Java Module jdk.compiler Package com.sun.source.util Class DocTreePathScanner<R,P>（JDK11）

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java.lang.Object
- com.sun.source.util.DocTreeScanner<R,P>
- - com.sun.source.util.DocTreePathScanner<R,P>

All Implemented Interfaces:

DocTreeVisitor<R,P>
```
public class DocTreePathScanner<R,P>
extends DocTreeScanner<R,P>
```
A DocTreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes. To visit nodes of a particular type, just override the corresponding visitorXYZ method. Inside your method, call super.visitXYZ to visit descendant nodes.

Since:

1.8

Constructor Summary

Constructors
Constructor	Description
`DocTreePathScanner()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`DocTreePath`	`getCurrentPath()`	Returns the current path for the node, as built up by the currently active set of scan calls.
`R`	`scan(DocTree tree, P p)`	Scans a single node.
`R`	`scan(DocTreePath path, P p)`	Scans a tree from a position identified by a tree path.

Methods declared in class com.sun.source.util.DocTreeScanner
reduce, scan, visitAttribute, visitAuthor, visitComment, visitDeprecated, visitDocComment, visitDocRoot, visitDocType, visitEndElement, visitEntity, visitErroneous, visitHidden, visitIdentifier, visitIndex, visitInheritDoc, visitLink, visitLiteral, visitOther, visitParam, visitProvides, visitReference, visitReturn, visitSee, visitSerial, visitSerialData, visitSerialField, visitSince, visitStartElement, visitSummary, visitText, visitThrows, visitUnknownBlockTag, visitUnknownInlineTag, visitUses, visitValue, visitVersion

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

- Constructor Detail
  - DocTreePathScanner
```
public DocTreePathScanner()
```
- Method Detail
  - scan
```
public R scan(DocTreePath path,
              P p)
```
    Scans a tree from a position identified by a tree path.
    
    Parameters:
    
    path - the path
    
    p - a value to be passed to visitor methods
    
    Returns:
    
    the result returned from the main visitor method
  - scan
```
public R scan(DocTree tree,
              P p)
```
    Scans a single node. The current path is updated for the duration of the scan.
    
    Overrides:
    
    scan in class DocTreeScanner<R,P>
    
    Parameters:
    
    tree - the tree to be scanned
    
    p - a value to be passed to visitor methods
    
    Returns:
    
    the result returned from the main visitor method
  - getCurrentPath
```
public DocTreePath getCurrentPath()
```
    Returns the current path for the node, as built up by the currently active set of scan calls.
    
    Returns:
    
    the current path

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