org.h2.engine.Role Maven / Gradle / Ivy
/*
* Copyright 2004-2019 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.engine;
import org.h2.message.DbException;
import org.h2.message.Trace;
import org.h2.table.Table;
/**
* Represents a role. Roles can be granted to users, and to other roles.
*/
public class Role extends RightOwner {
private final boolean system;
public Role(Database database, int id, String roleName, boolean system) {
super(database, id, roleName, Trace.USER);
this.system = system;
}
@Override
public String getCreateSQLForCopy(Table table, String quotedName) {
throw DbException.throwInternalError(toString());
}
@Override
public String getDropSQL() {
return null;
}
/**
* Get the CREATE SQL statement for this object.
*
* @param ifNotExists true if IF NOT EXISTS should be used
* @return the SQL statement
*/
public String getCreateSQL(boolean ifNotExists) {
if (system) {
return null;
}
StringBuilder buff = new StringBuilder("CREATE ROLE ");
if (ifNotExists) {
buff.append("IF NOT EXISTS ");
}
getSQL(buff, true);
return buff.toString();
}
@Override
public String getCreateSQL() {
return getCreateSQL(false);
}
@Override
public int getType() {
return DbObject.ROLE;
}
@Override
public void removeChildrenAndResources(Session session) {
for (User user : database.getAllUsers()) {
Right right = user.getRightForRole(this);
if (right != null) {
database.removeDatabaseObject(session, right);
}
}
for (Role r2 : database.getAllRoles()) {
Right right = r2.getRightForRole(this);
if (right != null) {
database.removeDatabaseObject(session, right);
}
}
for (Right right : database.getAllRights()) {
if (right.getGrantee() == this) {
database.removeDatabaseObject(session, right);
}
}
database.removeMeta(session, getId());
invalidate();
}
@Override
public void checkRename() {
// ok
}
}