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/*
// $Id: //open/dev/farrago/src/net/sf/farrago/ddl/DdlGrantRoleStmt.java#11 $
// Farrago is an extensible data management system.
// Copyright (C) 2005-2009 The Eigenbase Project
// Copyright (C) 2005-2009 SQLstream, Inc.
// Copyright (C) 2005-2009 LucidEra, Inc.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 of the License, or (at your option)
// any later version approved by The Eigenbase Project.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package net.sf.farrago.ddl;
import java.util.*;
import net.sf.farrago.catalog.*;
import net.sf.farrago.fem.security.*;
import net.sf.farrago.session.*;
import org.eigenbase.sql.*;
/**
* DdlGrantRoleStmt represents a DDL GRANT ROLE statement.
*
* @author Quoc Tai Tran
* @version $Id: //open/dev/farrago/src/net/sf/farrago/ddl/DdlGrantRoleStmt.java#11 $
*/
public class DdlGrantRoleStmt
extends DdlGrantStmt
{
//~ Instance fields --------------------------------------------------------
protected List<SqlIdentifier> roleList;
//~ Constructors -----------------------------------------------------------
/**
* Constructs a new DdlGrantRoleStmt.
*/
public DdlGrantRoleStmt()
{
super();
}
//~ Methods ----------------------------------------------------------------
// implement DdlStmt
public void visit(DdlVisitor visitor)
{
visitor.visit(this);
}
// implement FarragoSessionDdlStmt
public void preValidate(FarragoSessionDdlValidator ddlValidator)
{
FarragoRepos repos = ddlValidator.getRepos();
FemAuthId grantorAuthId = determineGrantor(ddlValidator);
// TODO: Check that for all roles to be granted (a) the grantor must be
// the owner. Or (b) the owner has been granted with Admin Option. Need
// model change!
for (SqlIdentifier granteeId : granteeList) {
// REVIEW: SWZ: 2008-07-29: getAuthIdByName most certainly does not
// create an AuthId if it does not exist. An optimization here
// would be to modify newRoleGrant to accept AuthId instances
// instead of re-doing the lookup for granteeId for each role in the
// roleList.
// Find the repository element id for the grantee, create one if
// it does not exist
FemAuthId granteeAuthId =
FarragoCatalogUtil.getAuthIdByName(
repos,
granteeId.getSimple());
// for each role in the list, we instantiate a repository
// element. Note that this makes it easier to revoke the privs on
// the individual basis.
for (SqlIdentifier roleId : roleList) {
// create a privilege object and set its properties
FemGrant grant =
FarragoCatalogUtil.newRoleGrant(
repos,
grantorAuthId.getName(),
granteeId.getSimple(),
roleId.getSimple());
// set the privilege name (i.e. action) and properties
grant.setWithGrantOption(grantOption);
}
}
}
public void setRoleList(List<SqlIdentifier> roleList)
{
this.roleList = roleList;
}
}
// End DdlGrantRoleStmt.java
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