package liquibase.change.core;
   
   import liquibase.change.AbstractChange;
   import liquibase.change.ChangeMetaData;
   import liquibase.database.Database;
   import liquibase.statement.SqlStatement;
   import liquibase.statement.core.DropViewStatement;
   import liquibase.util.StringUtils;
   
  /**
   * Drops an existing view.
   */
  public class DropViewChange extends AbstractChange {
      private String schemaName;
      private String viewName;
  
      public DropViewChange() {
          super("dropView", "Drop View", ChangeMetaData.PRIORITY_DEFAULT);
      }
  
      public String getSchemaName() {
          return schemaName;
      }
  
      public void setSchemaName(String schemaName) {
          this.schemaName = StringUtils.trimToNull(schemaName);
      }
  
      public String getViewName() {
          return viewName;
      }
  
      public void setViewName(String viewName) {
          this.viewName = viewName;
      }
  
      public SqlStatement[] generateStatements(Database database) {
          return new SqlStatement[] { new DropViewStatement(getSchemaName() == null ? database.getDefaultSchemaName()
                  : getSchemaName(), getViewName()), };
      }
  
      public String getConfirmationMessage() {
          return "View " + getViewName() + " dropped";
      }
  
  }