ExpressionVisitorWrapper (EclipseLink 2.7.15, API Reference)

java.lang.Object
- org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor
- - org.eclipse.persistence.jpa.jpql.parser.ExpressionVisitorWrapper

All Implemented Interfaces:

ExpressionVisitor
```
public abstract class ExpressionVisitorWrapper
extends AnonymousExpressionVisitor
```
This ExpressionVisitor wraps another ExpressionVisitor and delegates all its calls to it (the delegate).

Version:

2.4

Author:

Pascal Filion

Since:

2.3

Constructor Summary

Constructors
Modifier Constructor Description

protected ExpressionVisitorWrapper(ExpressionVisitor delegate)
Creates a new ExpressionVisitorWrapper.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected ExpressionVisitor`	`getDelegate()`	Returns the delegate `ExpressionVisitor` that is receiving all the calls from this one.
`protected void`	`visit(Expression expression)`	Blindly visit the given `Expression`.

Methods inherited from class org.eclipse.persistence.jpa.jpql.parser.AnonymousExpressionVisitor
visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ExpressionVisitorWrapper
```
protected ExpressionVisitorWrapper(ExpressionVisitor delegate)
```
    Creates a new ExpressionVisitorWrapper.
    
    Parameters:
    
    delegate - The ExpressionVisitor that will have the calls delegated from this one
    
    Throws:
    
    java.lang.NullPointerException - The delegate ExpressionVisitor cannot be null
- Method Detail
  - getDelegate
```
protected ExpressionVisitor getDelegate()
```
    Returns the delegate ExpressionVisitor that is receiving all the calls from this one.
    
    Returns:
    
    The delegate ExpressionVisitor
  - visit
```
protected void visit(Expression expression)
```
    Blindly visit the given Expression.
    
    Overrides:
    
    visit in class AnonymousExpressionVisitor
    
    Parameters:
    
    expression - The Expression to visit