oshi.driver.windows.wmi.Win32Fan Maven / Gradle / Ivy
/**
* MIT License
*
* Copyright (c) 2010 - 2020 The OSHI Project Contributors: https://github.com/oshi/oshi/graphs/contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package oshi.driver.windows.wmi;
import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiQuery; //NOSONAR squid:S1191
import com.sun.jna.platform.win32.COM.WbemcliUtil.WmiResult;
import oshi.annotation.concurrent.ThreadSafe;
import oshi.util.platform.windows.WmiQueryHandler;
/**
* Utility to query WMI class {@code Win32_Fan}
*/
@ThreadSafe
public final class Win32Fan {
private static final String WIN32_FAN = "Win32_Fan";
/**
* Fan speed property.
*/
public enum SpeedProperty {
DESIREDSPEED;
}
private Win32Fan() {
}
/**
* Queries the fan speed.
*
* @return Currently requested fan speed, defined in revolutions per minute,
* when a variable speed fan is supported.
*/
public static WmiResult querySpeed() {
WmiQuery fanQuery = new WmiQuery<>(WIN32_FAN, SpeedProperty.class);
return WmiQueryHandler.createInstance().queryWMI(fanQuery);
}
}