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package com.nru.test;
import java.sql.Connection;
import java.util.Vector;
public class MainClass {
Utilities util = new Utilities();
String query = "";
Connection con_local = null;
Connection con_remote = null;
String sync_id = "";
String last_visitor_id = "";
String last_checkin_id = "";
String new_visitor_id = "";
String new_checkin_id = "";
public MainClass() {
Connection con_local = util.getConnection();
Connection con_remote = util.getConnection_remote();
this.con_local = con_local;
this.con_remote = con_remote;
}
public void getLastSyncData(){
// check t-sync_data table exist or not
query = " select table_name from information_schema.tables where table_schema = 'bestray_infotech' and table_name = 't_sync_data' limit 1 ";
String table_name = util.getField(query, con_remote);
boolean table_exists = (table_name == null || table_name.length() <= 0 )? false : true ;
if(!table_exists){
System.out.println("--- table NOT found : t_sync_data ---");
query = " CREATE TABLE t_sync_data(id bigint(20) NOT NULL AUTO_INCREMENT,last_visitor_id bigint(20) DEFAULT NULL,last_checkin_id bigint(20) DEFAULT NULL,PRIMARY KEY (id)) ";
util.insertQuery(query, con_remote);
System.out.println("--- table created successfully : t_sync_data ---");
query = " insert into t_sync_data(last_visitor_id, last_checkin_id) values (0, 0 ) ";
util.insertQuery(query, con_remote);
}
System.out.println("--- getLastSyncData() invoked ---");
String checkin_id = "";
query =" select id, last_visitor_id, last_checkin_id from t_sync_data order by id desc limit 1 ";
Vector values = util.selectQuery(query, 3, con_remote);
if(values.size() > 0){
for (int i = 0; i < values.size(); i++) {
Vector temp = (Vector) values.elementAt(i);
sync_id = ( temp.elementAt(0) == null || temp.elementAt(0).toString().length() <= 0 ) ? "0" : temp.elementAt(0).toString();
last_visitor_id = ( temp.elementAt(1) == null || temp.elementAt(1).toString().length() <= 0 ) ? "0" : temp.elementAt(1).toString();
last_checkin_id = ( temp.elementAt(2) == null || temp.elementAt(2).toString().length() <= 0 ) ? "0" : temp.elementAt(2).toString();
}
}else{
System.out.println("--- No Sync Data Found ---");
query = " insert into t_sync_data(last_visitor_id, last_checkin_id) values (0, 0 ) ";
util.insertQuery(query, con_remote);
query =" select id, last_visitor_id, last_checkin_id from t_sync_data order by id desc limit 1 ";
values = util.selectQuery(query, 3, con_remote);
for (int i = 0; i < values.size(); i++) {
Vector temp = (Vector) values.elementAt(i);
sync_id = ( temp.elementAt(0) == null || temp.elementAt(0).toString().length() <= 0 ) ? "0" : temp.elementAt(0).toString();
last_visitor_id = ( temp.elementAt(1) == null || temp.elementAt(1).toString().length() <= 0 ) ? "0" : temp.elementAt(1).toString();
last_checkin_id = ( temp.elementAt(2) == null || temp.elementAt(2).toString().length() <= 0 ) ? "0" : temp.elementAt(2).toString();
}
}
System.out.println("--- sync_id: "+sync_id+" last_visitor_id: "+last_visitor_id+" last_checkin_id: "+last_checkin_id);
query = " DELETE FROM t_sync_data WHERE id != "+sync_id;
util.insertQuery(query, con_remote);
}
public void syncData(){
System.out.println("\n\n--- syncing VisitorData ---");
if(last_visitor_id.trim().equalsIgnoreCase("0")){
query = " select id, visitor_id, visitor_type, student_id, student_name, visitor_fname, visitor_lname, visitor_dob, visitor_address, visitor_mobile, visitor_email, created_at, updated_at "
+ " from t_visitor_master "
+ " ";
}else{
query = " select id, visitor_id, visitor_type, student_id, student_name, visitor_fname, visitor_lname, visitor_dob, visitor_address, visitor_mobile, visitor_email, created_at, updated_at "
+ " from t_visitor_master "
+ " where id > "+last_visitor_id;
}
Vector values = util.selectQuery(query, 13, con_local);
if(values.size() > 0){
for (int i = 0; i < values.size(); i++) {
Vector rows = (Vector)values.elementAt(i);
String _vid = (rows.elementAt(0) == null)?"": rows.elementAt(0).toString();
String visitor_id = (rows.elementAt(1) == null)?"": rows.elementAt(1).toString();
String visitor_type = (rows.elementAt(2) == null)?"": rows.elementAt(2).toString();
String student_id = (rows.elementAt(3) == null)?"": rows.elementAt(3).toString();
String student_name = (rows.elementAt(4) == null)?"": rows.elementAt(4).toString();
String visitor_fname = (rows.elementAt(5) == null)?"": rows.elementAt(5).toString();
String visitor_lname = (rows.elementAt(6) == null)?"": rows.elementAt(6).toString();
String visitor_dob = (rows.elementAt(7) == null)?"": rows.elementAt(7).toString();
String visitor_address = (rows.elementAt(8) == null)?"": rows.elementAt(8).toString();
String visitor_mobile = (rows.elementAt(9) == null)?"": rows.elementAt(9).toString();
String visitor_email = (rows.elementAt(10) == null)?"": rows.elementAt(10).toString();
String created_at = (rows.elementAt(11) == null)?"": rows.elementAt(11).toString();
String updated_at = (rows.elementAt(12) == null)?"": rows.elementAt(12).toString();
query = " insert into t_visitor_master (visitor_id, visitor_type, student_id, student_name, visitor_fname, visitor_lname, visitor_dob, visitor_address, visitor_mobile, visitor_email, created_at, updated_at) "
+ " values ( "
+ "'"+visitor_id+"', "
+ "'"+visitor_type+"', "
+ "'"+student_id+"', "
+ "'"+student_name+"', "
+ "'"+visitor_fname+"', "
+ "'"+visitor_lname+"', "
+ "'"+visitor_dob+"', "
+ "'"+visitor_address+"', "
+ "'"+visitor_mobile+"', "
+ "'"+visitor_email+"', "
+ "'"+created_at+"', "
+ "'"+updated_at+"' "
+ " ) ";
util.insertQuery(query, con_remote);
new_visitor_id = _vid;
}
query = " update t_sync_data SET last_visitor_id = "+new_visitor_id+" where id = "+sync_id;
util.insertQuery(query, con_remote);
}else{
System.out.println("--- There is no changes in t_visitor_master data !!!");
}
System.out.println("\n\n--- syncing CheckinData ---");
if(last_checkin_id.trim().equalsIgnoreCase("0")){
query = " select id, visitor_id,reason_for_visit_id, reason_for_visit, whom_to_meet_type, whom_to_meet_id, whom_to_meet_name, checkin_time, checkout_time, created_by, created_at "
+ " from t_visitor_check_in_out "
+ " ";
}else{
query = " select id, visitor_id,reason_for_visit_id, reason_for_visit, whom_to_meet_type, whom_to_meet_id, whom_to_meet_name, checkin_time, checkout_time, created_by, created_at "
+ " from t_visitor_check_in_out "
+ " where id > "+last_checkin_id;
}
values = util.selectQuery(query, 11, con_local);
if(values.size() > 0){
for (int i = 0; i < values.size(); i++) {
Vector rows = (Vector)values.elementAt(i);
String _cid = (rows.elementAt(0) == null)?"" : rows.elementAt(0).toString();
String visitor_id = (rows.elementAt(1) == null)?"" : rows.elementAt(1).toString();
String reason_for_visit_id = (rows.elementAt(2) == null)?"" : rows.elementAt(2).toString();
String reason_for_visit = (rows.elementAt(3) == null)?"" : rows.elementAt(3).toString();
String whom_to_meet_type = (rows.elementAt(4) == null)?"" : rows.elementAt(4).toString();
String whom_to_meet_id = (rows.elementAt(5) == null)?"0": rows.elementAt(5).toString();
String whom_to_meet_name = (rows.elementAt(6) == null)?"" : rows.elementAt(6).toString();
String checkin_time = (rows.elementAt(7) == null)?"" : rows.elementAt(7).toString();
String checkout_time = (rows.elementAt(8) == null)?"" : rows.elementAt(8).toString();
String created_by = (rows.elementAt(9) == null)?"0": rows.elementAt(9).toString();
String created_at = (rows.elementAt(10) == null)?"" : rows.elementAt(10).toString();
query = " insert into t_visitor_check_in_out (visitor_id,reason_for_visit_id, reason_for_visit, whom_to_meet_type, whom_to_meet_id, whom_to_meet_name, checkin_time, checkout_time, created_by, created_at) "
+ " values ( "
+ "'"+visitor_id+"', "
+ "'"+reason_for_visit_id+"', "
+ "'"+reason_for_visit+"', "
+ "'"+whom_to_meet_type+"', "
+ "'"+whom_to_meet_id+"', "
+ "'"+whom_to_meet_name+"', "
+ "'"+checkin_time+"', "
+ "'"+checkout_time+"', "
+ "'"+created_by+"', "
+ "'"+created_at+"' "
+ " ) ";
util.insertQuery(query, con_remote);
new_checkin_id = _cid;
}
query = " update t_sync_data SET last_checkin_id = "+new_checkin_id+" where id = "+sync_id;
util.insertQuery(query, con_remote);
}else{
System.out.println("--- There is no changes in t_visitor_check_in_out data !!!");
}
}
public static void main(String[] args) {
MainClass mainClass = new MainClass();
mainClass.getLastSyncData();
mainClass.syncData();
System.out.println("\n\n--- DB sync successful !!! ---");
}
}
|
lingaraj
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