Examples with TransformedPropertyImpl com.canoo.dp.impl.reactive.TransformedPropertyImpl used on opensource projects

Example 1 with TransformedPropertyImpl

use of com.canoo.dp.impl.reactive.TransformedPropertyImpl in project dolphin-platform by canoo.

the class ReactiveTransormations method throttleLast.

/**
 * Provides a {@link TransformedProperty} that is "throttleLast" transformation of the given {@link Property}.
 * @param property the property
 * @param timeout timeout for the "throttleLast" transformation
 * @param unit time unit for the "throttleLast" transformation
 * @param <T> type of the property
 * @return the transformed property
 */
public static <T> TransformedProperty<T> throttleLast(Property<T> property, long timeout, TimeUnit unit) {
    Assert.requireNonNull(property, "property");
    Assert.requireNonNull(unit, "unit");
    final PublishSubject<T> reactiveObservable = PublishSubject.create();
    Subscription basicSubscription = property.onChanged(new ValueChangeListener<T>() {

        @Override
        public void valueChanged(ValueChangeEvent<? extends T> evt) {
            reactiveObservable.onNext(evt.getNewValue());
        }
    });
    TransformedPropertyImpl result = new TransformedPropertyImpl<>(basicSubscription);
    Observable<T> transformedObservable = reactiveObservable.throttleLast(timeout, unit);
    transformedObservable.subscribe(result);
    reactiveObservable.onNext(property.get());
    return result;
}

Example 2 with TransformedPropertyImpl

use of com.canoo.dp.impl.reactive.TransformedPropertyImpl in project dolphin-platform by canoo.

the class ReactiveTransormations method debounce.

/**
 * Provides a {@link TransformedProperty} that is "debounce" transformation of the given {@link Property}.
 * @param property the property
 * @param timeout timeout for the "debounce" transformation
 * @param unit time unit for the "debounce" transformation
 * @param <T> type of the property
 * @return the transformed property
 */
public static <T> TransformedProperty<T> debounce(Property<T> property, long timeout, TimeUnit unit) {
    Assert.requireNonNull(property, "property");
    Assert.requireNonNull(unit, "unit");
    final PublishSubject<T> reactiveObservable = PublishSubject.create();
    Subscription basicSubscription = property.onChanged(new ValueChangeListener<T>() {

        @Override
        public void valueChanged(ValueChangeEvent<? extends T> evt) {
            reactiveObservable.onNext(evt.getNewValue());
        }
    });
    TransformedPropertyImpl result = new TransformedPropertyImpl<>(basicSubscription);
    Observable<T> transformedObservable = reactiveObservable.debounce(timeout, unit);
    transformedObservable.subscribe(result);
    reactiveObservable.onNext(property.get());
    return result;
}

Example 3 with TransformedPropertyImpl

use of com.canoo.dp.impl.reactive.TransformedPropertyImpl in project dolphin-platform by canoo.

the class ReactiveTransormations method filter.

/**
 * Provides a {@link TransformedProperty} that is "filter" transformation of the given {@link Property}.
 * @param property the property
 * @param filterFunction the map that does the filtering for the transformation
 * @param <T> type of the property
 * @return the transformed property
 */
public static <T> TransformedProperty<T> filter(Property<T> property, Func1<T, Boolean> filterFunction) {
    Assert.requireNonNull(property, "property");
    Assert.requireNonNull(filterFunction, "filterFunction");
    final PublishSubject<T> reactiveObservable = PublishSubject.create();
    Subscription basicSubscription = property.onChanged(new ValueChangeListener<T>() {

        @Override
        public void valueChanged(ValueChangeEvent<? extends T> evt) {
            reactiveObservable.onNext(evt.getNewValue());
        }
    });
    TransformedPropertyImpl result = new TransformedPropertyImpl<>(basicSubscription);
    Observable<T> transformedObservable = reactiveObservable.filter(filterFunction);
    transformedObservable.subscribe(result);
    reactiveObservable.onNext(property.get());
    return result;
}

Example 4 with TransformedPropertyImpl

use of com.canoo.dp.impl.reactive.TransformedPropertyImpl in project dolphin-platform by canoo.

the class ReactiveTransormations method map.

/**
 * Provides a {@link TransformedProperty} that is "map" transformation of the given {@link Property}.
 * @param property the property
 * @param mapFunction the function that does the mapping for the transformation
 * @param <T> type of the property
 * @return the transformed property
 */
public static <T, U> TransformedProperty<U> map(Property<T> property, Func1<T, U> mapFunction) {
    Assert.requireNonNull(property, "property");
    Assert.requireNonNull(mapFunction, "mapFunction");
    final PublishSubject<T> reactiveObservable = PublishSubject.create();
    Subscription basicSubscription = property.onChanged(new ValueChangeListener<T>() {

        @Override
        public void valueChanged(ValueChangeEvent<? extends T> evt) {
            reactiveObservable.onNext(evt.getNewValue());
        }
    });
    TransformedPropertyImpl result = new TransformedPropertyImpl<>(basicSubscription);
    Observable<U> transformedObservable = reactiveObservable.map(mapFunction);
    transformedObservable.subscribe(result);
    reactiveObservable.onNext(property.get());
    return result;
}