Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package achmad.rifai.erp1.entity.dao; import achmad.rifai.erp1.entity.Ledger; import java.util.Comparator; import java.util.List; /** * * @author ai */ public class DAOLedger implements DAO<Ledger> { private achmad.rifai.erp1.util.Db d; public DAOLedger(achmad.rifai.erp1.util.Db db) { d = db; } @Override public void insert(Ledger v) throws Exception { achmad.rifai.erp1.beans.Form1 f = new achmad.rifai.erp1.beans.Form1(v.getKode(), v); d.getD().getCollectionFromString("ledger").insert(f.genComparasion()); } @Override public void delete(Ledger w) throws Exception { Ledger l = Ledger.of(d, w.getKode()); l.setDeleted(true); update(w, l); } @Override public void update(Ledger a, Ledger b) throws Exception { achmad.rifai.erp1.beans.Form1 f = new achmad.rifai.erp1.beans.Form1(b.getKode(), b); com.mongodb.DBObject w = new com.mongodb.BasicDBObject(); w.put("berkas", a.getKode()); d.getD().getCollectionFromString("ledger").update(w, f.genComparasion()); } @Override public List<Ledger> all() throws Exception { List<Ledger> l = new java.util.LinkedList<>(); achmad.rifai.erp1.util.RSA r = achmad.rifai.erp1.util.Work.loadRSA(); com.mongodb.DBCursor c = d.getD().getCollectionFromString("ledger").find(); while (c.hasNext()) { com.mongodb.BasicDBList li = (com.mongodb.BasicDBList) c.next().get("bin"); String json = ""; for (int x = 0; x < li.size(); x++) json += r.decrypt("" + li.get(x)); Ledger le = new Ledger(json); if (!le.isDeleted()) l.add(le); } l.sort(sorter()); return l; } private Comparator<? super Ledger> sorter() { return (Ledger o1, Ledger o2) -> { int x; if (o1.getTgl().after(o2.getTgl())) x = -1; else if (o1.getTgl().before(o2.getTgl())) x = 1; else x = 0; return x; }; } public void trueDelete(Ledger a) throws Exception { com.mongodb.DBObject o = new com.mongodb.BasicDBObject(); o.put("berkas", a.getKode()); d.getD().getCollectionFromString("ledger").remove(o); } @Override public void createTable() throws Exception { //d.getRS("create table if not exists ledger(berkas text primary key,bin list<text>);"); } }