/* get/create device list entry */
public static GroupList getGroupList(User user, String groupID, boolean createOK)
throws DBException {
// does not return null, if 'createOK' is true
/* User specified? */
if (user == null) {
throw new DBException("User not specified.");
}
String accountID = user.getAccountID();
String userID = user.getUserID();
/* group exists? */
if (StringTools.isBlank(groupID)) {
throw new DBException("DeviceGroup ID not specified.");
} else if (!DeviceGroup.exists(accountID, groupID)) {
throw new DBException("DeviceGroup does not exist: " + accountID + "/" + groupID);
}
/* create/save record */
GroupList.Key grpListKey = new GroupList.Key(accountID, userID, groupID);
if (grpListKey.exists()) { // may throw DBException
// already exists
GroupList listItem = grpListKey.getDBRecord(true);
listItem.setUser(user);
return listItem;
} else if (createOK) {
GroupList listItem = grpListKey.getDBRecord();
listItem.setCreationDefaultValues();
listItem.setUser(user);
return listItem;
} else {
// record doesn't exist, and caller doesn't want us to create it
return null;
}
}
/* return the DBSelect statement for the specified account/group */
protected static DBSelect _getUserListSelect(String acctId, String groupId) {
/* empty/null account */
if (StringTools.isBlank(acctId)) {
return null;
}
/* empty/null user */
if (StringTools.isBlank(groupId)) {
return null;
}
/* get select */
// DBSelect: SELECT * FROM GroupList WHERE ((accountID='acct') and (groupID='group')) ORDER BY
// userID
DBSelect<GroupList> dsel = new DBSelect<GroupList>(GroupList.getFactory());
dsel.setSelectedFields(GroupList.FLD_userID);
DBWhere dwh = dsel.createDBWhere();
dsel.setWhere(
dwh.WHERE_(
dwh.AND(
dwh.EQ(GroupList.FLD_accountID, acctId), dwh.EQ(GroupList.FLD_groupID, groupId))));
dsel.setOrderByFields(GroupList.FLD_userID);
return dsel;
}
/* return list of all Devices within the specified DeviceGroup (NOT SCALABLE BEYOND A FEW HUNDRED GROUPS) */
public static java.util.List<String> getUsersForGroup(String acctId, String groupId)
throws DBException {
/* valid account/groupId? */
if (StringTools.isBlank(acctId)) {
return null;
} else if (StringTools.isBlank(groupId)) {
return null;
}
/* get db selector */
DBSelect dsel = GroupList._getUserListSelect(acctId, groupId);
if (dsel == null) {
return null;
}
/* read users for group */
java.util.List<String> usrList = new Vector<String>();
DBConnection dbc = null;
Statement stmt = null;
ResultSet rs = null;
try {
dbc = DBConnection.getDefaultConnection();
stmt = dbc.execute(dsel.toString());
rs = stmt.getResultSet();
while (rs.next()) {
String usrId = rs.getString(GroupList.FLD_userID);
usrList.add(usrId);
}
} catch (SQLException sqe) {
throw new DBException("Get Group GroupeList", sqe);
} finally {
if (rs != null) {
try {
rs.close();
} catch (Throwable t) {
}
}
if (stmt != null) {
try {
stmt.close();
} catch (Throwable t) {
}
}
DBConnection.release(dbc);
}
/* return list */
return usrList;
}
public static DBFactory<GroupList> getFactory() {
if (factory == null) {
factory =
DBFactory.createDBFactory(
GroupList.TABLE_NAME(),
GroupList.FieldInfo,
DBFactory.KeyType.PRIMARY,
GroupList.class,
GroupList.Key.class,
true /*editable*/,
true /*viewable*/);
factory.addParentTable(Account.TABLE_NAME());
factory.addParentTable(User.TABLE_NAME());
factory.addParentTable(DeviceGroup.TABLE_NAME());
}
return factory;
}
public DBFactory<GroupList> getFactory() {
return GroupList.getFactory();
}