Example usage for java.lang.ref WeakReference WeakReference

Introduction

In this page you can find the example usage for java.lang.ref WeakReference WeakReference.

Prototype

public WeakReference(T referent)

Source Link

Document

Creates a new weak reference that refers to the given object.

Usage

From source file:de.hybris.platform.jdbcwrapper.DataSourceFactoryTest.java

@Test
public void testPoolShutdownAfterError() {
    final Tenant t = Registry.getCurrentTenantNoFallback();
    final Map<String, String> params = new HashMap<String, String>(
            t.getMasterDataSource().getConnectionParameters());
    // make it fail on connect by messing up the user name
    params.put(SystemSpecificParams.DB_USERNAME, "FooDosntExist");

    final DataSourceFactory dataSourceFactory = t.getMasterDataSource().getDataSourceFactory();

    final AtomicReference<WeakReference<JDBCConnectionPool>> poolRef = new AtomicReference<WeakReference<JDBCConnectionPool>>();

    final DataSourceFactory f = new DataSourceFactory() {

        @Override//  w w w.  j  ava 2  s  . com
        public HybrisDataSource createJNDIDataSource(final String id, final Tenant tenant,
                final String jndiName, final boolean readOnly) {
            throw new UnsupportedOperationException();
        }

        @Override
        public HybrisDataSource createDataSource(final String id, final Tenant tenant,
                final Map<String, String> connectionParams, final boolean readOnly) {
            throw new UnsupportedOperationException();
        }

        @Override
        public JDBCConnectionPool createConnectionPool(final HybrisDataSource dataSource,
                final Config poolConfig) {
            final JDBCConnectionPool ret = dataSourceFactory.createConnectionPool(dataSource, poolConfig);
            poolRef.set(new WeakReference<JDBCConnectionPool>(ret));
            return ret;
        }

        @Override
        public Connection wrapConnection(final HybrisDataSource wrappedDataSource,
                final Connection rawConnection) {
            return dataSourceFactory.wrapConnection(wrappedDataSource, rawConnection);
        }

        @Override
        public Statement wrapStatement(final Connection wrappedConnection, final Statement rawStatement) {
            return dataSourceFactory.wrapStatement(wrappedConnection, rawStatement);
        }

        @Override
        public PreparedStatement wrapPreparedStatement(final Connection wrappedConnection,
                final PreparedStatement rawStatement, final String query) {
            return dataSourceFactory.wrapPreparedStatement(wrappedConnection, rawStatement, query);
        }

        @Override
        public ResultSet wrapResultSet(final Statement wrappedStatement, final ResultSet rawResultSet) {
            return dataSourceFactory.wrapResultSet(wrappedStatement, rawResultSet);
        }
    };

    HybrisDataSource ds = null;
    try {
        TestUtils.disableFileAnalyzer("DataSource creation should throw exception");
        ds = new DataSourceImpl(t, "DummyDS", params, false, f);
    } catch (final Exception e) {
        // fine so far - now check how the pool behaves
        assertPoolIsShutDown(poolRef.get(), 30);
    } finally {
        TestUtils.enableFileAnalyzer();
    }
    if (ds != null) {
        // in case data source creation did not fail as expected we must clean up for sure 
        ds.destroy();
        fail("data source creation was supposed to fail but did not");
    }
}

From source file:com.vaadin.server.AbstractClientConnectorTest.java

private WeakReference<Class<?>> loadClass(String name) throws ClassNotFoundException {
    ClassLoader loader = new TestClassLoader();
    Class<?> loaded = loader.loadClass(name);
    return new WeakReference<>(loaded);
}

From source file:de.micromata.mgc.javafx.logging.LoggingLogViewAdapter.java

List<LogWriteEntry> getLogEntries(long lastPollTime) {
    synchronized (logWriteEntries) {
        if (curLogging.get() != LoggingServiceManager.get().getLogging()) {
            curLogging = new WeakReference<Logging>(LoggingServiceManager.get().getLogging());
            initLogConfiguration();//from w w  w . j av  a  2 s  .co  m
        }
        List<LogWriteEntry> ret = new ArrayList<>();
        for (LogWriteEntry le : logWriteEntries) {
            if (le.getTimestamp() <= lastPollTime) {
                continue;
            }
            ret.add(le);
        }
        return ret;
    }
}

From source file:com.esminis.server.library.activity.main.MainViewImpl.java

MainViewImpl(AppCompatActivity activity, final MainPresenter presenter) {
    this.context = activity.getApplicationContext();
    this.activity = new WeakReference<>(activity);
    this.presenter = presenter;
    viewServerInterfaces = (Spinner) activity.findViewById(R.id.server_interface);
    viewDocumentRoot = (TextView) activity.findViewById(R.id.server_root);
    viewLog = (TextView) activity.findViewById(R.id.error);
    viewPort = (TextView) activity.findViewById(R.id.server_port);
    viewInstalledPackage = (TextView) activity.findViewById(R.id.server_build);
    viewServerStatusLabel = (TextView) activity.findViewById(R.id.label);
    titleDefault = context.getString(R.string.title);
    viewContainer = activity.findViewById(R.id.container);
    drawerLayout = (DrawerLayout) activity.findViewById(R.id.drawer_layout);
    buttonStart = activity.findViewById(R.id.start);
    buttonStop = activity.findViewById(R.id.stop);
    setupToolbar(activity);/*from  w ww .  j ava  2s.c om*/
    actionBar = activity.getSupportActionBar();
    if (actionBar != null) {
        actionBar.setTitle(titleDefault);
    }
    drawerToggle = new ActionBarDrawerToggle(activity, drawerLayout, R.string.open, R.string.close) {

        private void invalidateOptionsMenu() {
            final Activity activity = MainViewImpl.this.activity.get();
            if (activity != null) {
                activity.invalidateOptionsMenu();
            }
        }

        public void onDrawerClosed(View view) {
            super.onDrawerClosed(view);
            if (actionBar != null && context.getApplicationInfo() != null) {
                actionBar.setTitle(titleDefault);
            }
            invalidateOptionsMenu();
        }

        public void onDrawerOpened(View drawerView) {
            super.onDrawerOpened(drawerView);
            if (actionBar != null) {
                actionBar.setTitle(R.string.settings);
            }
            invalidateOptionsMenu();
        }
    };
    setupDrawer();
    setupListeners(activity);
    showButton(BUTTON_NONE);
    setStatusLabel(activity.getString(R.string.server_status_updating));
}

From source file:com.activiti.android.ui.fragments.AlfrescoFragment.java

protected void setRootView(View rootView) {
    this.vRoot = new WeakReference<View>(rootView);
}

From source file:com.entertailion.android.slideshow.images.ImageManager.java

/**
 * Adds an observer to be notified when the set of items held by this
 * ImageManager changes./*from   ww w  .  j  ava2s .  c o  m*/
 */
public void addObserver(DataSetObserver observer) {
    final WeakReference<DataSetObserver> obs = new WeakReference<DataSetObserver>(observer);
    dataSetObservers.add(obs);
}

From source file:im.r_c.android.fusioncache.FusionCache.java

public FusionCache(Context context, long maxMemCacheSize, long maxDiskCacheSize, File diskCacheDir,
        boolean enableFusionMode) {
    // Do the real initialization

    if (maxMemCacheSize < 0 || maxDiskCacheSize < 0) {
        throw new IllegalArgumentException("Max cache size should be non-negative.");
    }//  w  ww .j av  a2s .  c  o  m

    mAppContextRef = new WeakReference<>(context.getApplicationContext());
    mFusionModeEnabled = enableFusionMode;

    if (maxMemCacheSize > 0) {
        mMemCache = new MemCache(maxMemCacheSize);
    }
    if (maxDiskCacheSize > 0) {
        mDiskCache = new DiskCache2(diskCacheDir, maxDiskCacheSize);
    }
}

From source file:com.appbase.androidquery.callback.BitmapAjaxCallback.java

/**
 * Set the target Image view.//  w  w w  .j ava2 s .  c o  m
 *
 * @param view the view
 * @return self
 */
public BitmapAjaxCallback imageView(ImageView view) {
    v = new WeakReference<ImageView>(view);
    return this;
}

From source file:br.com.anteros.social.instagram.AnterosInstagramSession.java

public AnterosInstagramSession(AnterosInstagramConfiguration configuration) {

    setActivity(configuration.getActivity());
    this.onLoginListener = new WeakReference<OnLoginListener>(configuration.getOnLoginListener());
    this.onLogoutListener = new WeakReference<OnLogoutListener>(configuration.getOnLogoutListener());
    this.clientId = configuration.getClientId();
    this.clientSecret = configuration.getClientSecret();
    this.redirectURL = configuration.getRedirectURL();
    this.activity = new WeakReference<Activity>(configuration.getActivity());
    sharedPreferences = activity.get().getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);

    if (TextUtils.isEmpty(clientId) || TextUtils.isEmpty(clientSecret)) {
        throw new IllegalArgumentException("clientId and clientSecret are invalid");
    }/*ww  w .  ja  va 2  s  . c o  m*/
    String scope = configuration.getScope();
    if (scope == null) {
        scope = "basic";
    }
    String INSTAGRAM_AUTHURL = "https://api.instagram.com/oauth/authorize/";
    authURLString = INSTAGRAM_AUTHURL + "?client_id=" + clientId + "&redirect_uri=" + redirectURL
            + "&response_type=code&display=touch&scope=" + scope;

    tokenURLString = INSTAGRAM_TOKENURL + "?client_id=" + clientId + "&client_secret=" + clientSecret
            + "&redirect_uri=" + redirectURL + "&grant_type=authorization_code";
}

From source file:com.ichi2.anki.Reviewer.java

@Override
protected void onCollectionLoaded(Collection col) {
    super.onCollectionLoaded(col);
    // Load the first card and start reviewing. Uses the answer card
    // task to load a card, but since we send null
    // as the card to answer, no card will be answered.

    mPrefWhiteboard = MetaDB.getWhiteboardState(this, getParentDid());
    if (mPrefWhiteboard) {
        setWhiteboardEnabledState(true);
        setWhiteboardVisibility(true);//from   w  w  w.ja  v  a2s.  c om
    }

    col.getSched().reset(); // Reset schedule incase card had previous been loaded
    DeckTask.launchDeckTask(DeckTask.TASK_TYPE_ANSWER_CARD, mAnswerCardHandler, new DeckTask.TaskData(null, 0));

    disableDrawerSwipeOnConflicts();
    // Add a weak reference to current activity so that scheduler can talk to to Activity
    mSched.setContext(new WeakReference<Activity>(this));

    // Set full screen/immersive mode if needed
    if (mPrefFullscreenReview) {
        CompatHelper.getCompat().setFullScreen(this);
    }
}