io.reactivex.functions.Consumer Java Examples

private static <T> Flowable<T> createFlowable(NamedCallableStatement stmt,
        Function<? super ResultSet, ? extends T> f) throws SQLException {
    ResultSet rsActual = stmt.stmt.getResultSet();
    Callable<ResultSet> initialState = () -> rsActual;
    BiConsumer<ResultSet, Emitter<T>> generator = (rs, emitter) -> {
        log.debug("getting row from ps={}, rs={}", stmt.stmt, rs);
        if (rs.next()) {
            T v = f.apply(rs);
            log.debug("emitting {}", v);
            emitter.onNext(v);
        } else {
            log.debug("completed");
            emitter.onComplete();
        }
    };
    Consumer<ResultSet> disposeState = Util::closeSilently;
    return Flowable.generate(initialState, generator, disposeState);
}
 

public void doIt(
        Completable flowable,
        Action complete,
        Consumer<? super Throwable> error
) {
    long current = disposableAddress.size();

    Disposable subscription = flowable.
            timeout(DEFAULT_TASK_TIMEOUT_SECONDS, TimeUnit.SECONDS)
            .doOnError(throwable -> {
                remove(current);
            })
            .doOnComplete(() -> {
                remove(current);
            })
            .subscribe(complete, error);

    disposableAddress.append(current, subscription);
}
 

@Override
protected void onStart() {
    super.onStart();
    mActivityLFEventLifeCycleProvider.emitNext(ActivityLFEvent.START);
    Observable.interval(1, TimeUnit.SECONDS)
        .doOnDispose(new Action() {
            @Override
            public void run() throws Exception {
                Log.i(TAG, "Unsubscribing subscription from onStart()");
            }
        })
        .compose(mActivityLFEventLifeCycleProvider.<Long>bindUntil(ActivityLFEvent.DESTROY))
        .subscribe(new Consumer<Long>() {
            @Override
            public void accept(Long num) throws Exception {
                Log.i(TAG, "Started in onStart(), running until in onDestroy(): " + num);
            }
        });
}
 

/**
 * Returns a Flowable stream of byte arrays from the given
 * {@link InputStream} between 1 and {@code bufferSize} bytes.
 * 
 * @param is
 *            input stream of bytes
 * @param bufferSize
 *            max emitted byte array size
 * @return a stream of byte arrays
 */
public static Flowable<byte[]> from(final InputStream is, final int bufferSize) {
    return Flowable.generate(new Consumer<Emitter<byte[]>>() {
        @Override
        public void accept(Emitter<byte[]> emitter) throws Exception {
            byte[] buffer = new byte[bufferSize];
            int count = is.read(buffer);
            if (count == -1) {
                emitter.onComplete();
            } else if (count < bufferSize) {
                emitter.onNext(Arrays.copyOf(buffer, count));
            } else {
                emitter.onNext(buffer);
            }
        }
    });
}
 

/**
 * Test app run.
 */
@Test
public void testAppRun()
{
	final One<Integer> counter=new One<>(0);
	final BindAppPreferences sp=BindAppPreferences.getInstance();
	sp.edit().putDescription("start").commit();
	
	sp.getDescriptionAsObservable().subscribe(new Consumer<String>() {
		@Override
		public void accept(String result) throws Exception {
			Logger.info("modify "+result);
			
			if (counter.value0==0)
				assertTrue(result.equals("start"));
			if (counter.value0>=1)
				assertTrue(result.equals("end"));
			
			counter.value0=counter.value0+1;
		}
	});
			
	sp.edit().putDescription("end").putName("name").commit();
			
	//
}
 

/**
 * 轮播图
 */
public void showBannerPage(final RequestImpl listener) {
    Disposable subscribe = HttpClient.Builder.getTingServer().getFrontpage()
            .observeOn(AndroidSchedulers.mainThread()).subscribeOn(Schedulers.io())
            .subscribe(new Consumer<FrontpageBean>() {
                @Override
                public void accept(FrontpageBean frontpageBean) throws Exception {
                    if (listener != null) {
                        listener.loadSuccess(frontpageBean);
                    }
                }
            }, new Consumer<Throwable>() {
                @Override
                public void accept(Throwable throwable) throws Exception {
                    if (listener != null) {
                        listener.loadFailed();
                    }
                }
            });
    if (listener != null) {
        listener.addSubscription(subscribe);
    }
}
 

public Flowable<Boolean> deleteScheduleCacheByUrl(final String url) {
  return RxRealmUtils
      .flowableExec(realmConfiguration, new Consumer<Pair<FlowableEmitter, Realm>>() {
        @Override
        public void accept(final Pair<FlowableEmitter, Realm> pair) throws Exception {
          pair.second.executeTransactionAsync(new Transaction() {
            @Override
            public void execute(Realm r) {
              final boolean isSuccess = r.where(ScheduleCache.class)
                  .equalTo("scheduleUrl", url)
                  .findAll()
                  .deleteAllFromRealm();
              pair.first.onNext(isSuccess);
              pair.first.onComplete();
            }
          });
        }
      });
}
 

@Override
public void attachView(PrivateArticleContract.PrivateArticleView view) {
    super.attachView(view);
    addEventSubscribe(RxBus.getDefault().toFlowable(ShareArticleEvent.class).subscribe(new Consumer<ShareArticleEvent>() {
        @Override
        public void accept(ShareArticleEvent shareArticleEvent) throws Exception {
            if(shareArticleEvent.ismIsShareSuccess()){
                //分享成功 刷新页面数据
                getPrivateArticleDataList(1,false);
                mView.showErrorMsg(shareArticleEvent.getmMsg());
            }else{
                mView.showErrorMsg(shareArticleEvent.getmMsg());
            }
        }
    }));
}
 

/**
 * 记录上一次番剧观看位置
 *
 * @param lastWatchPos 上一次观看位置
 */
public void updateScheduleReadRecord(final int lastWatchPos) {
  addSubscribe(
      mModel.updateScheduleWatchRecord(curScheduleCache, lastWatchPos)
          .compose(RxUtil.<ScheduleCache>rxSchedulerHelper())
          .subscribe(new Consumer<ScheduleCache>() {
            @Override
            public void accept(ScheduleCache scheduleCache) throws Exception {
              curScheduleCache.setLastWatchPos(lastWatchPos);
              mView.showScheduleCacheStatus(curScheduleCache);
            }
          }, new Consumer<Throwable>() {
            @Override
            public void accept(Throwable throwable) throws Exception {
              throwable.printStackTrace();
            }
          })
  );
}
 

private void setProgress(final Message msg, final ProgressView progressView) {
    if (mDisposable2 == null || mDisposable2.isDisposed()) {
        mDisposable2 = Observable.interval(1000, TimeUnit.MILLISECONDS)
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe(new Consumer<Long>() {
                @Override
                public void accept(Long aLong) throws Exception {
                    long curPosition = State.transfers.getProgress(msg.getId());
                    LogUtil.i(TAG, "progress interval size:"
                        + msg.getSize()
                        + ",curPosition:"
                        + curPosition);

                    progressView.setProgress(msg.getSize(),
                        State.transfers.getProgress(msg.getId()));
                    if (msg.getSize() <= curPosition) {
                        mDisposable2.dispose();
                        mDisposable2 = null;
                    }
                }
            });
    }
}
 

public void setMyLocationAsPickup() {
    if (mState.getOrder() == null
            && mState.currentLocation != null) {

        removePickupMarker();
        if (mState.pickupPlace == null) {
            mState.pickupPlace = new Place();
        }

        mState.isMyLocationBind = true;
        mState.pickupPlace.latitude = mState.currentLocation.getLatitude();
        mState.pickupPlace.longitude = mState.currentLocation.getLongitude();
        mState.pickupPlace.preview = myLocationText;

        disposables.add(MapUtils.getAddress(mContext, mState.pickupPlace.getLatLng()).subscribe(new Consumer<String>() {
            @Override
            public void accept(String s) {
                mState.pickupPlace.address = s;
                mView.updatePickup(mState.pickupPlace);
                updateMapCamera();
                //TODO debug
                updatePickupPlace(mState.pickupPlace);
            }
        }));
    }
}
 

@Test(expected = IllegalStateException.class)
public void assertThatFlowableEmitsOnceNegative() {
    final Flowable<Integer> testFlowable = Flowable.just(1, 2);

    new FlowableBehaviorChecker<Integer>()
            .flowable(testFlowable)
            .expectedNumberOfEmissions(1)
            .testAction(new Consumer<Integer>() {
                final AtomicInteger numberOfInvocations = new AtomicInteger(0);

                @Override
                public void accept(@NonNull Integer integer) throws Exception {
                    if (numberOfInvocations.incrementAndGet() > 1) {
                        fail("Should be called once");
                    }
                }
            })
            .checkBehaviorOfFlowable();
}
 

@Test
public void testSelfObservableDelete() throws Exception {
    final AtomicInteger count = new AtomicInteger();
    Disposable disposable = data.select(Person.class).get().observableResult().subscribe(
        new Consumer<Result<Person>>() {
            @Override
            public void accept(Result<Person> persons) {
                count.incrementAndGet();
            }
        });
    Person person = randomPerson();
    data.insert(person).blockingGet();
    data.delete(person).blockingGet();
    assertEquals(3, count.get());
    disposable.dispose();
}
 

@Test
@SmallTest
@UiThreadTest
public void testOneCellWithMultiViewExposure() {
    Consumer<ClickExposureCellOp> consumer1 = new Consumer<ClickExposureCellOp>() {
        @Override
        public void accept(ClickExposureCellOp clickEvent) throws Exception {
            assertTrue(Looper.myLooper() == Looper.getMainLooper());
            assertTrue(clickEvent.getArg1() == mView1 || clickEvent.getArg1() == mView2);
            assertTrue(clickEvent.getArg2() == mBaseCell1);
            Log.d("RxExposureSupportTest", "testOneCellWithMultiViewExposure mEventType " + clickEvent.getArg3());
            Log.d("RxExposureSupportTest", "testOneCellWithMultiViewExposure view " + clickEvent.getArg1());
        }
    };
    //mExposureSupport.setConsumer(consumer1);

    mBaseCell1.exposure(mView1);
    mBaseCell1.exposure(mView2);
}
 

@Test
public void testConvertToSingleFinished() throws Exception {
    T completable = originalFutureTestHelper.createFinishedFuture();

    Single<String> single = toSingle(completable);
    Consumer<String> onSuccess = mockAction();
    Consumer<Throwable> onError = mockAction();

    single.subscribe(v -> {
            onSuccess.accept(v);
            latch.countDown();
        },
        onError);

    latch.await();

    verify(onSuccess).accept(VALUE);
    verifyZeroInteractions(onError);

    assertSame(completable, toFuture(single));
}
 

/**
 * 用RxJava添加订阅者
 *
 * @param subscriberMethod d
 */
@SuppressWarnings("unchecked")
private void addSubscriber(final SubscriberMethod subscriberMethod) {
    Flowable flowable;
    if (subscriberMethod.code == -1) {
        flowable = toObservable(subscriberMethod.eventType);
    } else {
        flowable = toObservable(subscriberMethod.code, subscriberMethod.eventType);
    }
    Disposable subscription = postToObservable(flowable, subscriberMethod)
            .subscribe(new Consumer<Object>() {
                @Override
                public void accept(Object o) throws Exception {
                    callEvent(subscriberMethod, o);
                }
            });

    addSubscriptionToMap(subscriberMethod.subscriber.getClass(), subscription);
}
 

/**
 * 更新余额、当日收支
 **/
public void updateBalance(final int type, final List<TaskCard<Accounting>> taskcards) {
    Observable.create(new ObservableOnSubscribe<Integer>() {
        @Override
        public void subscribe(ObservableEmitter<Integer> e) throws Exception {
            CountToday();
            CountBalance(type, taskcards);
            e.onNext(0);
        }
    })
            .subscribeOn(Schedulers.io())   //执行订阅（subscribe()）所在线程
            .observeOn(AndroidSchedulers.mainThread())  //响应订阅（Sbscriber）所在线程
            .subscribe(new Consumer<Integer>() {
                @Override
                public void accept(Integer integer) throws Exception {
                    if (AppConfig.dPreferences.getBoolean(AppConfig.HAS_AMOUNT, false))
                        mTvBalance.setText("￥" + AssistUtils.formatAmount(balance));
                    mAdapter.notifyItemChanged(0);
                }
            });
}
 

private void createSpeedObserver() {
    if (mDisposableSpeed != null && !mDisposableSpeed.isDisposed()) {
        return;
    }
    mDisposableSpeed = Observable.interval(1, 1, TimeUnit.SECONDS)
            .subscribeOn(Schedulers.computation())
            .map(new Function<Long, Float>() {
                private long lastDownloadLength = 0;

                @Override
                public Float apply(Long ms) throws Exception {
                    float bytesPerSecond = UnitFormatUtils.calculateSpeed(mInfo.downloadLength - lastDownloadLength, 1);
                    lastDownloadLength = mInfo.downloadLength;
                    return bytesPerSecond;
                }
            })
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe(new Consumer<Float>() {
                @Override
                public void accept(Float speedPerSecond) throws Exception {
                    if (mSpeedListener != null) {
                        mSpeedListener.onSpeedChange(speedPerSecond, UnitFormatUtils.formatSpeedPerSecond(speedPerSecond));
                    }
                }
            });
}
 

void verifyRawQueryBehaviorForCursor(@NonNull Flowable<Cursor> flowable) {
    new FlowableBehaviorChecker<Cursor>()
            .flowable(flowable)
            .expectedNumberOfEmissions(1)
            .testAction(new Consumer<Cursor>() {
                @Override
                public void accept(Cursor cursor) {
                    // Get Operation should be subscribed to changes of tables from Query
                    verify(storIOSQLite).observeChanges(LATEST);
                    verify(storIOSQLite).defaultRxScheduler();
                    verifyRawQueryBehaviorForCursor(cursor);
                }
            })
            .checkBehaviorOfFlowable();

    assertThat(rawQuery.observesTables()).isNotNull();
}
 

@Test public void readThrowsOnSubscribeWhenCannotStoreSecurely() {
  shadowContext.grantPermissions(USE_FINGERPRINT);
  when(fingerprintManager.isHardwareDetected()).thenReturn(true);
  when(fingerprintManager.hasEnrolledFingerprints()).thenReturn(true);

  Observable<ReadResult> read = whorlwind.read("a");
  shadowContext.denyPermissions(USE_FINGERPRINT);

  try {
    read.blockingForEach(new Consumer<ReadResult>() {
      @Override public void accept(ReadResult readResult) throws Exception {
        fail();
      }
    });
    fail();
  } catch (IllegalStateException expected) {
    assertThat(expected).hasMessage(
        "Can't store securely. Check canStoreSecurely() before attempting to read/write.");
  }

  verifyZeroInteractions(storage);
}
 

public MutableLiveData<BookBean> getBook() {
    final MutableLiveData<BookBean> data = new MutableLiveData<>();
    Disposable subscribe = HttpClient.Builder.getDouBanService().getBook(bookType.get(), mStart, mCount)
            .subscribeOn(Schedulers.io())
            .observeOn(AndroidSchedulers.mainThread())
            .subscribe(new Consumer<BookBean>() {
                @Override
                public void accept(BookBean bookBean) throws Exception {
                    data.setValue(bookBean);
                }
            }, new Consumer<Throwable>() {
                @Override
                public void accept(Throwable throwable) throws Exception {
                    data.setValue(null);
                }
            });
    addDisposable(subscribe);
    return data;
}
 

/**
 * listener调用方式，在主线程订阅并将返回结果通过 listener 通知调用方
 *
 * @param listener 接收回调结果
 */
public void launch(final OnCompressListener listener) {
    asObservable().observeOn(AndroidSchedulers.mainThread()).doOnSubscribe(
            new Consumer<Disposable>() {
                @Override
                public void accept(Disposable disposable) throws Exception {
                    listener.onStart();
                }
            })
            .subscribe(new Consumer<File>() {
                @Override
                public void accept(File file) throws Exception {
                    listener.onSuccess(file);
                }
            }, new Consumer<Throwable>() {
                @Override
                public void accept(Throwable throwable) throws Exception {
                    listener.onError(throwable);
                }
            });
}
 

/**
 * 合成并显示回复文本
 **/
private void synthesizeAndShowResp(final List<Track> tracks, String content, final int finalPlayIndex) {
    EventBus.getDefault().post(new ChatMsgEvent(new ResponseMsg(content), null, null, null));
    SynthesizerBase.get().startSpeakAbsolute(content)
            .doOnNext(new Consumer<SpeechMsg>() {
                @Override
                public void accept(SpeechMsg speechMsg) throws Exception {
                    if (speechMsg.state() == SpeechMsg.State.OnBegin)
                        EventBus.getDefault().post(new SynthesizeEvent(SynthesizeEvent.SYNTH_START));
                }
            })
            .doOnComplete(new Action() {
                @Override
                public void run() throws Exception {
                    EventBus.getDefault().post(new SynthesizeEvent(SynthesizeEvent.SYNTH_END));
                    if (tracks != null)
                        XmlyManager.get().getPlayer().playList(tracks, finalPlayIndex);
                }
            })
            .subscribeOn(Schedulers.io())
            .observeOn(Schedulers.computation())
            .subscribe();

}
 

/**
 * 保存图片到本地
 *
 * @param fileName 文件名
 */
private void saveImageToLocal(final String fileName) {
    Observable.create(new ObservableOnSubscribe<File>() {
        @Override
        public void subscribe(ObservableEmitter<File> e) throws Exception {
            e.onNext(Glide.with(ImageBrowseActivity.this)
                    .load(mImageUrl)
                    .downloadOnly(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
                    .get());
            e.onComplete();
        }
    }).compose(RxHelper.<File>rxSchedulerHelper()).subscribe(new Consumer<File>() {
        @Override
        public void accept(File file) throws Exception {
            saveImage(fileName, file);
        }
    });
}
 

@Override
public Completable writeDescriptor(@NonNull final UUID serviceUuid, @NonNull final UUID characteristicUuid,
                                          @NonNull final UUID descriptorUuid, @NonNull final byte[] data) {
    return discoverServices()
            .flatMap(new Function<RxBleDeviceServices, SingleSource<BluetoothGattDescriptor>>() {
                @Override
                public SingleSource<BluetoothGattDescriptor> apply(RxBleDeviceServices rxBleDeviceServices) {
                    return rxBleDeviceServices.getDescriptor(serviceUuid, characteristicUuid, descriptorUuid);
                }
            })
            .doOnSuccess(new Consumer<BluetoothGattDescriptor>() {
                @Override
                public void accept(BluetoothGattDescriptor bluetoothGattDescriptor) throws Exception {
                    bluetoothGattDescriptor.setValue(data);
                }
            })
            .toCompletable();
}
 

@Override
public void loadDailyDetail(String id) {
    if (mIModel == null)
        return;
    mRxManager.register(mIModel.getDailyDetail(id).subscribe(new Consumer<ZhihuDailyDetailBean>() {
        @Override
        public void accept(ZhihuDailyDetailBean zhihuDailyDetailBean) throws Exception {
            if (mIView != null)
                mIView.showDailyDetail(zhihuDailyDetailBean);
        }
    }, new Consumer<Throwable>() {
        @Override
        public void accept(Throwable throwable) throws Exception {
            if (mIView != null) {
                mIView.showToast("网络异常");
                mIView.showNetworkError();
            }
        }
    }));
}
 

@Test
public void resultThrowingInOnSuccessDeliveredToPlugin() {
    server.enqueue(new MockResponse());

    final AtomicReference<Throwable> throwableRef = new AtomicReference<>();
    RxJavaPlugins.setErrorHandler(new Consumer<Throwable>() {
        @Override
        public void accept(Throwable throwable) throws Exception {
            if (!throwableRef.compareAndSet(null, throwable)) {
                throw Exceptions.propagate(throwable);
            }
        }
    });

    RecordingMaybeObserver<Result<String>> observer = subscriberRule.create();
    final RuntimeException e = new RuntimeException();
    service.result().subscribe(new ForwardingObserver<Result<String>>(observer) {
        @Override
        public void onSuccess(Result<String> value) {
            throw e;
        }
    });

    assertThat(throwableRef.get()).isSameAs(e);
}
 

private void initObservable() {
    subject = PublishSubject.create();
    subject.observeOn(EventThread.getScheduler(thread))
            .subscribe(new Consumer() {
                @Override
                public void accept(Object event) {
                    try {
                        if (valid) {
                            handleEvent(event);
                        }
                    } catch (InvocationTargetException e) {
                        throwRuntimeException("Could not dispatch event: " + event.getClass() + " to subscriber " + SubscriberEvent.this, e);
                    }
                }
            });
}
 

private void concat() {
    //按照事件的发出顺序进行连接
    Observable.concat(Observable.just(1, 2, 3), Observable.just(4, 5, 6))
            .subscribe(new Consumer<Integer>() {
                @Override
                public void accept(Integer integer) throws Exception {
                    Log.d(TAG, "accept: " + integer);
                }
            });
}
 

public static void main(String[] args) {
	// TODO Auto-generated method stub

	Observable<Integer>observable=Observable.just(22, 70, 9);
	observable.contains(10).subscribe(new Consumer<Boolean>() {
		@Override
		public void accept(Boolean passed) throws Exception {
			System.out.println(passed);
		}
	});

}