JavaFXWorker.java
- /*
- * #%L
- * *********************************************************************************************************************
- *
- * SteelBlue
- * http://steelblue.tidalwave.it - git clone git@bitbucket.org:tidalwave/steelblue-src.git
- * %%
- * Copyright (C) 2015 - 2021 Tidalwave s.a.s. (http://tidalwave.it)
- * %%
- *
- * *********************************************************************************************************************
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- *
- * *********************************************************************************************************************
- *
- *
- *
- * *********************************************************************************************************************
- * #L%
- */
- package it.tidalwave.role.ui.javafx.impl.common;
- import javax.annotation.Nonnegative;
- import javax.annotation.Nonnull;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.Optional;
- import java.util.concurrent.Executor;
- import java.util.concurrent.RejectedExecutionException;
- import java.util.function.Consumer;
- import java.util.function.Supplier;
- import javafx.collections.ObservableList;
- import javafx.application.Platform;
- import it.tidalwave.util.annotation.VisibleForTesting;
- import it.tidalwave.role.SimpleComposite;
- import it.tidalwave.role.ui.PresentationModel;
- import it.tidalwave.role.ui.javafx.impl.util.Logging;
- import lombok.experimental.UtilityClass;
- import lombok.extern.slf4j.Slf4j;
- import static java.util.Collections.emptyList;
- import static javafx.collections.FXCollections.*;
- import static it.tidalwave.role.SimpleComposite._SimpleComposite_;
- import static it.tidalwave.role.ui.javafx.impl.util.Logging.INDENT;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @UtilityClass @Slf4j
- public class JavaFXWorker
- {
- public static <T> void run (@Nonnull final Executor executor,
- @Nonnull Supplier<T> backgroundSupplier,
- @Nonnull Consumer<T> javaFxFinalizer)
- {
- try
- {
- executor.execute(() ->
- {
- final T value = backgroundSupplier.get();
- Platform.runLater(() -> javaFxFinalizer.accept(value));
- });
- }
- catch (RejectedExecutionException e)
- {
- log.error("Background task failed: {}", e.getMessage());
- }
- }
- @Nonnull
- public static ObservableList<PresentationModel> childrenPm (@Nonnull final PresentationModel pm)
- {
- return childrenPm(pm, 0);
- }
- @Nonnull
- public static ObservableList<PresentationModel> childrenPm (@Nonnull final PresentationModel pm,
- @Nonnegative int depth)
- {
- final String indent = INDENT.substring(0, depth * 8);
- final Optional<SimpleComposite> composite = pm.maybeAs(_SimpleComposite_);
- composite.ifPresent(c -> Logging.logObject(indent, composite));
- final List<PresentationModel> items = composite.map(c -> c.findChildren().results()).orElse(emptyList());
- final List<Object> badItems = extractBadItems(items);
- if (!badItems.isEmpty()) // defensive
- {
- log.error("Child object are not PresentationModel: (only 10 are shown)");
- log.error("This happens when the PresentationModel doesn't have its own Composite role that decorates the" +
- " owner entity Composite - see SimpleCompositePresentable for instance.");
- badItems.stream().limit(10).forEach(item -> log.error(" {}", item));
- return emptyObservableList();
- }
- Logging.logObjects(indent, items);
- return observableArrayList(items);
- }
- @Nonnull
- @VisibleForTesting static List<Object> extractBadItems (@Nonnull final List<PresentationModel> items)
- {
- final List<Object> badItems = new ArrayList<>(items);
- badItems.removeIf(item -> item instanceof PresentationModel);
- return badItems;
- // return items.stream()
- // .map(item -> (Object)item)
- // .filter(item -> !(item instanceof PresentationModel))
- // .peek(item -> log.error(">>>> {}", item))
- // .collect(toList());
- }
- }