opendaylight/netconf/config-netconf-connector/src/main/java/org/opendaylight/controller/netconf/confignetconfconnector/mapping/config/ServiceRegistryWrapper.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.netconf.confignetconfconnector.mapping.config;
   9
  10 import com.google.common.base.Preconditions;
  11 import com.google.common.collect.Maps;
  12 import java.util.Map;
  13 import javax.management.InstanceNotFoundException;
  14 import javax.management.ObjectName;
  15 import org.opendaylight.controller.config.api.ServiceReferenceReadableRegistry;
  16 import org.opendaylight.yangtools.yang.common.QName;
  17
  18 public class ServiceRegistryWrapper {
  19
  20     private ServiceReferenceReadableRegistry configServiceRefRegistry;
  21
  22     public ServiceRegistryWrapper(ServiceReferenceReadableRegistry configServiceRefRegistry) {
  23         this.configServiceRefRegistry = configServiceRefRegistry;
  24     }
  25
  26
  27     public ObjectName getByServiceAndRefName(String namespace, String serviceName, String refName) {
  28         Map<String, Map<String, String>> serviceNameToRefNameToInstance = getMappedServices().get(namespace);
  29
  30         Preconditions.checkNotNull(serviceNameToRefNameToInstance, "No serviceInstances mapped to " + namespace);
  31
  32         Map<String, String> refNameToInstance = serviceNameToRefNameToInstance.get(serviceName);
  33         Preconditions.checkNotNull(refNameToInstance, "No serviceInstances mapped to " + serviceName + " , "
  34                 + serviceNameToRefNameToInstance.keySet());
  35
  36         String instanceId = refNameToInstance.get(refName);
  37         Preconditions.checkArgument(instanceId != null, "No serviceInstances mapped to " + serviceName + ":"
  38                 + refName + ", " + serviceNameToRefNameToInstance.keySet());
  39
  40         Services.ServiceInstance serviceInstance = Services.ServiceInstance.fromString(instanceId);
  41         Preconditions.checkArgument(serviceInstance != null, "No serviceInstance mapped to " + refName
  42                 + " under service name " + serviceName + " , " + refNameToInstance.keySet());
  43
  44         String qNameOfService = configServiceRefRegistry.getServiceInterfaceName(namespace, serviceName);
  45         try {
  46             return configServiceRefRegistry.getServiceReference(qNameOfService, refName);
  47         } catch (InstanceNotFoundException e) {
  48             throw new IllegalArgumentException("No serviceInstance mapped to " + refName
  49                     + " under service name " + serviceName + " , " + refNameToInstance.keySet(), e);
  50
  51         }
  52     }
  53
  54     public Map<String, Map<String, Map<String, String>>> getMappedServices() {
  55         Map<String, Map<String, Map<String, String>>> retVal = Maps.newHashMap();
  56
  57         Map<String, Map<String, ObjectName>> serviceMapping = configServiceRefRegistry.getServiceMapping();
  58         for (String serviceQName : serviceMapping.keySet()){
  59             for (String refName : serviceMapping.get(serviceQName).keySet()) {
  60
  61                 ObjectName on = serviceMapping.get(serviceQName).get(refName);
  62                 Services.ServiceInstance si = Services.ServiceInstance.fromObjectName(on);
  63
  64                 QName qname = QName.create(serviceQName);
  65                 String namespace = qname.getNamespace().toString();
  66                 Map<String, Map<String, String>> serviceToRefs = retVal.get(namespace);
  67                 if(serviceToRefs==null) {
  68                     serviceToRefs = Maps.newHashMap();
  69                     retVal.put(namespace, serviceToRefs);
  70                 }
  71
  72                 String localName = qname.getLocalName();
  73                 Map<String, String> refsToSis = serviceToRefs.get(localName);
  74                 if(refsToSis==null) {
  75                     refsToSis = Maps.newHashMap();
  76                     serviceToRefs.put(localName, refsToSis);
  77                 }
  78
  79                 Preconditions.checkState(!refsToSis.containsKey(refName),
  80                         "Duplicate reference name %s for service %s:%s, now for instance %s", refName, namespace,
  81                         localName, on);
  82                 refsToSis.put(refName, si.toString());
  83             }
  84         }
  85
  86         return retVal;
  87     }
  88 }