| package org.eclipse.basyx.examples.snippets.aas.registry; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import org.eclipse.basyx.aas.manager.ConnectedAssetAdministrationShellManager; |
| import org.eclipse.basyx.aas.metamodel.map.AssetAdministrationShell; |
| import org.eclipse.basyx.aas.metamodel.map.descriptor.AASDescriptor; |
| import org.eclipse.basyx.aas.metamodel.map.descriptor.ModelUrn; |
| import org.eclipse.basyx.aas.metamodel.map.descriptor.SubmodelDescriptor; |
| import org.eclipse.basyx.aas.registration.api.IAASRegistryService; |
| import org.eclipse.basyx.aas.registration.proxy.AASRegistryProxy; |
| import org.eclipse.basyx.components.servlet.aas.AASServlet; |
| import org.eclipse.basyx.examples.contexts.BaSyxExamplesContext_1MemoryAASServer_1SQLDirectory; |
| import org.eclipse.basyx.examples.deployment.BaSyxDeployment; |
| import org.eclipse.basyx.submodel.metamodel.api.ISubModel; |
| import org.eclipse.basyx.submodel.metamodel.api.identifier.IIdentifier; |
| import org.eclipse.basyx.submodel.metamodel.api.submodelelement.property.ISingleProperty; |
| import org.eclipse.basyx.submodel.metamodel.map.SubModel; |
| import org.eclipse.basyx.submodel.metamodel.map.identifier.Identifier; |
| import org.eclipse.basyx.submodel.metamodel.map.identifier.IdentifierType; |
| import org.eclipse.basyx.submodel.metamodel.map.submodelelement.property.Property; |
| import org.eclipse.basyx.vab.modelprovider.VABPathTools; |
| import org.eclipse.basyx.vab.protocol.http.connector.HTTPConnectorProvider; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| |
| /** |
| * Code snippet that registers an AAS descriptor with the AAS registry and connects to a sub model of |
| * the registered AAS endpoint |
| * |
| * The snippet communicates with a VAB element that is deployed to a VABLambdaServlet on a |
| * Apache Tomcat HTTP server instance. The VABLambdaServlet provides an empty container that |
| * is able to host any VAB object. |
| * |
| * @author kuhn |
| * |
| */ |
| public class ConnectToSubModelEndpoints { |
| /** |
| * Create VAB connection manager backend |
| * |
| * The connection manager uses a preconfigured directory for resolving IDs to |
| * network addresses, and a HTTP connector to connect to VAB objects. |
| */ |
| protected ConnectedAssetAdministrationShellManager connManager = new ConnectedAssetAdministrationShellManager( |
| new AASRegistryProxy("http://localhost:8080/basys.examples/Components/Directory/SQL"), |
| new HTTPConnectorProvider()); |
| |
| |
| /** |
| * The BaSyx Deployment instantiates and starts context elements for this example. |
| * |
| * This example instantiates the BaSyxExamplesContext_1MemoryAASServer_1SQLDirectory |
| * example context that creates one AAS server, and one SQL based AAS registry. |
| * |
| * BaSyxDeployment contexts instantiate all components on the IP address of the host. |
| * Therefore, all components use the same IP address. |
| */ |
| @ClassRule |
| public static BaSyxDeployment context = new BaSyxDeployment( |
| // Simulated servlets |
| // - BaSys topology with one AAS Server and one SQL directory |
| new BaSyxExamplesContext_1MemoryAASServer_1SQLDirectory(). |
| // Deploy example specific servlets to Tomcat server in this context |
| addServletMapping("/Components/BaSys/1.0/aasServer/*", |
| new AASServlet(new AssetAdministrationShell())) |
| ); |
| |
| |
| |
| |
| /** |
| * Run code snippet. This code snippet illustrates the creation of an AASDescriptor, the dynamic creation and deployment of an AAS sub model, |
| * the lookup of the AAS sub model, and the access of the AAS sub model. |
| */ |
| @Test |
| public void snippet() throws Exception { |
| |
| // Create AAS descriptor and sub model descriptors |
| ModelUrn aasURN = new ModelUrn("urn:de.FHG:devices.es.iese:aas:1.0:3:x-509#001"); |
| String aasSrvURL = "http://localhost:8080/basys.examples/Components/BaSys/1.0/aasServer/aas"; |
| // - Sub model ID |
| String smIdShort = "exampleSM"; |
| IIdentifier smId = new Identifier(IdentifierType.Custom, "exampleSMId"); |
| // - Create AAS descriptor and sub model descriptor |
| AASDescriptor aasDescriptor = new AASDescriptor(aasURN, aasSrvURL); |
| String smEndpoint = VABPathTools.concatenatePaths(aasSrvURL, "submodels", smIdShort); |
| SubmodelDescriptor submodelDescriptor = new SubmodelDescriptor(smIdShort, smId, smEndpoint); |
| // - Add sub model descriptor to AAS descriptor |
| aasDescriptor.addSubmodelDescriptor(submodelDescriptor); |
| |
| |
| // Register AAS and sub model descriptors in directory (push AAS descriptor to server) |
| // - Connect to AAS registry |
| IAASRegistryService regProxy = new AASRegistryProxy( |
| "http://localhost:8080/basys.examples/Components/Directory/SQL"); |
| // - Register AAS descriptor with AAS and sub model endpoints in registry |
| regProxy.register(aasDescriptor); |
| |
| // Create sub model |
| SubModel submodel = new SubModel(); |
| submodel.setIdShort(smIdShort); |
| submodel.setIdentification(smId.getIdType(), smId.getId()); |
| |
| // - Add example properties to sub model |
| Property prop1 = new Property(7); |
| prop1.setIdShort("prop1"); |
| submodel.addSubModelElement(prop1); |
| |
| Property prop2 = new Property("myStr"); |
| prop2.setIdShort("prop2"); |
| submodel.addSubModelElement(prop2); |
| // - Transfer sub model to server |
| // - This creates the "exampleSM" element on the server, which is the server |
| // end point that will host the AAS sub model. |
| connManager.createSubModel(aasURN, submodel); |
| |
| |
| // Connect to sub model using BaSyx SDK |
| ISubModel connSM = connManager.retrieveSubModel(aasURN, smId); |
| |
| |
| // Read property values from sub model |
| String smID = connSM.getIdShort(); |
| String prop1Id = connSM.getDataElements().get("prop1").getIdShort(); |
| int prop1Val = (int) ((ISingleProperty) connSM.getDataElements().get("prop1")).get(); |
| String prop2Id = connSM.getDataElements().get("prop2").getIdShort(); |
| String prop2Val = (String) ((ISingleProperty) connSM.getDataElements().get("prop2")).get(); |
| |
| |
| // Check property values |
| assertTrue(smID.equals(smIdShort)); |
| assertTrue(prop1Id.equals("prop1")); |
| assertTrue(prop1Val == 7); |
| assertTrue(prop2Id.equals("prop2")); |
| assertTrue(prop2Val.equals("myStr")); |
| } |
| } |
| |