opendaylight/networkconfiguration/neutron/implementation/src/main/java/org/opendaylight/controller/networkconfig/neutron/implementation/NeutronSecurityGroupInterface.java

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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
  10 package org.opendaylight.controller.networkconfig.neutron.implementation;
  11
  12 import java.lang.reflect.Method;
  13 import java.util.ArrayList;
  14 import java.util.HashSet;
  15 import java.util.Map.Entry;
  16 import java.util.List;
  17 import java.util.Set;
  18 import java.util.concurrent.ConcurrentHashMap;
  19 import java.util.concurrent.ConcurrentMap;
  20
  21 import org.opendaylight.controller.networkconfig.neutron.INeutronSecurityGroupCRUD;
  22 import org.opendaylight.controller.networkconfig.neutron.NeutronSecurityGroup;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26
  27 public class NeutronSecurityGroupInterface implements INeutronSecurityGroupCRUD {
  28     private static final Logger logger = LoggerFactory.getLogger(NeutronSecurityGroupInterface.class);
  29     private ConcurrentMap<String, NeutronSecurityGroup> securityGroupDB  = new ConcurrentHashMap<String, NeutronSecurityGroup>();
  30
  31
  32
  33     // this method uses reflection to update an object from it's delta.
  34
  35     private boolean overwrite(Object target, Object delta) {
  36         Method[] methods = target.getClass().getMethods();
  37
  38         for(Method toMethod: methods){
  39             if(toMethod.getDeclaringClass().equals(target.getClass())
  40                 && toMethod.getName().startsWith("set")){
  41
  42                 String toName = toMethod.getName();
  43                 String fromName = toName.replace("set", "get");
  44
  45                 try {
  46                     Method fromMethod = delta.getClass().getMethod(fromName);
  47                     Object value = fromMethod.invoke(delta, (Object[])null);
  48                     if(value != null){
  49                         toMethod.invoke(target, value);
  50                     }
  51                 } catch (Exception e) {
  52                     e.printStackTrace();
  53                     return false;
  54                 }
  55             }
  56         }
  57         return true;
  58     }
  59
  60     @Override
  61     public boolean neutronSecurityGroupExists(String uuid) {
  62         return securityGroupDB.containsKey(uuid);
  63     }
  64
  65     @Override
  66     public NeutronSecurityGroup getNeutronSecurityGroup(String uuid) {
  67         if (!neutronSecurityGroupExists(uuid)) {
  68             logger.debug("No Security Groups Have Been Defined");
  69             return null;
  70         }
  71         return securityGroupDB.get(uuid);
  72     }
  73
  74     @Override
  75     public List<NeutronSecurityGroup> getAllNeutronSecurityGroups() {
  76         Set<NeutronSecurityGroup> allSecurityGroups = new HashSet<NeutronSecurityGroup>();
  77         for (Entry<String, NeutronSecurityGroup> entry : securityGroupDB.entrySet()) {
  78             NeutronSecurityGroup securityGroup = entry.getValue();
  79             allSecurityGroups.add(securityGroup);
  80         }
  81         logger.debug("Exiting getSecurityGroups, Found {} OpenStackSecurityGroup", allSecurityGroups.size());
  82         List<NeutronSecurityGroup> ans = new ArrayList<NeutronSecurityGroup>();
  83         ans.addAll(allSecurityGroups);
  84         return ans;
  85     }
  86
  87     @Override
  88     public boolean addNeutronSecurityGroup(NeutronSecurityGroup input) {
  89         if (neutronSecurityGroupExists(input.getSecurityGroupUUID())) {
  90             return false;
  91         }
  92         securityGroupDB.putIfAbsent(input.getSecurityGroupUUID(), input);
  93         return true;
  94     }
  95
  96     @Override
  97     public boolean removeNeutronSecurityGroup(String uuid) {
  98         if (!neutronSecurityGroupExists(uuid)) {
  99             return false;
 100         }
 101         securityGroupDB.remove(uuid);
 102         return true;
 103     }
 104
 105     @Override
 106     public boolean updateNeutronSecurityGroup(String uuid, NeutronSecurityGroup delta) {
 107         if (!neutronSecurityGroupExists(uuid)) {
 108             return false;
 109         }
 110         NeutronSecurityGroup target = securityGroupDB.get(uuid);
 111         return overwrite(target, delta);
 112     }
 113
 114     @Override
 115     public boolean neutronSecurityGroupInUse(String securityGroupUUID) {
 116         return !neutronSecurityGroupExists(securityGroupUUID);
 117     }
 118
 119 }