Enum Query.QueryType

java.lang.Object
java.lang.Enum<Query.QueryType>
org.eclipse.rdf4j.query.Query.QueryType
All Implemented Interfaces:
Serializable, Comparable<Query.QueryType>
Enclosing interface:
Query

public static enum Query.QueryType extends Enum<Query.QueryType>
The different types of queries that RDF4J recognizes: boolean queries, graph queries, and tuple queries.
Since:
3.2.0
  • Enum Constant Details

    • BOOLEAN

      public static final Query.QueryType BOOLEAN
      Boolean queries (such as the SPARQL ASK query form) return either true or false as the result.
    • GRAPH

      public static final Query.QueryType GRAPH
      Graph queries (such as the SPARQL CONSTRUCT and DESCRIBE query form) return a sequence of RDF statements as the result.
    • TUPLE

      public static final Query.QueryType TUPLE
      Tuple queries (such as the SPARQL SELECT query form) return a sequence of sets of variable bindings as the result.
  • Method Details

    • values

      public static Query.QueryType[] values()
      Returns an array containing the constants of this enum type, in the order they are declared.
      Returns:
      an array containing the constants of this enum type, in the order they are declared
    • valueOf

      public static Query.QueryType valueOf(String name)
      Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
      Parameters:
      name - the name of the enum constant to be returned.
      Returns:
      the enum constant with the specified name
      Throws:
      IllegalArgumentException - if this enum type has no constant with the specified name
      NullPointerException - if the argument is null