NameDistributionVisitor (Hadoop 1.2.2-SNAPSHOT API)

```
@InterfaceAudience.Private
public class NameDistributionVisitor
extends Object
```
File name distribution visitor.
It analyzes file names in fsimage and prints the following information:
Number of unique file names
Number file names and the corresponding number range of files that use these same names
Heap saved if the file name objects are reused

嵌套类
限定符和类型	类和说明
`static class`	`ImageVisitor.ImageElement` Structural elements of an FSImage that may be encountered within the file.

构造器
构造器和说明
`NameDistributionVisitor(String filename, boolean printToScreen)`

方法
限定符和类型	方法和说明
`protected void`	`write(String toWrite)` Write parameter to output file (and possibly screen).

public NameDistributionVisitor(String filename,
                       boolean printToScreen)
                        throws IOException

类 NameDistributionVisitor