Package ch.tocco.nice2.toolbox.api.collection

Class Visitors<N>

java.lang.Object

ch.tocco.nice2.toolbox.api.collection.Visitors<N>

Direct Known Subclasses:

NodeVisitors

public abstract class Visitors<N>
extends Object

Abstract class that implements visiting code. Two callbacks must be provided for those algorithms, one to retrieve the parent of a node and and the other to get children of a node.

This class is meant to be overriden to apply concrete logic. See ch.tocco.nice2.dbrefactoring.model.NodeVisitors for an example.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Visitors.ChildrenCallback<N>
static class	Visitors.ChildrenIterator<N>
static interface	Visitors.ParentCallback<N>
static class	Visitors.ParentIterator<N>

Constructor Summary

Constructors

Constructor	Description
Visitors()

Method Summary

Modifier and Type	Method	Description
protected <R> R	visitChildren(Visitors.ChildrenCallback<N> childrenCallback, N node, NodeVisitor<N,R> visitor)
protected <R> R	visitChildren(Visitors.ChildrenCallback<N> childrenCallback, N node, NodeVisitor<N,R> visitor, Predicate<N> predicate)
protected <R> R	visitParents(Visitors.ParentCallback<N> parentCallback, N node, NodeVisitor<N,R> visitor)
protected <R> R	visitParents(Visitors.ParentCallback<N> parentCallback, N node, NodeVisitor<N,R> visitor, Predicate<N> predicate)

Methods inherited from class java.lang.Object

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

Constructor Details

Visitors

public Visitors()

Method Details

visitParents

protected <R> R visitParents(Visitors.ParentCallback<N> parentCallback,
 N node,
 NodeVisitor<N,R> visitor)

visitParents

protected <R> R visitParents(Visitors.ParentCallback<N> parentCallback,
 N node,
 NodeVisitor<N,R> visitor,
 Predicate<N> predicate)

visitChildren

protected <R> R visitChildren(Visitors.ChildrenCallback<N> childrenCallback,
 N node,
 NodeVisitor<N,R> visitor)

visitChildren

protected <R> R visitChildren(Visitors.ChildrenCallback<N> childrenCallback,
 N node,
 NodeVisitor<N,R> visitor,
 Predicate<N> predicate)