X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fnet%2Fpterodactylus%2Futil%2Fdata%2FNode.java;h=3ba6004883c3f6b7d97b99c73dd900538e13cf9c;hb=364659907c0364092e78824d3eea4a13fecd831b;hp=7737d5027c649766523224194db23bdc868e5b28;hpb=415d6680a02bfbd85ad3f154a7c7f2aee5453549;p=jSite2.git

diff --git a/src/net/pterodactylus/util/data/Node.java b/src/net/pterodactylus/util/data/Node.java
index 7737d50..3ba6004 100644
--- a/src/net/pterodactylus/util/data/Node.java
+++ b/src/net/pterodactylus/util/data/Node.java
@@ -54,6 +54,36 @@ public interface Node<E> extends Iterable<Node<E>> {
 	public Node<E> getChild(int index);
 
 	/**
+	 * Returns whether the given node is a direct child of this node.
+	 * 
+	 * @param childNode
+	 *            The child node
+	 * @return <code>true</code> if the given node is a direct child of this
+	 *         node, <code>false</code> otherwise
+	 */
+	public boolean hasChildNode(Node<E> childNode);
+
+	/**
+	 * Returns the index of the given child node.
+	 * 
+	 * @param childNode
+	 *            The child node
+	 * @return The index of the child node, or <code>-1</code> if the child
+	 *         node is not a child node of this node
+	 */
+	public int getIndexOfChild(Node<E> childNode);
+
+	/**
+	 * Returns the index of the child node containing the given element.
+	 * 
+	 * @param element
+	 *            The element
+	 * @return The index of the child node, or <code>-1</code> if the child
+	 *         node is not a child node of this node
+	 */
+	public int getIndexOfChild(E element);
+
+	/**
 	 * Remove the given child node from this node. If the given node is not a
 	 * child of this node, nothing happens.
 	 * 
@@ -84,4 +114,15 @@ public interface Node<E> extends Iterable<Node<E>> {
 	 */
 	public Iterator<Node<E>> iterator();
 
+	/**
+	 * Searches this node’s children recursively for a node that contains the
+	 * given element.
+	 * 
+	 * @param element
+	 *            The element to search
+	 * @return The node that contains the given element, or <code>null</code>
+	 *         if no node could be found
+	 */
+	public Node<E> findChild(E element);
+
 }
\ No newline at end of file