/*

  * This software is licensed under the Apache License, Version 2.0

  * (the "License") agreement; you may not use this file except in compliance with

  * the License.  You may obtain a copy of the License at

  * 

  *      http://www.apache.org/licenses/LICENSE-2.0

  * 

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package net.admin4j.jdbc.driver;

 import java.util.HashSet;

 import java.util.Map;

 import java.util.Set;

 import java.util.concurrent.ConcurrentHashMap;

 import net.admin4j.deps.commons.lang3.Validate;

 import net.admin4j.jdbc.driver.sql.ConnectionWrapper30Base;

 import net.admin4j.util.annotate.PackageRestrictions;

 /**

  * Keeps track of all active connections.

  * @author D. Ashmore

  * @since 1.0

  */

 @PackageRestrictions({"net.admin4j","java","javax"})

 public class ConnectionRegistry {

         private static Map<ConnectionWrapper30Base, ConnectionWrapper30Base> registryMap = new ConcurrentHashMap<ConnectionWrapper30Base, ConnectionWrapper30Base>();

         public static void register(ConnectionWrapper30Base conn) {

                 Validate.notNull(conn, "Null Connection not allowed.");

                 registryMap.put(conn, conn);

         }

         public static void unRegister(ConnectionWrapper30Base conn) {

                 Validate.notNull(conn, "Null Connection not allowed.");

                 registryMap.remove(conn);

         }

         public static Set<ConnectionWrapper30Base> getCurrentConnectionSet() {

                 return new HashSet<ConnectionWrapper30Base>(registryMap.keySet());

         }

 }