示例#1
0
  /**
   * Implementation delegates logic to the {@link
   * liquibase.sqlgenerator.SqlGenerator#warn(liquibase.statement.SqlStatement,
   * liquibase.database.Database, liquibase.sqlgenerator.SqlGeneratorChain)} method on the {@link
   * SqlStatement} objects returned by {@link #generateStatements }. If a generated statement is not
   * supported for the given database, no warning will be added since that is a validation error. If
   * no or null SqlStatements are returned by generateStatements then this method returns no
   * warnings.
   */
  @Override
  public Warnings warn(Database database) {
    Warnings warnings = new Warnings();
    if (generateStatementsVolatile(database)) {
      return warnings;
    }

    SqlStatement[] statements = generateStatements(database);
    if (statements == null) {
      return warnings;
    }
    for (SqlStatement statement : statements) {
      if (SqlGeneratorFactory.getInstance().supports(statement, database)) {
        warnings.addAll(SqlGeneratorFactory.getInstance().warn(statement, database));
      } else if (statement.skipOnUnsupported()) {
        warnings.addWarning(
            statement.getClass().getName()
                + " is not supported on "
                + database.getShortName()
                + ", but "
                + ChangeFactory.getInstance().getChangeMetaData(this).getName()
                + " will still execute");
      }
    }

    return warnings;
  }
示例#2
0
 /*
  * Executes the statements passed
  *
  * @param statements an array containing the SQL statements to be issued
  * @param sqlVisitors a list of {@link SqlVisitor} objects to be applied to the executed statements
  * @throws DatabaseException if there were problems issuing the statements
  */
 @Override
 public void execute(final SqlStatement[] statements, final List<SqlVisitor> sqlVisitors)
     throws LiquibaseException {
   for (SqlStatement statement : statements) {
     if (statement.skipOnUnsupported()
         && !SqlGeneratorFactory.getInstance().supports(statement, this)) {
       continue;
     }
     LogFactory.getLogger().debug("Executing Statement: " + statement);
     ExecutorService.getInstance().getExecutor(this).execute(statement, sqlVisitors);
   }
 }
示例#3
0
  /**
   * Implementation checks the ChangeParameterMetaData for declared required fields and also
   * delegates logic to the {@link
   * liquibase.sqlgenerator.SqlGenerator#validate(liquibase.statement.SqlStatement,
   * liquibase.database.Database, liquibase.sqlgenerator.SqlGeneratorChain)} method on the {@link
   * SqlStatement} objects returned by {@link #generateStatements }. If no or null SqlStatements are
   * returned by generateStatements then this method returns no errors. If there are no parameters
   * than this method returns no errors
   */
  @Override
  public ValidationErrors validate(Database database) {
    ValidationErrors changeValidationErrors = new ValidationErrors();

    for (ChangeParameterMetaData param :
        ChangeFactory.getInstance().getChangeMetaData(this).getParameters().values()) {
      if (param.isRequiredFor(database) && param.getCurrentValue(this) == null) {
        changeValidationErrors.addError(
            param.getParameterName()
                + " is required for "
                + ChangeFactory.getInstance().getChangeMetaData(this).getName()
                + " on "
                + database.getShortName());
      }
    }
    if (changeValidationErrors.hasErrors()) {
      return changeValidationErrors;
    }

    String unsupportedWarning =
        ChangeFactory.getInstance().getChangeMetaData(this).getName()
            + " is not supported on "
            + database.getShortName();
    if (!this.supports(database)) {
      changeValidationErrors.addError(unsupportedWarning);
    } else if (!generateStatementsVolatile(database)) {
      boolean sawUnsupportedError = false;
      SqlStatement[] statements;
      statements = generateStatements(database);
      if (statements != null) {
        for (SqlStatement statement : statements) {
          boolean supported = SqlGeneratorFactory.getInstance().supports(statement, database);
          if (!supported && !sawUnsupportedError) {
            if (!statement.skipOnUnsupported()) {
              changeValidationErrors.addError(unsupportedWarning);
              sawUnsupportedError = true;
            }
          } else {
            changeValidationErrors.addAll(
                SqlGeneratorFactory.getInstance().validate(statement, database));
          }
        }
      }
    }

    return changeValidationErrors;
  }
  public ValidationErrors validate(Database database) {
    ValidationErrors changeValidationErrors = new ValidationErrors();
    for (SqlStatement statement : generateStatements(database)) {
      boolean supported = SqlGeneratorFactory.getInstance().supports(statement, database);
      if (!supported) {
        if (statement.skipOnUnsupported()) {
          LogFactory.getLogger()
              .info(
                  getChangeMetaData().getName()
                      + " is not supported on "
                      + database.getTypeName()
                      + " but will continue");
        } else {
          changeValidationErrors.addError(
              getChangeMetaData().getName() + " is not supported on " + database.getTypeName());
        }
      } else {
        changeValidationErrors.addAll(
            SqlGeneratorFactory.getInstance().validate(statement, database));
      }
    }

    return changeValidationErrors;
  }