                                                 Shipment.SUPPLIER_KEY));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);

    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(new MarshalledKeyCreator(javaCatalog,
                                                     Supplier.class,
                                                     Supplier.CITY_KEY));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new MarshalledKeyCreator(javaCatalog,
                                                     Shipment.class,
                                                     Shipment.PART_KEY));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new MarshalledKeyCreator(javaCatalog,
                                                     Shipment.class,
                                                 Shipment.SUPPLIER_KEY));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Use the TupleSerialDbFactory for a Serial/Tuple-based database
    // where marshalling interfaces are used.
    //
    factory = new TupleSerialFactory(javaCatalog);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);

    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(factory.getKeyCreator(Supplier.class,
                                                  Supplier.CITY_KEY));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(factory.getKeyCreator(Shipment.class,
                                                  Shipment.PART_KEY));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(factory.getKeyCreator(Shipment.class,
                                                  Shipment.SUPPLIER_KEY));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);

    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(
        new SupplierByCityKeyCreator(javaCatalog,
                                     SupplierKey.class,
                                     SupplierData.class,
                                     String.class));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(
        new ShipmentByPartKeyCreator(javaCatalog,
                                     ShipmentKey.class,
                                     ShipmentData.class,
                                     PartKey.class));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(
        new ShipmentBySupplierKeyCreator(javaCatalog,
                                         ShipmentKey.class,
                                         ShipmentData.class,
                                         SupplierKey.class));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException, FileNotFoundException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);
    
    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(new SupplierByCityKeyCreator(javaCatalog,
                                                         Supplier.class));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ShipmentByPartKeyCreator(javaCatalog,
                                                         Shipment.class));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ShipmentBySupplierKeyCreator(javaCatalog,
                                                          Shipment.class));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}
 

import com.sleepycat.je.SecondaryConfig; //导入方法依赖的package包/类
/**
 * Open all storage containers, indices, and catalogs.
 */
public SampleDatabase(String homeDirectory)
    throws DatabaseException {

    // Open the Berkeley DB environment in transactional mode.
    //
    System.out.println("Opening environment in: " + homeDirectory);
    EnvironmentConfig envConfig = new EnvironmentConfig();
    envConfig.setTransactional(true);
    envConfig.setAllowCreate(true);
    env = new Environment(new File(homeDirectory), envConfig);

    // Set the Berkeley DB config for opening all stores.
    //
    DatabaseConfig dbConfig = new DatabaseConfig();
    dbConfig.setTransactional(true);
    dbConfig.setAllowCreate(true);

    // Create the Serial class catalog.  This holds the serialized class
    // format for all database records of serial format.
    //
    Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
    javaCatalog = new StoredClassCatalog(catalogDb);

    // Open the Berkeley DB database for the part, supplier and shipment
    // stores.  The stores are opened with no duplicate keys allowed.
    //
    partDb = env.openDatabase(null, PART_STORE, dbConfig);

    supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);

    shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);

    // Open the SecondaryDatabase for the city index of the supplier store,
    // and for the part and supplier indices of the shipment store.
    // Duplicate keys are allowed since more than one supplier may be in
    // the same city, and more than one shipment may exist for the same
    // supplier or part.  A foreign key constraint is defined for the
    // supplier and part indices to ensure that a shipment only refers to
    // existing part and supplier keys.  The CASCADE delete action means
    // that shipments will be deleted if their associated part or supplier
    // is deleted.
    //
    SecondaryConfig secConfig = new SecondaryConfig();
    secConfig.setTransactional(true);
    secConfig.setAllowCreate(true);
    secConfig.setSortedDuplicates(true);

    secConfig.setKeyCreator(new SupplierByCityKeyCreator(javaCatalog,
                                                 SupplierData.class));
    supplierByCityDb = env.openSecondaryDatabase(null, SUPPLIER_CITY_INDEX,
                                                 supplierDb, secConfig);

    secConfig.setForeignKeyDatabase(partDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ShipmentByPartKeyCreator(javaCatalog,
                                                 ShipmentData.class));
    shipmentByPartDb = env.openSecondaryDatabase(null, SHIPMENT_PART_INDEX,
                                                 shipmentDb, secConfig);

    secConfig.setForeignKeyDatabase(supplierDb);
    secConfig.setForeignKeyDeleteAction(ForeignKeyDeleteAction.CASCADE);
    secConfig.setKeyCreator(new ShipmentBySupplierKeyCreator(javaCatalog,
                                                 ShipmentData.class));
    shipmentBySupplierDb = env.openSecondaryDatabase(null,
                                                 SHIPMENT_SUPPLIER_INDEX,
                                                 shipmentDb, secConfig);
}