package liquibase.sqlgenerator.core;

 import liquibase.database.Database;

 import liquibase.exception.ValidationErrors;

 import liquibase.sql.SingleLineComment;

 import liquibase.sql.Sql;

 import liquibase.sqlgenerator.SqlGenerator;

 import liquibase.sqlgenerator.SqlGeneratorChain;

 import liquibase.statement.core.CommentStatement;

 public class CommentGenerator extends AbstractSqlGenerator<CommentStatement> {

     public Sql[] generateSql(CommentStatement comment, Database database, SqlGeneratorChain sqlGeneratorChain) {

         return new Sql[] { new SingleLineComment(comment.getText(), database.getLineComment()) };

     }

     public ValidationErrors validate(CommentStatement comment, Database database, SqlGeneratorChain sqlGeneratorChain) {

         ValidationErrors validationErrors = new ValidationErrors();

         validationErrors.checkRequiredField("text", comment.getText());

         return validationErrors;

     }

 }