package liquibase.integration.ant;
import liquibase.Contexts;
import liquibase.LabelExpression;
import liquibase.Liquibase;
import liquibase.exception.LiquibaseException;
import org.apache.tools.ant.BuildException;
import java.io.IOException;
public class DatabaseRollbackFutureTask extends AbstractChangeLogBasedTask {
@Override
public void executeWithLiquibaseClassloader() throws BuildException {
Liquibase liquibase = getLiquibase();
try {
liquibase.futureRollbackSQL(null, new Contexts(getContexts()), getLabels(), getOutputFileWriter());
} catch (LiquibaseException e) {
throw new BuildException("Unable to generate future rollback SQL.", e);
} catch (IOException e) {
throw new BuildException("Unable to generate future rollback SQL. Error creating output writer.", e);
}
}
@Override
protected void validateParameters() {
super.validateParameters();
if(getOutputFile() == null) {
throw new BuildException("Output file is required.");
}
}
}