Package com.apicatalog.tree.io

Class NodeModel

java.lang.Object

com.apicatalog.tree.io.NodeModel

public class NodeModel
extends Object

Immutable representation of a tree structure accessed through a NodeAdapter.

A NodeModel instance binds a node with its adapter, providing a uniform way to traverse or compare trees of arbitrary underlying object models.

Field Summary

Fields

Modifier and Type	Field	Description
protected final NodeAdapter	adapter
protected final Object	node

Constructor Summary

Constructors

Constructor	Description
NodeModel(Object node, NodeAdapter adapter)	Creates a new immutable tree with the given root node and adapter.

Method Summary

Modifier and Type	Method	Description
NodeAdapter	adapter()
static Comparator<Map.Entry<?,?>>	comparingEntry(Function<Map.Entry<?,?>,Comparable> keyExtractor)
static Comparator<?>	comparingNode(Function<Object,Comparable> keyExtractor)
(package private) static final boolean	deepEquals(Object left, NodeAdapter leftAdapter, Object right, NodeAdapter rightAdapter)
protected static boolean	deepEqualsCollection(Iterable<? extends Object> left, NodeAdapter leftAdapter, Iterable<? extends Object> right, NodeAdapter rightAdapter)
Object	node()

Methods inherited from class java.lang.Object

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

Field Details

adapter

protected final NodeAdapter adapter

node

protected final Object node

Constructor Details

NodeModel

public NodeModel(Object node,
 NodeAdapter adapter)

Creates a new immutable tree with the given root node and adapter.

Parameters:

node - the root node of the tree, must not be null

adapter - the adapter providing access to node types and values, must not be null

Throws:

NullPointerException - if root or adapter is null

Method Details

adapter

public NodeAdapter adapter()

node

public Object node()

deepEquals

static final boolean deepEquals(Object left,
 NodeAdapter leftAdapter,
 Object right,
 NodeAdapter rightAdapter)

deepEqualsCollection

protected static boolean deepEqualsCollection(Iterable<? extends Object> left,
 NodeAdapter leftAdapter,
 Iterable<? extends Object> right,
 NodeAdapter rightAdapter)

comparingEntry

public static Comparator<Map.Entry<?,?>> comparingEntry(Function<Map.Entry<?,?>,Comparable> keyExtractor)

comparingNode

public static Comparator<?> comparingNode(Function<Object,Comparable> keyExtractor)