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 MetaStruct &meta, const DDS::StringSeq &params, bool swap, bool cdr)
Value	lookup (const char *field) const
	OPENDDS_MAP (OPENDDS_STRING, Value) cache_
Public Attributes
ACE_Message_Block *	serialized_
bool	swap_
bool	cdr_

Detailed Description

Definition at line 142 of file FilterEvaluator.h.

Constructor & Destructor Documentation

OpenDDS::DCPS::FilterEvaluator::SerializedForEval::SerializedForEval	(	ACE_Message_Block *	data,
		const MetaStruct &	meta,
		const DDS::StringSeq &	params,
		bool	swap,
		bool	cdr
	)			`[inline]`

Definition at line 143 of file FilterEvaluator.h.

00145       : DataForEval(meta, params), serialized_(data), swap_(swap), cdr_(cdr) {}

Member Function Documentation

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

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

Definition at line 110 of file FilterEvaluator.cpp.

References OpenDDS::DCPS::Serializer::ALIGN_CDR, OpenDDS::DCPS::Serializer::ALIGN_NONE, cdr_, ACE_Message_Block::duplicate(), OpenDDS::DCPS::MetaStruct::getValue(), OpenDDS::DCPS::FilterEvaluator::DataForEval::meta_, OPENDDS_MAP(), OPENDDS_STRING, serialized_, and swap_.

00111 {
00112   const OPENDDS_MAP(OPENDDS_STRING, Value)::const_iterator iter = cache_.find(field);
00113   if (iter != cache_.end()) {
00114     return iter->second;
00115   }
00116   Message_Block_Ptr mb (serialized_->duplicate());
00117   Serializer ser(mb.get(), swap_,
00118                  cdr_ ? Serializer::ALIGN_CDR : Serializer::ALIGN_NONE);
00119   if (cdr_) {
00120     ser.skip(4); // CDR encapsulation header
00121   }
00122   const Value v = meta_.getValue(ser, field);
00123   cache_.insert(std::make_pair(OPENDDS_STRING(field), v));
00124   return v;
00125 }