Java ServantAlreadyActive类代码示例

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
/**
 * <code>activate_object</code>
 * <b>Section 3.3.8.14</b>
 */
public byte[] activate_object(Servant servant)
    throws ServantAlreadyActive, WrongPolicy
{
    try {
        lock() ;

        if (debug) {
            ORBUtility.dprint( this,
                "Calling activate_object on poa " + this +
                " (servant=" + servant + ")" ) ;
        }

        // Allocate a new system-generated object-id.
        // This will throw WrongPolicy if not SYSTEM_ID
        // policy.
        byte[] id = mediator.newSystemId();

        try {
            mediator.activateObject( id, servant ) ;
        } catch (ObjectAlreadyActive oaa) {
            // This exception can not occur in this case,
            // since id is always brand new.
            //
        }

        return id ;
    } finally {
        if (debug) {
            ORBUtility.dprint( this,
                "Exiting activate_object on poa " + this ) ;
        }

        unlock() ;
    }
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
/**
 * <code>activate_object_with_id</code>
 * <b>Section 3.3.8.15</b>
 */
public void activate_object_with_id(byte[] id,
                                                 Servant servant)
    throws ObjectAlreadyActive, ServantAlreadyActive, WrongPolicy
{
    try {
        lock() ;

        if (debug) {
            ORBUtility.dprint( this,
                "Calling activate_object_with_id on poa " + this +
                " (servant=" + servant + " id=" + id + ")" ) ;
        }

        // Clone the id to avoid possible errors due to aliasing
        // (e.g. the client passes the id in and then changes it later).
        byte[] idClone = (byte[])(id.clone()) ;

        mediator.activateObject( idClone, servant ) ;
    } finally {
        if (debug) {
            ORBUtility.dprint( this,
                "Exiting activate_object_with_id on poa " + this ) ;
        }

        unlock() ;
    }
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
public final void activateObject(byte[] id, Servant servant)
    throws WrongPolicy, ServantAlreadyActive, ObjectAlreadyActive
{
    if (isUnique && activeObjectMap.contains(servant))
        throw new ServantAlreadyActive();
    ActiveObjectMap.Key key = new ActiveObjectMap.Key( id ) ;

    AOMEntry entry = activeObjectMap.get( key ) ;

    // Check for an ObjectAlreadyActive error
    entry.activateObject() ;
    activateServant( key, entry, servant ) ;
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
/**
 * Generate the Object Id for the given servant and add the servant to the
 * Active Object Map using this Id a a key. If the servant activator is set,
 * its incarnate method will be called.
 *
 * @param a_servant a servant that would serve the object with the returned
 * Object Id. If null is passed, under apporoprate policies the servant
 * activator is invoked.
 *
 * @return the generated objert Id for the given servant.
 *
 * @throws ServantAlreadyActive if this servant is already in the Active
 * Object Map and the UNIQUE_ID policy applies.
 *
 * @throws WrongPolicy if the required policies SYSTEM_ID and RETAIN do not
 * apply to this POA.
 */
public byte[] activate_object(Servant a_servant)
  throws ServantAlreadyActive, WrongPolicy
{
  checkDiscarding();
  required(ServantRetentionPolicyValue.RETAIN);
  required(IdAssignmentPolicyValue.SYSTEM_ID);

  AOM.Obj exists = aom.findServant(a_servant);

  if (exists != null)
    {
      if (exists.isDeactiveted())
        {
          // If exists but deactivated, activate and return
          // the existing key.
          exists.setDeactivated(false);
          incarnate(exists, exists.key, a_servant, false);
          return exists.key;
        }
      else if (applies(IdUniquenessPolicyValue.UNIQUE_ID))
        throw new ServantAlreadyActive();

      // It multiple ids are allowed, exit block allowing repetetive
      // activations.
    }

  byte[] object_key = AOM.getFreeId();
  ServantDelegateImpl delegate = new ServantDelegateImpl(a_servant, this,
    object_key);
  create_and_connect(object_key,
    a_servant._all_interfaces(this, object_key)[0], delegate);
  return object_key;
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
/**
 * Returns the id of the object, served by the given servant (assuming that
 * the servant serves only one object). The id is found in one of the
 * following ways.
 * <ul>
 * <li>If the POA has both the RETAIN and the UNIQUE_ID policy and the
 * specified servant is active, the method return the Object Id associated
 * with that servant. </li>
 * <li> If the POA has both the RETAIN and the IMPLICIT_ACTIVATION policy and
 * either the POA has the MULTIPLE_ID policy or the specified servant is
 * inactive, the method activates the servant using a POA-generated Object Id
 * and the Interface Id associated with the servant, and returns that Object
 * Id. </li>
 * <li>If the POA has the USE_DEFAULT_SERVANT policy, the servant specified
 * is the default servant, and the method is being invoked in the context of
 * executing a request on the default servant, the method returns the ObjectId
 * associated with the current invocation. </li>
 * </ul>
 *
 * @throws ServantNotActive in all cases, not listed in the list above.
 * @throws WrongPolicy The method requres USE_DEFAULT_SERVANT policy or a
 * combination of the RETAIN policy and either the UNIQUE_ID or
 * IMPLICIT_ACTIVATION policies and throws the WrongPolicy if these conditions
 * are not satisfied.
 */
public byte[] servant_to_id(Servant the_Servant)
                     throws ServantNotActive, WrongPolicy
{
  if (applies(RequestProcessingPolicyValue.USE_DEFAULT_SERVANT) ||
      applies(ServantRetentionPolicyValue.RETAIN) &&
      (
        applies(IdUniquenessPolicyValue.UNIQUE_ID) ||
        applies(ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION)
      )
     )
    {
      AOM.Obj ref = null;
      if (!applies(IdUniquenessPolicyValue.MULTIPLE_ID))
        ref = aom.findServant(the_Servant);
      if (ref == null &&
          applies(ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION)
         )
        {
          // Try to activate.
          try
            {
              return activate_object(the_Servant);
            }
          catch (ServantAlreadyActive ex)
            {
              // Either it shuld not be or the policy allows multiple ids.
              throw new InternalError();
            }
        }
      if (ref == null)
        throw new ServantNotActive();
      else
        return ref.key;
    }
  else
    throw new WrongPolicy("(RETAIN and UNIQUE ID) " +
                          "or USE_DEFAULT_SERVANT required."
                         );
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
/**
 * Generate the Object Id for the given servant and add the servant to the
 * Active Object Map using this Id a a key. If the servant activator is set,
 * its incarnate method will be called.
 * 
 * @param a_servant a servant that would serve the object with the returned
 * Object Id. If null is passed, under apporoprate policies the servant
 * activator is invoked.
 * 
 * @return the generated objert Id for the given servant.
 * 
 * @throws ServantAlreadyActive if this servant is already in the Active
 * Object Map and the UNIQUE_ID policy applies.
 * 
 * @throws WrongPolicy if the required policies SYSTEM_ID and RETAIN do not
 * apply to this POA.
 */
public byte[] activate_object(Servant a_servant)
  throws ServantAlreadyActive, WrongPolicy
{
  checkDiscarding();
  required(ServantRetentionPolicyValue.RETAIN);
  required(IdAssignmentPolicyValue.SYSTEM_ID);

  AOM.Obj exists = aom.findServant(a_servant);

  if (exists != null)
    {
      if (exists.isDeactiveted())
        {
          // If exists but deactivated, activate and return
          // the existing key.
          exists.setDeactivated(false);
          incarnate(exists, exists.key, a_servant, false);
          return exists.key;
        }
      else if (applies(IdUniquenessPolicyValue.UNIQUE_ID))
        throw new ServantAlreadyActive();

      // It multiple ids are allowed, exit block allowing repetetive
      // activations.
    }

  byte[] object_key = AOM.getFreeId();
  ServantDelegateImpl delegate = new ServantDelegateImpl(a_servant, this,
    object_key);
  create_and_connect(object_key,
    a_servant._all_interfaces(this, object_key)[0], delegate);
  return object_key;
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
/**
 * Returns the id of the object, served by the given servant (assuming that
 * the servant serves only one object). The id is found in one of the
 * following ways.
 * <ul>
 * <li>If the POA has both the RETAIN and the UNIQUE_ID policy and the
 * specified servant is active, the method return the Object Id associated
 * with that servant. </li>
 * <li> If the POA has both the RETAIN and the IMPLICIT_ACTIVATION policy and
 * either the POA has the MULTIPLE_ID policy or the specified servant is
 * inactive, the method activates the servant using a POA-generated Object Id
 * and the Interface Id associated with the servant, and returns that Object
 * Id. </li>
 * <li>If the POA has the USE_DEFAULT_SERVANT policy, the servant specified
 * is the default servant, and the method is being invoked in the context of
 * executing a request on the default servant, the method returns the ObjectId
 * associated with the current invocation. </li>
 * </ul>
 * 
 * @throws ServantNotActive in all cases, not listed in the list above.
 * @throws WrongPolicy The method requres USE_DEFAULT_SERVANT policy or a
 * combination of the RETAIN policy and either the UNIQUE_ID or
 * IMPLICIT_ACTIVATION policies and throws the WrongPolicy if these conditions
 * are not satisfied.
 */
public byte[] servant_to_id(Servant the_Servant)
                     throws ServantNotActive, WrongPolicy
{
  if (applies(RequestProcessingPolicyValue.USE_DEFAULT_SERVANT) ||
      applies(ServantRetentionPolicyValue.RETAIN) &&
      (
        applies(IdUniquenessPolicyValue.UNIQUE_ID) ||
        applies(ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION)
      )
     )
    {
      AOM.Obj ref = null;
      if (!applies(IdUniquenessPolicyValue.MULTIPLE_ID))
        ref = aom.findServant(the_Servant);
      if (ref == null &&
          applies(ImplicitActivationPolicyValue.IMPLICIT_ACTIVATION)
         )
        {
          // Try to activate.
          try
            {
              return activate_object(the_Servant);
            }
          catch (ServantAlreadyActive ex)
            {
              // Either it shuld not be or the policy allows multiple ids.
              throw new InternalError();
            }
        }
      if (ref == null)
        throw new ServantNotActive();
      else
        return ref.key;
    }
  else
    throw new WrongPolicy("(RETAIN and UNIQUE ID) " +
                          "or USE_DEFAULT_SERVANT required."
                         );
}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
public static void main(String[] args) throws InvalidName, ServantAlreadyActive, WrongPolicy, ObjectNotActive, FileNotFoundException, AdapterInactive {

		ORB orb = ORB.init(args, null);
		POA rootPOA = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
		
		ServerStationImpl spvmServerStation = new ServerStationImpl("SPVM", 15140);
		byte[] id1 = rootPOA.activate_object(spvmServerStation);
		org.omg.CORBA.Object ref1 = rootPOA.id_to_reference(id1);
		String ior1 = orb.object_to_string(ref1);
		System.out.println(ior1);
		PrintWriter file1 = new PrintWriter("spvm_ior.txt");
		file1.println(ior1);
		file1.close();
		
		
		ServerStationImpl splServerStation = new ServerStationImpl("SPL", 14500);
		byte[] id2 = rootPOA.activate_object(splServerStation);
		org.omg.CORBA.Object ref2 = rootPOA.id_to_reference(id2);
		String ior2 = orb.object_to_string(ref2);
		System.out.println(ior2);
		PrintWriter file2 = new PrintWriter("spl_ior.txt");
		file2.println(ior2);
		file2.close();
		
		ServerStationImpl spbServerStation = new ServerStationImpl("SPB", 15790);
		byte[] id3 = rootPOA.activate_object(spbServerStation);
		org.omg.CORBA.Object ref3 = rootPOA.id_to_reference(id3);
		String ior3 = orb.object_to_string(ref3);
		System.out.println(ior3);
		PrintWriter file3 = new PrintWriter("spb_ior.txt");
		file3.println(ior3);
		file3.close();
		
		rootPOA.the_POAManager().activate();
		orb.run();

	}
 

import org.omg.PortableServer.POAPackage.ServantAlreadyActive; //导入依赖的package包/类
public final void activateObject(byte[] id, Servant servant)
    throws WrongPolicy, ServantAlreadyActive, ObjectAlreadyActive
{
    throw new WrongPolicy();
}