actual freya branch

2026-09-12 15:41:31 +00:00
parent 8049e0a882
commit 68c1cd27d4
3510 changed files with 336689 additions and 302906 deletions
@@ -0,0 +1,128 @@
+/*
+ * This program is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU 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 General Public License for more
+ * details.
+ * 
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.gameserver.instancemanager;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.Map;
+import java.util.logging.Logger;
+
+import javolution.util.FastMap;
+
+import com.l2jserver.L2DatabaseFactory;
+
+public class GlobalVariablesManager
+{
+	private static final Logger _log = Logger.getLogger(GlobalVariablesManager.class.getName());
+	
+	private static final String LOAD_VAR = "SELECT var,value FROM global_variables";
+	private static final String SAVE_VAR = "INSERT INTO global_variables (var,value) VALUES (?,?) ON DUPLICATE KEY UPDATE value=?";
+	
+	private final Map<String, String> _variablesMap;
+	
+	private GlobalVariablesManager()
+	{
+		_variablesMap = new FastMap<>();
+		
+		loadVars();
+	}
+	
+	private final void loadVars()
+	{
+		Connection con = null;
+		try
+		{
+			con = L2DatabaseFactory.getInstance().getConnection();
+			PreparedStatement statement = con.prepareStatement(LOAD_VAR);
+			ResultSet rset = statement.executeQuery();
+			
+			String var, value;
+			while (rset.next())
+			{
+				var = rset.getString(1);
+				value = rset.getString(2);
+				
+				_variablesMap.put(var, value);
+			}
+			
+			rset.close();
+			statement.close();
+		}
+		catch (Exception e)
+		{
+			_log.warning("GlobalVariablesManager: problem while loading variables: " + e);
+		}
+		finally
+		{
+			L2DatabaseFactory.close(con);
+		}
+	}
+	
+	public final void saveVars()
+	{
+		Connection con = null;
+		PreparedStatement statement = null;
+		try
+		{
+			con = L2DatabaseFactory.getInstance().getConnection();
+			statement = con.prepareStatement(SAVE_VAR);
+			
+			for (String var : _variablesMap.keySet())
+			{
+				statement.setString(1, var);
+				statement.setString(2, _variablesMap.get(var));
+				statement.setString(3, _variablesMap.get(var));
+				statement.execute();
+			}
+			statement.close();
+			_log.info("GlobalVariablesManager: Database updated.");
+		}
+		catch (Exception e)
+		{
+			_log.warning("GlobalVariablesManager: problem while saving variables: " + e);
+		}
+		finally
+		{
+			L2DatabaseFactory.close(con);
+		}
+	}
+	
+	public void storeVariable(String var, String value)
+	{
+		_variablesMap.put(var, value);
+	}
+	
+	public boolean isVariableStored(String var)
+	{
+		return _variablesMap.containsKey(var);
+	}
+	
+	public String getStoredVariable(String var)
+	{
+		return _variablesMap.get(var);
+	}
+	
+	public static final GlobalVariablesManager getInstance()
+	{
+		return SingletonHolder._instance;
+	}
+	
+	@SuppressWarnings("synthetic-access")
+	private static class SingletonHolder
+	{
+		protected static final GlobalVariablesManager _instance = new GlobalVariablesManager();
+	}
+}