trunk/java/com/l2jserver/gameserver/model/variables/AbstractVariables.java

@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2004-2014 L2J Server
+ * 
+ * This file is part of L2J Server.
+ * 
+ * L2J Server 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.
+ * 
+ * L2J Server 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.model.variables;
+
+import java.util.concurrent.atomic.AtomicBoolean;
+
+import javolution.util.FastMap;
+
+import com.l2jserver.gameserver.model.StatsSet;
+import com.l2jserver.gameserver.model.interfaces.IRestorable;
+import com.l2jserver.gameserver.model.interfaces.IStorable;
+
+/**
+ * @author UnAfraid
+ */
+public abstract class AbstractVariables extends StatsSet implements IRestorable, IStorable
+{
+	private final AtomicBoolean _hasChanges = new AtomicBoolean(false);
+	
+	public AbstractVariables()
+	{
+		super(new FastMap<String, Object>().shared());
+	}
+	
+	/**
+	 * Overriding following methods to prevent from doing useless database operations if there is no changes since player's login.
+	 */
+	
+	@Override
+	public final void set(String name, boolean value)
+	{
+		_hasChanges.compareAndSet(false, true);
+		super.set(name, value);
+	}
+	
+	@Override
+	public final void set(String name, double value)
+	{
+		_hasChanges.compareAndSet(false, true);
+		super.set(name, value);
+	}
+	
+	@Override
+	public final void set(String name, Enum<?> value)
+	{
+		_hasChanges.compareAndSet(false, true);
+		super.set(name, value);
+	}
+	
+	@Override
+	public final void set(String name, int value)
+	{
+		_hasChanges.compareAndSet(false, true);
+		super.set(name, value);
+	}
+	
+	@Override
+	public final void set(String name, long value)
+	{
+		_hasChanges.compareAndSet(false, true);
+		super.set(name, value);
+	}
+	
+	@Override
+	public final void set(String name, String value)
+	{
+		_hasChanges.compareAndSet(false, true);
+		super.set(name, value);
+	}
+	
+	/**
+	 * Return true if there exists a record for the variable name.
+	 * @param name
+	 * @return
+	 */
+	public boolean hasVariable(String name)
+	{
+		return getSet().keySet().contains(name);
+	}
+	
+	/**
+	 * @return {@code true} if changes are made since last load/save.
+	 */
+	public final boolean hasChanges()
+	{
+		return _hasChanges.get();
+	}
+	
+	/**
+	 * Atomically sets the value to the given updated value if the current value {@code ==} the expected value.
+	 * @param expect
+	 * @param update
+	 * @return {@code true} if successful. {@code false} return indicates that the actual value was not equal to the expected value.
+	 */
+	public final boolean compareAndSetChanges(boolean expect, boolean update)
+	{
+		return _hasChanges.compareAndSet(expect, update);
+	}
+	
+	/**
+	 * Removes variable
+	 * @param name
+	 */
+	public final void remove(String name)
+	{
+		_hasChanges.compareAndSet(false, true);
+		getSet().remove(name);
+	}
+}

trunk/java/com/l2jserver/gameserver/model/variables/AccountVariables.java

@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2004-2014 L2J DataPack
+ * 
+ * This file is part of L2J DataPack.
+ * 
+ * L2J DataPack 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.
+ * 
+ * L2J DataPack 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.model.variables;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Map.Entry;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import com.l2jserver.L2DatabaseFactory;
+
+/**
+ * @author UnAfraid
+ */
+public class AccountVariables extends AbstractVariables
+{
+	private static final Logger _log = Logger.getLogger(AccountVariables.class.getName());
+	
+	// SQL Queries.
+	private static final String SELECT_QUERY = "SELECT * FROM account_gsdata WHERE account_name = ?";
+	private static final String DELETE_QUERY = "DELETE FROM account_gsdata WHERE account_name = ?";
+	private static final String INSERT_QUERY = "INSERT INTO account_gsdata (account_name, var, value) VALUES (?, ?, ?)";
+	
+	private final String _accountName;
+	
+	public AccountVariables(String accountName)
+	{
+		_accountName = accountName;
+		restoreMe();
+	}
+	
+	@Override
+	public boolean restoreMe()
+	{
+		// Restore previous variables.
+		try (Connection con = L2DatabaseFactory.getInstance().getConnection();
+			PreparedStatement st = con.prepareStatement(SELECT_QUERY))
+		{
+			st.setString(1, _accountName);
+			try (ResultSet rset = st.executeQuery())
+			{
+				while (rset.next())
+				{
+					set(rset.getString("var"), rset.getString("value"));
+				}
+			}
+		}
+		catch (SQLException e)
+		{
+			_log.log(Level.WARNING, getClass().getSimpleName() + ": Couldn't restore variables for: " + _accountName, e);
+			return false;
+		}
+		finally
+		{
+			compareAndSetChanges(true, false);
+		}
+		return true;
+	}
+	
+	@Override
+	public boolean storeMe()
+	{
+		// No changes, nothing to store.
+		if (!hasChanges())
+		{
+			return false;
+		}
+		
+		try (Connection con = L2DatabaseFactory.getInstance().getConnection())
+		{
+			// Clear previous entries.
+			try (PreparedStatement st = con.prepareStatement(DELETE_QUERY))
+			{
+				st.setString(1, _accountName);
+				st.execute();
+			}
+			
+			// Insert all variables.
+			try (PreparedStatement st = con.prepareStatement(INSERT_QUERY))
+			{
+				st.setString(1, _accountName);
+				for (Entry<String, Object> entry : getSet().entrySet())
+				{
+					st.setString(2, entry.getKey());
+					st.setString(3, String.valueOf(entry.getValue()));
+					st.addBatch();
+				}
+				st.executeBatch();
+			}
+		}
+		catch (SQLException e)
+		{
+			_log.log(Level.WARNING, getClass().getSimpleName() + ": Couldn't update variables for: " + _accountName, e);
+			return false;
+		}
+		finally
+		{
+			compareAndSetChanges(true, false);
+		}
+		return true;
+	}
+}

trunk/java/com/l2jserver/gameserver/model/variables/NpcVariables.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2004-2014 L2J DataPack
+ * 
+ * This file is part of L2J DataPack.
+ * 
+ * L2J DataPack 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.
+ * 
+ * L2J DataPack 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.model.variables;
+
+/**
+ * @author GKR
+ */
+public class NpcVariables extends AbstractVariables
+{
+	public NpcVariables()
+	{
+	}
+	
+	@Override
+	public int getInt(String key)
+	{
+		return super.getInt(key, 0);
+	}
+	
+	@Override
+	public boolean restoreMe()
+	{
+		return true;
+	}
+	
+	@Override
+	public boolean storeMe()
+	{
+		return true;
+	}
+}

trunk/java/com/l2jserver/gameserver/model/variables/PlayerVariables.java

@@ -0,0 +1,128 @@
+/*
+ * Copyright (C) 2004-2014 L2J DataPack
+ * 
+ * This file is part of L2J DataPack.
+ * 
+ * L2J DataPack 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.
+ * 
+ * L2J DataPack 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.model.variables;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Map.Entry;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import com.l2jserver.L2DatabaseFactory;
+import com.l2jserver.gameserver.model.L2World;
+import com.l2jserver.gameserver.model.actor.instance.L2PcInstance;
+
+/**
+ * @author UnAfraid
+ */
+public class PlayerVariables extends AbstractVariables
+{
+	private static final Logger _log = Logger.getLogger(PlayerVariables.class.getName());
+	
+	// SQL Queries.
+	private static final String SELECT_QUERY = "SELECT * FROM character_variables WHERE charId = ?";
+	private static final String DELETE_QUERY = "DELETE FROM character_variables WHERE charId = ?";
+	private static final String INSERT_QUERY = "INSERT INTO character_variables (charId, var, val) VALUES (?, ?, ?)";
+	
+	private final int _objectId;
+	
+	public PlayerVariables(int objectId)
+	{
+		_objectId = objectId;
+		restoreMe();
+	}
+	
+	@Override
+	public boolean restoreMe()
+	{
+		// Restore previous variables.
+		try (Connection con = L2DatabaseFactory.getInstance().getConnection();
+			PreparedStatement st = con.prepareStatement(SELECT_QUERY))
+		{
+			st.setInt(1, _objectId);
+			try (ResultSet rset = st.executeQuery())
+			{
+				while (rset.next())
+				{
+					set(rset.getString("var"), rset.getString("val"));
+				}
+			}
+		}
+		catch (SQLException e)
+		{
+			_log.log(Level.WARNING, getClass().getSimpleName() + ": Couldn't restore variables for: " + getPlayer(), e);
+			return false;
+		}
+		finally
+		{
+			compareAndSetChanges(true, false);
+		}
+		return true;
+	}
+	
+	@Override
+	public boolean storeMe()
+	{
+		// No changes, nothing to store.
+		if (!hasChanges())
+		{
+			return false;
+		}
+		
+		try (Connection con = L2DatabaseFactory.getInstance().getConnection())
+		{
+			// Clear previous entries.
+			try (PreparedStatement st = con.prepareStatement(DELETE_QUERY))
+			{
+				st.setInt(1, _objectId);
+				st.execute();
+			}
+			
+			// Insert all variables.
+			try (PreparedStatement st = con.prepareStatement(INSERT_QUERY))
+			{
+				st.setInt(1, _objectId);
+				for (Entry<String, Object> entry : getSet().entrySet())
+				{
+					st.setString(2, entry.getKey());
+					st.setString(3, String.valueOf(entry.getValue()));
+					st.addBatch();
+				}
+				st.executeBatch();
+			}
+		}
+		catch (SQLException e)
+		{
+			_log.log(Level.WARNING, getClass().getSimpleName() + ": Couldn't update variables for: " + getPlayer(), e);
+			return false;
+		}
+		finally
+		{
+			compareAndSetChanges(true, false);
+		}
+		return true;
+	}
+	
+	public L2PcInstance getPlayer()
+	{
+		return L2World.getInstance().getPlayer(_objectId);
+	}
+}