Package org.aksw.jena_sparql_api.algebra.analysis

Class VarUsage2

java.lang.Object
org.aksw.jena_sparql_api.algebra.analysis.VarUsage2
public class VarUsage2 extends Object

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected boolean
    distinct
     
    protected Set<org.apache.jena.sparql.core.Var>
    essentialVars
    The set of essential variables at this node, i.e.
    protected com.google.common.collect.Multimap<org.apache.jena.sparql.core.Var,org.apache.jena.sparql.core.Var>
    varDeps
    Only non-null for op nodes that perform assignments - i.e.
    protected Set<org.apache.jena.sparql.core.Var>
    visibleVars
    The set of available variables at this node

  • Constructor Summary

    Constructors
    Constructor
    Description
    VarUsage2()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Set<org.apache.jena.sparql.core.Var>
    getEssentialVars()
     
    com.google.common.collect.Multimap<org.apache.jena.sparql.core.Var,org.apache.jena.sparql.core.Var>
    getVarDeps()
     
    Set<org.apache.jena.sparql.core.Var>
    getVisibleVars()
     
    boolean
    isDistinct()
     
    void
    setDistinct(boolean distinct)
     
    void
    setEssentialVars(Set<org.apache.jena.sparql.core.Var> essentialVars)
     
    void
    setVarDeps(com.google.common.collect.Multimap<org.apache.jena.sparql.core.Var,org.apache.jena.sparql.core.Var> varDeps)
     
    void
    setVisibleVars(Set<org.apache.jena.sparql.core.Var> visibleVars)
     
    String
    toString()
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Field Details

    • visibleVars

      protected Set<org.apache.jena.sparql.core.Var> visibleVars
      The set of available variables at this node

    • varDeps

      protected com.google.common.collect.Multimap<org.apache.jena.sparql.core.Var,org.apache.jena.sparql.core.Var> varDeps
      Only non-null for op nodes that perform assignments - i.e. OpAssign and OpExtend

    • essentialVars

      protected Set<org.apache.jena.sparql.core.Var> essentialVars
      The set of essential variables at this node, i.e. variables required in the remainder of the query. A variable is essential if - it is a distinguished variable of the query (i.e. it is part of the final result set) - used in a filter expression - used in an assignment, whose target variable is essential - used in distinct

    • distinct

      protected boolean distinct

  • Constructor Details

    • VarUsage2

      public VarUsage2()

  • Method Details

    • getVisibleVars

      public Set<org.apache.jena.sparql.core.Var> getVisibleVars()

    • setVisibleVars

      public void setVisibleVars(Set<org.apache.jena.sparql.core.Var> visibleVars)

    • getVarDeps

      public com.google.common.collect.Multimap<org.apache.jena.sparql.core.Var,org.apache.jena.sparql.core.Var> getVarDeps()

    • setVarDeps

      public void setVarDeps(com.google.common.collect.Multimap<org.apache.jena.sparql.core.Var,org.apache.jena.sparql.core.Var> varDeps)

    • getEssentialVars

      public Set<org.apache.jena.sparql.core.Var> getEssentialVars()

    • setEssentialVars

      public void setEssentialVars(Set<org.apache.jena.sparql.core.Var> essentialVars)

    • isDistinct

      public boolean isDistinct()

    • setDistinct

      public void setDistinct(boolean distinct)

    • toString

      public String toString()
      Overrides:
      toString in class Object