Module org.apache.jena.arq
Package org.apache.jena.sparql.core

Class QuerySolutionBase

java.lang.Object
org.apache.jena.sparql.core.QuerySolutionBase
All Implemented Interfaces:
QuerySolution
Direct Known Subclasses:
QuerySolutionMap, ResultBinding
public abstract class QuerySolutionBase extends Object implements QuerySolution
Implementation of QuerySolution that contains the canonicalization and casting code.

  • Constructor Summary

    Constructors
    Constructor
    Description
    QuerySolutionBase()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    contains(String varName)
    Return true if the named variable is in this binding
    org.apache.jena.rdf.model.RDFNode
    get(String varName)
    Return the value of the named variable in this binding.
    org.apache.jena.rdf.model.Literal
    getLiteral(String varName)
    Return the value of the named variable in this binding, casting to a Literal.
    org.apache.jena.rdf.model.Resource
    getResource(String varName)
    Return the value of the named variable in this binding, casting to a Resource.
    org.apache.jena.rdf.model.StatementTerm
    getStatementTerm(String varName)
    Return the value of the named variable in this binding, casting to a StatementTerm.
    abstract Iterator<String>
    varNames()
    Iterate over the variable names (strings) in this QuerySolution.

    Methods inherited from class java.lang.Object

    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • QuerySolutionBase

      public QuerySolutionBase()

  • Method Details

    • get

      public org.apache.jena.rdf.model.RDFNode get(String varName)
      Description copied from interface: QuerySolution
      Return the value of the named variable in this binding. A return of null indicates that the variable is not present in this solution.
      Specified by:
      get in interface QuerySolution
      Returns:
      RDFNode

    • getResource

      public org.apache.jena.rdf.model.Resource getResource(String varName)
      Description copied from interface: QuerySolution
      Return the value of the named variable in this binding, casting to a Resource. A return of null indicates that the variable is not present in this solution. An exception indicates it was present but not a resource.
      Specified by:
      getResource in interface QuerySolution
      Returns:
      Resource

    • getLiteral

      public org.apache.jena.rdf.model.Literal getLiteral(String varName)
      Description copied from interface: QuerySolution
      Return the value of the named variable in this binding, casting to a Literal. A return of null indicates that the variable is not present in this solution. An exception indicates it was present but not a literal.
      Specified by:
      getLiteral in interface QuerySolution
      Returns:
      Resource

    • getStatementTerm

      public org.apache.jena.rdf.model.StatementTerm getStatementTerm(String varName)
      Description copied from interface: QuerySolution
      Return the value of the named variable in this binding, casting to a StatementTerm. A return of null indicates that the variable is not present in this solution. An exception indicates it was present but not a triple term.
      Specified by:
      getStatementTerm in interface QuerySolution
      Returns:
      Resource

    • contains

      public boolean contains(String varName)
      Description copied from interface: QuerySolution
      Return true if the named variable is in this binding
      Specified by:
      contains in interface QuerySolution

    • varNames

      public abstract Iterator<String> varNames()
      Description copied from interface: QuerySolution
      Iterate over the variable names (strings) in this QuerySolution.
      Specified by:
      varNames in interface QuerySolution
      Returns:
      Iterator of strings