@Override
public void remove(Entry entry) throws Exception {
if (!entries.containsKey(entry.getId())) {
throw new DBException("Entry not found");
}
long logid = entry.getLog().getId();
Log log = logDB.get(logid);
log.removeEntry(entry);
logDB.update(log);
entries.remove(entry.getId());
}
@Override
public void update(Entry entry) throws Exception {
if (entry == null) {
throw new DBException("Invalid entry");
}
entry = logDB.updateEntry(entry);
entries.put(entry.getId(), entry);
}
@Override
public Entry add(Entry entry) throws Exception {
if (entries.containsValue(entry)) {
throw new DBException("Entry is already in the collection");
}
entry.setId(idCounter);
entries.put(idCounter, entry);
idCounter++;
Log log = entry.getLog();
log.addEntry(entry);
logDB.update(log);
return entry;
}
/** @author yassinbarrani */
public class EntryDBCollection implements EntryDB {
private static EntryDBCollection instance = null;
protected EntryDBCollection() {
// Exists only to defeat instantiation.
}
public static EntryDBCollection getInstance() {
if (instance == null) {
instance = new EntryDBCollection();
}
return instance;
}
private static Map<Long, Entry> entries = new HashMap<Long, Entry>();
private static long idCounter = 1;
private LogDBCollection logDB = LogDBCollection.getInstance();
@Override
public Entry add(Entry entry) throws Exception {
if (entries.containsValue(entry)) {
throw new DBException("Entry is already in the collection");
}
entry.setId(idCounter);
entries.put(idCounter, entry);
idCounter++;
Log log = entry.getLog();
log.addEntry(entry);
logDB.update(log);
return entry;
}
@Override
public void update(Entry entry) throws Exception {
if (entry == null) {
throw new DBException("Invalid entry");
}
entry = logDB.updateEntry(entry);
entries.put(entry.getId(), entry);
}
@Override
public Entry get(long id) throws Exception {
if (!entries.containsKey(id)) {
throw new DBException("Entry not found");
}
return entries.get(id);
}
@Override
public void remove(Entry entry) throws Exception {
if (!entries.containsKey(entry.getId())) {
throw new DBException("Entry not found");
}
long logid = entry.getLog().getId();
Log log = logDB.get(logid);
log.removeEntry(entry);
logDB.update(log);
entries.remove(entry.getId());
}
@Override
public Collection<Entry> getEntries() {
return entries.values();
}
}
