/**
* ****************************************************************************
* Copyright (c) 2010-2016 by Min Cai (min.cai.china@gmail.com).
* <p>
* This file is part of the Archimulator multicore architectural simulator.
* <p>
* Archimulator 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.
* <p>
* Archimulator 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.
* <p>
* You should have received a copy of the GNU General Public License
* along with Archimulator. If not, see <http://www.gnu.org/licenses/>.
* ****************************************************************************
*/
package archimulator.uncore.coherence.msi.state;
/**
* Cache controller state.
*
* @author Min Cai
*/
public enum CacheControllerState {
/**
* I.
*/
I,
/**
* IS_D.
*/
IS_D,
/**
* IM_AD.
*/
IM_AD,
/**
* IM_A.
*/
IM_A,
/**
* S.
*/
S,
/**
* SM_AD.
*/
SM_AD,
/**
* SM_A.
*/
SM_A,
/**
* M.
*/
M,
/**
* MI_A.
*/
MI_A,
/**
* SI_A.
*/
SI_A,
/**
* II_A.
*/
II_A;
/**
* Get a value indicating whether the state is stable or not.
*
* @return a value indicating whether the state is stable or not.
*/
public boolean isStable() {
return this == I || this == S || this == M;
}
/**
* Get a value indicating whether the state is transient or not.
*
* @return a value indicating whether the state is transient or not
*/
public boolean isTransient() {
return !isStable();
}
}