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SiriusWebStarterConfiguration.java
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SiriusWebStarterConfiguration.java
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/*******************************************************************************
* Copyright (c) 2019, 2022 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.components.starter;
import java.util.concurrent.Executors;
import org.eclipse.sirius.components.collaborative.api.IEditingContextEventProcessorRegistry;
import org.eclipse.sirius.components.collaborative.api.IRepresentationConfiguration;
import org.eclipse.sirius.components.collaborative.api.IRepresentationEventProcessor;
import org.eclipse.sirius.components.collaborative.api.ISubscriptionManagerFactory;
import org.eclipse.sirius.components.collaborative.editingcontext.api.IEditingContextEventProcessorExecutorServiceProvider;
import org.eclipse.sirius.components.collaborative.forms.WidgetSubscriptionManager;
import org.eclipse.sirius.components.collaborative.forms.api.IWidgetSubscriptionManagerFactory;
import org.eclipse.sirius.components.collaborative.representations.SubscriptionManager;
import org.eclipse.sirius.components.core.api.IInput;
import org.eclipse.sirius.components.core.api.IPayload;
import org.eclipse.sirius.components.graphql.api.IEventProcessorSubscriptionProvider;
import org.eclipse.sirius.components.graphql.api.IExceptionWrapper;
import org.eclipse.sirius.components.graphql.ws.api.IGraphQLWebSocketHandlerListener;
import org.eclipse.sirius.components.starter.services.ExceptionWrapper;
import org.eclipse.sirius.components.web.concurrent.DelegatingRequestContextExecutorService;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.socket.CloseStatus;
import org.springframework.web.socket.TextMessage;
import org.springframework.web.socket.WebSocketSession;
import reactor.core.publisher.Flux;
/**
* Projects which depend on this starter project will automatically get all the components required to create a Sirius
* Web application.
*
* @author pcdavid
*/
@Configuration
@ConditionalOnWebApplication
// @formatter:off
@ComponentScan(basePackages = {
"org.eclipse.sirius.components.diagrams.layout",
"org.eclipse.sirius.components.graphql",
"org.eclipse.sirius.components.collaborative",
"org.eclipse.sirius.components.collaborative.diagrams",
"org.eclipse.sirius.components.collaborative.forms",
"org.eclipse.sirius.components.collaborative.selection",
"org.eclipse.sirius.components.collaborative.trees",
"org.eclipse.sirius.components.collaborative.validation",
}
)
// @formatter:on
public class SiriusWebStarterConfiguration {
@Bean
@ConditionalOnMissingBean(ISubscriptionManagerFactory.class)
public ISubscriptionManagerFactory subscriptionManagerFactory() {
return SubscriptionManager::new;
}
@Bean
@ConditionalOnMissingBean(IWidgetSubscriptionManagerFactory.class)
public IWidgetSubscriptionManagerFactory widgetSubscriptionManagerFactory() {
return WidgetSubscriptionManager::new;
}
@Bean
@ConditionalOnMissingBean(IEditingContextEventProcessorExecutorServiceProvider.class)
public IEditingContextEventProcessorExecutorServiceProvider editingContextEventProcessorExecutorServiceProvider() {
return editingContext -> {
var executorService = Executors.newSingleThreadExecutor((Runnable runnable) -> {
Thread thread = Executors.defaultThreadFactory().newThread(runnable);
thread.setName("Editing context " + editingContext.getId()); //$NON-NLS-1$
return thread;
});
return new DelegatingRequestContextExecutorService(executorService);
};
}
@Bean
@ConditionalOnMissingBean(IGraphQLWebSocketHandlerListener.class)
public IGraphQLWebSocketHandlerListener graphQLWebSocketHandlerListener() {
return new IGraphQLWebSocketHandlerListener() {
@Override
public void handleTextMessage(WebSocketSession session, TextMessage message) {
// Do nothing
}
@Override
public void afterConnectionEstablished(WebSocketSession session) {
// Do nothing
}
@Override
public void afterConnectionClosed(WebSocketSession session, CloseStatus status) {
// Do nothing
}
};
}
@Bean
@ConditionalOnMissingBean
public IEventProcessorSubscriptionProvider eventProcessorSubscriptionProvider(IEditingContextEventProcessorRegistry editingContextEventProcessorRegistry) {
return new IEventProcessorSubscriptionProvider() {
@Override
public <T extends IRepresentationEventProcessor> Flux<IPayload> getSubscription(String editingContextId, Class<T> representationEventProcessorClass,
IRepresentationConfiguration representationConfiguration, IInput input) {
// @formatter:off
return editingContextEventProcessorRegistry.getOrCreateEditingContextEventProcessor(editingContextId)
.flatMap(processor -> processor.acquireRepresentationEventProcessor(representationEventProcessorClass, representationConfiguration, input))
.map(representationEventProcessor -> representationEventProcessor.getOutputEvents(input))
.orElse(Flux.empty());
// @formatter:on
}
};
}
@Bean
@ConditionalOnMissingBean
public IExceptionWrapper exceptionWrapper() {
return new ExceptionWrapper();
}
}