本文整理了Java中com.annimon.stream.Optional.ifPresent()方法的一些代码示例，展示了Optional.ifPresent()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Optional.ifPresent()方法的具体详情如下：
包路径：com.annimon.stream.Optional
类名称：Optional
方法名：ifPresent

Optional.ifPresent介绍

[英]Invokes consumer function with value if present.
[中]调用具有值（如果存在）的使用者函数。

代码示例

代码示例来源：origin: aNNiMON/Lightweight-Stream-API

/**
 * Invokes consumer function with the value if present.
 * This method same as {@code ifPresent}, but does not breaks chaining
 *
 * @param consumer  consumer function
 * @return this {@code Optional}
 * @see #ifPresent(com.annimon.stream.function.Consumer)
 * @since 1.1.2
 */
public Optional<T> executeIfPresent(Consumer<? super T> consumer) {
  ifPresent(consumer);
  return this;
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

public void init() {
    if (!preferencesManager.getAutologinEnabled()) {
      preferencesManager.clear();
      dataManager.clearData();
    }
    getMvpView().ifPresent(splashView -> {
      preferencesManager.getToken().ifPresentOrElse(token -> splashView.goToProjectList(), splashView::goToLogin);
      splashView.close();
    });
  }
}

代码示例来源：origin: aNNiMON/Lightweight-Stream-API

@Test
public void testIfPresent() {
  Optional.of(10).ifPresent(new Consumer<Integer>() {
    @Override
    public void accept(Integer value) {
      assertEquals(10, (int) value);
    }
  });
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void goBack() {
  baseActivity.ifPresent(BaseActivity::goBack);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void close() {
  baseActivity.ifPresent(BaseActivity::close);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void dismissProgress() {
  baseActivity.ifPresent(BaseActivity::dismissProgress);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void showProgress() {
  baseActivity.ifPresent(BaseActivity::showProgress);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void dismissProgress() {
  progressDlg.ifPresent(Dialog::dismiss);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

public void processFirstItemClick() {
  renderClause1();
  callbackOpt.ifPresent(BottomMenuCallback::onClause1Press);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void showToastMessage(String text) {
  baseActivity.ifPresent(activity -> activity.showToastMessage(text));
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void showToastMessage(int textRes) {
  baseActivity.ifPresent(activity -> activity.showToastMessage(textRes));
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

public void logEvent(AnalyticsEvent event, Bundle bundle) {
  fabricManager.ifPresent(fabricManager -> fabricManager.logEvent(event));
  googleManager.ifPresent(googleManager -> googleManager.logEvent(event, bundle));
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void onClick(View v) {
  int vId = v.getId();
  if (vId == ID_CLAUSE_1) {
    processFirstItemClick();
  } else if (vId == ID_CLAUSE_2) {
    renderClause2();
    callbackOpt.ifPresent(BottomMenuCallback::onClause2Press);
  }
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
  public void onChanged() {
    super.onChanged();
    checkIfEmpty();
    onUpdateListener.ifPresent(OnUpdateListener::onUpdate);
  }
};

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

private void syncProjects() {
    Disposable disposable = dataManager.syncProjects()
        .observeOn(AndroidSchedulers.mainThread())
        .subscribe(list -> {
          analyticsManager.logEvent(AnalyticsEvent.SYNC_PROJECTS);
          getMvpView().ifPresent(ProjectListView::stopRefreshAnimation);
        }, getErrorConsumer());
    addToDisposables(disposable);
  }
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  baseActivity.ifPresent(activity ->
      fragmentComponent = Optional.of(activity.activityComponent().fragmentComponent(new FragmentModule(this))));
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

private void navigateToNext() {
  getMvpView().ifPresent(authView -> {
    authView.navigateToListScreen();
    authView.close();
  });
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

public void init() {
  Disposable disposable = dataManager.getProjects()
      .observeOn(AndroidSchedulers.mainThread())
      .subscribe(list -> getMvpView().ifPresent(projectListView -> projectListView.setupList(list)), getErrorConsumer());
  addToDisposables(disposable);
  syncProjects();
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

public void onLogoutSelected() {
  analyticsManager.logEvent(AnalyticsEvent.LOG_OUT);
  preferencesManager.setToken(null);
  dataManager.clearData();
  getMvpView().ifPresent(SettingsView::startAuthClearTop);
}

代码示例来源：origin: GrossumUA/TAS_Android_Boilerplate

public void init() {
    analyticsManager.logEvent(AnalyticsEvent.ENTER_SETTINGS);
    getMvpView().ifPresent(settingsView -> settingsView.fillView(preferencesManager.getAutologinEnabled()));
  }
}