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133 lines
3.8 KiB
Java
133 lines
3.8 KiB
Java
/*-
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* Copyright (C) 2002, 2017, Oracle and/or its affiliates. All rights reserved.
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*
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* This file was distributed by Oracle as part of a version of Oracle Berkeley
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* DB Java Edition made available at:
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*
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* http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/downloads/index.html
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*
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* Please see the LICENSE file included in the top-level directory of the
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* appropriate version of Oracle Berkeley DB Java Edition for a copy of the
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* license and additional information.
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*/
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package collections.ship.basic;
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import java.io.File;
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import com.sleepycat.bind.serial.StoredClassCatalog;
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import com.sleepycat.je.Database;
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import com.sleepycat.je.DatabaseConfig;
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import com.sleepycat.je.DatabaseException;
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import com.sleepycat.je.Environment;
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import com.sleepycat.je.EnvironmentConfig;
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/**
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* SampleDatabase defines the storage containers, indices and foreign keys
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* for the sample database.
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*
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* @author Mark Hayes
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*/
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public class SampleDatabase {
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private static final String CLASS_CATALOG = "java_class_catalog";
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private static final String SUPPLIER_STORE = "supplier_store";
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private static final String PART_STORE = "part_store";
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private static final String SHIPMENT_STORE = "shipment_store";
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private Environment env;
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private Database partDb;
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private Database supplierDb;
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private Database shipmentDb;
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private StoredClassCatalog javaCatalog;
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/**
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* Open all storage containers, indices, and catalogs.
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*/
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public SampleDatabase(String homeDirectory)
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throws DatabaseException {
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// Open the Berkeley DB environment in transactional mode.
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//
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System.out.println("Opening environment in: " + homeDirectory);
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EnvironmentConfig envConfig = new EnvironmentConfig();
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envConfig.setTransactional(true);
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envConfig.setAllowCreate(true);
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env = new Environment(new File(homeDirectory), envConfig);
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// Set the Berkeley DB config for opening all stores.
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//
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DatabaseConfig dbConfig = new DatabaseConfig();
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dbConfig.setTransactional(true);
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dbConfig.setAllowCreate(true);
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// Create the Serial class catalog. This holds the serialized class
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// format for all database records of serial format.
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//
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Database catalogDb = env.openDatabase(null, CLASS_CATALOG, dbConfig);
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javaCatalog = new StoredClassCatalog(catalogDb);
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// Open the Berkeley DB database for the part, supplier and shipment
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// stores. The stores are opened with no duplicate keys allowed.
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//
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partDb = env.openDatabase(null, PART_STORE, dbConfig);
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supplierDb = env.openDatabase(null, SUPPLIER_STORE, dbConfig);
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shipmentDb = env.openDatabase(null, SHIPMENT_STORE, dbConfig);
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}
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/**
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* Return the storage environment for the database.
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*/
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public final Environment getEnvironment() {
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return env;
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}
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/**
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* Return the class catalog.
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*/
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public final StoredClassCatalog getClassCatalog() {
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return javaCatalog;
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}
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/**
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* Return the part storage container.
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*/
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public final Database getPartDatabase() {
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return partDb;
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}
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/**
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* Return the supplier storage container.
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*/
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public final Database getSupplierDatabase() {
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return supplierDb;
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}
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/**
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* Return the shipment storage container.
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*/
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public final Database getShipmentDatabase() {
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return shipmentDb;
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}
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/**
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* Close all databases and the environment.
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*/
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public void close()
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throws DatabaseException {
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partDb.close();
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supplierDb.close();
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shipmentDb.close();
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// And don't forget to close the catalog and the environment.
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javaCatalog.close();
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env.close();
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}
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}
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