ai.grakn.graql.analytics

Interface StdQuery

All Superinterfaces:

ComputeQuery<Optional<Double>>, Query<Optional<Double>>

All Known Implementing Classes:

StdQueryImpl

public interface StdQuery
extends ComputeQuery<Optional<Double>>

Method Summary

Modifier and Type	Method and Description
Optional<Double>	execute() Execute the query.
StdQuery	in(Collection<String> subTypeNames)
StdQuery	in(String... subTypeNames)
StdQuery	of(Collection<String> resourceTypeNames)
StdQuery	of(String... resourceTypeNames)
StdQuery	withGraph(GraknGraph graph)

Methods inherited from interface ai.grakn.graql.Query

isReadOnly, resultsString

Method Detail

of

StdQuery of(String... resourceTypeNames)

Parameters:

resourceTypeNames - an array of types of resources to execute the query on

Returns:

a StdQuery with the subTypeNames set

of

StdQuery of(Collection<String> resourceTypeNames)

Parameters:

resourceTypeNames - a collection of types of resources to execute the query on

Returns:

a StdQuery with the subTypeNames set

in

StdQuery in(String... subTypeNames)

Specified by:

in in interface ComputeQuery<Optional<Double>>

Parameters:

subTypeNames - an array of types to include in the subgraph

Returns:

a StdQuery with the subTypeNames set

in

StdQuery in(Collection<String> subTypeNames)

Specified by:

in in interface ComputeQuery<Optional<Double>>

Parameters:

subTypeNames - a collection of types to include in the subgraph

Returns:

a StdQuery with the subTypeNames set

execute

Optional<Double> execute()

Execute the query.

Specified by:

execute in interface Query<Optional<Double>>

Returns:

the standard deviation if the given resource types have instances, otherwise an empty Optional instance

withGraph

StdQuery withGraph(GraknGraph graph)

Specified by:

withGraph in interface ComputeQuery<Optional<Double>>

Specified by:

withGraph in interface Query<Optional<Double>>

Parameters:

graph - the graph to execute the query on

Returns:

a StdQuery with the graph set