Examples with OEngine com.orientechnologies.orient.core.engine.OEngine used on opensource projects

Example 1 with OEngine

use of com.orientechnologies.orient.core.engine.OEngine in project orientdb by orientechnologies.

the class PostponedEngineStartTest method testStoppedEngineShouldStartAndCreateStorage.

// @Test
public void testStoppedEngineShouldStartAndCreateStorage() {
    OEngine engine = ORIENT.getEngineIfRunning(ENGINE2.getName());
    Assert.assertNull(engine);
    final OStorage storage = ORIENT.loadStorage(ENGINE2.getName() + ":storage");
    Assert.assertNotNull(storage);
    engine = ORIENT.getRunningEngine(ENGINE2.getName());
    Assert.assertTrue(engine.isRunning());
}

Example 2 with OEngine

use of com.orientechnologies.orient.core.engine.OEngine in project orientdb by orientechnologies.

the class PostponedEngineStartTest method testGetRunningEngineShouldStartEngine.

// @Test(dependsOnMethods = "testGetEngineIfRunningShouldReturnNullEngineIfNotRunning")
public void testGetRunningEngineShouldStartEngine() {
    final OEngine engine = ORIENT.getRunningEngine(ENGINE1.getName());
    Assert.assertNotNull(engine);
    Assert.assertTrue(engine.isRunning());
}

Example 3 with OEngine

use of com.orientechnologies.orient.core.engine.OEngine in project orientdb by orientechnologies.

the class Orient method registerEngines.

/**
   * Shutdown whole OrientDB ecosystem. Usually is called during JVM shutdown by JVM shutdown handler. During shutdown all handlers
   * which were registered by the call of {@link #addShutdownHandler(OShutdownHandler)} are called together with pre-registered
   * system shoutdown handlers according to their priority.
   *
   * @see OShutdownWorkersHandler
   * @see
   */
private void registerEngines() {
    ClassLoader classLoader = Orient.class.getClassLoader();
    Iterator<OEngine> engines = OClassLoaderHelper.lookupProviderWithOrientClassLoader(OEngine.class, classLoader);
    OEngine engine = null;
    while (engines.hasNext()) {
        try {
            engine = engines.next();
            registerEngine(engine);
        } catch (IllegalArgumentException e) {
            if (engine != null)
                OLogManager.instance().debug(this, "Failed to replace engine " + engine.getName());
        }
    }
}

Example 4 with OEngine

use of com.orientechnologies.orient.core.engine.OEngine in project orientdb by orientechnologies.

the class Orient method loadStorage.

public OStorage loadStorage(String iURL) {
    if (iURL == null || iURL.length() == 0)
        throw new IllegalArgumentException("URL missed");
    if (iURL.endsWith("/"))
        iURL = iURL.substring(0, iURL.length() - 1);
    // SEARCH FOR ENGINE
    int pos = iURL.indexOf(':');
    if (pos <= 0)
        throw new OConfigurationException("Error in database URL: the engine was not specified. Syntax is: " + URL_SYNTAX + ". URL was: " + iURL);
    final String engineName = iURL.substring(0, pos);
    engineLock.readLock().lock();
    try {
        final OEngine engine = engines.get(engineName.toLowerCase());
        if (engine == null)
            throw new OConfigurationException("Error on opening database: the engine '" + engineName + "' was not found. URL was: " + iURL + ". Registered engines are: " + engines.keySet());
        if (!engine.isRunning()) {
            final List<String> knownEngines = new ArrayList<String>(engines.keySet());
            if (!startEngine(engine))
                throw new OConfigurationException("Error on opening database: the engine '" + engineName + "' was unable to start. URL was: " + iURL + ". Registered engines was: " + knownEngines);
        }
        // SEARCH FOR DB-NAME
        iURL = iURL.substring(pos + 1);
        if (isWindowsOS()) {
            // WINDOWS ONLY: REMOVE DOUBLE SLASHES NOT AS PREFIX (WINDOWS PATH COULD NEED STARTING FOR "\\". EXAMPLE: "\\mydrive\db").
            // AT
            // THIS LEVEL BACKSLASHES ARRIVES AS SLASHES
            iURL = iURL.charAt(0) + iURL.substring(1).replace("//", "/");
        } else
            // REMOVE ANY //
            iURL = iURL.replace("//", "/");
        pos = iURL.indexOf('?');
        Map<String, String> parameters = null;
        String dbPath;
        if (pos > 0) {
            dbPath = iURL.substring(0, pos);
            iURL = iURL.substring(pos + 1);
            // PARSE PARAMETERS
            parameters = new HashMap<String, String>();
            String[] pairs = iURL.split("&");
            String[] kv;
            for (String pair : pairs) {
                kv = pair.split("=");
                if (kv.length < 2)
                    throw new OConfigurationException("Error on opening database: parameter has no value. Syntax is: " + URL_SYNTAX + ". URL was: " + iURL);
                parameters.put(kv[0], kv[1]);
            }
        } else
            dbPath = iURL;
        if (registerDatabaseByPath) {
            try {
                dbPath = new File(dbPath).getCanonicalPath();
            } catch (IOException e) {
            // IGNORE IT
            }
        }
        final String dbName = registerDatabaseByPath ? dbPath : engine.getNameFromPath(dbPath);
        OStorage storage;
        // SEARCH IF ALREADY USED
        storage = storages.get(dbName);
        if (storage == null) {
            do {
                storage = engine.createStorage(dbPath, parameters);
            } while ((storage instanceof OIdentifiableStorage) && storageIds.putIfAbsent(((OIdentifiableStorage) storage).getId(), Boolean.TRUE) != null);
            final OStorage oldStorage = storages.putIfAbsent(dbName, storage);
            if (oldStorage != null)
                storage = oldStorage;
            for (OOrientListener l : browseListeners()) l.onStorageRegistered(storage);
        }
        return storage;
    } finally {
        engineLock.readLock().unlock();
    }
}

Example 5 with OEngine

use of com.orientechnologies.orient.core.engine.OEngine in project orientdb by orientechnologies.

the class Orient method unregisterStorage.

public void unregisterStorage(final OStorage storage) {
    if (!active)
        // SHUTDOWNING OR NOT ACTIVE: RETURN
        return;
    if (storage == null)
        return;
    engineLock.writeLock().lock();
    try {
        // UNREGISTER ALL THE LISTENER ONE BY ONE AVOIDING SELF-RECURSION BY REMOVING FROM THE LIST
        final Iterable<OOrientListener> listenerCopy = getListenersCopy();
        for (final OOrientListener l : listenerCopy) {
            unregisterListener(l);
            l.onStorageUnregistered(storage);
        }
        final List<String> storagesToRemove = new ArrayList<String>();
        for (Entry<String, OStorage> s : storages.entrySet()) {
            if (s.getValue().equals(storage))
                storagesToRemove.add(s.getKey());
        }
        for (String dbName : storagesToRemove) storages.remove(dbName);
        // UNREGISTER STORAGE FROM ENGINES IN CASE IS CACHED
        for (OEngine engine : engines.values()) {
            engine.removeStorage(storage);
        }
    } finally {
        engineLock.writeLock().unlock();
    }
}