OpenDDS::DCPS::FilterEvaluator::SerializedForEval Struct Reference

Inheritance diagram for OpenDDS::DCPS::FilterEvaluator::SerializedForEval:

Collaboration diagram for OpenDDS::DCPS::FilterEvaluator::SerializedForEval:

Public Member Functions
	SerializedForEval (ACE_Message_Block *data, const TypeSupportImpl &type_support, const DDS::StringSeq &params, Encoding encoding)
Value	lookup (const char *field) const
	OPENDDS_MAP (OPENDDS_STRING, Value) cache_
Public Member Functions inherited from OpenDDS::DCPS::FilterEvaluator::DataForEval
	DataForEval (const MetaStruct &meta, const DDS::StringSeq &params)
virtual	~DataForEval ()

Public Attributes
ACE_Message_Block *	serialized_
Encoding	encoding_
const TypeSupportImpl &	type_support_
Extensibility	exten_
Public Attributes inherited from OpenDDS::DCPS::FilterEvaluator::DataForEval
const MetaStruct &	meta_
const DDS::StringSeq &	params_

Detailed Description

Definition at line 164 of file FilterEvaluator.h.

Constructor & Destructor Documentation

SerializedForEval()

OpenDDS::DCPS::FilterEvaluator::SerializedForEval::SerializedForEval	(	ACE_Message_Block *	data,
		const TypeSupportImpl &	type_support,
		const DDS::StringSeq &	params,
		Encoding	encoding
	)

Definition at line 121 of file FilterEvaluator.cpp.

  : DataForEval(type_support.getMetaStructForType(), params)
  , serialized_(data)
  , encoding_(encoding)
  , type_support_(type_support)
  , exten_(type_support.base_extensibility())
{}

Member Function Documentation

lookup()

Value OpenDDS::DCPS::FilterEvaluator::SerializedForEval::lookup ( const char *  field ) const

virtual

Implements OpenDDS::DCPS::FilterEvaluator::DataForEval.

Definition at line 133 of file FilterEvaluator.cpp.

References ACE_ERROR, ACE_TEXT(), ACE_Message_Block::duplicate(), OpenDDS::STUN::encoding(), encoding_, exten_, OpenDDS::DCPS::MetaStruct::getValue(), OpenDDS::DCPS::Encoding::is_encapsulated(), LM_ERROR, OpenDDS::DCPS::FilterEvaluator::DataForEval::meta_, OPENDDS_MAP(), OPENDDS_STRING, serialized_, OpenDDS::DCPS::EncapsulationHeader::to_encoding(), and type_support_.

{
  const OPENDDS_MAP(OPENDDS_STRING, Value)::const_iterator iter = cache_.find(field);
  if (iter != cache_.end()) {
    return iter->second;
  }
  Message_Block_Ptr mb(serialized_->duplicate());
  Serializer ser(mb.get(), encoding_);
  if (encoding_.is_encapsulated()) {
    EncapsulationHeader encap;
    if (!(ser >> encap)) {
      ACE_ERROR((LM_ERROR, ACE_TEXT("(%P|%t) ERROR ")
        ACE_TEXT("FilterEvaluator::SerializedForEval::lookup: ")
        ACE_TEXT("deserialization of encapsulation header failed.\n")));
      throw std::runtime_error("FilterEvaluator::SerializedForEval::lookup:"
        "deserialization of encapsulation header failed.\n");
    }
    Encoding encoding;
    if (!encap.to_encoding(encoding, exten_)) {
      ACE_ERROR((LM_ERROR, ACE_TEXT("(%P|%t) ERROR ")
        ACE_TEXT("FilterEvaluator::SerializedForEval::lookup: ")
        ACE_TEXT("failed to convert encapsulation header to encoding.\n")));
      throw std::runtime_error("FilterEvaluator::SerializedForEval::lookup:"
        "failed to convert encapsulation header to encoding.\n");
    }
    ser.encoding(encoding);
  }
  const Value v = meta_.getValue(ser, field, &type_support_);
  cache_.insert(std::make_pair(OPENDDS_STRING(field), v));
  return v;
}

OPENDDS_MAP()

OpenDDS::DCPS::FilterEvaluator::SerializedForEval::OPENDDS_MAP ( OPENDDS_STRING  , Value    )

mutable

Referenced by lookup().

Member Data Documentation

encoding_

Encoding OpenDDS::DCPS::FilterEvaluator::SerializedForEval::encoding_

Definition at line 169 of file FilterEvaluator.h.

Referenced by lookup().

exten_

Extensibility OpenDDS::DCPS::FilterEvaluator::SerializedForEval::exten_

Definition at line 172 of file FilterEvaluator.h.

Referenced by lookup().

serialized_

ACE_Message_Block* OpenDDS::DCPS::FilterEvaluator::SerializedForEval::serialized_

Definition at line 168 of file FilterEvaluator.h.

Referenced by lookup().

type_support_

const TypeSupportImpl& OpenDDS::DCPS::FilterEvaluator::SerializedForEval::type_support_

Definition at line 170 of file FilterEvaluator.h.

Referenced by lookup().

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

• FilterEvaluator.h
• FilterEvaluator.cpp