001/* 002 * Syncany, www.syncany.org 003 * Copyright (C) 2011-2016 Philipp C. Heckel <philipp.heckel@gmail.com> 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU General Public License for more details. 014 * 015 * You should have received a copy of the GNU General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package org.syncany.operations.down; 019 020import java.util.Set; 021import java.util.TreeMap; 022 023/** 024 * The database branches class is a convenience class to bundle multiple 025 * {@link DatabaseBranch}s into one object, and map it to its corresponding 026 * owner machine name. 027 * 028 * <p>The class is mainly used by the {@link DatabaseReconciliator} when comparing 029 * and reconciling changes between the clients' database branches. 030 * 031 * @author Philipp C. Heckel (philipp.heckel@gmail.com) 032 */ 033public class DatabaseBranches { 034 private TreeMap<String, DatabaseBranch> branches; 035 036 public DatabaseBranches() { 037 this.branches = new TreeMap<String, DatabaseBranch>(); 038 } 039 040 public Set<String> getClients() { 041 return branches.keySet(); 042 } 043 044 public DatabaseBranch getBranch(String client) { 045 return getBranch(client, false); 046 } 047 048 public DatabaseBranch getBranch(String client, boolean createIfNotExistant) { 049 DatabaseBranch branch = branches.get(client); 050 051 if (branch == null && createIfNotExistant) { 052 branch = new DatabaseBranch(); 053 branches.put(client, branch); 054 } 055 056 return branch; 057 } 058 059 public void put(String machineName, DatabaseBranch branch) { 060 branches.put(machineName, branch); 061 } 062 063 public void remove(String machineName) { 064 branches.remove(machineName); 065 } 066 067 @Override 068 public String toString() { 069 return branches.toString(); 070 } 071 072 @Override 073 public DatabaseBranches clone() { 074 DatabaseBranches clonedBranches = new DatabaseBranches(); 075 clonedBranches.branches.putAll(branches); 076 077 return clonedBranches; 078 } 079}