ai.grakn.graql.internal.query.analytics

Class CountQueryImpl

java.lang.Object

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

ai.grakn.graql.internal.query.analytics.CountQueryImpl

All Implemented Interfaces:

CountQuery, ComputeQuery<Long>, Query<Long>

public class CountQueryImpl
extends AbstractComputeQuery<Long>
implements CountQuery

Field Summary

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

connectedComponent, degree

Constructor Summary

Constructors

Constructor and Description
CountQueryImpl(Optional<GraknGraph> graph)

Method Summary

Modifier and Type	Method and Description
Long	execute() Execute the query.
CountQuery	in(Collection<String> subTypeNames)
CountQuery	in(String... subTypeNames)
boolean	isReadOnly() Whether this query will modify the graph
CountQuery	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

resultsString

Constructor Detail

CountQueryImpl

public CountQueryImpl(Optional<GraknGraph> graph)

Method Detail

execute

public Long execute()

Description copied from interface: CountQuery

Execute the query.

Specified by:

execute in interface CountQuery

Specified by:

execute in interface Query<Long>

Returns:

the number of instances in the graph

isReadOnly

public boolean isReadOnly()

Description copied from interface: Query

Whether this query will modify the graph

Specified by:

isReadOnly in interface Query<Long>

in

public CountQuery in(String... subTypeNames)

Specified by:

in in interface CountQuery

Specified by:

in in interface ComputeQuery<Long>

Overrides:

in in class AbstractComputeQuery<Long>

Parameters:

subTypeNames - an array of types to include in the subgraph

Returns:

a ComputeQuery with the subTypeNames set

in

public CountQuery in(Collection<String> subTypeNames)

Specified by:

in in interface CountQuery

Specified by:

in in interface ComputeQuery<Long>

Overrides:

in in class AbstractComputeQuery<Long>

Parameters:

subTypeNames - a collection of types to include in the subgraph

Returns:

a ComputeQuery with the subTypeNames set

withGraph

public CountQuery withGraph(GraknGraph graph)

Specified by:

withGraph in interface CountQuery

Specified by:

withGraph in interface ComputeQuery<Long>

Specified by:

withGraph in interface Query<Long>

Overrides:

withGraph in class AbstractComputeQuery<Long>

Parameters:

graph - the graph to execute the compute query on

Returns:

a ComputeQuery with the graph set