Package com.stardog.stark.query

Class Datasets

java.lang.Object
com.stardog.stark.query.Datasets
public final class Datasets extends Object

Utilities for working with Dataset

Since:
1.0
Version:
1.0
Author:
Michael Grove

  • Field Details

    • NO_DATASET

      public static final Dataset NO_DATASET
      Constant for specifying that there is no specific dataset; a Query should use whatever information is in its from/from named clauses.

    • EMPTY

      public static final Dataset EMPTY
      A Dataset which is empty, that is, it's comprised of zero graphs.

    • DEFAULT

      public static final Dataset DEFAULT
      The default query dataset

    • ALL_LOCAL

      public static final Dataset ALL_LOCAL
      The query dataset where the default graph is the union of all local (non-virtual) graphs.

  • Method Details

    • of

      public static Dataset of(IRI theIRI, IRI... theRest)
      Create a Dataset which consists of the specified default graphs
      Parameters:
      theIRI - the default graph
      theRest - more default graphs
      Returns:
      the `Dataset`

    • of

      public static Dataset of(Iterable<IRI> theGraphs)
      Create a Dataset which consists of the specified default graphs
      Parameters:
      theGraphs - the default graphs
      Returns:
      the `Dataset`

    • ofNamed

      public static Dataset ofNamed(IRI theIRI, IRI... theRest)
      Create a Dataset which consists of the specified named graphs
      Parameters:
      theIRI - the named graph
      theRest - more named graphs
      Returns:
      the `Dataset`

    • ofNamed

      public static Dataset ofNamed(Iterable<IRI> theGraphs)
      Create a Dataset which consists of the specified named graphs
      Parameters:
      theGraphs - the named graphs
      Returns:
      the `Dataset`

    • builder

      public static Datasets.DatasetImpl.Builder builder()
      Return a new Datasets.DatasetImpl.Builder builder for a Dataset
      Returns:
      the builder