import org.omg.CORBA.*;
import org.omg.PortableServer.*;
//import org.omg.PortableServer.POAPackage.*;
public class PoaUtil
{
	public static POA create_basic_POA(
			POA 				parentPOA,
			POAManager			POAManager,
			String				POAName,
			boolean				isMultiThread,
			boolean				isPersistent)

			throws	org.omg.PortableServer.POAPackage.InvalidPolicy, 
					org.omg.PortableServer.POAPackage.AdapterAlreadyExists
	{
		Policy policies[] = new Policy[3];
		int i = 0;
		ThreadPolicyValue threadPolicy = null;
		if (isMultiThread)
		{
			threadPolicy = ThreadPolicyValue.ORB_CTRL_MODEL;
		} else
		{
			threadPolicy = ThreadPolicyValue.SINGLE_THREAD_MODEL;
		}
		policies[i] = parentPOA.create_thread_policy(threadPolicy);

		LifespanPolicyValue lifespanPolicy = null;
		IdAssignmentPolicyValue idAssignPolicy = null;

		if (isPersistent)
		{
			lifespanPolicy = LifespanPolicyValue.PERSISTENT;
			idAssignPolicy = IdAssignmentPolicyValue.USER_ID;
		} else
		{
			lifespanPolicy = LifespanPolicyValue.TRANSIENT;
			idAssignPolicy = IdAssignmentPolicyValue.SYSTEM_ID;
		}
		policies[++i] = parentPOA.create_lifespan_policy(lifespanPolicy);
		policies[++i] = parentPOA.create_id_assignment_policy(idAssignPolicy);

		/*
			Using the default values for:
				IdUniqueness Policy			UNIQUE_ID
				ImplicitActivation			NO_IMPLICIT_ACTIVATION
				RequestProcessing			USE_ACTIVE_OBJECT_MAP_ONLY
				ServantRetention			RETAIN
		*/

		return parentPOA.create_POA(POAName, POAManager, policies);
	}
			


}