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NCBI C++ ToolKit: include/util/qparse/query_exec.hpp Source File

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Expression evaluation visitor functor.

Query execution environment holds the function registry and the execution context.

Base class for evaluation functions.

Query tree and associated utility methods.

definition of a Culling tree

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

int64_t Int8

8-byte (64-bit) signed integer

CQueryParseTree * m_QTree

void SetExec(CQueryExec &qexec)

Set reference on parent query execution class.

void SetElapsed(double e)

Set node timing.

const string & GetOrig() const

int GetQueriedCount() const

CQueryFunctionBase * GetFunc(CQueryParseNode::EType func_type)

Return query function pointer (if registered).

virtual bool ResolveIdentifier(const TFieldID &, double &)

virtual bool EvalComplete()

virtual bool ResolveIdentifier(const TFieldID &, Int8 &)

vector< CQueryParseTree::TNode * > TArgVector

Vector for easy argument access.

ETreeTraverseCode operator()(CTreeNode< CQueryParseNode > &tr, int delta)

CQueryExecEvalFunc(CQueryExec &exec)

virtual TFieldID GetIdentifier(const std::string &)

bool IsValue() const

Returns TRUE if node is value (INT, String, etc.)

unique_ptr< CQueryFunctionBase > m_ImplicitSearchFunc

virtual bool ResolveIdentifier(const std::string &, bool &)

If query has an identifier, this will resolve it in an application-specific way.

CQueryFunctionBase * GetImplicitSearchFunc()

CQueryExec & GetExec()

Get reference on parent execution environment.

virtual void CallFunction(const string &name, CQueryParseTree::TNode &node)

Extend this function to look up and invoke functions that appear in the query.

virtual CQueryParseNode::EType IdentifierType(const std::string &)

Some applications may know the type of an identifier.

CQueryParseTree * GetQTree()

int GetExceptionCount() const

virtual bool ResolveIdentifier(const std::string &, Int8 &)

virtual void Evaluate(CQueryParseTree::TNode &qnode)=0

Query node evaluation function (performs actual programmed by the node action)

virtual bool ResolveIdentifier(const TFieldID &, std::string &)

virtual bool EvalNext(CQueryParseTree &)

Move to (iterate) to next entry.

vector< CQueryFunctionBase * > TFuncReg

virtual bool ResolveIdentifier(const std::string &, double &)

virtual bool HasIdentifier(const std::string &)

virtual bool EvaluateChildrenFirst() const

Do we evaluate before visiting the nodes children or after.

virtual bool ResolveIdentifier(const std::string &, std::string &)

CQueryExec(const CQueryExec &)

virtual bool ResolveIdentifier(const TFieldID &, bool &)

CQueryExec & operator=(const CQueryExec &)

@ eNotSet

Produced by the (private) default constructor.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

double Elapsed(void) const

Return time elapsed since first Start() or last Restart() call (in seconds).

@ eStart

Start timer immediately after creating.

ETreeTraverseCode

Tree traverse code returned by the traverse predicate function.

bool IsLeaf() const

Report whether this is a leaf node.

const TValue & GetValue(void) const

Return node's value.

const TTreeType * GetParent(void) const

Get node's parent.

@ eTreeTraverse

Keep traversal.

@ eTreeTraverseStepOver

Do not traverse current node (pick the next one)

Defines: CTimeFormat - storage class for time format.

Int4 delta(size_t dimension_, const Int4 *score_)

Query string parsing components.

NCBI_XUTIL_EXPORT

Parameter to control printing diagnostic message about conversion of static array data from a differe...

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