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.controller.config.api.jmx.ObjectNameUtil;
  17 import org.opendaylight.yangtools.yang.common.QName;
  18
  19 public class ServiceRegistryWrapper {
  20
  21     private final ServiceReferenceReadableRegistry configServiceRefRegistry;
  22
  23     public ServiceRegistryWrapper(ServiceReferenceReadableRegistry configServiceRefRegistry) {
  24         this.configServiceRefRegistry = configServiceRefRegistry;
  25     }
  26
  27
  28     public ObjectName getByServiceAndRefName(String namespace, String serviceName, String refName) {
  29         Map<String, Map<String, String>> serviceNameToRefNameToInstance = getMappedServices().get(namespace);
  30
  31         Preconditions.checkNotNull(serviceNameToRefNameToInstance, "No serviceInstances mapped to " + namespace);
  32
  33         Map<String, String> refNameToInstance = serviceNameToRefNameToInstance.get(serviceName);
  34         Preconditions.checkNotNull(refNameToInstance, "No serviceInstances mapped to " + serviceName + " , "
  35                 + serviceNameToRefNameToInstance.keySet());
  36
  37         String instanceId = refNameToInstance.get(refName);
  38         Preconditions.checkArgument(instanceId != null, "No serviceInstances mapped to " + serviceName + ":"
  39                 + refName + ", " + serviceNameToRefNameToInstance.keySet());
  40
  41         Services.ServiceInstance serviceInstance = Services.ServiceInstance.fromString(instanceId);
  42         Preconditions.checkArgument(serviceInstance != null, "No serviceInstance mapped to " + refName
  43                 + " under service name " + serviceName + " , " + refNameToInstance.keySet());
  44
  45         String qNameOfService = configServiceRefRegistry.getServiceInterfaceName(namespace, serviceName);
  46         try {
  47             /*
  48              Remove transaction name as this is redundant - will be stripped in DynamicWritableWrapper,
  49              and makes it hard to compare with service references got from MXBean attributes
  50             */
  51             return ObjectNameUtil.withoutTransactionName(
  52                     configServiceRefRegistry.getServiceReference(qNameOfService, refName));
  53         } catch (InstanceNotFoundException e) {
  54             throw new IllegalArgumentException("No serviceInstance mapped to " + refName
  55                     + " under service name " + serviceName + " , " + refNameToInstance.keySet(), e);
  56
  57         }
  58     }
  59
  60     public Map<String, Map<String, Map<String, String>>> getMappedServices() {
  61         Map<String, Map<String, Map<String, String>>> retVal = Maps.newHashMap();
  62
  63         Map<String, Map<String, ObjectName>> serviceMapping = configServiceRefRegistry.getServiceMapping();
  64         for (String serviceQName : serviceMapping.keySet()){
  65             for (String refName : serviceMapping.get(serviceQName).keySet()) {
  66
  67                 ObjectName on = serviceMapping.get(serviceQName).get(refName);
  68                 Services.ServiceInstance si = Services.ServiceInstance.fromObjectName(on);
  69
  70                 QName qname = QName.create(serviceQName);
  71                 String namespace = qname.getNamespace().toString();
  72                 Map<String, Map<String, String>> serviceToRefs = retVal.get(namespace);
  73                 if(serviceToRefs==null) {
  74                     serviceToRefs = Maps.newHashMap();
  75                     retVal.put(namespace, serviceToRefs);
  76                 }
  77
  78                 String localName = qname.getLocalName();
  79                 Map<String, String> refsToSis = serviceToRefs.get(localName);
  80                 if(refsToSis==null) {
  81                     refsToSis = Maps.newHashMap();
  82                     serviceToRefs.put(localName, refsToSis);
  83                 }
  84
  85                 Preconditions.checkState(!refsToSis.containsKey(refName),
  86                         "Duplicate reference name %s for service %s:%s, now for instance %s", refName, namespace,
  87                         localName, on);
  88                 refsToSis.put(refName, si.toString());
  89             }
  90         }
  91
  92         return retVal;
  93     }
  94 }