EntrySet.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2011 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.turro.financials.model.register;
 
import java.util.ArrayList;
import java.util.Collection;
import java.util.TreeSet;
import org.turro.financials.entity.RegisterEntry;
 
public class EntrySet extends TreeSet<EntryWrapper> {
 
  public void addEntry(RegisterEntry entry) {
    RegisterEntry re = findEqual(entry);
    if(re != null) {
      re.setCredit(re.getCredit() + entry.getCredit());
      re.setDebit(re.getDebit() + entry.getDebit());
    } else {
      add(new EntryWrapper(entry));
    }
  }
 
  public Collection<RegisterEntry> getRegisterEntries() {
    ArrayList<RegisterEntry> list = new ArrayList<RegisterEntry>();
    for(EntryWrapper ew : this) {
      if(!ew.getEntry().isEmpty()) {
        list.add(ew.getEntry());
      }
    }
    return list;
  }
 
  public void calculateBalance() {
    double balance = 0;
    int count = 0;
    for(EntryWrapper ew : this) {
      balance += ew.getSingleBalance();
      ew.getEntry().setEntryOrder(count++);
      ew.setBalance(balance);
    }
  }
 
  public void roundEntries(int fractionDigits) {
    for(EntryWrapper ew : this) {
      ew.getEntry().roundIt(fractionDigits);
    }
  }
 
  private RegisterEntry findEqual(RegisterEntry entry) {
    for(EntryWrapper ew : this) {
      if(ew.entryEquals(entry)) {
        return ew.getEntry();
      }
    }
    return null;
  }
 
}