Source Code Cross Referenced for Role.java in  » Database-DBMS » h2database » org » h2 » engine » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.engine 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /*
02:         * Copyright 2004-2008 H2 Group. Licensed under the H2 License, Version 1.0
03:         * (http://h2database.com/html/license.html).
04:         * Initial Developer: H2 Group
05:         */
06:        package org.h2.engine;
07:
08:        import java.sql.SQLException;
09:
10:        import org.h2.message.Message;
11:        import org.h2.message.Trace;
12:        import org.h2.table.Table;
13:        import org.h2.util.ObjectArray;
14:
15:        /**
16:         * Represents a role. Roles can be granted to users, and to other roles.
17:         */
18:        public class Role extends RightOwner {
19:
20:            private final boolean system;
21:
22:            public Role(Database database, int id, String roleName,
23:                    boolean system) {
24:                super (database, id, roleName, Trace.USER);
25:                this .system = system;
26:            }
27:
28:            public String getCreateSQLForCopy(Table table, String quotedName) {
29:                throw Message.getInternalError();
30:            }
31:
32:            public String getDropSQL() {
33:                return null;
34:            }
35:
36:            public String getCreateSQL() {
37:                if (system) {
38:                    return null;
39:                }
40:                return "CREATE ROLE " + getSQL();
41:            }
42:
43:            public int getType() {
44:                return DbObject.ROLE;
45:            }
46:
47:            public void removeChildrenAndResources(Session session)
48:                    throws SQLException {
49:                ObjectArray users = database.getAllUsers();
50:                for (int i = 0; i < users.size(); i++) {
51:                    User user = (User) users.get(i);
52:                    Right right = user.getRightForRole(this );
53:                    if (right != null) {
54:                        database.removeDatabaseObject(session, right);
55:                    }
56:                }
57:                ObjectArray roles = database.getAllRoles();
58:                for (int i = 0; i < roles.size(); i++) {
59:                    Role r2 = (Role) roles.get(i);
60:                    Right right = r2.getRightForRole(this );
61:                    if (right != null) {
62:                        database.removeDatabaseObject(session, right);
63:                    }
64:                }
65:                ObjectArray rights = database.getAllRights();
66:                for (int i = 0; i < rights.size(); i++) {
67:                    Right right = (Right) rights.get(i);
68:                    if (right.getGrantee() == this ) {
69:                        database.removeDatabaseObject(session, right);
70:                    }
71:                }
72:                database.removeMeta(session, getId());
73:                invalidate();
74:            }
75:
76:            public void checkRename() throws SQLException {
77:            }
78:
79:        }
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