Make neutron a simple osgi app
[controller.git] / opendaylight / networkconfiguration / neutron / implementation / src / main / java / org / opendaylight / controller / networkconfig / neutron / implementation / NeutronSubnetInterface.java
index 049fd3283da007c4bf3a7a1e49191fb5fb04de7f..81fa107fd8005d038a506b6f7938216e7722e158 100644 (file)
@@ -8,13 +8,8 @@
 
 package org.opendaylight.controller.networkconfig.neutron.implementation;
 
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.ObjectInputStream;
 import java.lang.reflect.Method;
 import java.util.ArrayList;
-import java.util.Dictionary;
-import java.util.EnumSet;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map.Entry;
@@ -22,149 +17,19 @@ import java.util.Set;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
 
-import org.apache.felix.dm.Component;
-import org.opendaylight.controller.clustering.services.CacheConfigException;
-import org.opendaylight.controller.clustering.services.CacheExistException;
-import org.opendaylight.controller.clustering.services.IClusterContainerServices;
-import org.opendaylight.controller.clustering.services.IClusterServices;
-import org.opendaylight.controller.configuration.IConfigurationContainerAware;
 import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;
 import org.opendaylight.controller.networkconfig.neutron.INeutronSubnetCRUD;
 import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces;
 import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
 import org.opendaylight.controller.networkconfig.neutron.NeutronSubnet;
-import org.opendaylight.controller.sal.utils.GlobalConstants;
-import org.opendaylight.controller.sal.utils.IObjectReader;
-import org.opendaylight.controller.sal.utils.ObjectReader;
-import org.opendaylight.controller.sal.utils.ObjectWriter;
-import org.opendaylight.controller.sal.utils.Status;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class NeutronSubnetInterface implements INeutronSubnetCRUD, IConfigurationContainerAware,
-                                               IObjectReader {
+public class NeutronSubnetInterface implements INeutronSubnetCRUD {
     private static final Logger logger = LoggerFactory.getLogger(NeutronSubnetInterface.class);
-    private static String ROOT = GlobalConstants.STARTUPHOME.toString();
-    private static final String FILENAME ="neutron.subnet";
-    private static String fileName;
+    private ConcurrentMap<String, NeutronSubnet> subnetDB  = new ConcurrentHashMap<String, NeutronSubnet>();
 
-    private String containerName = null;
 
-    private IClusterContainerServices clusterContainerService = null;
-    private ConcurrentMap<String, NeutronSubnet> subnetDB;
-
-    // methods needed for creating caches
-
-    void setClusterContainerService(IClusterContainerServices s) {
-        logger.debug("Cluster Service set");
-        this.clusterContainerService = s;
-    }
-
-    void unsetClusterContainerService(IClusterContainerServices s) {
-        if (this.clusterContainerService == s) {
-            logger.debug("Cluster Service removed!");
-            this.clusterContainerService = null;
-        }
-    }
-
-    @SuppressWarnings("deprecation")
-    private void allocateCache() {
-        if (this.clusterContainerService == null) {
-            logger.error("un-initialized clusterContainerService, can't create cache");
-            return;
-        }
-        logger.debug("Creating Cache for Neutron Subnets");
-        try {
-            // neutron caches
-            this.clusterContainerService.createCache("neutronSubnets",
-                    EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL));
-        } catch (CacheConfigException cce) {
-            logger.error("Cache couldn't be created for Neutron Subnets -  check cache mode");
-        } catch (CacheExistException cce) {
-            logger.error("Cache for Neutron Subnets already exists, destroy and recreate");
-        }
-        logger.debug("Cache successfully created for Neutron Subnets");
-    }
-
-    @SuppressWarnings({ "unchecked", "deprecation" })
-    private void retrieveCache() {
-        if (this.clusterContainerService == null) {
-            logger.error("un-initialized clusterContainerService, can't retrieve cache");
-            return;
-        }
-
-        logger.debug("Retrieving cache for Neutron Subnets");
-        subnetDB = (ConcurrentMap<String, NeutronSubnet>) this.clusterContainerService
-        .getCache("neutronSubnets");
-        if (subnetDB == null) {
-            logger.error("Cache couldn't be retrieved for Neutron Subnets");
-        }
-        logger.debug("Cache was successfully retrieved for Neutron Subnets");
-    }
-
-    @SuppressWarnings("deprecation")
-    private void destroyCache() {
-        if (this.clusterContainerService == null) {
-            logger.error("un-initialized clusterMger, can't destroy cache");
-            return;
-        }
-        logger.debug("Destroying Cache for HostTracker");
-        this.clusterContainerService.destroyCache("neutronSubnets");
-    }
-
-    private void startUp() {
-        allocateCache();
-        retrieveCache();
-        if ((clusterContainerService != null) && (clusterContainerService.amICoordinator())) {
-            loadConfiguration();
-        }
-
-    }
-
-    /**
-     * Function called by the dependency manager when all the required
-     * dependencies are satisfied
-     *
-     */
-    void init(Component c) {
-        Dictionary<?, ?> props = c.getServiceProperties();
-        if (props != null) {
-            this.containerName = (String) props.get("containerName");
-            logger.debug("Running containerName: {}", this.containerName);
-        } else {
-            // In the Global instance case the containerName is empty
-            this.containerName = "";
-        }
-        fileName = ROOT + FILENAME + "_" + containerName + ".conf";
-        startUp();
-    }
-
-    /**
-     * Function called by the dependency manager when at least one dependency
-     * become unsatisfied or when the component is shutting down because for
-     * example bundle is being stopped.
-     *
-     */
-    void destroy() {
-        destroyCache();
-    }
-
-    /**
-     * Function called by dependency manager after "init ()" is called and after
-     * the services provided by the class are registered in the service registry
-     *
-     */
-    void start() {
-    }
-
-    /**
-     * Function called by the dependency manager before the services exported by
-     * the component are unregistered, this will be followed by a "destroy ()"
-     * calls
-     *
-     */
-    void stop() {
-    }
 
     // this method uses reflection to update an object from it's delta.
 
@@ -203,8 +68,9 @@ public class NeutronSubnetInterface implements INeutronSubnetCRUD, IConfiguratio
 
     @Override
     public NeutronSubnet getSubnet(String uuid) {
-        if (!subnetExists(uuid))
+        if (!subnetExists(uuid)) {
             return null;
+        }
         return subnetDB.get(uuid);
     }
 
@@ -224,8 +90,9 @@ public class NeutronSubnetInterface implements INeutronSubnetCRUD, IConfiguratio
     @Override
     public boolean addSubnet(NeutronSubnet input) {
         String id = input.getID();
-        if (subnetExists(id))
+        if (subnetExists(id)) {
             return false;
+        }
         subnetDB.putIfAbsent(id, input);
         INeutronNetworkCRUD networkIf = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);
 
@@ -236,8 +103,9 @@ public class NeutronSubnetInterface implements INeutronSubnetCRUD, IConfiguratio
 
     @Override
     public boolean removeSubnet(String uuid) {
-        if (!subnetExists(uuid))
+        if (!subnetExists(uuid)) {
             return false;
+        }
         NeutronSubnet target = subnetDB.get(uuid);
         INeutronNetworkCRUD networkIf = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);
 
@@ -249,44 +117,19 @@ public class NeutronSubnetInterface implements INeutronSubnetCRUD, IConfiguratio
 
     @Override
     public boolean updateSubnet(String uuid, NeutronSubnet delta) {
-        if (!subnetExists(uuid))
+        if (!subnetExists(uuid)) {
             return false;
+        }
         NeutronSubnet target = subnetDB.get(uuid);
         return overwrite(target, delta);
     }
 
     @Override
     public boolean subnetInUse(String subnetUUID) {
-        if (!subnetExists(subnetUUID))
+        if (!subnetExists(subnetUUID)) {
             return true;
+        }
         NeutronSubnet target = subnetDB.get(subnetUUID);
         return (target.getPortsInSubnet().size() > 0);
     }
-
-    @SuppressWarnings("unchecked")
-    private void loadConfiguration() {
-        ObjectReader objReader = new ObjectReader();
-        ConcurrentMap<String, NeutronSubnet> confList = (ConcurrentMap<String, NeutronSubnet>)
-                                                            objReader.read(this, fileName);
-
-        if (confList == null) {
-            return;
-        }
-
-        for (String key : confList.keySet()) {
-            subnetDB.put(key, confList.get(key));
-        }
-    }
-
-    @Override
-    public Status saveConfiguration() {
-        ObjectWriter objWriter = new ObjectWriter();
-        return objWriter.write(new ConcurrentHashMap<String, NeutronSubnet>(subnetDB), fileName);
-    }
-
-    @Override
-    public Object readObject(ObjectInputStream ois) throws FileNotFoundException, IOException, ClassNotFoundException {
-        return ois.readObject();
-    }
-
 }