ai.grakn.graql

Interface QueryBuilder

All Known Implementing Classes:

QueryBuilderImpl

public interface QueryBuilder

Method Summary

Modifier and Type	Method and Description
ComputeQueryBuilder	compute()
QueryBuilder	infer(boolean infer) Enable or disable inference
InsertQuery	insert(Collection<? extends Var> vars)
InsertQuery	insert(Var... vars)
MatchQuery	match(Collection<? extends Pattern> patterns)
MatchQuery	match(Pattern... patterns)
QueryBuilder	materialise(boolean materialise) Enable or disable materialisation
<T extends Query<?>> T	parse(String queryString)
Pattern	parsePattern(String patternString)
java.util.stream.Stream<Pattern>	parsePatterns(InputStream inputStream)
List<Pattern>	parsePatterns(String patternsString)
<T extends Query<?>> T	parseTemplate(String template, Map<String,Object> data)
void	registerAggregate(String name, java.util.function.Function<List<Object>,Aggregate> aggregateMethod)
void	registerMacro(Macro macro)

Method Detail

match

MatchQuery match(Pattern... patterns)

Parameters:

patterns - an array of patterns to match in the graph

Returns:

a match query that will find matches of the given patterns

match

MatchQuery match(Collection<? extends Pattern> patterns)

Parameters:

patterns - a collection of patterns to match in the graph

Returns:

a match query that will find matches of the given patterns

insert

InsertQuery insert(Var... vars)

Parameters:

vars - an array of variables to insert into the graph

Returns:

an insert query that will insert the given variables into the graph

insert

InsertQuery insert(Collection<? extends Var> vars)

Parameters:

vars - a collection of variables to insert into the graph

Returns:

an insert query that will insert the given variables into the graph

compute

ComputeQueryBuilder compute()

Returns:

a compute query builder for building analytics query

parsePatterns

java.util.stream.Stream<Pattern> parsePatterns(InputStream inputStream)

Parameters:

inputStream - a stream representing a list of patterns

Returns:

a stream of patterns

parsePatterns

List<Pattern> parsePatterns(String patternsString)

Parameters:

patternsString - a string representing a list of patterns

Returns:

a list of patterns

parsePattern

Pattern parsePattern(String patternString)

Parameters:

patternString - a string representing a pattern

Returns:

a pattern

parse

<T extends Query<?>> T parse(String queryString)

Parameters:

queryString - a string representing a query

Returns:

a query, the type will depend on the type of query.

parseTemplate

<T extends Query<?>> T parseTemplate(String template,
                                     Map<String,Object> data)

Parameters:

template - a string representing a templated graql query

data - data to use in template

Returns:

a query, the type will depend on the type of template.

registerAggregate

void registerAggregate(String name,
                       java.util.function.Function<List<Object>,Aggregate> aggregateMethod)

registerMacro

void registerMacro(Macro macro)

infer

QueryBuilder infer(boolean infer)

Enable or disable inference

materialise

QueryBuilder materialise(boolean materialise)

Enable or disable materialisation