package org.liquibase.maven.plugins;

 import liquibase.exception.LiquibaseException;

 import liquibase.Liquibase;

 /**

  * Applies the DatabaseChangeLogs to the database. Useful as part of the build process.

  * 

  * @author Peter Murray

  * @description Liquibase Update Maven plugin

  * @goal update

  */

 public class LiquibaseUpdate extends AbstractLiquibaseUpdateMojo {

     /**

      * Whether or not to perform a drop on the database before executing the change.

      * 

      * @parameter expression="${liquibase.dropFirst}" default-value="false"

      */

     protected boolean dropFirst;

     @Override

     protected void doUpdate(Liquibase liquibase) throws LiquibaseException {

         if (dropFirst) {

             liquibase.dropAll();

         }

         if (changesToApply > 0) {

             liquibase.update(changesToApply, contexts);

         } else {

             liquibase.update(contexts);

         }

     }

     @Override

     protected void printSettings(String indent) {

         super.printSettings(indent);

         getLog().info(indent + "drop first? " + dropFirst);

     }

 }