/**
* Takes a list of SqlVisitors and returns a new list with only the SqlVisitors set to apply to
* rollbacks
*/
protected List<SqlVisitor> filterRollbackVisitors(final List<SqlVisitor> visitors) {
final List<SqlVisitor> rollbackVisitors = new ArrayList<SqlVisitor>();
if (visitors != null) {
for (SqlVisitor visitor : visitors) {
if (visitor.isApplyToRollback()) {
rollbackVisitors.add(visitor);
}
}
}
return rollbackVisitors;
}
@Override
public void executeRollbackStatements(Change change, List<SqlVisitor> sqlVisitors)
throws LiquibaseException, UnsupportedChangeException, RollbackImpossibleException {
SqlStatement[] statements = change.generateRollbackStatements(this);
List<SqlVisitor> rollbackVisitors = new ArrayList<SqlVisitor>();
if (sqlVisitors != null) {
for (SqlVisitor visitor : sqlVisitors) {
if (visitor.isApplyToRollback()) {
rollbackVisitors.add(visitor);
}
}
}
execute(statements, rollbackVisitors);
}