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EditingContextSearchService.java
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EditingContextSearchService.java
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/*******************************************************************************
* Copyright (c) 2021, 2024 Obeo.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.web.services.editingcontext;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.concurrent.TimeUnit;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.ecore.util.BasicExtendedMetaData;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.sirius.components.core.api.IEditingContext;
import org.eclipse.sirius.components.core.api.IEditingContextProcessor;
import org.eclipse.sirius.components.core.api.IEditingContextSearchService;
import org.eclipse.sirius.components.core.configuration.IRepresentationDescriptionRegistryConfigurer;
import org.eclipse.sirius.components.emf.ResourceMetadataAdapter;
import org.eclipse.sirius.components.emf.services.EditingContextCrossReferenceAdapter;
import org.eclipse.sirius.components.emf.services.JSONResourceFactory;
import org.eclipse.sirius.components.representations.IRepresentationDescription;
import org.eclipse.sirius.components.view.util.services.ColorPaletteService;
import org.eclipse.sirius.emfjson.resource.JsonResource;
import org.eclipse.sirius.web.persistence.entities.DocumentEntity;
import org.eclipse.sirius.web.persistence.repositories.IDocumentRepository;
import org.eclipse.sirius.web.persistence.repositories.IProjectRepository;
import org.eclipse.sirius.web.services.api.id.IDParser;
import org.eclipse.sirius.web.services.editingcontext.api.IEditingDomainFactoryService;
import org.eclipse.sirius.web.services.representations.RepresentationDescriptionRegistry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.Timer;
/**
* Service used to find and retrieve editing contexts.
*
* @author sbegaudeau
*/
@Service
public class EditingContextSearchService implements IEditingContextSearchService {
private static final String TIMER_NAME = "siriusweb_editingcontext_load";
private final Logger logger = LoggerFactory.getLogger(EditingContextSearchService.class);
private final IProjectRepository projectRepository;
private final IDocumentRepository documentRepository;
private final IEditingDomainFactoryService editingDomainFactoryService;
private final List<IRepresentationDescriptionRegistryConfigurer> configurers;
private final List<IEditingContextProcessor> editingContextProcessors;
private final Timer timer;
public EditingContextSearchService(IProjectRepository projectRepository, IDocumentRepository documentRepository, IEditingDomainFactoryService editingDomainFactoryService,
List<IRepresentationDescriptionRegistryConfigurer> configurers, List<IEditingContextProcessor> editingContextProcessors, MeterRegistry meterRegistry) {
this.projectRepository = Objects.requireNonNull(projectRepository);
this.documentRepository = Objects.requireNonNull(documentRepository);
this.editingDomainFactoryService = Objects.requireNonNull(editingDomainFactoryService);
this.configurers = Objects.requireNonNull(configurers);
this.editingContextProcessors = Objects.requireNonNull(editingContextProcessors);
this.timer = Timer.builder(TIMER_NAME).register(meterRegistry);
}
@Override
public boolean existsById(String editingContextId) {
return new IDParser().parse(editingContextId).map(this.projectRepository::existsById).orElse(false);
}
@Override
public Optional<IEditingContext> findById(String editingContextId) {
long start = System.currentTimeMillis();
this.logger.debug("Loading the editing context {}", editingContextId);
AdapterFactoryEditingDomain editingDomain = this.editingDomainFactoryService.createEditingDomain(editingContextId);
ResourceSet resourceSet = editingDomain.getResourceSet();
resourceSet.getLoadOptions().put(JsonResource.OPTION_EXTENDED_META_DATA, new BasicExtendedMetaData(resourceSet.getPackageRegistry()));
resourceSet.getLoadOptions().put(JsonResource.OPTION_SCHEMA_LOCATION, true);
Map<String, IRepresentationDescription> representationDescriptions = new HashMap<>();
EditingContext editingContext = new EditingContext(editingContextId, editingDomain, representationDescriptions, new ArrayList<>());
this.editingContextProcessors.forEach(processor -> processor.preProcess(editingContext));
List<DocumentEntity> documentEntities = new IDParser().parse(editingContextId)
.map(this.documentRepository::findAllByProjectId)
.orElseGet(List::of)
.stream()
.filter(doc -> !ColorPaletteService.SIRIUS_STUDIO_COLOR_PALETTES_URI.equals(doc.getId().toString()))
.toList();
for (DocumentEntity documentEntity : documentEntities) {
Resource resource = new JSONResourceFactory().createResourceFromPath(documentEntity.getId().toString());
try (var inputStream = new ByteArrayInputStream(documentEntity.getContent().getBytes())) {
resourceSet.getResources().add(resource);
resource.load(inputStream, null);
resource.eAdapters().add(new ResourceMetadataAdapter(documentEntity.getName()));
} catch (IOException | IllegalArgumentException exception) {
this.logger.warn("An error occured while loading document {}: {}.", documentEntity.getId(), exception.getMessage());
resourceSet.getResources().remove(resource);
}
}
// The ECrossReferenceAdapter must be set after the resource loading because it needs to resolve proxies in case
// of inter-resources references
resourceSet.eAdapters().add(new EditingContextCrossReferenceAdapter());
this.logger.debug("{} documents loaded for the editing context {}", resourceSet.getResources().size(), editingContextId);
representationDescriptions = this.getRepresentationDescriptions();
this.editingContextProcessors.forEach(processor -> processor.postProcess(editingContext));
long end = System.currentTimeMillis();
this.timer.record(end - start, TimeUnit.MILLISECONDS);
return Optional.of(editingContext);
}
private Map<String, IRepresentationDescription> getRepresentationDescriptions() {
Map<String, IRepresentationDescription> representationDescriptions = new LinkedHashMap<>();
var registry = new RepresentationDescriptionRegistry();
this.configurers.forEach(configurer -> configurer.addRepresentationDescriptions(registry));
registry.getRepresentationDescriptions().forEach(representationDescription -> representationDescriptions.put(representationDescription.getId(), representationDescription));
return representationDescriptions;
}
}