/*
* primitiveDB.java
*
* Created on 27. November 2006, 15:41
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package javaapplication5;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author kj09
*/
public class primitiveDB {
public ArrayList db;
private ArrayList entry;
/** Creates a new instance of primitiveDB */
public primitiveDB() {
db = new ArrayList();
entry = new ArrayList();
}
public void add(int row, int col, String data){
System.out.println("Data added to DB - Column: "+col+" Row: "+row+" Data: "+data);
//Maybe this row is already existing in DB?
if(db.size() >= row){ //Yes, this entry already exists.
entry = (ArrayList) db.get(row);
//Erase it, we dont want duplicates
db.remove(entry);
entry.add(col, entry);
//Write it back:
db.add(entry);
} else { //No, no entry exists.
entry = null;
entry.add(col, data);
db.add(entry); //Take that to the db
}
}
public int getLastRow(){ //The LastRow of this db (ID)
return(db.size());
}
public int getLastCol(int row){ //The LastColumn of a row (ID)
entry = (ArrayList) db.get(row);
return(entry.size());
}
}