/*

  * 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.Map;

 import java.util.concurrent.ConcurrentHashMap;

 import java.util.concurrent.atomic.AtomicBoolean;

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

 import net.admin4j.util.annotate.PackageRestrictions;

 /**

  * Registry for JDBC drivers that are currently being proxied.

  * @author D. Ashmore

  * @since 1.0.1

  */

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

 public class DriverContextRegistry {

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

     public static boolean hasSettings(DriverContext context) {

         Validate.notNull(context, "Null DriverContext not allowed.");

         return registryMap.containsKey(context);

     }

     public static boolean isTrackExecutionStacks(DriverContext context) {

         Validate.notNull(context, "Null DriverContext not allowed.");

         boolean answer = true;

         DriverSettings settings = registryMap.get(context);

         if (settings != null && !settings.trackExecutionStacks.get()) {

             answer = false;

         }

         return answer;

     }

     public static void setTrackExecutionStacks(DriverContext context, boolean setting) {

         Validate.notNull(context, "Null DriverContext not allowed.");

         synchronized (registryMap) {

             DriverSettings settings = registryMap.get(context);

             if (settings == null) {

                 settings = new DriverSettings();

                 registryMap.put(context, settings);

             }

             settings.trackExecutionStacks.set(setting);

         }

     }

     private static class DriverSettings {

         public AtomicBoolean trackExecutionStacks = new AtomicBoolean(true);

     }

 }