Examples with ServiceDiscovery org.apache.camel.cloud.ServiceDiscovery used on opensource projects

Example 1 with ServiceDiscovery

use of org.apache.camel.cloud.ServiceDiscovery in project camel by apache.

the class ServiceCallDefinition method createProcessor.

// *****************************
// Processor Factory
// *****************************
@Override
public Processor createProcessor(RouteContext routeContext) throws Exception {
    final CamelContext camelContext = routeContext.getCamelContext();
    final ServiceDiscovery serviceDiscovery = retrieveServiceDiscovery(camelContext);
    final ServiceFilter serviceFilter = retrieveServiceFilter(camelContext);
    final ServiceChooser serviceChooser = retrieveServiceChooser(camelContext);
    final LoadBalancer loadBalancer = retrieveLoadBalancer(camelContext);
    final Expression expression = retrieveExpression(camelContext);
    if (loadBalancer instanceof CamelContextAware) {
        ((CamelContextAware) loadBalancer).setCamelContext(camelContext);
    }
    if (loadBalancer instanceof ServiceDiscoveryAware) {
        ((ServiceDiscoveryAware) loadBalancer).setServiceDiscovery(serviceDiscovery);
    }
    if (loadBalancer instanceof ServiceFilterAware) {
        ((ServiceFilterAware) loadBalancer).setServiceFilter(serviceFilter);
    }
    if (loadBalancer instanceof ServiceChooserAware) {
        ((ServiceChooserAware) loadBalancer).setServiceChooser(serviceChooser);
    }
    // The component is used to configure the default scheme to use (eg camel component name).
    // The component configured on EIP takes precedence vs configured on configuration.
    String component = this.component;
    if (component == null) {
        ServiceCallConfigurationDefinition conf = retrieveConfig(camelContext);
        if (conf != null) {
            component = conf.getComponent();
        }
    }
    if (component == null) {
        ServiceCallConfigurationDefinition conf = retrieveDefaultConfig(camelContext);
        if (conf != null) {
            component = conf.getComponent();
        }
    }
    return new DefaultServiceCallProcessor(camelContext, name, component, uri, pattern, loadBalancer, expression);
}

Example 2 with ServiceDiscovery

use of org.apache.camel.cloud.ServiceDiscovery in project camel by apache.

the class ConsulServiceDiscoveryTest method testServiceDiscovery.

// *************************************************************************
// Test
// *************************************************************************
@Test
public void testServiceDiscovery() throws Exception {
    ConsulConfiguration configuration = new ConsulConfiguration(null);
    ServiceDiscovery discovery = new ConsulServiceDiscovery(configuration);
    List<ServiceDefinition> services = discovery.getServices("my-service");
    assertNotNull(services);
    assertEquals(3, services.size());
    for (ServiceDefinition service : services) {
        assertFalse(service.getMetadata().isEmpty());
        assertTrue(service.getMetadata().containsKey("service_name"));
        assertTrue(service.getMetadata().containsKey("service_id"));
        assertTrue(service.getMetadata().containsKey("a-tag"));
        assertTrue(service.getMetadata().containsKey("key1"));
        assertTrue(service.getMetadata().containsKey("key2"));
    }
}

Example 3 with ServiceDiscovery

use of org.apache.camel.cloud.ServiceDiscovery in project camel by apache.

the class ServiceCallDefinition method retrieveServiceDiscovery.

// ******************************************
// ServiceDiscovery
// ******************************************
private ServiceDiscovery retrieveServiceDiscovery(CamelContext camelContext, Function<CamelContext, ServiceCallConfigurationDefinition> function) throws Exception {
    ServiceDiscovery answer = null;
    ServiceCallConfigurationDefinition config = function.apply(camelContext);
    if (config != null) {
        if (config.getServiceDiscoveryConfiguration() != null) {
            answer = config.getServiceDiscoveryConfiguration().newInstance(camelContext);
        } else {
            answer = retrieve(ServiceDiscovery.class, camelContext, config::getServiceDiscovery, config::getServiceDiscoveryRef);
        }
    }
    return answer;
}

Example 4 with ServiceDiscovery

use of org.apache.camel.cloud.ServiceDiscovery in project camel by apache.

the class ServiceCallServiceDiscoveryConfiguration method newInstance.

// *************************************************************************
// Factory
// *************************************************************************
@Override
public ServiceDiscovery newInstance(CamelContext camelContext) throws Exception {
    ObjectHelper.notNull(factoryKey, "ServiceDiscovery factoryKey");
    ServiceDiscovery answer;
    // First try to find the factory from the registry.
    ServiceDiscoveryFactory factory = CamelContextHelper.lookup(camelContext, factoryKey, ServiceDiscoveryFactory.class);
    if (factory != null) {
        // If a factory is found in the registry do not re-configure it as
        // it should be pre-configured.
        answer = factory.newInstance(camelContext);
    } else {
        Class<?> type;
        try {
            // Then use Service factory.
            type = camelContext.getFactoryFinder(RESOURCE_PATH).findClass(factoryKey);
        } catch (Exception e) {
            throw new NoFactoryAvailableException(RESOURCE_PATH + factoryKey, e);
        }
        if (type != null) {
            if (ServiceDiscoveryFactory.class.isAssignableFrom(type)) {
                factory = (ServiceDiscoveryFactory) camelContext.getInjector().newInstance(type);
            } else {
                throw new IllegalArgumentException("Resolving ServiceDiscovery: " + factoryKey + " detected type conflict: Not a ServiceDiscoveryFactory implementation. Found: " + type.getName());
            }
        }
        try {
            Map<String, Object> parameters = new HashMap<>();
            IntrospectionSupport.getProperties(this, parameters, null, false);
            parameters.put("properties", getPropertiesAsMap(camelContext));
            postProcessFactoryParameters(camelContext, parameters);
            IntrospectionSupport.setProperties(factory, parameters);
            answer = factory.newInstance(camelContext);
        } catch (Exception e) {
            throw new IllegalArgumentException(e);
        }
    }
    return answer;
}