ExprTransformSubstitute (Apache Jena ARQ)

java.lang.Object
- org.apache.jena.sparql.expr.ExprTransformCopy
- - org.apache.jena.sparql.expr.ExprTransformSubstitute

All Implemented Interfaces:

ExprTransform
```
public class ExprTransformSubstitute
extends ExprTransformCopy
```
An expression transformer that substitutes another expression in place of variables
Primarily introduced in order to support the new UserDefinedFunction capabilities

Field Summary
- Fields inherited from class org.apache.jena.sparql.expr.ExprTransformCopy
  COPY_ALWAYS, COPY_ONLY_ON_CHANGE

Constructor Summary

Constructors
Constructor	Description
`ExprTransformSubstitute(java.util.Map<java.lang.String,Expr> substitutions)`	Creates an advanced transform that uses the given map to make substitutions
`ExprTransformSubstitute(Var find, Expr replace)`	Creates a simple transform that replaces any occurrence of the given variable with the given expression

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

Expr transform(ExprVar exprVar)
- 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
  equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExprTransformSubstitute
```
public ExprTransformSubstitute(Var find,
                               Expr replace)
```
    Creates a simple transform that replaces any occurrence of the given variable with the given expression
    
    Parameters:
    
    find - Variable to find
    
    replace - Expression to replace with
  - ExprTransformSubstitute
```
public ExprTransformSubstitute(java.util.Map<java.lang.String,Expr> substitutions)
```
    Creates an advanced transform that uses the given map to make substitutions
    
    Parameters:
    
    substitutions - Substitutions from variables to expressions
- Method Detail
  - transform
```
public Expr transform(ExprVar exprVar)
```
    Specified by:
    
    transform in interface ExprTransform
    
    Overrides:
    
    transform in class ExprTransformCopy