GridTreePrinter (Ignite 2.17.0)

java.lang.Object
- org.apache.ignite.internal.util.lang.GridTreePrinter<T>

public abstract class GridTreePrinter<T>
extends Object

Abstract tree structure printer.

Constructor Summary

Constructors
Constructor Description

GridTreePrinter()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract String`	`formatTreeNode(T treeNode)`
`protected abstract List<T>`	`getChildren(T treeNode)`	Returns list of tree node children.
`String`	`print(T rootNode)`
`void`	`print(T rootNode, Appendable a)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GridTreePrinter
```
public GridTreePrinter()
```
- Method Detail
  - print
```
public void print(T rootNode,
                  Appendable a)
           throws IOException
```
    Parameters:
    
    rootNode - Root tree node.
    
    a - Output.
    
    Throws:
    
    IOException
  - print
```
public String print(T rootNode)
```
    Parameters:
    
    rootNode - Root tree node.
    
    Returns:
    
    String representation of the tree.
  - getChildren
```
protected abstract List<T> getChildren(T treeNode)
```
    Returns list of tree node children.
    
    Parameters:
    
    treeNode - The tree node.
    
    Returns:
    
    List of children (possibly empty, if it is a leaf page) or null if the node can't be read (e.g., is locked).
  - formatTreeNode
```
protected abstract String formatTreeNode(T treeNode)
```
    Parameters:
    
    treeNode - Tree node.
    
    Returns:
    
    String representation.