2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.netconf.confignetconfconnector.mapping.config;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.Maps;
13 import com.google.common.collect.Sets;
14 import org.opendaylight.controller.config.api.ServiceReferenceReadableRegistry;
16 import javax.management.InstanceNotFoundException;
17 import javax.management.ObjectName;
18 import java.util.Collection;
19 import java.util.Collections;
22 import java.util.regex.Matcher;
23 import java.util.regex.Pattern;
25 public class ServiceRegistryWrapper {
27 private ServiceReferenceReadableRegistry configServiceRefRegistry;
29 private long suffix = 1;
31 public ServiceRegistryWrapper(ServiceReferenceReadableRegistry configServiceRefRegistry) {
32 this.configServiceRefRegistry = configServiceRefRegistry;
36 public boolean hasRefName(String namespace, String serviceName, ObjectName on) {
37 String qname = configServiceRefRegistry.getServiceInterfaceName(namespace, serviceName);
38 Map<String, ObjectName> forQName = configServiceRefRegistry.getServiceMapping().get(qname);
39 if(forQName==null) return false;
40 return forQName.values().contains(on);
43 public ObjectName getByServiceAndRefName(String namespace, String serviceName, String refName) {
44 Map<String, Map<String, String>> serviceNameToRefNameToInstance = getMappedServices().get(namespace);
46 Preconditions.checkArgument(serviceNameToRefNameToInstance != null, "No serviceInstances mapped to " + namespace);
48 Map<String, String> refNameToInstance = serviceNameToRefNameToInstance.get(serviceName);
49 Preconditions.checkArgument(refNameToInstance != null, "No serviceInstances mapped to " + serviceName + " , "
50 + serviceNameToRefNameToInstance.keySet());
52 String instanceId = refNameToInstance.get(refName);
53 Preconditions.checkArgument(instanceId != null, "No serviceInstances mapped to " + serviceName + ":"
54 + refName + ", " + serviceNameToRefNameToInstance.keySet());
56 Services.ServiceInstance serviceInstance = Services.ServiceInstance.fromString(instanceId);
57 Preconditions.checkArgument(serviceInstance != null, "No serviceInstance mapped to " + refName
58 + " under service name " + serviceName + " , " + refNameToInstance.keySet());
60 String qNameOfService = configServiceRefRegistry.getServiceInterfaceName(namespace, serviceName);
62 return configServiceRefRegistry.getServiceReference(qNameOfService, refName);
63 } catch (InstanceNotFoundException e) {
64 throw new IllegalArgumentException("No serviceInstance mapped to " + refName
65 + " under service name " + serviceName + " , " + refNameToInstance.keySet(), e);
70 public Map<String, Map<String, Map<String, String>>> getMappedServices() {
71 Map<String, Map<String, Map<String, String>>> retVal = Maps.newHashMap();
73 Map<String, Map<String, ObjectName>> serviceMapping = configServiceRefRegistry.getServiceMapping();
74 for (String serviceQName : serviceMapping.keySet())
75 for (String refName : serviceMapping.get(serviceQName).keySet()) {
77 ObjectName on = serviceMapping.get(serviceQName).get(refName);
78 Services.ServiceInstance si = Services.ServiceInstance.fromObjectName(on);
80 // FIXME use QName's new String constructor, after it is fixed
83 // qname = new QName(serviceQName);
84 // } catch (ParseException e) {
85 // throw new IllegalStateException("Unable to parse qname of a service " + serviceQName, e);
87 Pattern p = Pattern.compile("\\(([^\\(\\?]+)\\?[^\\?\\)]*\\)([^\\)]+)");
88 Matcher matcher = p.matcher(serviceQName);
89 Preconditions.checkArgument(matcher.matches());
90 String namespace = matcher.group(1);
91 String localName = matcher.group(2);
93 // String namespace = qname.getNamespace().toString();
94 Map<String, Map<String, String>> serviceToRefs = retVal.get(namespace);
95 if(serviceToRefs==null) {
96 serviceToRefs = Maps.newHashMap();
97 retVal.put(namespace, serviceToRefs);
100 // String localName = qname.getLocalName();
101 Map<String, String> refsToSis = serviceToRefs.get(localName);
102 if(refsToSis==null) {
103 refsToSis = Maps.newHashMap();
104 serviceToRefs.put(localName, refsToSis);
107 Preconditions.checkState(refsToSis.containsKey(refName) == false,
108 "Duplicate reference name %s for service %s:%s, now for instance %s", refName, namespace,
110 refsToSis.put(refName, si.toString());
117 public String getNewDefaultRefName(String namespace, String serviceName, String moduleName, String instanceName) {
119 refName = "ref_" + instanceName;
121 Map<String, Map<String, String>> serviceNameToRefNameToInstance = getMappedServices().get(namespace);
123 Map<String, String> refNameToInstance;
124 if(serviceNameToRefNameToInstance == null || serviceNameToRefNameToInstance.containsKey(serviceName) == false) {
125 refNameToInstance = Collections.emptyMap();
127 refNameToInstance = serviceNameToRefNameToInstance.get(serviceName);
129 final Set<String> refNamesAsSet = toSet(refNameToInstance.keySet());
130 if (refNamesAsSet.contains(refName)) {
131 refName = findAvailableRefName(refName, refNamesAsSet);
138 private Set<String> toSet(Collection<String> values) {
139 Set<String> refNamesAsSet = Sets.newHashSet();
141 for (String refName : values) {
142 boolean resultAdd = refNamesAsSet.add(refName);
143 Preconditions.checkState(resultAdd,
144 "Error occurred building services element, reference name {} was present twice", refName);
147 return refNamesAsSet;
150 private String findAvailableRefName(String refName, Set<String> refNamesAsSet) {
151 String intitialRefName = refName;
154 refName = intitialRefName + "_" + suffix++;
155 if (refNamesAsSet.contains(refName) == false)