cz.jirutka.rsql.parser.ast

Interface Node

All Known Implementing Classes:

AbstractNode, AndNode, ComparisonNode, LogicalNode, OrNode

public interface Node

Common interface of the AST nodes. Implementations must be immutable.

Method Summary

Modifier and Type	Method and Description
<R,A> R	accept(RSQLVisitor<R,A> visitor) Accepts the visitor, calls its visit() method and returns the result.
<R,A> R	accept(RSQLVisitor<R,A> visitor, A param) Accepts the visitor, calls its visit() method and returns a result.

Method Detail

accept

<R,A> R accept(RSQLVisitor<R,A> visitor,
               A param)

Accepts the visitor, calls its visit() method and returns a result.

Each implementation must implement this methods exactly as listed:

 public <R, A> R accept(RSQLVisitor<R, A> visitor, A param) {
     return visitor.visit(this, param);
 }
 

Type Parameters:

R - Return type of the visitor's method.

A - Type of an optional parameter passed to the visitor's method.

Parameters:

visitor - The visitor whose appropriate method will be called.

param - An optional parameter to pass to the visitor.

Returns:

An object returned by the visitor (may be null).

accept

<R,A> R accept(RSQLVisitor<R,A> visitor)

Accepts the visitor, calls its visit() method and returns the result.

This method should just call accept(RSQLVisitor, Object) with null as the second argument.

Type Parameters:

R - Return type of the visitor's method.

A - Type of an optional parameter passed to the visitor's method.

Parameters:

visitor - The visitor whose appropriate method will be called.

Returns:

An object returned by the visitor (may be null).