Example usage for java.lang.ref WeakReference WeakReference

List of usage examples for java.lang.ref WeakReference WeakReference

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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:antre.TypeResolver.java

private static Map<TypeVariable<?>, Type> getTypeVariableMap(final Class<?> targetType) {
    Reference<Map<TypeVariable<?>, Type>> ref = typeVariableCache.get(targetType);
    Map<TypeVariable<?>, Type> map = ref != null ? ref.get() : null;

    if (map == null) {
        map = new HashMap<TypeVariable<?>, Type>();

        // Populate interfaces
        buildTypeVariableMap(targetType.getGenericInterfaces(), map);

        // Populate super classes and interfaces
        Type genericType = targetType.getGenericSuperclass();
        Class<?> type = targetType.getSuperclass();
        while (type != null && !Object.class.equals(type)) {
            if (genericType instanceof ParameterizedType)
                buildTypeVariableMap((ParameterizedType) genericType, map);
            buildTypeVariableMap(type.getGenericInterfaces(), map);

            genericType = type.getGenericSuperclass();
            type = type.getSuperclass();
        }/*from   ww w .java2  s.co  m*/

        // Populate enclosing classes
        type = targetType;
        while (type.isMemberClass()) {
            genericType = type.getGenericSuperclass();
            if (genericType instanceof ParameterizedType)
                buildTypeVariableMap((ParameterizedType) genericType, map);

            type = type.getEnclosingClass();
        }

        if (cacheEnabled)
            typeVariableCache.put(targetType, new WeakReference<Map<TypeVariable<?>, Type>>(map));
    }

    return map;
}

From source file:ch.entwine.weblounge.common.impl.request.WebloungeResponseImpl.java

/**
 * Sets the service that is used to cache responses to clients.
 * // w  w  w .j a v  a  2s .  c  om
 * @param cache
 *          the cache
 */
public void setResponseCache(ResponseCache cache) {
    this.cache = new WeakReference<ResponseCache>(cache);
}

From source file:ca.etsmtl.applets.etsmobile.ScheduleActivity.java

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.calendar_view);
    TestFlight.passCheckpoint(this.getClass().getName());
    creds = new UserCredentials(PreferenceManager.getDefaultSharedPreferences(this));
    // get data async
    handler = new CalendarTaskHandler(this);
    new CalendarTaskMonth(handler).execute(creds);

    // set the navigation bar
    navBar = (NavBar) findViewById(R.id.navBar1);
    navBar.setTitle(R.drawable.navbar_horaire_title);

    // set the gridview containing the day names
    final String[] day_names = getResources().getStringArray(R.array.day_names);

    final GridView grid = (GridView) findViewById(R.id.gridDayNames);
    grid.setAdapter(new ArrayAdapter<String>(this, R.layout.day_name, day_names));

    // set next and previous buttons
    final ImageButton btn_previous = (ImageButton) findViewById(R.id.btn_previous);
    final ImageButton btn_next = (ImageButton) findViewById(R.id.btn_next);

    btn_previous.setOnClickListener(new View.OnClickListener() {
        @Override/*  www.  jav a2  s.  co m*/
        public void onClick(final View v) {
            currentCalendar.previousMonth();
        }
    });
    btn_next.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(final View v) {
            currentCalendar.nextMonth();
        }
    });

    // set the calendar view
    currentGridView = (NumGridView) findViewById(R.id.calendar_view);
    currentGridView.setOnCellTouchListener(mNumGridView_OnCellTouchListener);

    // assignation des session dja en mmoire
    currentGridView.setSessions(ETSMobileApp.getInstance().getSessionsFromPrefs());

    // Affiche le mois courant
    final CalendarTextView txtcalendar_title = (CalendarTextView) findViewById(R.id.calendar_title);

    // initialisation des observers
    currentCalendar = new CurrentCalendar();

    currentCalendar.addObserver(currentGridView);
    currentCalendar.addObserver(txtcalendar_title);

    txtcalendar_title.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            new DatePickerFragment(new WeakReference<ScheduleActivity>(ScheduleActivity.this))
                    .show(getSupportFragmentManager(), "date-frag-tag");
        }
    });
    currentCalendar.setChanged();
    currentCalendar.notifyObservers(currentCalendar.getCalendar());

    Log.v("ScheduleActivity", "ScheduleActivity: lst_cours=" + lst_cours);
    lst_cours = (CalendarEventsListView) findViewById(R.id.lst_cours);
    currentGridView.getCurrentCell().addObserver(lst_cours);
    currentGridView.getCurrentCell().setChanged();
    currentGridView.getCurrentCell().notifyObservers();

    navBar.setRightButtonText(R.string.Ajourdhui);
    navBar.showRightButton();
    navBar.setRightButtonAction(new View.OnClickListener() {
        @Override
        public void onClick(final View v) {
            currentGridView.getCurrentCell().deleteObservers();
            currentGridView.setCurrentCell(null);

            currentCalendar.setToday();

            currentGridView.getCurrentCell().addObserver(lst_cours);
            currentGridView.getCurrentCell().setChanged();
            currentGridView.getCurrentCell().notifyObservers();
        }
    });
}

From source file:com.devexweb.googlemapsapi.lib.BottomSheetBehaviorGoogleMapsLike.java

@Override
public boolean onLayoutChild(CoordinatorLayout parent, V child, int layoutDirection) {
    // First let the parent lay it out
    if (mState != STATE_DRAGGING && mState != STATE_SETTLING) {
        if (ViewCompat.getFitsSystemWindows(parent) && !ViewCompat.getFitsSystemWindows(child)) {
            ViewCompat.setFitsSystemWindows(child, true);
        }/*from  w w  w.  java 2  s . c om*/
        parent.onLayoutChild(child, layoutDirection);
    }
    // Offset the bottom sheet
    mParentHeight = parent.getHeight();
    mMinOffset = Math.max(0, mParentHeight - child.getHeight());
    mMaxOffset = Math.max(mParentHeight - mPeekHeight, mMinOffset);

    /**
     * Old behavior
     */
    //        if (mState == STATE_EXPANDED) {
    //            ViewCompat.offsetTopAndBottom(child, mMinOffset);
    //        } else if (mHideable && mState == STATE_HIDDEN...
    /**
     * New behavior
     */
    if (mState == STATE_ANCHOR_POINT) {
        ViewCompat.offsetTopAndBottom(child, mAnchorPoint);
    } else if (mState == STATE_EXPANDED) {
        ViewCompat.offsetTopAndBottom(child, mMinOffset);
    } else if (mHideable && mState == STATE_HIDDEN) {
        ViewCompat.offsetTopAndBottom(child, mParentHeight);
    } else if (mState == STATE_COLLAPSED) {
        ViewCompat.offsetTopAndBottom(child, mMaxOffset);
    }
    if (mViewDragHelper == null) {
        mViewDragHelper = ViewDragHelper.create(parent, mDragCallback);
    }
    mViewRef = new WeakReference<>(child);
    mNestedScrollingChildRef = new WeakReference<>(findScrollingChild(child));
    return true;
}

From source file:com.bekwam.examples.javafx.oldscores.ScoresDialogController.java

public void setMainViewRef(MainViewController mainView) {
    mainViewRef = new WeakReference<MainViewController>(mainView);
}

From source file:com.geely.testbottomsheets.CustomBottomSheetBehavior.java

@Override
public boolean onLayoutChild(CoordinatorLayout parent, V child, int layoutDirection) {
    // First let the parent lay it out
    if (mState != STATE_DRAGGING && mState != STATE_SETTLING) {
        if (ViewCompat.getFitsSystemWindows(parent) && !ViewCompat.getFitsSystemWindows(child)) {
            ViewCompat.setFitsSystemWindows(child, true);
        }/*from  w  w w. j  a v  a 2  s.com*/
        parent.onLayoutChild(child, layoutDirection);
    }
    // Offset the bottom sheet
    mParentHeight = parent.getHeight();
    mMinOffset = Math.max(0, mParentHeight - child.getHeight());
    mMaxOffset = Math.max(mParentHeight - mPeekHeight, mMinOffset);

    /**
     * Old behavior
     */
    //        if (mState == STATE_EXPANDED) {
    //            ViewCompat.offsetTopAndBottom(child, mMinOffset);
    //        } else if (mHideable && mState == STATE_HIDDEN...

    childView = child;
    /**
     * New behavior
     */
    if (mState == STATE_ANCHOR_POINT) {
        ViewCompat.offsetTopAndBottom(child, mAnchorPoint);
    } else if (mState == STATE_EXPANDED) {
        ViewCompat.offsetTopAndBottom(child, mMinOffset);
    } else if (mHideable && mState == STATE_HIDDEN) {
        ViewCompat.offsetTopAndBottom(child, mParentHeight);
    } else if (mState == STATE_COLLAPSED) {
        ViewCompat.offsetTopAndBottom(child, mMaxOffset);
    }
    if (mViewDragHelper == null) {
        mViewDragHelper = ViewDragHelper.create(parent, mDragCallback);
    }
    mViewRef = new WeakReference<>(child);
    mNestedScrollingChildRef = new WeakReference<>(findScrollingChild(child));
    return true;
}

From source file:com.bekwam.examples.javafx.oldscores1.ScoresDialogController.java

public void setMainViewRef(MainViewController mainView) {
    mainViewRef = new WeakReference<>(mainView);
}

From source file:net.sf.jasperreports.engine.fill.JRAbstractLRUVirtualizer.java

protected final void setLastObject(JRVirtualizable o) {
    JRVirtualizable currentLast = lastObject();
    if (o != null && currentLast != o) {
        // lastObject is mostly an optimization, we don't care if we don't have atomic operations here
        this.lastObjectRef = new WeakReference<JRVirtualizable>(o);

        synchronized (this) {
            JRVirtualizationContext context = o.getContext();
            Object ownerLast = lastObjectMap.get(context);
            if (ownerLast != o) {
                if (ownerLast != null) {
                    lastObjectSet.remove(ownerLast);
                }/*from  www . j  a  va2  s  . co m*/
                lastObjectMap.put(context, o);
                lastObjectSet.put(o, Boolean.TRUE);
            }
        }
    }
}

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

/**
 * Set a callback handler with a weak reference. Use weak handler if you do not want the ajax callback to hold the handler object from garbage collection.
 * For example, if the handler is an activity, weakHandler should be used since the method shouldn't be invoked if an activity is already dead and garbage collected.
 *
 * @param handler the handler/*  w  ww. ja  v a  2s.c o m*/
 * @param callback the callback
 * @return self
 */
public K weakHandler(Object handler, String callback) {
    this.whandler = new WeakReference<Object>(handler);
    this.callback = callback;
    this.handler = null;
    return self();
}

From source file:ca.etsmtl.applets.etsmobile.ScheduleWeekActivity.java

@SuppressWarnings("deprecation")
@Override//w  w  w . j  a v a 2  s.c  o m
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.calendar_view_week);
    creds = new UserCredentials(PreferenceManager.getDefaultSharedPreferences(this));
    TestFlight.passCheckpoint(this.getClass().getName());
    // get data async
    handler = new CalendarTaskHandlerWeek(this);
    new CalendarTaskWeek(handler).execute(creds);
    // getCalendarICS();

    // set the navigation bar
    navBar = (NavBar) findViewById(R.id.navBar1);
    navBar.setTitle(R.drawable.navbar_horaire_title);

    // set the gridview containing the day names
    final String[] day_names = getResources().getStringArray(R.array.day_names_5_days_week);

    final GridView grid = (GridView) findViewById(R.id.gridDayNames);
    grid.setAdapter(new ArrayAdapter<String>(this, R.layout.day_name, day_names));

    // set next and previous buttons
    final ImageButton btn_previous = (ImageButton) findViewById(R.id.btn_previous);
    final ImageButton btn_next = (ImageButton) findViewById(R.id.btn_next);

    btn_previous.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(final View v) {
            currentCalendar.previousWeek();
        }
    });
    btn_next.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(final View v) {
            currentCalendar.nextWeek();
        }
    });

    // set the calendar view
    currentGridView = (NumGridViewWeek) findViewById(R.id.calendar_view);
    currentGridView.setOnCellTouchListener(mNumGridViewWeek_OnCellTouchListener);

    // assignation des session dja en mmoire
    currentGridView.setSessions(ETSMobileApp.getInstance().getSessionsFromPrefs());

    // Affiche le mois courant
    final CalendarTextView txtcalendar_title = (CalendarTextView) findViewById(R.id.calendar_title);

    // initialisation des observers
    currentCalendar = new CurrentCalendar();

    currentCalendar.addObserver(currentGridView);
    currentCalendar.addObserver(txtcalendar_title);

    // set DatePicker
    // ScheduleWeekActivity.this, 0, mDateSetListener, i, j, k);
    txtcalendar_title.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            new DatePickerFragment(new WeakReference<ScheduleWeekActivity>(ScheduleWeekActivity.this))
                    .show(getSupportFragmentManager(), "");
        }
    });
    // currentCalendar.addObserver(datePickerDialog);
    currentCalendar.setChanged();
    currentCalendar.notifyObservers(currentCalendar.getCalendar());

    lst_cours = (CalendarEventsListView) findViewById(R.id.lst_cours);
    Log.v("ScheduleActivity", "ScheduleActivity: lst_cours=" + lst_cours);
    if (currentGridView != null) {
        if (currentGridView.getCurrentCell() != null) {
            Log.v("ScheduleWeekActivity",
                    "ScheduleWeekActivity: onCreate: currentGridView.getCurrentCell()!=null");
            currentGridView.getCurrentCell().addObserver(lst_cours);
            currentGridView.getCurrentCell().setChanged();
            currentGridView.getCurrentCell().notifyObservers();
        }
    }

    navBar.setRightButtonText(R.string.Ajourdhui);
    navBar.showRightButton();
    navBar.setRightButtonAction(new View.OnClickListener() {
        @Override
        public void onClick(final View v) {
            if (currentGridView.getCurrentCell() != null) {
                currentGridView.getCurrentCell().deleteObservers();
                currentGridView.setCurrentCell(null);
            }

            currentCalendar.setToday();
            currentCalendar.setChanged();

            if (currentGridView.getCurrentCell() != null) {
                currentGridView.getCurrentCell().addObserver(lst_cours);
                currentGridView.getCurrentCell().setChanged();
                currentGridView.getCurrentCell().notifyObservers();
            } else {
                lst_cours = (CalendarEventsListView) findViewById(R.id.lst_cours);
                lst_cours.resetAdaper();
            }
        }
    });
}