public static void updateTransac_CheckPoint()
{
Clustering_Users_DAO dao = null;
System_Setting transac_check_point = getTransac_CheckPoint();
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
if (ConstantValues.SST_TRANSAC_CP.Equals(transac_check_point.Key))
{
if (transac_check_point.Values.Count > 0)
{
dao.updateTransac_CheckPoint(ConstantValues.SST_TRANSAC_CP);
}
else
{
dao.addTransac_CheckPoint(ConstantValues.SST_TRANSAC_CP);
}
}
dao.commitTransaction();
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
public static System_Setting getTransac_CheckPoint()
{
Clustering_Users_DAO dao = null;
System_Setting transac_check_point = new System_Setting();
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
List <System_Setting> listSystemSetting = dao.getListSystemSetting();
foreach (var item in listSystemSetting)
{
if (item.Key.Equals(ConstantValues.SST_TRANSAC_CP))
{
item.Values = dao.getListSystemSettingValue(ConstantValues.SST_TRANSAC_CP);
return(item);
}
}
dao.commitTransaction();
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
return(transac_check_point);
}
public int checkProcess()
{
int processType = 0;
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
ClusterSchedule cs = dao.getLastClusterSchedule();
if (null != cs)
{
if (null == cs.StopTime)
{
processType = 1;
}
}
dao.commitTransaction();
return(processType);
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
public List <ClusteredReport> getClusteredReport()
{
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
List <User_SubCategories> list_User_Categories = dao.getAllSubCategories();
List <ClusteredReport> list = new List <ClusteredReport>();
foreach (var item in list_User_Categories)
{
ClusteredReport cr = new ClusteredReport();
cr.U_SubCategoryID = item.U_SubCategoryID;
cr.lstCluster = dao.getClusterInfo_BySubCategory(item.U_SubCategoryID);
list.Add(cr);
}
dao.commitTransaction();
return(list);
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
private List <Partion> getPartion_ByU_SubCategoryID(Clustering_Users_DAO dao, string U_SubCategoryID)
{
List <Partion> list = dao.getPartion_ByU_SubCategoryID(U_SubCategoryID);
foreach (var item in list)
{
item.UserCentroid = dao.getUserCentroid(item.ClusterID);
}
return(list);
}
private List <Partion> getPartion_ByU_CategoryID_ForMergeGreoup(Clustering_Users_DAO dao, string categoryName)
{
List <Partion> list = dao.getPartion_ByU_CategoryID_ForMergeGreoup(categoryName);
foreach (var item in list)
{
item.UserCentroid = dao.getUserCentroid(item.ClusterID);
}
return(list);
}
public DateTime getCurrentTime()
{
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
DateTime date = dao.getCurrentTime();
dao.commitTransaction();
return(date);
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
public List <ClusterSchedule> getListClusterSchedule_DESC()
{
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
List <ClusterSchedule> list = dao.getListClusterSchedule_DESC();
dao.commitTransaction();
return(list);
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
public bool checkClusterTableIsInProcess()
{
bool result = true;
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
result = dao.checkLockedTable("USER_CLUSTER_TBL");
dao.commitTransaction();
}
catch (Exception)
{
dao.rollbackTransaction();
result = true;
}
return(result);
}
public int[] getStaticData()
{
int[] result = new int[4];
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
result = dao.getStaticsData();
dao.commitTransaction();
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
return(result);
}
public static void addNewTransacCheckpointKey()
{
Clustering_Users_DAO dao = null;
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
// Add Key ConstantVariables.SST_TRANSAC_CHECK_POINT
System_Setting transac_checkpoint = new System_Setting();
transac_checkpoint.Key = ConstantValues.SST_TRANSAC_CP;
transac_checkpoint.DataType = ConstantValues.SST_TRANSAC_CP_TYPE;
transac_checkpoint.Description = ConstantValues.SST_TRANSAC_CP_DES;
dao.addSystemSetting(transac_checkpoint);
dao.commitTransaction();
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
public int updateCluster_AllTransac(string LoginID)
{
Clustering_Users_DAO dao = null;
ClusterSchedule clusterSchedule = new ClusterSchedule();
clusterSchedule.ClusterType = ConstantValues.SCHE_CLUSTER_USER;
clusterSchedule.Log = String.Empty;
clusterSchedule.LoginID = LoginID;
int processType = checkProcess();
if (processType == 0)
{
Settings st = getSettings();
try
{
dao = new Clustering_Users_DAO();
dao.beginTransaction();
dao.CLEAN_RATTING_MATRIX();
// Add to Schedule
clusterSchedule.Algorithm = Cluster.CLUSTER_KMEAN;//st.cluster_type;
dao.addNewClusterSchedule(clusterSchedule);
string log = "Update Cluster\n";
List <User_SubCategories> list_User_SubCategories = dao.getAllSubCategories();
bool existTransac = false;
List <string> list_User_Categories = get_User_Categories(list_User_SubCategories);
List <List <User_SubCategories> > list_SMALL_User_SubCategories = new List <List <User_SubCategories> >();
foreach (var item in list_User_Categories)
{
list_SMALL_User_SubCategories.Add(new List <User_SubCategories>());
}
#region Cluster For LargeGroup
int numUser = 0;
Dictionary <string, int> allItem = new Dictionary <string, int>();
foreach (var item in list_User_SubCategories)
{
string categoryName = item.U_SubCategoryID + "_";
// Convert Data to matrix
Dictionary <string, int> dic_users = new Dictionary <string, int>();
Dictionary <string, int> dic_items = new Dictionary <string, int>();
// Compute ratting matrix
List <MatrixItem> lstRMI = dao.computeRattingMatrixItem(item.U_SubCategoryID, st.Alpha);
double[][] x = Util.toMatrix_MatrixItem(lstRMI, out dic_users, out dic_items);
if (dic_users.Count > st.U_M / 4)
{
numUser += dic_users.Count;
foreach (var it in dic_items)
{
if (!allItem.ContainsKey(it.Key))
{
allItem.Add(it.Key, it.Value);
}
}
List <Partion> listPartion = getPartion_ByU_SubCategoryID(dao, item.U_SubCategoryID);
LoadUpdateCluster(dao, st, ref existTransac, listPartion, item.U_SubCategoryID, categoryName, dic_users, dic_items, x);
}
else
{
add_SMALL_User_SubCategories(list_User_Categories, ref list_SMALL_User_SubCategories, item);
}
}
#endregion
#region Cluster For SmallGroup
dao.delete_USER_CLUSTER_TBL_2("_MERGE_");
dao.delete_PARTION_TBL_2("_MERGE_");
dao.delete_USER_CENTROID_TBL_2("_MERGE_");
for (int i = 0; i < list_User_Categories.Count; i++)
{
string categoryName = list_User_Categories[i] + "_MERGE_";
// Convert Data to matrix
Dictionary <string, int> dic_users = new Dictionary <string, int>();
Dictionary <string, int> dic_items = new Dictionary <string, int>();
// Compute ratting matrix
List <MatrixItem> lstRMI = new List <MatrixItem>();
foreach (User_SubCategories item in list_SMALL_User_SubCategories[i])
{
lstRMI.AddRange(dao.computeRattingMatrixItem(item.U_SubCategoryID, st.Alpha));
}
double[][] x = Util.toMatrix_MatrixItem(lstRMI, out dic_users, out dic_items);
numUser += dic_users.Count;
foreach (var it in dic_items)
{
if (!allItem.ContainsKey(it.Key))
{
allItem.Add(it.Key, it.Value);
}
}
List <Partion> listPartion = getPartion_ByU_CategoryID_ForMergeGreoup(dao, categoryName);
LoadUpdateCluster(dao, st, ref existTransac, listPartion, list_User_Categories[i], categoryName, dic_users, dic_items, x);
}
#endregion
// Remove Excess USER_CLUSTER_TBL
dao.removeExcessCluster();
// Update USE_TBL
if (existTransac)
{
updateTransac_CheckPoint();
}
log += "\t Number of Client Categories: " + list_User_SubCategories.Count;
log += "\t Number of Client : " + numUser;
log += "\t Number of Item : " + allItem.Count;
log += "\n Parameter: \n";
log += "\t Algorithm:" + st.cluster_type;
log += "\t Epsilon :" + st.epsilon;
log += "\t Max Loop :" + st.maxLoop;
// Update Success Schedule
clusterSchedule.Log = log;
dao.updateClusterSchedule(clusterSchedule);
dao.commitTransaction();
}
catch (Exception ex)
{
dao.rollbackTransaction();
throw ex;
}
}
return(processType);
}
private void LoadCluster(Clustering_Users_DAO dao,
Settings st,
ref bool existTransac,
string U_SubCategoryID,
string categoryName,
Dictionary <string, int> dic_users,
Dictionary <string, int> dic_items,
double[][] x)
{
if (x.Length > 0)
{
existTransac = true;
// Clustering Data
Cluster cluster = new Cluster();
Dictionary <int, int> clustered_Data = new Dictionary <int, int>();
cluster.addSetting(st.k, st.maxLoop, x, st.epsilon, st.Alpha, st.T, st.U_M);
clustered_Data = cluster.Clustering(st.cluster_type);
//if (clustered_Data.Count > 0)
//{
// Mapping UserID to clustered Data
Dictionary <string, int> mapped_Data = map_ID_to_Index(dic_users, clustered_Data);
// Get Destination V
double[][] v = cluster.getV();
// Add new data
#region C1 - Ratting Matrix
// Add Ratting Matrix
for (int i = 0; i < x.Length; i++)
{
for (int j = 0; j < x[0].Length; j++)
{
if (x[i][j] > 0)
{
try
{
MatrixItem matrixItem = new MatrixItem();
matrixItem.ClusterID = categoryName + (mapped_Data[Util.FindKeyByValue(dic_users, i)] + 1);
matrixItem.Row = Util.FindKeyByValue(dic_users, i);
matrixItem.Column = Util.FindKeyByValue(dic_items, j);
matrixItem.Cell = x[i][j];
dao.setRattingMatrix(matrixItem);
}
catch (Exception) { }
}
}
}
#endregion
// Add to USER_CLUSTER_TBL
for (int i = 0; i < v.Length; i++)
{
dao.addCluster(categoryName + (i + 1), U_SubCategoryID);
}
// Add to PARTION_TBL
foreach (var map in mapped_Data)
{
Partion detail = new Partion();
detail.UserID = map.Key;
detail.ClusterID = categoryName + (map.Value + 1);
dao.addPARTION_TBL(detail);
}
// Add to USER_CENTROID_TBL
for (int i = 0; i < v.Length; i++)
{
for (int j = 0; j < v[0].Length; j++)
{
if (!Double.NaN.Equals(v[i][j]))
{
try
{
User_Centroid centroid = new User_Centroid();
centroid.Value = v[i][j];
centroid.ClusterID = categoryName + (i + 1);
centroid.MetaItemID = Util.FindKeyByValue(dic_items, j);
dao.add_User_Centroid(centroid);
}
catch (Exception) { }
}
}
}
}
//}
}
private void LoadUpdateCluster(Clustering_Users_DAO dao,
Settings st,
ref bool existTransac,
List <Partion> listPartion,
string U_SubCategoryID,
string categoryName,
Dictionary <string, int> dic_users,
Dictionary <string, int> dic_items,
double[][] x)
{
if (x.Length > 0)
{
existTransac = true;
List <string> listClusterID = getListClusterID(listPartion);
// Get existed V
double[][] v = new double[listClusterID.Count][];
Cluster cl = new Cluster();
cl.addSetting(v.Length, st.maxLoop, x, 0.0001, st.Alpha, st.T, st.U_M);
Dictionary <int, int> clustered_Data;
if (listPartion.Count > 0)
{
v = get_V_ByNewItems_ReComputeAll(x, dic_items, dic_users, listPartion, listClusterID);
clustered_Data = cl.Clustering_Merge(st.cluster_type, v);
}
else
{
clustered_Data = cl.Clustering_Merge(st.cluster_type);
}
v = cl.getV();
// Mapping UserID to clustered Data
Dictionary <string, int> mapped_Data = map_ID_to_Index(dic_users, clustered_Data);
#region C1 - Ratting Matrix
// Add Ratting Matrix
for (int i = 0; i < x.Length; i++)
{
for (int j = 0; j < x[0].Length; j++)
{
if (x[i][j] > 0)
{
try
{
MatrixItem matrixItem = new MatrixItem();
matrixItem.ClusterID = categoryName + (mapped_Data[Util.FindKeyByValue(dic_users, i)] + 1);
matrixItem.Row = Util.FindKeyByValue(dic_users, i);
matrixItem.Column = Util.FindKeyByValue(dic_items, j);
matrixItem.Cell = x[i][j];
dao.setRattingMatrix(matrixItem);
}
catch (Exception) { }
}
}
}
#endregion
// Remove old USER_CLUSTER_TBL
dao.delete_USER_CLUSTER_TBL(categoryName);
// Add to USER_CLUSTER_TBL
for (int i = 0; i < v.Length; i++)
{
dao.addCluster(categoryName + (i + 1), U_SubCategoryID);
}
// Remove old PARTION_TBL
dao.delete_PARTION_TBL(categoryName);
// Add to PARTION_TBL
foreach (var map in mapped_Data)
{
Partion detail = new Partion();
detail.UserID = map.Key;
detail.ClusterID = categoryName + (map.Value + 1);
dao.addPARTION_TBL(detail);
}
// Remove old USER_CENTROID_TBL
dao.delete_USER_CENTROID_TBL(categoryName);
// Add to USER_CENTROID_TBL
for (int i = 0; i < v.Length; i++)
{
for (int j = 0; j < v[0].Length; j++)
{
if (!Double.NaN.Equals(v[i][j]))
{
try
{
User_Centroid centroid = new User_Centroid();
centroid.Value = v[i][j];
centroid.ClusterID = categoryName + (i + 1);
centroid.MetaItemID = Util.FindKeyByValue(dic_items, j);
dao.add_User_Centroid(centroid);
}
catch (Exception) { }
}
}
}
}
}