135 lines
3.6 KiB
Java
135 lines
3.6 KiB
Java
/*
|
|
* Copyright (C) 2004-2015 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 com.l2jserver.gameserver.model.StatsSet;
|
|
import com.l2jserver.gameserver.model.interfaces.IDeletable;
|
|
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, IDeletable
|
|
{
|
|
private final AtomicBoolean _hasChanges = new AtomicBoolean(false);
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
|
|
/**
|
|
* Put's entry to the variables and marks as changed if required (<i>Useful when restoring to do not save them again</i>).
|
|
* @param name
|
|
* @param value
|
|
* @param markAsChanged
|
|
*/
|
|
public final void set(String name, String value, boolean markAsChanged)
|
|
{
|
|
if (markAsChanged)
|
|
{
|
|
_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);
|
|
}
|
|
}
|