Examples with WeakReference java.lang.ref.WeakReference used on opensource projects

Example 16 with WeakReference

use of java.lang.ref.WeakReference in project PneumaticCraft by MineMaarten.

the class VisNetHandler method addNode.

public static WeakReference<TileVisNode> addNode(World world, TileVisNode vn) {
    WeakReference ref = new WeakReference(vn);
    HashMap<WorldCoordinates, WeakReference<TileVisNode>> sourcelist = sources.get(world.provider.dimensionId);
    if (sourcelist == null) {
        sourcelist = new HashMap<WorldCoordinates, WeakReference<TileVisNode>>();
        return null;
    }
    ArrayList<Object[]> nearby = new ArrayList<Object[]>();
    for (WeakReference<TileVisNode> root : sourcelist.values()) {
        if (!isNodeValid(root))
            continue;
        TileVisNode source = root.get();
        float r = inRange(world, vn.getLocation(), source.getLocation(), vn.getRange());
        if (r > 0) {
            nearby.add(new Object[] { source, r - vn.getRange() * 2 });
        }
        nearby = findClosestNodes(vn, source, nearby);
        cache.clear();
    }
    float dist = Float.MAX_VALUE;
    TileVisNode closest = null;
    if (nearby.size() > 0) {
        for (Object[] o : nearby) {
            if ((Float) o[1] < dist && (vn.getAttunement() == -1 || ((TileVisNode) o[0]).getAttunement() == -1 || //) {
            vn.getAttunement() == ((TileVisNode) o[0]).getAttunement()) && canNodeBeSeen(vn, (TileVisNode) o[0])) {
                dist = (Float) o[1];
                closest = (TileVisNode) o[0];
            }
        }
    }
    if (closest != null) {
        closest.getChildren().add(ref);
        nearbyNodes.clear();
        return new WeakReference(closest);
    }
    return null;
}

Example 17 with WeakReference

use of java.lang.ref.WeakReference in project Carbon by ZieIony.

the class CarbonResources method loadDrawable.

public Drawable loadDrawable(TypedValue value, Resources.Theme theme) throws Resources.NotFoundException {
    if (value == null || value.resourceId == 0) {
        return null;
    }
    final boolean isColorDrawable;
    final LongSparseArray<WeakReference<Drawable.ConstantState>> cache;
    final long key;
    if (value.type >= TypedValue.TYPE_FIRST_COLOR_INT && value.type <= TypedValue.TYPE_LAST_COLOR_INT) {
        isColorDrawable = true;
        cache = sColorDrawableCache;
        key = value.data;
    } else {
        isColorDrawable = false;
        cache = sDrawableCache;
        key = (long) value.assetCookie << 32 | value.data;
    }
    Drawable dr = getCachedDrawable(cache, key);
    if (dr != null) {
        return dr;
    }
    Drawable.ConstantState cs = null;
    if (cs != null) {
        final Drawable cloneDr = cs.newDrawable(this);
        if (theme != null) {
            dr = cloneDr.mutate();
            applyTheme(dr, theme);
        } else {
            dr = cloneDr;
        }
    } else if (isColorDrawable) {
        dr = new ColorDrawable(value.data);
    } else {
        dr = loadDrawableForCookie(value, value.resourceId, theme);
    }
    if (dr != null) {
        dr.setChangingConfigurations(value.changingConfigurations);
        cacheDrawable(value, theme, isColorDrawable, key, dr, cache);
    }
    return dr;
}

Example 18 with WeakReference

use of java.lang.ref.WeakReference in project remusic by aa112901.

the class RoundFragment method onStart.

@Override
public void onStart() {
    super.onStart();
    //        animatorWeakReference = new  WeakReference<ObjectAnimator>(new ObjectAnimator());
    //        animator = animatorWeakReference.get();
    animatorWeakReference = new WeakReference(ObjectAnimator.ofFloat(getView(), "rotation", new float[] { 0.0F, 360.0F }));
    animator = animatorWeakReference.get();
    //animator = ObjectAnimator.ofFloat(getView(), "rotation", new float[]{0.0F, 360.0F});
    animator.setRepeatCount(Integer.MAX_VALUE);
    animator.setDuration(25000L);
    animator.setInterpolator(new LinearInterpolator());
    if (getView() != null)
        getView().setTag(R.id.tag_animator, this.animator);
}

Example 19 with WeakReference

use of java.lang.ref.WeakReference in project dubbo by alibaba.

the class Proxy method getProxy.

/**
	 * Get proxy.
	 * @param cl class loader.
	 * @param ics interface class array.
	 * 
	 * @return Proxy instance.
	 */
public static Proxy getProxy(ClassLoader cl, Class<?>... ics) {
    if (ics.length > 65535)
        throw new IllegalArgumentException("interface limit exceeded");
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < ics.length; i++) {
        String itf = ics[i].getName();
        if (!ics[i].isInterface())
            throw new RuntimeException(itf + " is not a interface.");
        Class<?> tmp = null;
        try {
            tmp = Class.forName(itf, false, cl);
        } catch (ClassNotFoundException e) {
        }
        if (tmp != ics[i])
            throw new IllegalArgumentException(ics[i] + " is not visible from class loader");
        sb.append(itf).append(';');
    }
    // use interface class name list as key.
    String key = sb.toString();
    // get cache by class loader.
    Map<String, Object> cache;
    synchronized (ProxyCacheMap) {
        cache = ProxyCacheMap.get(cl);
        if (cache == null) {
            cache = new HashMap<String, Object>();
            ProxyCacheMap.put(cl, cache);
        }
    }
    Proxy proxy = null;
    synchronized (cache) {
        do {
            Object value = cache.get(key);
            if (value instanceof Reference<?>) {
                proxy = (Proxy) ((Reference<?>) value).get();
                if (proxy != null)
                    return proxy;
            }
            if (value == PendingGenerationMarker) {
                try {
                    cache.wait();
                } catch (InterruptedException e) {
                }
            } else {
                cache.put(key, PendingGenerationMarker);
                break;
            }
        } while (true);
    }
    long id = PROXY_CLASS_COUNTER.getAndIncrement();
    String pkg = null;
    ClassGenerator ccp = null, ccm = null;
    try {
        ccp = ClassGenerator.newInstance(cl);
        Set<String> worked = new HashSet<String>();
        List<Method> methods = new ArrayList<Method>();
        for (int i = 0; i < ics.length; i++) {
            if (!Modifier.isPublic(ics[i].getModifiers())) {
                String npkg = ics[i].getPackage().getName();
                if (pkg == null) {
                    pkg = npkg;
                } else {
                    if (!pkg.equals(npkg))
                        throw new IllegalArgumentException("non-public interfaces from different packages");
                }
            }
            ccp.addInterface(ics[i]);
            for (Method method : ics[i].getMethods()) {
                String desc = ReflectUtils.getDesc(method);
                if (worked.contains(desc))
                    continue;
                worked.add(desc);
                int ix = methods.size();
                Class<?> rt = method.getReturnType();
                Class<?>[] pts = method.getParameterTypes();
                StringBuilder code = new StringBuilder("Object[] args = new Object[").append(pts.length).append("];");
                for (int j = 0; j < pts.length; j++) code.append(" args[").append(j).append("] = ($w)$").append(j + 1).append(";");
                code.append(" Object ret = handler.invoke(this, methods[" + ix + "], args);");
                if (!Void.TYPE.equals(rt))
                    code.append(" return ").append(asArgument(rt, "ret")).append(";");
                methods.add(method);
                ccp.addMethod(method.getName(), method.getModifiers(), rt, pts, method.getExceptionTypes(), code.toString());
            }
        }
        if (pkg == null)
            pkg = PACKAGE_NAME;
        // create ProxyInstance class.
        String pcn = pkg + ".proxy" + id;
        ccp.setClassName(pcn);
        ccp.addField("public static java.lang.reflect.Method[] methods;");
        ccp.addField("private " + InvocationHandler.class.getName() + " handler;");
        ccp.addConstructor(Modifier.PUBLIC, new Class<?>[] { InvocationHandler.class }, new Class<?>[0], "handler=$1;");
        ccp.addDefaultConstructor();
        Class<?> clazz = ccp.toClass();
        clazz.getField("methods").set(null, methods.toArray(new Method[0]));
        // create Proxy class.
        String fcn = Proxy.class.getName() + id;
        ccm = ClassGenerator.newInstance(cl);
        ccm.setClassName(fcn);
        ccm.addDefaultConstructor();
        ccm.setSuperClass(Proxy.class);
        ccm.addMethod("public Object newInstance(" + InvocationHandler.class.getName() + " h){ return new " + pcn + "($1); }");
        Class<?> pc = ccm.toClass();
        proxy = (Proxy) pc.newInstance();
    } catch (RuntimeException e) {
        throw e;
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage(), e);
    } finally {
        // release ClassGenerator
        if (ccp != null)
            ccp.release();
        if (ccm != null)
            ccm.release();
        synchronized (cache) {
            if (proxy == null)
                cache.remove(key);
            else
                cache.put(key, new WeakReference<Proxy>(proxy));
            cache.notifyAll();
        }
    }
    return proxy;
}

Example 20 with WeakReference

use of java.lang.ref.WeakReference in project jna by java-native-access.

the class NativeLibraryTest method testAliasSimpleLibraryName.

public void testAliasSimpleLibraryName() throws Exception {
    NativeLibrary nl = NativeLibrary.getInstance("testlib");
    File file = nl.getFile();
    Reference<NativeLibrary> ref = new WeakReference<NativeLibrary>(nl);
    nl = null;
    System.gc();
    long start = System.currentTimeMillis();
    while (ref.get() != null) {
        Thread.sleep(10);
        if ((System.currentTimeMillis() - start) > 5000L) {
            fail("Timed out waiting for library to be GC'd");
        }
    }
    TestLibrary lib = Native.loadLibrary(file.getAbsolutePath(), TestLibrary.class);
    int count = lib.callCount();
    TestLibrary lib2 = Native.loadLibrary("testlib", TestLibrary.class);
    int count2 = lib2.callCount();
    assertEquals("Simple library name not aliased", count + 1, count2);
}