Java Code Examples for org.springframework.beans.factory.config.BeanDefinition#SCOPE_SINGLETON

The following examples show how to use org.springframework.beans.factory.config.BeanDefinition#SCOPE_SINGLETON . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: sourcerer   File: SourcererEventConfiguration.java    License: MIT License 5 votes vote down vote up 
@Bean
@Lazy
@Scope(BeanDefinition.SCOPE_SINGLETON)
EventSubscriptionFactory<T> getEventSubscriptionFactory(
        final EventRepository<T> eventRepository) {
    return new DefaultEventSubscriptionFactory<>(eventRepository);
}
Example 2
Source Project: sourcerer   File: SourcererCommandConfiguration.java    License: MIT License 5 votes vote down vote up 
@Bean
@Lazy
@Scope(BeanDefinition.SCOPE_SINGLETON)
public AggregateRepository<TState, TEvent> getAggregateRepository(
        final EventRepository<TEvent> eventRepository) {
    return new DefaultAggregateRepository<>(eventRepository, projection, this::resolveType);
}
Example 3
Source Project: sourcerer   File: SourcererCommandConfiguration.java    License: MIT License 5 votes vote down vote up 
@Bean
@Lazy
@Scope(BeanDefinition.SCOPE_SINGLETON)
public CommandFactory<TState, TEvent> getCommandFactory(
        final AggregateRepository<TState, TEvent> aggregateRepository) {
    List<CommandPostProcessor> commandPostProcessors = new ArrayList<>();
    if (metadataDecorators != null) {
        for (MetadataDecorator metadataDecorator : metadataDecorators) {
            commandPostProcessors.add(
                    new MetadataDecoratorCommandPostProcessor(metadataDecorator));
        }
    }

    return new DefaultCommandFactory<>(aggregateRepository, commandPostProcessors);
}
Example 4
Source Project: sourcerer   File: EventStoreConfiguration.java    License: MIT License 5 votes vote down vote up 
@Bean
@Scope(BeanDefinition.SCOPE_SINGLETON)
public EventStore getEventStoreConnection(
        @Value("${sourcerer.eventstore.hostname:127.0.0.1}") final String hostname,
        @Value("${sourcerer.eventstore.port:1113}") final int port,
        @Value("${sourcerer.eventstore.gossipPort:2113}") final int gossipPort,
        @Value("${sourcerer.eventstore.requireMaster:false}") final boolean requireMaster,
        @Value("${sourcerer.eventstore.useClusterDiscovery:false}")
        final boolean useClusterDiscovery) {
    EventStoreBuilder builder = EventStoreBuilder
            .newBuilder()
            .userCredentials("admin", "changeit")
            .requireMaster(requireMaster)
            .failOnNoServerResponse(true);

    if (useClusterDiscovery) {
        builder
                .clusterNodeUsingDns(dnsConfig -> dnsConfig
                        .dns(hostname)
                        .externalGossipPort(gossipPort)
                        .maxDiscoverAttempts(10)
                        .discoverAttemptInterval(Duration.ofMillis(500)));
    } else {
        builder.singleNodeAddress(hostname, port);
    }

    return builder.build();
}
Example 5
Source Project: sourcerer   File: EventStoreConfiguration.java    License: MIT License 5 votes vote down vote up 
@Bean
@Scope(BeanDefinition.SCOPE_SINGLETON)
public EventRepositoryFactory getEventRepositoryFactory(
        final EventStore eventStore,
        final ObjectMapper objectMapper,
        @Value("${sourcerer.eventstore.namespace}") final String namespace) {
    return new EventStoreEsjcEventRepositoryFactory(eventStore, objectMapper, namespace.trim());
}
Example 6
Source Project: sourcerer   File: EventStoreConfiguration.java    License: MIT License 5 votes vote down vote up 
@Bean
@Scope(BeanDefinition.SCOPE_SINGLETON)
public EventRepositoryFactory getEventRepositoryFactory(
        final EsConnection connection,
        final ObjectMapper objectMapper,
        @Value("${sourcerer.eventstore.namespace}") final String namespace) {
    return new EventStoreEventRepositoryFactory(connection, objectMapper, namespace.trim());
}
Example 7
Source Project: spring-analysis-note   File: LiveBeansView.java    License: MIT License 4 votes vote down vote up 
/**
 * Actually generate a JSON snapshot of the beans in the given ApplicationContexts.
 * <p>This implementation doesn't use any JSON parsing libraries in order to avoid
 * third-party library dependencies. It produces an array of context description
 * objects, each containing a context and parent attribute as well as a beans
 * attribute with nested bean description objects. Each bean object contains a
 * bean, scope, type and resource attribute, as well as a dependencies attribute
 * with a nested array of bean names that the present bean depends on.
 * @param contexts the set of ApplicationContexts
 * @return the JSON document
 */
protected String generateJson(Set<ConfigurableApplicationContext> contexts) {
	StringBuilder result = new StringBuilder("[\n");
	for (Iterator<ConfigurableApplicationContext> it = contexts.iterator(); it.hasNext();) {
		ConfigurableApplicationContext context = it.next();
		result.append("{\n\"context\": \"").append(context.getId()).append("\",\n");
		if (context.getParent() != null) {
			result.append("\"parent\": \"").append(context.getParent().getId()).append("\",\n");
		}
		else {
			result.append("\"parent\": null,\n");
		}
		result.append("\"beans\": [\n");
		ConfigurableListableBeanFactory bf = context.getBeanFactory();
		String[] beanNames = bf.getBeanDefinitionNames();
		boolean elementAppended = false;
		for (String beanName : beanNames) {
			BeanDefinition bd = bf.getBeanDefinition(beanName);
			if (isBeanEligible(beanName, bd, bf)) {
				if (elementAppended) {
					result.append(",\n");
				}
				result.append("{\n\"bean\": \"").append(beanName).append("\",\n");
				result.append("\"aliases\": ");
				appendArray(result, bf.getAliases(beanName));
				result.append(",\n");
				String scope = bd.getScope();
				if (!StringUtils.hasText(scope)) {
					scope = BeanDefinition.SCOPE_SINGLETON;
				}
				result.append("\"scope\": \"").append(scope).append("\",\n");
				Class<?> beanType = bf.getType(beanName);
				if (beanType != null) {
					result.append("\"type\": \"").append(beanType.getName()).append("\",\n");
				}
				else {
					result.append("\"type\": null,\n");
				}
				result.append("\"resource\": \"").append(getEscapedResourceDescription(bd)).append("\",\n");
				result.append("\"dependencies\": ");
				appendArray(result, bf.getDependenciesForBean(beanName));
				result.append("\n}");
				elementAppended = true;
			}
		}
		result.append("]\n");
		result.append("}");
		if (it.hasNext()) {
			result.append(",\n");
		}
	}
	result.append("]");
	return result.toString();
}
Example 8
Source Project: java-technology-stack   File: LiveBeansView.java    License: MIT License 4 votes vote down vote up 
/**
 * Actually generate a JSON snapshot of the beans in the given ApplicationContexts.
 * <p>This implementation doesn't use any JSON parsing libraries in order to avoid
 * third-party library dependencies. It produces an array of context description
 * objects, each containing a context and parent attribute as well as a beans
 * attribute with nested bean description objects. Each bean object contains a
 * bean, scope, type and resource attribute, as well as a dependencies attribute
 * with a nested array of bean names that the present bean depends on.
 * @param contexts the set of ApplicationContexts
 * @return the JSON document
 */
protected String generateJson(Set<ConfigurableApplicationContext> contexts) {
	StringBuilder result = new StringBuilder("[\n");
	for (Iterator<ConfigurableApplicationContext> it = contexts.iterator(); it.hasNext();) {
		ConfigurableApplicationContext context = it.next();
		result.append("{\n\"context\": \"").append(context.getId()).append("\",\n");
		if (context.getParent() != null) {
			result.append("\"parent\": \"").append(context.getParent().getId()).append("\",\n");
		}
		else {
			result.append("\"parent\": null,\n");
		}
		result.append("\"beans\": [\n");
		ConfigurableListableBeanFactory bf = context.getBeanFactory();
		String[] beanNames = bf.getBeanDefinitionNames();
		boolean elementAppended = false;
		for (String beanName : beanNames) {
			BeanDefinition bd = bf.getBeanDefinition(beanName);
			if (isBeanEligible(beanName, bd, bf)) {
				if (elementAppended) {
					result.append(",\n");
				}
				result.append("{\n\"bean\": \"").append(beanName).append("\",\n");
				result.append("\"aliases\": ");
				appendArray(result, bf.getAliases(beanName));
				result.append(",\n");
				String scope = bd.getScope();
				if (!StringUtils.hasText(scope)) {
					scope = BeanDefinition.SCOPE_SINGLETON;
				}
				result.append("\"scope\": \"").append(scope).append("\",\n");
				Class<?> beanType = bf.getType(beanName);
				if (beanType != null) {
					result.append("\"type\": \"").append(beanType.getName()).append("\",\n");
				}
				else {
					result.append("\"type\": null,\n");
				}
				result.append("\"resource\": \"").append(getEscapedResourceDescription(bd)).append("\",\n");
				result.append("\"dependencies\": ");
				appendArray(result, bf.getDependenciesForBean(beanName));
				result.append("\n}");
				elementAppended = true;
			}
		}
		result.append("]\n");
		result.append("}");
		if (it.hasNext()) {
			result.append(",\n");
		}
	}
	result.append("]");
	return result.toString();
}
Example 9
Source Project: lams   File: LiveBeansView.java    License: GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Actually generate a JSON snapshot of the beans in the given ApplicationContexts.
 * <p>This implementation doesn't use any JSON parsing libraries in order to avoid
 * third-party library dependencies. It produces an array of context description
 * objects, each containing a context and parent attribute as well as a beans
 * attribute with nested bean description objects. Each bean object contains a
 * bean, scope, type and resource attribute, as well as a dependencies attribute
 * with a nested array of bean names that the present bean depends on.
 * @param contexts the set of ApplicationContexts
 * @return the JSON document
 */
protected String generateJson(Set<ConfigurableApplicationContext> contexts) {
	StringBuilder result = new StringBuilder("[\n");
	for (Iterator<ConfigurableApplicationContext> it = contexts.iterator(); it.hasNext();) {
		ConfigurableApplicationContext context = it.next();
		result.append("{\n\"context\": \"").append(context.getId()).append("\",\n");
		if (context.getParent() != null) {
			result.append("\"parent\": \"").append(context.getParent().getId()).append("\",\n");
		}
		else {
			result.append("\"parent\": null,\n");
		}
		result.append("\"beans\": [\n");
		ConfigurableListableBeanFactory bf = context.getBeanFactory();
		String[] beanNames = bf.getBeanDefinitionNames();
		boolean elementAppended = false;
		for (String beanName : beanNames) {
			BeanDefinition bd = bf.getBeanDefinition(beanName);
			if (isBeanEligible(beanName, bd, bf)) {
				if (elementAppended) {
					result.append(",\n");
				}
				result.append("{\n\"bean\": \"").append(beanName).append("\",\n");
				result.append("\"aliases\": ");
				appendArray(result, bf.getAliases(beanName));
				result.append(",\n");
				String scope = bd.getScope();
				if (!StringUtils.hasText(scope)) {
					scope = BeanDefinition.SCOPE_SINGLETON;
				}
				result.append("\"scope\": \"").append(scope).append("\",\n");
				Class<?> beanType = bf.getType(beanName);
				if (beanType != null) {
					result.append("\"type\": \"").append(beanType.getName()).append("\",\n");
				}
				else {
					result.append("\"type\": null,\n");
				}
				result.append("\"resource\": \"").append(getEscapedResourceDescription(bd)).append("\",\n");
				result.append("\"dependencies\": ");
				appendArray(result, bf.getDependenciesForBean(beanName));
				result.append("\n}");
				elementAppended = true;
			}
		}
		result.append("]\n");
		result.append("}");
		if (it.hasNext()) {
			result.append(",\n");
		}
	}
	result.append("]");
	return result.toString();
}
Example 10
Source Project: spring4-understanding   File: LiveBeansView.java    License: Apache License 2.0 4 votes vote down vote up 
/**
 * Actually generate a JSON snapshot of the beans in the given ApplicationContexts.
 * <p>This implementation doesn't use any JSON parsing libraries in order to avoid
 * third-party library dependencies. It produces an array of context description
 * objects, each containing a context and parent attribute as well as a beans
 * attribute with nested bean description objects. Each bean object contains a
 * bean, scope, type and resource attribute, as well as a dependencies attribute
 * with a nested array of bean names that the present bean depends on.
 * @param contexts the set of ApplicationContexts
 * @return the JSON document
 */
protected String generateJson(Set<ConfigurableApplicationContext> contexts) {
	StringBuilder result = new StringBuilder("[\n");
	for (Iterator<ConfigurableApplicationContext> it = contexts.iterator(); it.hasNext();) {
		ConfigurableApplicationContext context = it.next();
		result.append("{\n\"context\": \"").append(context.getId()).append("\",\n");
		if (context.getParent() != null) {
			result.append("\"parent\": \"").append(context.getParent().getId()).append("\",\n");
		}
		else {
			result.append("\"parent\": null,\n");
		}
		result.append("\"beans\": [\n");
		ConfigurableListableBeanFactory bf = context.getBeanFactory();
		String[] beanNames = bf.getBeanDefinitionNames();
		boolean elementAppended = false;
		for (String beanName : beanNames) {
			BeanDefinition bd = bf.getBeanDefinition(beanName);
			if (isBeanEligible(beanName, bd, bf)) {
				if (elementAppended) {
					result.append(",\n");
				}
				result.append("{\n\"bean\": \"").append(beanName).append("\",\n");
				String scope = bd.getScope();
				if (!StringUtils.hasText(scope)) {
					scope = BeanDefinition.SCOPE_SINGLETON;
				}
				result.append("\"scope\": \"").append(scope).append("\",\n");
				Class<?> beanType = bf.getType(beanName);
				if (beanType != null) {
					result.append("\"type\": \"").append(beanType.getName()).append("\",\n");
				}
				else {
					result.append("\"type\": null,\n");
				}
				result.append("\"resource\": \"").append(getEscapedResourceDescription(bd)).append("\",\n");
				result.append("\"dependencies\": [");
				String[] dependencies = bf.getDependenciesForBean(beanName);
				if (dependencies.length > 0) {
					result.append("\"");
				}
				result.append(StringUtils.arrayToDelimitedString(dependencies, "\", \""));
				if (dependencies.length > 0) {
					result.append("\"");
				}
				result.append("]\n}");
				elementAppended = true;
			}
		}
		result.append("]\n");
		result.append("}");
		if (it.hasNext()) {
			result.append(",\n");
		}
	}
	result.append("]");
	return result.toString();
}
Example 11
Source Project: sourcerer   File: SourcererEventConfiguration.java    License: MIT License 4 votes vote down vote up 
@Bean
@Lazy
@Scope(BeanDefinition.SCOPE_SINGLETON)
public EventRepository<T> getEventRepository() {
    return repositoryFactory.getEventRepository(eventType);
}
Example 12
Source Project: sourcerer   File: EventStoreConfiguration.java    License: MIT License 4 votes vote down vote up 
@Bean(name = "eventStoreStatus")
@Scope(BeanDefinition.SCOPE_SINGLETON)
public HealthIndicator getEventStoreHealthIndicator(final EventStore eventStore) {
    return new EventStoreHealthIndicator(eventStore);
}
Example 13
Source Project: sourcerer   File: EventStoreConfiguration.java    License: MIT License 4 votes vote down vote up 
@Bean
@Scope(BeanDefinition.SCOPE_SINGLETON)
public EsConnection getEventStoreConnection(
        @Value("${sourcerer.eventstore.hostname:127.0.0.1}") final String hostname,
        @Value("${sourcerer.eventstore.port:1113}") final int port,
        @Value("${sourcerer.eventstore.gossipPort:2113}") final int gossipPort,
        @Value("${sourcerer.eventstore.requireMaster:false}") final boolean requireMaster,
        @Value("${sourcerer.eventstore.useClusterDiscovery:false}")
        final boolean useClusterDiscovery) {
    ActorSystem system = ActorSystem.create();
    Settings defaultSettings = Settings.Default();
    Option<ClusterSettings> clusterSettings;

    if (useClusterDiscovery) {
        GossipSeedsOrDns clusterDns = GossipSeedsOrDns$.MODULE$.apply(hostname, gossipPort);
        clusterSettings = Option.apply(new ClusterSettings(
                clusterDns,
                FiniteDuration.apply(2, TimeUnit.SECONDS),
                10,
                FiniteDuration.apply(500, TimeUnit.MILLISECONDS),
                FiniteDuration.apply(1000, TimeUnit.MILLISECONDS),
                FiniteDuration.apply(1000, TimeUnit.MILLISECONDS)));
    } else {
        clusterSettings = Option.empty();
    }

    Settings settings = new Settings(
            new InetSocketAddress(hostname, port),
            defaultSettings.connectionTimeout(),
            -1,
            defaultSettings.reconnectionDelayMin(),
            defaultSettings.reconnectionDelayMax(),
            defaultSettings.defaultCredentials(),
            defaultSettings.heartbeatInterval(),
            defaultSettings.heartbeatTimeout(),
            defaultSettings.operationMaxRetries(),
            defaultSettings.operationTimeout(),
            defaultSettings.resolveLinkTos(),
            requireMaster,
            defaultSettings.readBatchSize(),
            defaultSettings.backpressure(),
            clusterSettings);
    return EsConnectionFactory.create(system, settings);
}
Example 14
Source Project: sourcerer   File: EventStoreConfiguration.java    License: MIT License 4 votes vote down vote up 
@Bean(name = "eventStoreStatus")
@Scope(BeanDefinition.SCOPE_SINGLETON)
public HealthIndicator getEventStoreHealthIndicator(final EsConnection connection) {
    return new EventStoreHealthIndicator(connection);
}
Example 15
Source Project: java_in_examples   File: SpringBeanScopeTest.java    License: Apache License 2.0 4 votes vote down vote up 
@Bean
@Scope(BeanDefinition.SCOPE_SINGLETON)
public SingletonClass2 getSingletonClass2(){
    return new SingletonClass2();
}
Example 16
Source Project: java_in_examples   File: SpringBeanScopeTest.java    License: Apache License 2.0 4 votes vote down vote up 
@Bean
@Scope(BeanDefinition.SCOPE_SINGLETON)
public SingletonClass2 getSingletonClass2(){
    return new SingletonClass2();
}