Package com.stardog.stark.query

Interface Binding

  • All Superinterfaces:
    java.util.function.Supplier<Value>
    public interface Binding
extends java.util.function.Supplier<Value>

    A variable binding in a single solution to a select query.

    Since:
    1.0
    Version:
    1.0
    Author:
    Michael Grove

    • Method Summary

      All Methods Instance Methods Abstract Methods Default Methods 
      Modifier and Type Method Description
      default java.util.Optional<BNode> bnode()
      Return the value of the binding, optionally, as a bnode
      default Value get()
      default java.util.Optional<IRI> iri()
      Return the value of the binding, optionally, as a IRI
      default java.util.Optional<Literal> literal()
      Return the value of the binding, optionally, as a literal
      java.lang.String name()
      Return the name of the variable the value is bound to
      default java.util.Optional<Resource> resource()
      Return the value of the binding, optionally, as a resource (bnode or iri)
      default java.util.Optional<Statement> statement()
      Return the value of the binding, optionally, as a statement
      Value value()
      Return the value of the binding

    • Method Detail

      • name

        @Nonnull
java.lang.String name()
        Return the name of the variable the value is bound to
        Returns:
        the variable name

      • value

        @Nonnull
Value value()
        Return the value of the binding
        Returns:
        the value

      • literal

        default java.util.Optional<Literal> literal()
        Return the value of the binding, optionally, as a literal
        Returns:
        the value as a literal, or an empty optional if the value is not a literal

      • resource

        default java.util.Optional<Resource> resource()
        Return the value of the binding, optionally, as a resource (bnode or iri)
        Returns:
        the value as a resource, or an empty optional if the value is not a resource

      • iri

        default java.util.Optional<IRI> iri()
        Return the value of the binding, optionally, as a IRI
        Returns:
        the value as a IRI, or an empty optional if the value is not a IRI

      • bnode

        default java.util.Optional<BNode> bnode()
        Return the value of the binding, optionally, as a bnode
        Returns:
        the value as a bnode, or an empty optional if the value is not a bnode

      • statement

        default java.util.Optional<Statement> statement()
        Return the value of the binding, optionally, as a statement
        Returns:
        the value as a statement, or an empty optional if the value is not a statement

      • get

        default Value get()
        Specified by:
        get in interface java.util.function.Supplier<Value>