cryo dev shield

#ifndef _DEVIOCRYOCOOLHEADWIN_H_

#define _DEVIOCRYOCOOLHEADWIN_H_

/** **************************************************************************************************** */

/* IRA Istituto di Radioastronomia                                                                      */

/*                                                                                                      */

/* This code is under GNU General Public Licence (GPL).                                                 */

/*                                                                                                      */

/* Who                                when            What                                              */

/* Andrea Orlati(aorlati@ira.inaf.it) 19/08/2011     Creation                                         */

#include <baciDevIO.h>

#include <IRA>

#include "Commons.h"

/**

 * This class is derived from template DevIO and it is used by the cryoTemparatureCoolHeadWindow  property of the  component.

 * @author <a href=mailto:a.orlati@ira.inaf.it>Andrea Orlati</a>,

 * Istituto di Radioastronomia, Italia<br>

*/

class DevIOCryoTemperatureShield : public DevIO<CORBA::Double>

{

public:

	/**

	 * Constructor

	 * @param core pointer to the boss core

	*/

	DevIOCryoTemperatureShield(CComponentCore* core) :  m_pCore(core)

	{

		AUTO_TRACE("DevIOCryoTemperatureShield::DevIOCryoTemperatureShield()");

	}

	/**

	 * Destructor

	*/

	~DevIOCryoTemperatureShield()

	{

		ACS_TRACE("DevIOCryoTemperatureShield::~DevIOCryoTemperatureShield()");

	}

	/**

	 * @return true to initialize the property with default value from CDB.

	*/

	bool initializeValue()

	{

		AUTO_TRACE("DevIOCryoTemperatureShield::initializeValue()");

		return true; // initialize with the default in order to avoid the alarm system when the component start and the value has not been read at least once

	}

	/**

	 * Used to read the property value.

	 * @param timestamp epoch when the operation completes

	*/

	CORBA::Double read(ACS::Time& timestamp) throw (ACSErr::ACSbaseExImpl)

	{

      BoardValue result = m_pCore->getShieldTemperature();

      m_val = result.temperature;

      timestamp = result.timestamp;

		return m_val;

	}

	/**

	 * It writes values into controller. Unused because the properties are read-only.

	*/

	void write(const CORBA::Double& value, ACS::Time& timestamp) throw (ACSErr::ACSbaseExImpl)

	{

		timestamp=getTimeStamp();

		return;

	}

private:

	CComponentCore* m_pCore;

	double  m_val;

};

#endif