/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright 2001-2002 Sun Microsystems, Inc.  All rights reserved.

 * Use is subject to license terms.

 */

package com.sun.wbem.solarisprovider.srm;

import javax.wbem.cim.*;

import javax.wbem.client.*;

import javax.wbem.provider.*;

import java.util.Enumeration;

import java.util.Iterator;

import java.util.Vector;

/**

 * Provider of the Solaris_ProcessStatistics class. This class represents

 * an association linking a Solaris_Process and its

 * Solaris_ProcessStatisticalInformation instance a raw resource utilization

 * measurements for a process.

 * @author Sun Microsystems, Inc.

 */

public class Solaris_ProcessStatistics extends SRMProvider {

    /**

     * The name of the provider implemented by this class

     */

    String providerName = SOLARIS_PROCESSSTATISTICS;

    private DataModel dm;

    /**

     * Get the name of the provider implemented by this class.

     * @returns String provider name

     */

    protected String getProviderName() {

	return providerName;

    }

    /**

     * Returns a specific instance.

     * @param op - the name of the instance to be retrieved. This must include

     * all of the keys and values for the instance.

     * @param localOnly - if true, only the local properties of the class are

     * returned, otherwise all properties are required

     * @param includeQualifiers - if true, the qualifiers are returned as part

     * of of the returned instancei, otherwise no qualifiers will be returned

     * @param includeClassOrigin - if true, the class origin of each property

     * will be returned

     * @param String[] - if null, all properties are returned, otherwise only

     * the properties specified will be returned. Any duplicate properties will

     * be ignored.

     * @param cc - the class reference

     *

     * @return	CIMInstance the retrieved instance.

     * @exception CIMException - the method getInstance throws a CIMException

     * if the CIMObjectPath is incorrect or does not exist.

     */

    public synchronized  CIMInstance getInstance(CIMObjectPath op,

				   boolean localOnly,

				   boolean includeQualifiers,

				   boolean includeClassOrigin,

				   String[] propList,

				   CIMClass cc)

	    throws CIMException {

	CIMObjectPath procstatCOP = null;

	CIMObjectPath procCOP = null;

	CIMInstance ci = null;

	CIMProperty cp = null;

	SRMDebug.trace(SRMDebug.METHOD_CALL, op.toString());		

	try {

	    Enumeration e = op.getKeys().elements();

	    while (e.hasMoreElements()) {

		cp = (CIMProperty) e.nextElement();

		if (cp.getName().equalsIgnoreCase(ELEMENT)) {

		    procCOP = (CIMObjectPath)((CIMValue)(cp.getValue())).

			getValue();

		}

		if (cp.getName().equalsIgnoreCase(STATS)) {

		    procstatCOP = (CIMObjectPath)((CIMValue)(cp.getValue())).

			getValue();

		}

	    }

	    ci = cc.newInstance();

	    ci.setProperty(ELEMENT, new CIMValue(procCOP));

	    ci.setProperty(STATS, new CIMValue(procstatCOP));

	} catch (Exception e) {

	    String msg = writeLog(LOGERROR, "SRM_1001");

	    writeLog(LOGERROR, e);

	    msg += " (" + e.getClass().toString() + ")";

	    SRMDebug.trace1(providerName, e);	

	    throw new CIMException(CIMException.CIM_ERR_FAILED, msg);

	}

    	SRMDebug.trace(SRMDebug.METHOD_RETV, ci.toString());

	return ci;

    } // end getInstance

    /**

     * Returns all instances of Solaris_ProcessStatistics.

     * @param op - the object path specifies the class to be enumerated

     * localOnly - if true, only the local properties of the class are returned,

     * otherwise all properties are required

     * @param includeQualifiers - if true, the qualifiers are returned as part

     * of of the returned instancei, otherwise no qualifiers will be returned

     * @param includeClassOrigin - if true, the class origin of each property

     * will be returned

     * @param String[] - if null, all properties are returned, otherwise only

     * the properties specified will be

     * returned. Any duplicate properties will be ignored.

     * @param cc - the class reference

     * @return An array of CIMInstance

     * @exception CIMException - if the CIMObjectPath is incorrect or does not

     * exist.

     */

    public synchronized  CIMInstance[] enumerateInstances(CIMObjectPath op,

					    boolean localOnly,

					    boolean includeQualifiers,

					    boolean includeClassOrigin,

					    String[] propList,

					    CIMClass cc)

	    throws CIMException {

	Vector installedElements = new Vector();

	ProcessDataModel pdm;

	CIMObjectPath procstatCOP;

	CIMObjectPath procCOP;

	CIMInstance ci;

    	DataModel   dm = null;

	SRMDebug.trace(SRMDebug.METHOD_CALL, op.toString());		

	try {

	    dm = resourceMonitor.getDataModel(false);

	    Iterator i = dm.getProcessIterator();

	    while (i.hasNext()) {

		pdm = (ProcessDataModel)i.next();

		procstatCOP  = pdm.getCIMObjectPath(

		    SOLARIS_PROCESSSTATISTICALINFORMATION);

		procCOP = pdm.getCIMObjectPathForProc();

		ci = cc.newInstance();

		ci.setProperty(ELEMENT, new CIMValue(procCOP));

		ci.setProperty(STATS, new CIMValue(procstatCOP));

		installedElements.addElement(ci);

	    }

	    dm = resourceMonitor.releaseDataModel(dm);

	} catch (Exception e) {

	    dm = resourceMonitor.releaseDataModel(dm);

            String msg = writeLog(LOGERROR, "SRM_1002");

	    writeLog(LOGERROR, e);

	    msg += " (" + e.getClass().toString() + ")";

	    SRMDebug.trace1(providerName, e);	

	    throw new CIMException(CIMException.CIM_ERR_FAILED, msg);

    	}

	CIMInstance[] ciArray = new CIMInstance[installedElements.size()];

	installedElements.toArray(ciArray);

	SRMDebug.trace(SRMDebug.METHOD_RETV, "instance[0]: "

	    + (String)(ciArray.length > 0 ? ciArray[0].toString() : "null"));

        return ciArray;

    } // end enumerateInstances

    /**

     * Returns the names of all Solaris_ProcessUtilizationInformation instances.

     *

     * @param op - the class name to enumerate the instances

     * @param cc - the class reference passed to the provider

     * @return an array of CIMObjectPath containing names of the enumerated

     * instances.

     * @exception CIMException - if the classname is null or does not exist.

     */

    public synchronized  CIMObjectPath[]

    	    enumerateInstanceNames(CIMObjectPath op, CIMClass cc)

	    throws CIMException {

	Vector installedElements = new Vector();

	ProcessDataModel pdm;

	CIMObjectPath procstatCOP;

	CIMObjectPath procCOP;

	CIMObjectPath cop;

	SRMDebug.trace(SRMDebug.METHOD_CALL, op.toString());		

	try {

	    dm = resourceMonitor.getDataModel(false);

	    Iterator i = dm.getProcessIterator();

	    while (i.hasNext()) {

		pdm = (ProcessDataModel) i.next();

		procstatCOP  = pdm.getCIMObjectPath(

		    SOLARIS_PROCESSSTATISTICALINFORMATION);

		procCOP = pdm.getCIMObjectPathForProc();

		cop = new CIMObjectPath(op.getObjectName(),

		op.getNameSpace());

		cop.addKey(ELEMENT, new CIMValue(procCOP));

		cop.addKey(STATS, new CIMValue(procstatCOP));

		installedElements.add(cop);

	    }

	    dm = resourceMonitor.releaseDataModel(dm);

	} catch (Exception e) {

	    dm = resourceMonitor.releaseDataModel(dm);

	    String msg = writeLog(LOGERROR, "SRM_1003");

	    writeLog(LOGERROR, e);

	    msg += " (" + e.getClass().toString() + ")";

	    SRMDebug.trace1(providerName, e);	

	    throw new CIMException(CIMException.CIM_ERR_FAILED, msg);

    	}

	CIMObjectPath[] copArray = new CIMObjectPath[installedElements.size()];

	installedElements.toArray(copArray);

	SRMDebug.trace(SRMDebug.METHOD_RETV, "instanceName[0]: "

	    + (String)(copArray.length > 0 ? copArray[0].toString() : "null"));

        return copArray;

    } // end enumerateInstanceNames

} // end class Solaris_ProcessStatistics