knowrob::GraphQuery Class Reference

#include <GraphQuery.h>

Inheritance diagram for knowrob::GraphQuery:

Collaboration diagram for knowrob::GraphQuery:

Public Member Functions
	GraphQuery (const std::shared_ptr< GraphTerm > &query, const QueryContextPtr &ctx=DefaultQueryContext())
	GraphQuery (const std::vector< TriplePatternPtr > &query, const QueryContextPtr &ctx=DefaultQueryContext())
	GraphQuery (const TriplePatternPtr &query)
	GraphQuery (const TriplePatternPtr &query, const QueryContextPtr &ctx)
auto	term () const
FormulaPtr	toFormula () const
	GraphQuery (const std::shared_ptr< GraphTerm > &query, const QueryContextPtr &ctx=DefaultQueryContext())
	GraphQuery (const std::vector< TriplePatternPtr > &query, const QueryContextPtr &ctx=DefaultQueryContext())
	GraphQuery (const TriplePatternPtr &query)
	GraphQuery (const TriplePatternPtr &query, const QueryContextPtr &ctx)
auto	term () const
FormulaPtr	toFormula () const
Public Member Functions inherited from knowrob::Query
	Query (QueryContextPtr ctx=DefaultQueryContext())
virtual	~Query ()=default
auto &	ctx () const
void	setContext (QueryContextPtr ctx)
	Query (QueryContextPtr ctx=DefaultQueryContext())
virtual	~Query ()=default
auto &	ctx () const
void	setContext (QueryContextPtr ctx)
Public Member Functions inherited from knowrob::Printable
virtual	~Printable ()=default
virtual std::string	format () const
virtual	~Printable ()=default
virtual std::string	format () const

Protected Member Functions
void	write (std::ostream &os) const override
	GraphQuery (const QueryContextPtr &ctx=DefaultQueryContext())
void	write (std::ostream &os) const override
	GraphQuery (const QueryContextPtr &ctx=DefaultQueryContext())

Protected Attributes
std::shared_ptr< GraphTerm >	term_
Protected Attributes inherited from knowrob::Query
QueryContextPtr	ctx_

Detailed Description

A Query that is constructed from a sequence of literals which are considered to be in a conjunction. The literals are part of a dependency group, meaning that they are connected through free variables.

Definition at line 18 of file GraphQuery.h.

Constructor & Destructor Documentation

GraphQuery() [1/10]

GraphQuery::GraphQuery ( const std::shared_ptr< GraphTerm > &  query, const QueryContextPtr &  ctx = DefaultQueryContext()  )

explicit

Parameters

query	an ordered sequence of graph terms.
ctx	the query context.

Definition at line 24 of file GraphQuery.cpp.

        : Query(ctx),
          term_(queryTerm) {
}

GraphQuery() [2/10]

GraphQuery::GraphQuery ( const std::vector< TriplePatternPtr > &  query, const QueryContextPtr &  ctx = DefaultQueryContext()  )

explicit

Parameters

query	an ordered sequence of triple patterns.
ctx	the query context.

Definition at line 39 of file GraphQuery.cpp.

        : Query(ctx),
          term_(std::make_shared<GraphSequence>()) {
    auto sequence = std::static_pointer_cast<GraphSequence>(term_);
    for (auto &p: query) {
        sequence->addPattern(p);
    }
}

GraphQuery() [3/10]

GraphQuery::GraphQuery ( const TriplePatternPtr &  query )

explicit

Parameters

query

a single triple pattern.

Definition at line 29 of file GraphQuery.cpp.

        : Query(createQueryContext(query)),
          term_(std::make_shared<GraphPattern>(query)) {
}

GraphQuery() [4/10]

GraphQuery::GraphQuery ( const TriplePatternPtr &  query, const QueryContextPtr &  ctx  )

explicit

Parameters

query	a single triple pattern.
ctx	the query context.

Definition at line 34 of file GraphQuery.cpp.

        : Query(ctx),
          term_(std::make_shared<GraphPattern>(query)) {
}

GraphQuery() [5/10]

knowrob::GraphQuery::GraphQuery ( const QueryContextPtr &  ctx = DefaultQueryContext() )

inlineexplicitprotected

Definition at line 61 of file GraphQuery.h.

: Query(ctx) {}

GraphQuery() [6/10]

knowrob::GraphQuery::GraphQuery ( const std::shared_ptr< GraphTerm > &  query, const QueryContextPtr &  ctx = DefaultQueryContext()  )

explicit

Parameters

query	an ordered sequence of graph terms.
ctx	the query context.

GraphQuery() [7/10]

knowrob::GraphQuery::GraphQuery ( const std::vector< TriplePatternPtr > &  query, const QueryContextPtr &  ctx = DefaultQueryContext()  )

explicit

Parameters

query	an ordered sequence of triple patterns.
ctx	the query context.

GraphQuery() [8/10]

knowrob::GraphQuery::GraphQuery ( const TriplePatternPtr &  query )

explicit

Parameters

query

a single triple pattern.

GraphQuery() [9/10]

knowrob::GraphQuery::GraphQuery ( const TriplePatternPtr &  query, const QueryContextPtr &  ctx  )

explicit

Parameters

query	a single triple pattern.
ctx	the query context.

GraphQuery() [10/10]

knowrob::GraphQuery::GraphQuery ( const QueryContextPtr &  ctx = DefaultQueryContext() )

inlineexplicitprotected

Definition at line 61 of file GraphQuery.h.

: Query(ctx) {}

Member Function Documentation

term() [1/2]

auto knowrob::GraphQuery::term ( ) const

inline

Returns

the GraphTerm's of the query, which are considered to be in a conjunction.

Definition at line 48 of file GraphQuery.h.

{ return term_; }

term() [2/2]

auto knowrob::GraphQuery::term ( ) const

inline

Returns

the GraphTerm's of the query, which are considered to be in a conjunction.

Definition at line 48 of file GraphQuery.h.

{ return term_; }

toFormula() [1/2]

FormulaPtr GraphQuery::toFormula

(

)

const

Generate a formula from the graph query.

Returns

a formula that represents the query.

Definition at line 86 of file GraphQuery.cpp.

                                       {
    return toFormula_recursive(term_.get());
}

toFormula() [2/2]

FormulaPtr knowrob::GraphQuery::toFormula

(

)

const

Generate a formula from the graph query.

Returns

a formula that represents the query.

write() [1/2]

void GraphQuery::write ( std::ostream &  os ) const

overrideprotectedvirtual

Print this object to a stream.

Parameters

os	the stream to print to.

Implements knowrob::Printable.

Definition at line 90 of file GraphQuery.cpp.

                                           {
    os << *term_;
}

write() [2/2]

void knowrob::GraphQuery::write ( std::ostream &  os ) const

overrideprotectedvirtual

Print this object to a stream.

Parameters

os	the stream to print to.

Implements knowrob::Printable.

Member Data Documentation

term_

std::shared_ptr< GraphTerm > knowrob::GraphQuery::term_

protected

Definition at line 57 of file GraphQuery.h.

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

• build/_CPack_Packages/Linux/DEB/knowrob-2.1.0-Linux/usr/include/knowrob/semweb/GraphQuery.h
• src/semweb/GraphQuery.cpp