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FlowProjectTemplatesInitializer.java
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FlowProjectTemplatesInitializer.java
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/*******************************************************************************
* Copyright (c) 2023 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.sample.configuration;
import fr.obeo.dsl.designer.sample.flow.CompositeProcessor;
import fr.obeo.dsl.designer.sample.flow.DataFlow;
import fr.obeo.dsl.designer.sample.flow.DataSource;
import fr.obeo.dsl.designer.sample.flow.FlowElementUsage;
import fr.obeo.dsl.designer.sample.flow.FlowFactory;
import fr.obeo.dsl.designer.sample.flow.Processor;
import fr.obeo.dsl.designer.sample.flow.System;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.UUID;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
import org.eclipse.sirius.components.collaborative.api.IRepresentationPersistenceService;
import org.eclipse.sirius.components.collaborative.diagrams.api.IDiagramCreationService;
import org.eclipse.sirius.components.core.RepresentationMetadata;
import org.eclipse.sirius.components.core.api.IEditingContext;
import org.eclipse.sirius.components.core.api.IRepresentationDescriptionSearchService;
import org.eclipse.sirius.components.diagrams.Diagram;
import org.eclipse.sirius.components.diagrams.description.DiagramDescription;
import org.eclipse.sirius.components.emf.services.EditingContext;
import org.eclipse.sirius.components.emf.services.JSONResourceFactory;
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.api.projects.IProjectTemplateInitializer;
import org.eclipse.sirius.web.services.documents.DocumentMetadataAdapter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Configuration;
import io.micrometer.core.instrument.MeterRegistry;
/**
* Provides Flow-specific project templates initializers.
*
* @author pcdavid
*/
@Configuration
public class FlowProjectTemplatesInitializer implements IProjectTemplateInitializer {
private static final String DOCUMENT_TITLE = "FlowNewModel";
private final Logger logger = LoggerFactory.getLogger(FlowProjectTemplatesInitializer.class);
private final IProjectRepository projectRepository;
private final IDocumentRepository documentRepository;
private final IRepresentationDescriptionSearchService representationDescriptionSearchService;
private final IDiagramCreationService diagramCreationService;
private final IRepresentationPersistenceService representationPersistenceService;
private final StereotypeBuilder stereotypeBuilder;
public FlowProjectTemplatesInitializer(IProjectRepository projectRepository, IDocumentRepository documentRepository, IRepresentationDescriptionSearchService representationDescriptionSearchService,
IDiagramCreationService diagramCreationService, IRepresentationPersistenceService representationPersistenceService, MeterRegistry meterRegistry) {
this.projectRepository = Objects.requireNonNull(projectRepository);
this.documentRepository = Objects.requireNonNull(documentRepository);
this.representationDescriptionSearchService = Objects.requireNonNull(representationDescriptionSearchService);
this.diagramCreationService = Objects.requireNonNull(diagramCreationService);
this.representationPersistenceService = Objects.requireNonNull(representationPersistenceService);
this.stereotypeBuilder = new StereotypeBuilder("flow-template-initializer", meterRegistry);
}
@Override
public boolean canHandle(String templateId) {
return FlowProjectTemplatesProvider.FLOW_TEMPLATE_ID.equals(templateId);
}
@Override
public Optional<RepresentationMetadata> handle(String templateId, IEditingContext editingContext) {
if (FlowProjectTemplatesProvider.FLOW_TEMPLATE_ID.equals(templateId)) {
return this.initializeFlowProject(editingContext);
}
return Optional.empty();
}
private Optional<RepresentationMetadata> initializeFlowProject(IEditingContext editingContext) {
Optional<RepresentationMetadata> result = Optional.empty();
// @formatter:off
Optional<AdapterFactoryEditingDomain> optionalEditingDomain = Optional.of(editingContext)
.filter(EditingContext.class::isInstance)
.map(EditingContext.class::cast)
.map(EditingContext::getDomain);
// @formatter:on
Optional<UUID> editingContextUUID = new IDParser().parse(editingContext.getId());
if (optionalEditingDomain.isPresent() && editingContextUUID.isPresent()) {
AdapterFactoryEditingDomain adapterFactoryEditingDomain = optionalEditingDomain.get();
ResourceSet resourceSet = adapterFactoryEditingDomain.getResourceSet();
var optionalDocumentEntity = this.projectRepository.findById(editingContextUUID.get()).map(projectEntity -> {
DocumentEntity documentEntity = new DocumentEntity();
documentEntity.setProject(projectEntity);
documentEntity.setName(DOCUMENT_TITLE);
documentEntity.setContent(this.getRobotFlowContent());
documentEntity = this.documentRepository.save(documentEntity);
return documentEntity;
});
if (optionalDocumentEntity.isPresent()) {
DocumentEntity documentEntity = optionalDocumentEntity.get();
JsonResource resource = new JSONResourceFactory().createResourceFromPath(documentEntity.getId().toString());
try (var inputStream = new ByteArrayInputStream(documentEntity.getContent().getBytes())) {
resource.load(inputStream, null);
var optionalTopographyDiagram = this.findDiagramDescription(editingContext, "Topography");
if (optionalTopographyDiagram.isPresent()) {
DiagramDescription topographyDiagram = optionalTopographyDiagram.get();
Object semanticTarget = resource.getContents().get(0);
Diagram diagram = this.diagramCreationService.create(topographyDiagram.getLabel(), semanticTarget, topographyDiagram, editingContext);
this.representationPersistenceService.save(editingContext, diagram);
result = Optional.of(new RepresentationMetadata(diagram.getId(), diagram.getKind(), diagram.getLabel(), diagram.getDescriptionId()));
}
} catch (IOException exception) {
this.logger.warn(exception.getMessage(), exception);
}
resource.eAdapters().add(new DocumentMetadataAdapter(DOCUMENT_TITLE));
resourceSet.getResources().add(resource);
}
}
return result;
}
private String getRobotFlowContent() {
System system = FlowFactory.eINSTANCE.createSystem();
system.setName("NewSystem");
CompositeProcessor compositeProcessor = FlowFactory.eINSTANCE.createCompositeProcessor();
compositeProcessor.setName("CompositeProcessor1");
compositeProcessor.setCapacity(10);
compositeProcessor.setLoad(0);
system.getElements().add(compositeProcessor);
Processor processor = FlowFactory.eINSTANCE.createProcessor();
processor.setName("Processor1");
processor.setCapacity(10);
processor.setLoad(0);
processor.setVolume(2);
processor.setWeight(10);
compositeProcessor.getElements().add(processor);
DataSource dataSource = FlowFactory.eINSTANCE.createDataSource();
dataSource.setName("DataSource1");
dataSource.setVolume(6);
system.getElements().add(dataSource);
DataFlow dataFlow = FlowFactory.eINSTANCE.createDataFlow();
dataFlow.setUsage(FlowElementUsage.STANDARD);
dataFlow.setCapacity(6);
dataFlow.setLoad(6);
dataFlow.setTarget(processor);
dataSource.getOutgoingFlows().add(dataFlow);
return this.stereotypeBuilder.getStereotypeBody(List.of(system));
}
private Optional<DiagramDescription> findDiagramDescription(IEditingContext editingContext, String label) {
// @formatter:off
return this.representationDescriptionSearchService.findAll(editingContext).values().stream()
.filter(DiagramDescription.class::isInstance)
.map(DiagramDescription.class::cast)
.filter(diagramDescrpition -> Objects.equals(label, diagramDescrpition.getLabel()))
.findFirst();
// @formatter:on
}
}