Package com.stardog.stark.query

Interface Binding

All Superinterfaces:
Supplier<Value>
public interface Binding extends Supplier<Value>

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

Since:
1.0
Version:
1.0
Author:
Michael Grove

  • Method Summary

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

  • Method Details

    • name

      @Nonnull 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 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 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 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 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 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 Supplier<Value>