/*

  * 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.Collection;

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

 import net.admin4j.entity.ExecutionStack;

 import net.admin4j.timer.BasicTaskTimer;

 import net.admin4j.timer.DataMeasure;

 import net.admin4j.util.Admin4jRuntimeException;

 /**

  * Times SQL Statement executions.

  * @author D. Ashmore

  * @since 1.0.1

  */

 public class SqlTaskTimer extends BasicTaskTimer {

     private static final long serialVersionUID = -1731339518240664632L;

     private ThreadLocal<ExecutionStack> executionStack = new ThreadLocal<ExecutionStack>();

     private DriverContext driverContext;

     public SqlTaskTimer(String sqlText

             , Collection<DataMeasure> dataMeasures

             , DriverContext driverContext

             , ExecutionStack executionStack) {

         super(sqlText, dataMeasures);

         Validate.notNull(executionStack, "Null executionstack not allowed.");

         Validate.notNull(driverContext, "Null driverContext not allowed.");

         this.executionStack.set(executionStack);

         this.driverContext = driverContext;

     }

     /* (non-Javadoc)

      * @see net.admin4j.timer.BasicTaskTimer#stop()

      */

     @Override

     public void stop() {

         Long bTime = this.getBeginTime();

         if (bTime == null) {

             throw new Admin4jRuntimeException("Can't call stop() on a timer that hasn't been started.");            

         }

         Long timing = System.currentTimeMillis() - bTime;

         for (DataMeasure measure: this.getDataMeasures()) {

             ((SqlStatementSummaryDataMeasure)measure).addNumber(timing, executionStack.get());

         }

     }

     public DriverContext getDriverContext() {

         return driverContext;

     }

 }