Package org.aksw.jena_sparql_api.algebra.expr.transform

Class ExprTransformFlattenFunction

java.lang.Object
org.apache.jena.sparql.expr.ExprTransformCopy
org.aksw.jena_sparql_api.algebra.expr.transform.ExprTransformFlattenFunction
All Implemented Interfaces:
org.apache.jena.sparql.expr.ExprTransform
public class ExprTransformFlattenFunction extends org.apache.jena.sparql.expr.ExprTransformCopy
Flatten nested functions, such as f(a, f(b, c), d) -> f(a, b, c, d) Useful for concat expressions
Author:
raven Mar 29, 2018

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected Predicate<? super org.apache.jena.sparql.expr.Expr>
    isFlattenableFunction
     

    Fields inherited from class org.apache.jena.sparql.expr.ExprTransformCopy

    COPY_ALWAYS, COPY_ONLY_ON_CHANGE

  • Constructor Summary

    Constructors
    Constructor
    Description
    ExprTransformFlattenFunction(Predicate<? super org.apache.jena.sparql.expr.Expr> isFlattenableFunction)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static List<org.apache.jena.sparql.expr.Expr>
    flatten(List<org.apache.jena.sparql.expr.Expr> args, Predicate<? super org.apache.jena.sparql.expr.Expr> isFlattenableFunction)
     
    org.apache.jena.sparql.expr.Expr
    transform(org.apache.jena.sparql.expr.ExprFunctionN func, org.apache.jena.sparql.expr.ExprList args)
     

    Methods inherited from class org.apache.jena.sparql.expr.ExprTransformCopy

    transform, transform, transform, transform, transform, transform, transform, transform, transform

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.jena.sparql.expr.ExprTransform

    transform

  • Field Details

    • isFlattenableFunction

      protected Predicate<? super org.apache.jena.sparql.expr.Expr> isFlattenableFunction

  • Constructor Details

    • ExprTransformFlattenFunction

      public ExprTransformFlattenFunction(Predicate<? super org.apache.jena.sparql.expr.Expr> isFlattenableFunction)

  • Method Details

    • transform

      public org.apache.jena.sparql.expr.Expr transform(org.apache.jena.sparql.expr.ExprFunctionN func, org.apache.jena.sparql.expr.ExprList args)
      Specified by:
      transform in interface org.apache.jena.sparql.expr.ExprTransform
      Overrides:
      transform in class org.apache.jena.sparql.expr.ExprTransformCopy

    • flatten

      public static List<org.apache.jena.sparql.expr.Expr> flatten(List<org.apache.jena.sparql.expr.Expr> args, Predicate<? super org.apache.jena.sparql.expr.Expr> isFlattenableFunction)