NES::QueryParsingService Class Reference

#include <QueryParsingService.hpp>

Public Member Functions
	QueryParsingService (std::shared_ptr< Compiler::JITCompiler > jitCompiler)
QueryPlanPtr	createQueryFromCodeString (const std::string &queryCodeSnippet)
	this function executes the C++ code provided by the user and returns an Query Object @caution: this function will replace the source name "xyz" provided by the user with the source generated by the system and fetched from the catalog More...
QueryPlanPtr	createPatternFromCodeString (const std::string &queryCodeSnippet)
	this function parses the declarative pattern string provided by the user and returns an Query Object @caution: this function will replace the source name "xyz" provided by the user with the source generated by the system and fetched from the catalog More...
SchemaPtr	createSchemaFromCode (const std::string &schemaCodeSnippet)
	this function executes the code provided by the user and returns an schema Object More...

Static Public Member Functions
static std::shared_ptr< QueryParsingService >	create (std::shared_ptr< Compiler::JITCompiler >)

Constructor & Destructor Documentation

QueryParsingService()

NES::QueryParsingService::QueryParsingService ( std::shared_ptr< Compiler::JITCompiler >  jitCompiler )

explicit

Member Function Documentation

create()

std::shared_ptr< QueryParsingService > NES::QueryParsingService::create ( std::shared_ptr< Compiler::JITCompiler >  jitCompiler )

static

Referenced by NES::NesCoordinator::NesCoordinator(), NES::ExpressionNodeTest::SetUp(), NES::LogicalExpressionTest::SetUp(), NES::SemanticQueryValidationTest::SetUp(), NES::SyntacticQueryValidationTest::SetUp(), and QueryCatalogTest::SetUp().

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createPatternFromCodeString()

QueryPlanPtr NES::QueryParsingService::createPatternFromCodeString

(

const std::string &

queryCodeSnippet

)

this function parses the declarative pattern string provided by the user and returns an Query Object @caution: this function will replace the source name "xyz" provided by the user with the source generated by the system and fetched from the catalog

Parameters

query

as a string

Returns

Smart pointer to InputQuery object of the query

References NES::Parsers::NesCEPQueryPlanCreator::getQueryPlan(), NES_DEBUG, NES_THROW_RUNTIME_ERROR, and NES::Parsers::NesCEPParser::query().

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createQueryFromCodeString()

QueryPlanPtr NES::QueryParsingService::createQueryFromCodeString

(

const std::string &

queryCodeSnippet

)

this function executes the C++ code provided by the user and returns an Query Object @caution: this function will replace the source name "xyz" provided by the user with the source generated by the system and fetched from the catalog

Parameters

query

as a string

Returns

Smart pointer to InputQuery object of the query

References NES::Compiler::CPP, NES::Compiler::CompilationRequest::create(), NES::Query::getQueryPlan(), backward::details::move(), NES_DEBUG, NES_ERROR, and NES::Util::replaceFirst().

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createSchemaFromCode()

SchemaPtr NES::QueryParsingService::createSchemaFromCode

(

const std::string &

schemaCodeSnippet

)

this function executes the code provided by the user and returns an schema Object

Parameters

query

as a string

Returns

Smart pointer to InputQuery object of the query

References NES::Compiler::CPP, NES::Compiler::CompilationRequest::create(), backward::details::move(), NES_DEBUG, and NES_ERROR.

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

• /nebulastream/nes-coordinator/include/Services/QueryParsingService.hpp
• /nebulastream/nes-coordinator/src/Services/QueryParsingService.cpp