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ProvSy.java
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ProvSy.java
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package system;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
/**
*
* @author Group009
* @version 2.0
*/
public class ProvSy implements Global{
public ArrayList<HouseSw> users = new ArrayList<HouseSw>();
public double GasTariff;
public double EleTariff;
public int nextNumber;
public String[] records;
public ProvSy(){
File file1=new File("resource\\MeterReading\\Users\\332.txt");
if(!file1.exists()){
try{
file1.createNewFile();
Meter.writeFileContent(Global.UserPath,3,32,"0,");
}
catch(IOException e){
e.printStackTrace();
}
}//if there is not a file to store users, create a file named "332.txt" and write "0," in this file
this.records = Meter.readFile(Global.UserPath,3,32);//store the historical users' household_id
this.nextNumber=Integer.parseInt(records[0]);//store the household_id that will be allocated to new user
File file2=new File("resource\\MeterReading\\Tariff\\01.txt");
if(!file2.exists()){
try{
file2.createNewFile();
Meter.writeFileContent(Global.TariffPath,0,1,"14.6,");//read the tariff of electricity meter
}
catch(IOException e){
e.printStackTrace();
}
}
String eletariff[]=Meter.readFile(Global.TariffPath,0,1);
this.EleTariff=Double.parseDouble(eletariff[eletariff.length-1]);
File file3=new File("resource\\MeterReading\\Tariff\\02.txt");
if(!file3.exists()){
try{
file3.createNewFile();
Meter.writeFileContent(Global.TariffPath,0,2,"3.88,");//read the tariff of gas meter
}
catch(IOException e){
e.printStackTrace();
}
}
String gastariff[]=Meter.readFile(Global.TariffPath,0,2);
this.GasTariff=Double.parseDouble(gastariff[gastariff.length-1]);
int intHid=0;
for(int i=1;i<this.records.length;i++){
intHid=Integer.parseInt(this.records[i]);
HouseSw OldUser=new HouseSw(intHid);
this.users.add(OldUser);
} //add the historical users to the system
}
/**
*
* @return the tariff of the gas meter
*/
public double getGasTariff(){return this.GasTariff;}
/**
*
* @return the tariff of the electricity meter
*/
public double getEleTariff(){return this.EleTariff;}
/**
*
* @param tariff the tariff of the gas meter that you want to set
*/
public void setGasTariff(double tariff){
this.GasTariff=tariff;
for(int i=0;i<users.size();i++){
this.users.get(i).meter.get(1).GasTariff=tariff;
}//traverse all the user in system
try{Meter.writeFileContent(TariffPath,0,2,tariff+",");}//update the gas tariff which is stored in file
catch(Exception e){ e.printStackTrace();}
}
/**
*
* @param tariff the tariff of the electricity meter that you want to set
*/
public void setEleTariff(double tariff){
this.EleTariff=tariff;
for(int i=0;i<users.size();i++){
this.users.get(i).meter.get(0).EleTariff=tariff;
}//traverse all the user in system
try{Meter.writeFileContent(TariffPath,0,1,tariff+",");}//update the electricity tariff which is stored in file
catch(Exception e){ e.printStackTrace();}
}
/**
*
* @return household_id of the new user that you add
*/
public int AddUsers(){
this.records = Meter.readFile(Global.UserPath,3,32);
this.nextNumber+=1;
HouseSw NewUser=new HouseSw(this.nextNumber);
NewUser.EleTariff=this.EleTariff;
NewUser.GasTariff=this.GasTariff;
this.users.add(NewUser);
String SnextNumber=Integer.toString(this.nextNumber);
String tmp=null;
StringBuffer buf = new StringBuffer();
buf.append(SnextNumber);
buf.append(",");
for(int i=1;i<this.records.length;i++){
buf.append(this.records[i]);
buf.append(",");
}
buf.append(this.nextNumber);
buf.append(",");
tmp = buf.toString();
try{FileOutputStream testfile = new FileOutputStream("resource\\MeterReading\\Users\\332.txt");
testfile.write(new String(tmp).getBytes());
testfile.close();}
catch(Exception e){ e.printStackTrace();}
int j=this.nextNumber;
return j;
}
/**
*
* @param id the household_id of the user that you want to delete
* @return return 1 if delete unsuccessfully, else return 0
*/
public int RemUsers(int id){
this.records = Meter.readFile(Global.UserPath,3,32);
int i=0;
int index=0;
if(this.users.size()==0){
System.out.println("Empty !!!");
index=1;
return index;
}
for(i=0;i<this.users.size();i++){
if(this.users.get(i).household_id==id)
break;
if(i==this.users.size()-1){
System.out.println("No Such user !!!");
index=1;
return index;
}
}
String SnextNumber=Integer.toString(this.nextNumber);
String Sid=Integer.toString(id);
String tmp=null;
StringBuffer buf = new StringBuffer();
buf.append(SnextNumber);//store the household_id that will be allocated to new user
buf.append(",");
for(int j=1;j<this.records.length;j++){
if(this.records[j].equals(Sid))
continue;
buf.append(this.records[j]);
buf.append(",");
}
tmp = buf.toString();
try{FileOutputStream testfile = new FileOutputStream("resource\\MeterReading\\Users\\332.txt");
testfile.write(new String(tmp).getBytes());
testfile.close();}
catch(Exception e){ e.printStackTrace();}
this.users.remove(i);
return index;
}
/**
*
* @param id the household_id of the user whose electricity meter reading you want to read
* @return return null if there is no such user, else return the users' electricity meter reading
*/
public String GetEleMeter(int id){
int i=0;
for(i=0;i<this.users.size();i++){
if(this.users.get(i).household_id==id)
break;
if(i==this.users.size()-1){
return null;
}
}
return this.users.get(i).meter.get(0).elerun.reading;
}
/**
*
* @param id the household_id of the user whose gas meter reading you want to read
* @return return null if there is no such user, else return the users' gas meter reading
*/
public String GetGasMeter(int id){
int i=0;
for(i=0;i<this.users.size();i++){
if(this.users.get(i).household_id==id)
break;
if(i==this.users.size()-1){
return null;
}
}
return this.users.get(i).meter.get(1).gasrun.reading;
}
/**
*
* @param id the household_id of the user whose electricity budget you want to set
* @param budget the electricity meter budget you want to set
* @param budgettype the type of the budget. 0 for consumption, 1 for cost.
*/
public void setEleBudget(int id,double budget,int budgettype){
int i=0;
for(i=0;i<this.users.size();i++){
if(this.users.get(i).household_id==id)
break;
if(i==this.users.size()-1){
System.out.println("No Such user !!!");
return;
}
}
this.users.get(i).setEleBudget(budget,budgettype);
}
/**
*
* @param id the household_id of the user whose gas budget you want to set
* @param budget the gas meter budget you want to set
* @param budgettype the type of the budget. 0 for consumption, 1 for cost.
*/
public void setGasBudget(int id,double budget,int budgettype){
int i=0;
for(i=0;i<this.users.size();i++){
if(this.users.get(i).household_id==id)
break;
if(i==this.users.size()-1){
System.out.println("No Such user !!!");
return;
}
}
this.users.get(i).setGasBudget(budget,budgettype);
}
}