ai.grakn.graql.internal.query.analytics

Class SumQueryImpl

java.lang.Object

ai.grakn.graql.internal.query.analytics.AbstractComputeQuery<T>

ai.grakn.graql.internal.query.analytics.SumQueryImpl

All Implemented Interfaces:

SumQuery, ComputeQuery<Optional<Number>>, Query<Optional<Number>>

public class SumQueryImpl
extends AbstractComputeQuery<T>
implements SumQuery

Field Summary

Fields inherited from class ai.grakn.graql.internal.query.analytics.AbstractComputeQuery

connectedComponent, degree

Constructor Summary

Constructors

Constructor and Description
SumQueryImpl(Optional<GraknGraph> graph)

Method Summary

Modifier and Type	Method and Description
Optional<Number>	execute() Execute the query.
SumQuery	in(Collection<String> subTypeNames)
SumQuery	in(String... subTypeNames)
boolean	isReadOnly() Whether this query will modify the graph
SumQuery	of(Collection<String> resourceTypeNames)
SumQuery	of(String... resourceTypeNames)
SumQuery	withGraph(GraknGraph graph)

Methods inherited from class ai.grakn.graql.internal.query.analytics.AbstractComputeQuery

resultsString, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface ai.grakn.graql.Query

isReadOnly, resultsString

Constructor Detail

SumQueryImpl

public SumQueryImpl(Optional<GraknGraph> graph)

Method Detail

execute

public Optional<Number> execute()

Description copied from interface: SumQuery

Execute the query.

Specified by:

execute in interface SumQuery

Specified by:

execute in interface Query<Optional<Number>>

Returns:

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

of

public SumQuery of(String... resourceTypeNames)

Specified by:

of in interface SumQuery

Parameters:

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

Returns:

a SumQuery with the subTypeNames set

of

public SumQuery of(Collection<String> resourceTypeNames)

Specified by:

of in interface SumQuery

Parameters:

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

Returns:

a SumQuery with the subTypeNames set

in

public SumQuery in(String... subTypeNames)

Specified by:

in in interface SumQuery

Specified by:

in in interface ComputeQuery<Optional<Number>>

Overrides:

in in class AbstractComputeQuery<Optional<Number>>

Parameters:

subTypeNames - an array of types to include in the subgraph

Returns:

a ComputeQuery with the subTypeNames set

in

public SumQuery in(Collection<String> subTypeNames)

Specified by:

in in interface SumQuery

Specified by:

in in interface ComputeQuery<Optional<Number>>

Overrides:

in in class AbstractComputeQuery<Optional<Number>>

Parameters:

subTypeNames - a collection of types to include in the subgraph

Returns:

a ComputeQuery with the subTypeNames set

withGraph

public SumQuery withGraph(GraknGraph graph)

Specified by:

withGraph in interface SumQuery

Specified by:

withGraph in interface ComputeQuery<Optional<Number>>

Specified by:

withGraph in interface Query<Optional<Number>>

Overrides:

withGraph in class AbstractComputeQuery<Optional<Number>>

Parameters:

graph - the graph to execute the compute query on

Returns:

a ComputeQuery with the graph set

isReadOnly

public boolean isReadOnly()

Description copied from interface: Query

Whether this query will modify the graph