Package com.exasol.util

Class AbstractTree

java.lang.Object

com.exasol.util.AbstractTree

All Implemented Interfaces:

TreeNode

Direct Known Subclasses:

AbstractBottomUpTreeNode, AbstractTreeNode

public abstract class AbstractTree
extends Object
implements TreeNode

An abstract base for TreeNode implementations.

Field Summary

Fields

Modifier and Type	Field	Description
protected List<TreeNode>	children
protected TreeNode	parent

Constructor Summary

Constructors

Constructor	Description
AbstractTree()

Method Summary

Modifier and Type	Method	Description
TreeNode	getChild(int index)	Get child node by position in the list of siblings.
List<TreeNode>	getChildren()	Get all child nodes of this node
TreeNode	getParent()	Get the parent of this node
boolean	isChild()	Check whether this node is a child node
boolean	isFirstSibling()	Check whether a child is the first in the list of siblings
boolean	isRoot()	Check whether this node is the root of the tree.
boolean	isSibling(TreeNode node)	Check whether this node is a sibling of the second node.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.util.TreeNode

addChild, getRoot, setParent

Field Detail

parent

protected TreeNode parent

children

protected List<TreeNode> children

Constructor Detail

AbstractTree

public AbstractTree()

Method Detail

getParent

public TreeNode getParent()

Description copied from interface: TreeNode

Get the parent of this node

Specified by:

getParent in interface TreeNode

Returns:

parent node

getChildren

public List<TreeNode> getChildren()

Description copied from interface: TreeNode

Get all child nodes of this node

Specified by:

getChildren in interface TreeNode

Returns:

child nodes

getChild

public TreeNode getChild(int index)

Description copied from interface: TreeNode

Get child node by position in the list of siblings. The position depends on the order in which the children were added.

Specified by:

getChild in interface TreeNode

Parameters:

index - position in the list of siblings

Returns:

child node at position

isRoot

public boolean isRoot()

Description copied from interface: TreeNode

Check whether this node is the root of the tree.

Specified by:

isRoot in interface TreeNode

Returns:

true if this node is the root

isChild

public boolean isChild()

Description copied from interface: TreeNode

Check whether this node is a child node

Specified by:

isChild in interface TreeNode

Returns:

true if the node is a child of another node

isFirstSibling

public boolean isFirstSibling()

Description copied from interface: TreeNode

Check whether a child is the first in the list of siblings

Specified by:

isFirstSibling in interface TreeNode

Returns:

true if the child is the first in the list of siblings

isSibling

public boolean isSibling(TreeNode node)

Description copied from interface: TreeNode

Check whether this node is a sibling of the second node.

Specified by:

isSibling in interface TreeNode

Parameters:

node - second node

Returns:

true if two nodes are siblings