TAO_Property_Filter Class Reference

The Ace_Property_Filter copies those properties specified in a CosTrading::Lookup::SpecifiedProps from a source CosTrading::Offer to a destination CosTrading::Offer. More...

#include <Trader_Utils.h>

Collaboration diagram for TAO_Property_Filter:

[legend]List of all members.

Public Types
typedef CosTrading::Lookup::SpecifiedProps	SPECIFIED_PROPS
Public Member Functions
	TAO_Property_Filter (void)
	An accomplice to g++'s insane lust for copy constructors.
	TAO_Property_Filter (const SPECIFIED_PROPS &desired_props)
	Verify that the specified properties are correct.
	TAO_Property_Filter (const TAO_Property_Filter &prop_filter)
TAO_Property_Filter &	operator= (const TAO_Property_Filter &prop_filter)
void	filter_offer (CosTrading::Offer *source, CosTrading::Offer &destination)
Private Types
typedef ACE_Unbounded_Queue< CosTrading::Property * >	Prop_Queue
Private Attributes
TAO_String_Set	props_
CosTrading::Lookup::HowManyProps	policy_

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Detailed Description

The Ace_Property_Filter copies those properties specified in a CosTrading::Lookup::SpecifiedProps from a source CosTrading::Offer to a destination CosTrading::Offer.

Definition at line 697 of file Trader_Utils.h.

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Member Typedef Documentation

typedef ACE_Unbounded_Queue< CosTrading::Property* > TAO_Property_Filter::Prop_Queue [private]

Definition at line 719 of file Trader_Utils.h.

typedef CosTrading::Lookup::SpecifiedProps TAO_Property_Filter::SPECIFIED_PROPS

Definition at line 701 of file Trader_Utils.h.

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Constructor & Destructor Documentation

TAO_Property_Filter::TAO_Property_Filter

(

void

)

[inline]

An accomplice to g++'s insane lust for copy constructors.

Definition at line 704 of file Trader_Utils.h.

: policy_ (CosTrading::Lookup::all) {}

TAO_Property_Filter::TAO_Property_Filter

(

const SPECIFIED_PROPS &

desired_props

)

Verify that the specified properties are correct.

Definition at line 1359 of file Trader_Utils.cpp.

References TAO_Trader_Base::is_valid_property_name(), CosTrading::Lookup::SpecifiedProps::prop_names, and CosTrading::Lookup::some.

  : policy_  (desired_props._d ())
{
  if (this->policy_ == CosTrading::Lookup::some)
    {
      const CosTrading::PropertyNameSeq&
        prop_seq = desired_props.prop_names ();
      int length = prop_seq.length ();

      for (int i = 0; i < length; i++)
        {
          const char* pname = prop_seq[i];

          // Check for errors or duplicates
          if (TAO_Trader_Base::is_valid_property_name (pname))
            {
              CORBA::String_var prop_name (pname);
              if (this->props_.insert (prop_name) == 1)
                throw CosTrading::DuplicatePropertyName (pname);
            }
          else
            throw CosTrading::IllegalPropertyName (pname);
        }
    }
}

TAO_Property_Filter::TAO_Property_Filter

(

const TAO_Property_Filter &

prop_filter

)

Definition at line 1386 of file Trader_Utils.cpp.

  : props_ (prop_filter.props_),
    policy_ (prop_filter.policy_)
{
}

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Member Function Documentation

void TAO_Property_Filter::filter_offer	(	CosTrading::Offer *	source,
		CosTrading::Offer &	destination
	)

Copy the desired properties from the source offer to the destination offer.

Definition at line 1402 of file Trader_Utils.cpp.

References CORBA::Object::_duplicate(), CosTrading::Lookup::all, ACE_Unbounded_Queue< T >::enqueue_tail(), CosTrading::Offer::properties, CosTrading::Offer::reference, ACE_Unbounded_Queue< T >::size(), and CosTrading::Lookup::some.

Referenced by TAO_Lookup< TRADER_LOCK_TYPE, MAP_LOCK_TYPE >::fill_receptacles(), TAO_Register_Offer_Iterator< MAP_LOCK_TYPE >::next_n(), and TAO_Query_Only_Offer_Iterator::next_n().

{
  Prop_Queue prop_queue;
  CosTrading::PropertySeq& s_props = source->properties;
  CosTrading::PropertySeq& d_props = destination.properties;
  CORBA::ULong length = static_cast<CORBA::ULong> (s_props.length ()),
               elem = 0;

  destination.reference = CORBA::Object::_duplicate (source->reference.in ());
  if (this->policy_ == CosTrading::Lookup::some)
    {
      for (CORBA::ULong i = 0; i < length; i++)
        {
          if (this->policy_ == CosTrading::Lookup::all)
            prop_queue.enqueue_tail (&s_props[i]);
          else
            {
              const char* p_name = s_props[i].name;
              CORBA::String_var prop_name (p_name);

              // Save those property that match.
              if (this->props_.find (prop_name) == 0)
                prop_queue.enqueue_tail (&s_props[i]);
            }
        }

      // Shove the matched properties into the destination property
      // sequence.
      length = static_cast<CORBA::ULong> (prop_queue.size ());
      d_props.length (length);
      for (Prop_Queue::ITERATOR prop_iter (prop_queue);
           ! prop_iter.done ();
           prop_iter.advance (), elem++)
        {
          CosTrading::Property** prop_ptr = 0;

          prop_iter.next (prop_ptr);
          d_props[elem] = **prop_ptr;
        }
    }
  else if (this->policy_ == CosTrading::Lookup::all)
    //      CosTrading::Property* props = s_props.get_buffer (0);
    //      d_props.replace (length, length, props, 0);
    d_props = s_props;
}

TAO_Property_Filter & TAO_Property_Filter::operator=

(

const TAO_Property_Filter &

prop_filter

)

Definition at line 1393 of file Trader_Utils.cpp.

References policy_, and props_.

{
  this->props_ = other.props_;
  this->policy_ = other.policy_;

  return *this;
}

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Member Data Documentation

CosTrading::Lookup::HowManyProps TAO_Property_Filter::policy_ [private]

Definition at line 722 of file Trader_Utils.h.

Referenced by operator=().

TAO_String_Set TAO_Property_Filter::props_ [private]

Definition at line 721 of file Trader_Utils.h.

Referenced by operator=().

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The documentation for this class was generated from the following files:

• Trader_Utils.h
• Trader_Utils.cpp

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