RxJava2.x-window语法

2018-08-19  本文已影响163人  河马过河

一、window语法

    public Observable<Integer> getRxJavaDistinctData() {
        return Observable.just(1, 2, 2, 1, 1, 2, 3, 4, 5, 2);
    }
 public void rxJavaWindowExample() {
        Disposable disposable = model.getRxJavaDistinctData()
                .window(3)
                .subscribeOn(Schedulers.io())
                .unsubscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Consumer<Observable<Integer>>() {
                    @Override
                    public void accept(Observable<Integer> longObservable) throws Exception {
                        LogUtils.error(TAG, "rxJavaReduceExample--:" + Thread.currentThread().getName() + "-consumer1-:" );
                        Disposable disposable1 = longObservable.subscribeOn(Schedulers.io())
                                .unsubscribeOn(Schedulers.io())
                                .observeOn(AndroidSchedulers.mainThread())
                                .subscribe(new Consumer<Integer>() {
                                    @Override
                                    public void accept(Integer integer) throws Exception {
                                        LogUtils.error(TAG, "rxJavaReduceExample--:" + Thread.currentThread().getName() + "-consumer2-:" + integer);
                                    }
                                });
                        compositeDisposable.add(disposable1);
                    }
                });
        compositeDisposable.add(disposable);
    }

日志

08-19 15:59:53.646 3730-3730/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer1-:
08-19 15:59:53.647 3730-3730/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer1-:
    rxJavaReduceExample--:main-consumer1-:
    rxJavaReduceExample--:main-consumer1-:
08-19 15:59:53.648 3730-3730/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:2
    rxJavaReduceExample--:main-consumer2-:2
    rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:2
    rxJavaReduceExample--:main-consumer2-:3
    rxJavaReduceExample--:main-consumer2-:4
    rxJavaReduceExample--:main-consumer2-:5
    rxJavaReduceExample--:main-consumer2-:2

二、window方法2

 public void rxJavaWindowExample() {
        Disposable disposable = model.getRxJavaDistinctData()
                .window(3,2)
                .subscribeOn(Schedulers.io())
                .unsubscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Consumer<Observable<Integer>>() {
                    @Override
                    public void accept(Observable<Integer> longObservable) throws Exception {
                        LogUtils.error(TAG, "rxJavaReduceExample--:" + Thread.currentThread().getName() + "-consumer1-:" );
                        Disposable disposable1 = longObservable.subscribeOn(Schedulers.io())
                                .unsubscribeOn(Schedulers.io())
                                .observeOn(AndroidSchedulers.mainThread())
                                .subscribe(new Consumer<Integer>() {
                                    @Override
                                    public void accept(Integer integer) throws Exception {
                                        LogUtils.error(TAG, "rxJavaReduceExample--:" + Thread.currentThread().getName() + "-consumer2-:" + integer);
                                    }
                                });
                        compositeDisposable.add(disposable1);
                    }
                });
        compositeDisposable.add(disposable);
    }


日志

08-19 15:57:29.906 28739-28739/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer1-:
    rxJavaReduceExample--:main-consumer1-:
08-19 15:57:29.908 28739-28739/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer1-:
    rxJavaReduceExample--:main-consumer1-:
08-19 15:57:29.909 28739-28739/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer1-:
08-19 15:57:29.910 28739-28739/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:2
    rxJavaReduceExample--:main-consumer2-:2
    rxJavaReduceExample--:main-consumer2-:2
    rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:1
    rxJavaReduceExample--:main-consumer2-:2
08-19 15:57:29.911 28739-28739/com.example.zhang E/MainPresenter: rxJavaReduceExample--:main-consumer2-:3
    rxJavaReduceExample--:main-consumer2-:3
    rxJavaReduceExample--:main-consumer2-:4
    rxJavaReduceExample--:main-consumer2-:5
    rxJavaReduceExample--:main-consumer2-:5
    rxJavaReduceExample--:main-consumer2-:2

总结

1、window(long count) 被分割成的每个window最大数据值
2、window(long count, long skip) count 每个window最大数据值,skip步长
3、window与buffer区别:window是把数据分割成了Observable,buffer是把数据分割成List


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