opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/mapping/attributes/resolving/ObjectNameAttributeResolvingStrategy.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.controller.config.facade.xml.mapping.attributes.resolving;
  10
  11 import com.google.common.base.Optional;
  12 import javax.management.ObjectName;
  13 import javax.management.openmbean.SimpleType;
  14 import org.opendaylight.controller.config.facade.xml.mapping.attributes.mapping.ObjectNameAttributeMappingStrategy;
  15 import org.opendaylight.controller.config.facade.xml.mapping.config.ServiceRegistryWrapper;
  16 import org.opendaylight.controller.config.facade.xml.util.Util;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class ObjectNameAttributeResolvingStrategy extends AbstractAttributeResolvingStrategy<ObjectName, SimpleType<?>> {
  21
  22     private final ServiceRegistryWrapper serviceTracker;
  23     private static final Logger LOG = LoggerFactory.getLogger(ObjectNameAttributeResolvingStrategy.class);
  24
  25     ObjectNameAttributeResolvingStrategy(final ServiceRegistryWrapper serviceTracker) {
  26         super(SimpleType.OBJECTNAME);
  27         this.serviceTracker = serviceTracker;
  28     }
  29
  30     @Override
  31     public Optional<ObjectName> parseAttribute(final String attrName, final Object value) {
  32         if (value == null) {
  33             return Optional.absent();
  34         }
  35
  36         Util.checkType(value, ObjectNameAttributeMappingStrategy.MappedDependency.class);
  37
  38         ObjectNameAttributeMappingStrategy.MappedDependency mappedDep = (ObjectNameAttributeMappingStrategy.MappedDependency) value;
  39         String serviceName = mappedDep.getServiceName();
  40         String refName = mappedDep.getRefName();
  41         String namespace = mappedDep.getNamespace();
  42         LOG.trace("Getting service instance by service name {} : {} and ref name {}", namespace, serviceName, refName);
  43
  44         ObjectName on = serviceTracker.getByServiceAndRefName(namespace, serviceName, refName);
  45
  46         LOG.debug("Attribute {} : {} parsed to type {}", attrName, value, getOpenType());
  47         return Optional.of(on);
  48     }
  49
  50 }