opendaylight/configuration/implementation/src/main/java/org/opendaylight/controller/configuration/internal/ConfigurationImpl.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 package org.opendaylight.controller.configuration.internal;
  11
  12 import java.util.Collections;
  13 import java.util.HashSet;
  14 import java.util.Set;
  15
  16 import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
  17 import org.opendaylight.controller.configuration.IConfigurationAware;
  18 import org.opendaylight.controller.configuration.IConfigurationService;
  19 import org.opendaylight.controller.sal.utils.StatusCode;
  20 import org.opendaylight.controller.sal.utils.Status;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 /**
  25  * @file   ConfigurationImpl.java
  26  *
  27  * @brief  Backend functionality for all Configuration related tasks.
  28  *
  29  *
  30  */
  31
  32 public class ConfigurationImpl implements IConfigurationService {
  33     private static final Logger logger = LoggerFactory
  34             .getLogger(ConfigurationImpl.class);
  35     private IClusterGlobalServices clusterServices;
  36     /*
  37      * Collection containing the configuration objects.
  38      * This is configuration world: container names (also the map key)
  39      * are maintained as they were configured by user, same case
  40      */
  41     private Set<IConfigurationAware> configurationAwareList = (Set<IConfigurationAware>) Collections
  42             .synchronizedSet(new HashSet<IConfigurationAware>());
  43
  44
  45     public int getConfigurationAwareListSize() {
  46         return this.configurationAwareList.size();
  47     }
  48
  49     public void addConfigurationAware(IConfigurationAware configurationAware) {
  50         if (!this.configurationAwareList.contains(configurationAware)) {
  51             this.configurationAwareList.add(configurationAware);
  52         }
  53     }
  54
  55     public void removeConfigurationAware(IConfigurationAware configurationAware) {
  56         this.configurationAwareList.remove(configurationAware);
  57     }
  58
  59     public void setClusterServices(IClusterGlobalServices i) {
  60         this.clusterServices = i;
  61         logger.debug("IClusterServices set");
  62     }
  63
  64     public void unsetClusterServices(IClusterGlobalServices i) {
  65         if (this.clusterServices == i) {
  66             this.clusterServices = null;
  67             logger.debug("IClusterServices Unset");
  68         }
  69     }
  70
  71     public void init() {
  72         logger.info("ContainerManager startup....");
  73     }
  74
  75     public void destroy() {
  76         // Clear local states
  77         this.configurationAwareList.clear();
  78     }
  79
  80     @Override
  81     public Status saveConfigurations() {
  82         boolean success = true;
  83         for (IConfigurationAware configurationAware : configurationAwareList) {
  84                 Status status = configurationAware.saveConfiguration();
  85             if (!status.isSuccess()) {
  86                 success = false;
  87                 logger.info("Failed to save config for {}",
  88                                 configurationAware.getClass().getName());
  89             }
  90         }
  91         if (success) {
  92             return new Status(StatusCode.SUCCESS, null);
  93         } else {
  94             return new Status(StatusCode.INTERNALERROR,
  95                         "Failed to Save All Configurations");
  96         }
  97     }
  98
  99 }