com.amazon.carbonado.filter
Class Visitor<S extends Storable,R,P>

java.lang.Object
  com.amazon.carbonado.filter.Visitor<S,R,P>

public abstract class Visitor<S extends Storable,R,P>
extends Object

Traverses a filter tree in its canonical order. By overriding a visit method, individual nodes can be captured and processed based on their type. Call super.visit inside the overridden visit method to ensure that the node's children are properly traversed.

Author:

Brian S O'Neill

Constructor Summary

Visitor()

Method Summary

R	visit(AndFilter<S> filter, P param)
R	visit(ClosedFilter<S> filter, P param)
R	visit(ExistsFilter<S> filter, P param)
R	visit(OpenFilter<S> filter, P param)
R	visit(OrFilter<S> filter, P param)
R	visit(PropertyFilter<S> filter, P param)

Methods inherited from class java.lang.Object

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

Constructor Detail

Visitor

public Visitor()

Method Detail

visit

public R visit(OrFilter<S> filter,
               P param)

visit

public R visit(AndFilter<S> filter,
               P param)

visit

public R visit(PropertyFilter<S> filter,
               P param)

visit

public R visit(ExistsFilter<S> filter,
               P param)

Since:

1.2

visit

public R visit(OpenFilter<S> filter,
               P param)

visit

public R visit(ClosedFilter<S> filter,
               P param)