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/**
* @file llscriptresource.cpp
* @brief LLScriptResource class implementation for managing limited resources
*
* $LicenseInfo:firstyear=2008&license=internal$
*
* Copyright (c) 2008, Linden Research, Inc.
*
* The following source code is PROPRIETARY AND CONFIDENTIAL. Use of
* this source code is governed by the Linden Lab Source Code Disclosure
* Agreement ("Agreement") previously entered between you and Linden
* Lab. By accessing, using, copying, modifying or distributing this
* software, you acknowledge that you have been informed of your
* obligations under the Agreement and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llscriptresource.h"
#include "llerror.h"
LLScriptResource::LLScriptResource()
: mTotal(0),
mUsed(0)
{
}
bool LLScriptResource::request(S32 amount /* = 1 */)
{
if (mUsed + amount <= mTotal)
{
mUsed += amount;
return true;
}
return false;
}
bool LLScriptResource::release(S32 amount /* = 1 */)
{
if (mUsed >= amount)
{
mUsed -= amount;
return true;
}
return false;
}
S32 LLScriptResource::getAvailable() const
{
if (mUsed > mTotal)
{
// It is possible after a parcel ownership change for more than total to be used
// In this case the user of this class just wants to know
// whether or not they can use a resource
return 0;
}
return (mTotal - mUsed);
}
void LLScriptResource::setTotal(S32 amount)
{
// This may cause this resource to be over spent
// such that more are in use than total allowed
// Until those resources are released getAvailable will return 0.
mTotal = amount;
}
S32 LLScriptResource::getTotal() const
{
return mTotal;
}
S32 LLScriptResource::getUsed() const
{
return mUsed;
}
bool LLScriptResource::isOverLimit() const
{
return (mUsed > mTotal);
}
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