Java DB.close方法代码示例

import org.mapdb.DB; //导入方法依赖的package包/类
public void setConnectionToDB(DockerConnection dc, File configFile, File certFile) throws IOException {
    File database = new File("./connections.db");
    DB db = DBMaker
            .fileDB(database)
            .transactionEnable()
            .closeOnJvmShutdown()
            .fileChannelEnable()
            .make();
    ConcurrentMap mapa = db.hashMap("map").createOrOpen();
    dc.getWithTls().setDockerCertPath(Paths.get("server/certs/").relativize(certFile.toPath()).toString());
    dc.getWithTls().setDockerConfig(Paths.get("server/certs/").relativize(configFile.toPath()).toString());
    mapa.put(dc.getName(), dc);
    db.commit();
    db.close();

}
 

import org.mapdb.DB; //导入方法依赖的package包/类
public Map<UUID, DockerConnection> getConnectionFromDB() throws IOException {
    Map<UUID, DockerConnection> listOfConnections = new HashMap<>();
    File database = new File("./connections.db");
    DB db = DBMaker
            .fileDB(database)
            .transactionEnable()
            .closeOnJvmShutdown()
            .fileChannelEnable()
            .make();
    ConcurrentMap mapa = db.hashMap("map").createOrOpen();
    mapa.forEach((uuid, connection) -> {
        listOfConnections.put((UUID) uuid, (DockerConnection) connection);
    });
    db.close();
    return listOfConnections;

}
 

import org.mapdb.DB; //导入方法依赖的package包/类
public synchronized boolean visit(CustomParamVisitor visitor) throws Exception {
	AssertionUtils.assertNotNull(new IllegalArgumentException("visitor"), visitor);
	final DB db = getReadOnlyDB();
	final Iterator<String> internalIterator = getSet(db).iterator();
	Iterable<String> iterable = new Iterable<String>(
			) {
		
		@Override
		public Iterator<String> iterator() {
			return internalIterator;
		}
	};
	boolean next = false;
	for(String param : iterable) {
		next = visitor.visit(param);
		if(!next) {
			break;
		}	
	}
	db.close();
	return next;
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
@Override
public void createUser(String username, String password, UserProfile profile) throws UserExists, TException {
	final UserStorage storage = UsersPlugin.getInstance().getStorage();
	final DB db = storage.getTxMaker().makeTx();
	try {
		BTreeMap<String, User> userMap = storage.getUserMap(db);
		if (userMap.containsKey(username)) {
			throw new UserExists();
		}

		final String hashed = UserStorage.getPasswordService().encryptPassword(password);
		final User user = User.builder()
				.username(username)
				.hashedPassword(hashed)
				.realName(profile.realName)
				.isAdmin(profile.admin)
				.build();
		userMap.put(username, user);
		db.commit();
	} finally {
		db.close();
	}
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
@Override
public void updateProfile(String username, UserProfile profile) throws UserNotFound, TException {
	final UserStorage storage = UsersPlugin.getInstance().getStorage();
	final DB db = storage.getTxMaker().makeTx();
	try {
		final BTreeMap<String, User> userMap = storage.getUserMap(db);
		final User oldUser = userMap.get(username);
		if (oldUser == null) {
			throw new UserNotFound();
		}

		final User newUser = User.builder(oldUser)
				.realName(profile.realName)
				.isAdmin(profile.admin)
				.build();
		userMap.put(username, newUser);
		db.commit();
	} finally {
		db.close();
	}
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
@Override
public void updatePassword(String username, String password) throws UserNotFound, TException {
	final UserStorage storage = UsersPlugin.getInstance().getStorage();
	final DB db = storage.getTxMaker().makeTx();
	try {
		final BTreeMap<String, User> userMap = storage.getUserMap(db);
		final User oldUser = userMap.get(username);
		if (oldUser == null) {
			throw new UserNotFound();
		}

		final String hashed = UserStorage.getPasswordService().encryptPassword(password);
		final User newUser = User.builder(oldUser).hashedPassword(hashed).build();
		userMap.put(username, newUser);
		db.commit();
	} finally {
		db.close();
	}
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
	if (token instanceof UsernamePasswordToken) {
		final UsernamePasswordToken upToken = (UsernamePasswordToken)token;
		final String username = upToken.getUsername();

		final UserStorage storage = UsersPlugin.getInstance().getStorage();
		final DB db = storage.getTxMaker().makeTx();
		try {
			final User user = storage.getUserMap(db).get(username);
			if (user == null) {
				return null;
			}
			Hash hash = new Shiro1CryptFormat().parse(user.getHashedPassword());
			return new UserInfo(user.getUsername(), hash);
		} finally {
			db.close();
		}
	}
	return null;
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
@Test
public void testUseExistingRootIfPossible() throws Exception {
    // Given a non-empty root in the manifest
    File dbFile = createTempFile();
    DB db = MapDbUtils.createFileDb(dbFile);
    manifest = new MapDbManifest(db);
    TreeItem item = new TreeItem(Entry.Type.BLOB, "foo", "foo.txt", 0);
    Tree root = new Tree(MapDbManifest.ROOT_KEY, Collections.singletonList(item));
    manifest.put(root);

    // When you reopen the db
    db.commit();
    db.close();
    db = MapDbUtils.createFileDb(dbFile);
    manifest = new MapDbManifest(db);

    // Then the root contains the saved items
    List<TreeItem> items = manifest.getRoot().getItems();
    assertEquals(1, items.size());
    assertEquals(item, items.get(0));
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
static void compile(String file, String database){
	DB db = DBMaker.newFileDB(new File(database)).compressionEnable().closeOnJvmShutdown().make();
	NavigableSet<Tuple2<String, Tuple2<String,Double>>> multiset = db.getTreeSet("SW");
	multiset.clear();
	try {
		BufferedReader swFile = new BufferedReader(new InputStreamReader(new BZip2InputStream(new FileInputStream(new File(file)), false), "UTF-8"));
		int entry = 0;
		for(String line=swFile.readLine();line != null;line = swFile.readLine()){
			String key = line.trim();
			String[] values = swFile.readLine().trim().split(" ");
			for(int i = 1;i < values.length;i += 2){
				multiset.add(Fun.t2(key, Fun.t2(values[i-1], Double.parseDouble(values[i]))));
			}
			if(entry++ > 100){
				db.commit();
				entry = 0;
			}
		}
		swFile.close();
	} catch (IOException e) {
		e.printStackTrace();
	}
	db.commit();
	db.close();
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
@Test
public void testAddSetValue() throws Exception {
    File file = File.createTempFile("foo", "db");
    file.deleteOnExit();

    DB db = DBMaker.newFileDB(file).closeOnJvmShutdown().make();
    MapDBCollectionPersistenceContext ctx = new MapDBCollectionPersistenceContext(db);

    ctx.addSetValue("set1", "val1");
    ctx.addSetValue("set1", "val2");

    ctx.commit();
    db.close();

    db = DBMaker.newFileDB(file).closeOnJvmShutdown().make();
    ctx = new MapDBCollectionPersistenceContext(db);

    Set<Object> set = ctx.getSet("set1");
    assertNotNull(set);
    assertEquals(2, set.size());
    assertTrue(set.contains("val1"));
    assertTrue(set.contains("val2"));
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
public static void main(String[] args) {
	if (args.length != 2){
		logger.error(usage);
		System.exit(1);
	}
	
	RecordReader<WikipediaLabelToFreebaseRecord> reader = new RecordReader<WikipediaLabelToFreebaseRecord>(
			args[0], new WikipediaLabelToFreebaseRecord.Parser());
	File f = new File(args[1]);
	if (!f.exists()) {
		f.mkdirs();
	}
	File dbfile = new File(f, "freebase.db");
	DB db = DBMaker.fileDB(dbfile).fileMmapEnable().closeOnJvmShutdown().make();
	ProgressLogger pl = new ProgressLogger("indexed {} records", 100000);
	HTreeMap<String, String> map = db.hashMap("index", Serializer.STRING, Serializer.STRING).createOrOpen();
	HTreeMap<String, String> labels = db.hashMap("label", Serializer.STRING, Serializer.STRING).createOrOpen();
	for (WikipediaLabelToFreebaseRecord record : reader) {
		map.put(record.getCleanWikipediaLabel(), record.getFreebaseId());
		labels.put(record.getFreebaseId(), record.getLabel());
		pl.up();
	}
	db.commit();
	db.close();

	logger.info("file indexed, index in {}", args[1]);

}
 

import org.mapdb.DB; //导入方法依赖的package包/类
/**
 * close the database.
 *
 * @throws SQLException
 *             if an error occurs.
 */
@Override
public void close() {
	synchronized (this) {
		if (closed) {
			return;
		}
		closed = true;
	}
	LOG.debug("STARTED shutdown");
	DB.close();
	LOG.debug("SUCCESS shutdown");
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
public synchronized String getProperty(String property, String defaultValue) {
	AssertionUtils.assertNotNull(new IllegalArgumentException("property"), property);
	AssertionUtils.assertNotNull(new IllegalArgumentException("defaultValue"), defaultValue);
	DB db = getReadOnlyDB();
	String value;
	try {
		value = getMap(db).get(property);
		if(value == null) {
			return defaultValue;
		}
		return value;
	} finally  {
		db.close();
	}
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
public synchronized void setProperty(String property, String value) {
	AssertionUtils.assertNotNull(new IllegalArgumentException("property"), property);
	AssertionUtils.assertNotNull(new IllegalArgumentException("value"), value);
	DB db = getDB(false);
	try {
		getMap(db).put(property, value);
		db.commit();
	} finally  {
		db.close();
	}		
}
 

import org.mapdb.DB; //导入方法依赖的package包/类
public synchronized void add(String value) {
	AssertionUtils.assertNotNull(new IllegalArgumentException("value"), value);
	DB db = getDB(false);
	try {
		getSet(db).add(value);
		db.commit();
	} finally  {
		db.close();
	}
}