Examples with Pair org.apache.commons.math3.util.Pair used on opensource projects

Example 41 with Pair

use of org.apache.commons.math3.util.Pair in project druid by druid-io.

the class BenchmarkColumnValueGenerator method initDistribution.

private void initDistribution() {
    BenchmarkColumnSchema.ValueDistribution distributionType = schema.getDistributionType();
    ValueType type = schema.getType();
    List<Object> enumeratedValues = schema.getEnumeratedValues();
    List<Double> enumeratedProbabilities = schema.getEnumeratedProbabilities();
    List<Pair<Object, Double>> probabilities = new ArrayList<>();
    switch(distributionType) {
        case SEQUENTIAL:
            // not random, just cycle through numbers from start to end, or cycle through enumerated values if provided
            distribution = new SequentialDistribution(schema.getStartInt(), schema.getEndInt(), schema.getEnumeratedValues());
            break;
        case UNIFORM:
            distribution = new UniformRealDistribution(schema.getStartDouble(), schema.getEndDouble());
            break;
        case DISCRETE_UNIFORM:
            if (enumeratedValues == null) {
                enumeratedValues = new ArrayList<>();
                for (int i = schema.getStartInt(); i < schema.getEndInt(); i++) {
                    Object val = convertType(i, type);
                    enumeratedValues.add(val);
                }
            }
            // give them all equal probability, the library will normalize probabilities to sum to 1.0
            for (int i = 0; i < enumeratedValues.size(); i++) {
                probabilities.add(new Pair<>(enumeratedValues.get(i), 0.1));
            }
            distribution = new EnumeratedTreeDistribution<>(probabilities);
            break;
        case NORMAL:
            distribution = new NormalDistribution(schema.getMean(), schema.getStandardDeviation());
            break;
        case ROUNDED_NORMAL:
            NormalDistribution normalDist = new NormalDistribution(schema.getMean(), schema.getStandardDeviation());
            distribution = new RealRoundingDistribution(normalDist);
            break;
        case ZIPF:
            int cardinality;
            if (enumeratedValues == null) {
                Integer startInt = schema.getStartInt();
                cardinality = schema.getEndInt() - startInt;
                ZipfDistribution zipf = new ZipfDistribution(cardinality, schema.getZipfExponent());
                for (int i = 0; i < cardinality; i++) {
                    probabilities.add(new Pair<>((Object) (i + startInt), zipf.probability(i)));
                }
            } else {
                cardinality = enumeratedValues.size();
                ZipfDistribution zipf = new ZipfDistribution(enumeratedValues.size(), schema.getZipfExponent());
                for (int i = 0; i < cardinality; i++) {
                    probabilities.add(new Pair<>(enumeratedValues.get(i), zipf.probability(i)));
                }
            }
            distribution = new EnumeratedTreeDistribution<>(probabilities);
            break;
        case ENUMERATED:
            for (int i = 0; i < enumeratedValues.size(); i++) {
                probabilities.add(new Pair<>(enumeratedValues.get(i), enumeratedProbabilities.get(i)));
            }
            distribution = new EnumeratedTreeDistribution<>(probabilities);
            break;
        default:
            throw new UnsupportedOperationException("Unknown distribution type: " + distributionType);
    }
    if (distribution instanceof AbstractIntegerDistribution) {
        ((AbstractIntegerDistribution) distribution).reseedRandomGenerator(seed);
    } else if (distribution instanceof AbstractRealDistribution) {
        ((AbstractRealDistribution) distribution).reseedRandomGenerator(seed);
    } else if (distribution instanceof EnumeratedDistribution) {
        ((EnumeratedDistribution) distribution).reseedRandomGenerator(seed);
    }
}

Example 42 with Pair

use of org.apache.commons.math3.util.Pair in project animate by hitherejoe.

the class SharedTransitionsActivity method startSharedTransition.

@OnClick(R.id.text_shared_transition)
public void startSharedTransition(View view) {
    Intent intent = new Intent(SharedTransitionsActivity.this, SharedTransitionInToolbarActivity.class);
    intent.putExtra(TransitionInActivity.EXTRA_TRANSITION, TransitionInActivity.TRANSITION_FADE_FAST);
    Pair participants = new Pair<>(view, ViewCompat.getTransitionName(view));
    ActivityOptionsCompat transitionActivityOptions = ActivityOptionsCompat.makeSceneTransitionAnimation(SharedTransitionsActivity.this, participants);
    ActivityCompat.startActivity(SharedTransitionsActivity.this, intent, transitionActivityOptions.toBundle());
}

Example 43 with Pair

use of org.apache.commons.math3.util.Pair in project android-topeka by googlesamples.

the class SignInFragment method performSignInWithTransition.

private void performSignInWithTransition(View v) {
    final Activity activity = getActivity();
    if (v == null || ApiLevelHelper.isLowerThan(Build.VERSION_CODES.LOLLIPOP)) {
        // Don't run a transition if the passed view is null
        CategorySelectionActivity.start(activity, mPlayer);
        activity.finish();
        return;
    }
    if (ApiLevelHelper.isAtLeast(Build.VERSION_CODES.LOLLIPOP)) {
        activity.getWindow().getSharedElementExitTransition().addListener(new TransitionListenerAdapter() {

            @Override
            public void onTransitionEnd(Transition transition) {
                activity.finish();
            }
        });
        final Pair[] pairs = TransitionHelper.createSafeTransitionParticipants(activity, true, new Pair<>(v, activity.getString(R.string.transition_avatar)));
        @SuppressWarnings("unchecked") ActivityOptionsCompat activityOptions = ActivityOptionsCompat.makeSceneTransitionAnimation(activity, pairs);
        CategorySelectionActivity.start(activity, mPlayer, activityOptions);
    }
}

Example 44 with Pair

use of org.apache.commons.math3.util.Pair in project android-topeka by googlesamples.

the class TransitionHelper method createSafeTransitionParticipants.

/**
     * Create the transition participants required during a activity transition while
     * avoiding glitches with the system UI.
     *
     * @param activity The activity used as start for the transition.
     * @param includeStatusBar If false, the status bar will not be added as the transition
     * participant.
     * @return All transition participants.
     */
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static Pair<View, String>[] createSafeTransitionParticipants(@NonNull Activity activity, boolean includeStatusBar, @Nullable Pair... otherParticipants) {
    // Avoid system UI glitches as described here:
    // https://plus.google.com/+AlexLockwood/posts/RPtwZ5nNebb
    View decor = activity.getWindow().getDecorView();
    View statusBar = null;
    if (includeStatusBar) {
        statusBar = decor.findViewById(android.R.id.statusBarBackground);
    }
    View navBar = decor.findViewById(android.R.id.navigationBarBackground);
    // Create pair of transition participants.
    List<Pair> participants = new ArrayList<>(3);
    addNonNullViewToTransitionParticipants(statusBar, participants);
    addNonNullViewToTransitionParticipants(navBar, participants);
    // only add transition participants if there's at least one none-null element
    if (otherParticipants != null && !(otherParticipants.length == 1 && otherParticipants[0] == null)) {
        participants.addAll(Arrays.asList(otherParticipants));
    }
    //noinspection unchecked
    return participants.toArray(new Pair[participants.size()]);
}

Example 45 with Pair

use of org.apache.commons.math3.util.Pair in project native-navigation by airbnb.

the class AutoSharedElementCallback method mapBestPartialMatches.

private void mapBestPartialMatches(List<String> names, Map<String, View> sharedElements) {
    List<Pair<View, String>> allTransitionViews = new ArrayList<>();
    ViewUtils.findTransitionViews(getDecorView(), allTransitionViews);
    List<View> partialMatches = new ArrayList<>();
    for (String name : names) {
        if (sharedElements.containsKey(name)) {
            // Exact match
            continue;
        }
        TransitionName tn = TransitionName.parse(name);
        findAllPartialMatches(tn, allTransitionViews, partialMatches);
        if (!partialMatches.isEmpty()) {
            View mostVisibleView = ViewUtils.getMostVisibleView(partialMatches);
            sharedElements.put(name, mostVisibleView);
        }
    }
    if (delegate != null) {
        delegate.onPostMapSharedElements(names, sharedElements);
    }
}