package javax.megaco.association;



import javax.megaco.AssociationEvent;

import javax.megaco.ErrorCode;



import javax.megaco.MethodInvocationException;

import javax.megaco.ReturnStatus;



public class AssociationConfigResp extends AssociationEvent {



	protected ReturnStatus eventStatus = null;

	protected ErrorCode errorCode = null;



	public AssociationConfigResp(Object source, int assocHandle)

			throws IllegalArgumentException {

		super(source, assocHandle);

		// TODO Auto-generated constructor stub

	}



	@Override

	public int getAssocOperIdentifier() {

		return AssocEventType.M_ASSOC_CONFIG_RESP;

	}



	/**

	 * This method returns whether the execution of create association request

	 * was success or not.

	 * 

	 * @return Returns an integer value that identifies whether the association

	 *         configuration event issued earlier could be performed successfuly

	 *         or not. The values are field constants defined in class

	 *         ReturnStatus. If the returnStatus is not set, then this method

	 *         would return value null.

	 */

	public final ReturnStatus getEventStatus() {

		//return eventStatus == null ? 0 : eventStatus.getReturnStatus();

		return eventStatus;

	}



	/**

	 * This method sets the status of whether the execution of the association

	 * configuration request was success or not.

	 * 

	 * @param returnStatus

	 *            - The return status of the processing of the association

	 *            configuration event. The static object corresponding to the

	 *            return status which are one of the derived classes of the

	 *            ReturnStatus shall be set.

	 * @throws IllegalArgumentException

	 *             This exception is raised if the reference of Return Status

	 *             passed to this method is NULL.

	 */

	public final void setEventStatus(ReturnStatus returnStatus)

			throws IllegalArgumentException {

		if (returnStatus == null)

			throw new IllegalArgumentException("Event status can not be null.");



		this.eventStatus = returnStatus;

	}



	/**

	 * This method returns the error code qualifying why the association

	 * configuration event could not be processed successfuly.

	 * 

	 * @return Returns an integer value that identifies the error code

	 *         specifying why the execution of the association configuration

	 *         event could not be successful. The possible values are field

	 *         constants defined for the class ErrorCode. If the error code is

	 *         not set, then this method would return value 0.

	 * 

	 * @throws IllegalStateException

	 *             - This exception would be raised if the return status is set

	 *             to M_SUCCESS, the error code is not set and hence should not

	 *             invoke this method.

	 */

	public final ErrorCode getErrorCode() throws IllegalStateException {

		if (getEventStatus() == null || getEventStatus().getReturnStatus() ==ReturnStatus.M_SUCCESS) {

			throw new IllegalStateException(

					"Event status is success, error code is not premited.");

		}

		//return errorCode == null ? 0 : errorCode.getErrorCode();

		return errorCode;

	}



	/**

	 *     This method sets the error code specifying why the association configuration event could not be executed successfuly.

	 * 

	 * @param errorCode

	 *                The error code corresponding to why the association configuration event could not be executed successfuly.

	 * @throws IllegalArgumentException

	 *             This exception would be raised in following conditions <br>

	 *             1. If the return status is not set to M_FAILURE, the error

	 *             code should not be set. <br>

	 *             2. If the error code object passed to this method is set to

	 *             NULL.

	 */

	public final void setErrorCode(ErrorCode errorCode)

			throws IllegalArgumentException {

		if (errorCode == null)

			throw new IllegalArgumentException("Error code can not be null.");

		if (getEventStatus()==null || getEventStatus().getReturnStatus() != ReturnStatus.M_FAILURE) {

			throw new IllegalArgumentException(

					"Event status is not failure, error code is not premited.");

		}

		this.errorCode = errorCode;

	}



}