SmooshedFileMapper (druid-processing 28.0.0 API)

java.lang.Object
- org.apache.druid.java.util.common.io.smoosh.SmooshedFileMapper

All Implemented Interfaces:

Closeable, AutoCloseable
```
public class SmooshedFileMapper
extends Object
implements Closeable
```
Class that works in conjunction with FileSmoosher. This class knows how to map in a set of files smooshed by the FileSmoosher.

Field Summary

Fields
Modifier and Type	Field	Description
`static com.google.common.collect.Interner<String>`	`STRING_INTERNER`	Interner for smoosh internal files, which includes all column names since every column has an internal file associated with it

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`
`Set<String>`	`getInternalFilenames()`
`static SmooshedFileMapper`	`load(File baseDir)`
`ByteBuffer`	`mapFile(String name)`	Returns a mapped buffer of the smooshed file with the given name.

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

- Field Detail
  - STRING_INTERNER
```
public static final com.google.common.collect.Interner<String> STRING_INTERNER
```
    Interner for smoosh internal files, which includes all column names since every column has an internal file associated with it
- Method Detail
  - load
```
public static SmooshedFileMapper load(File baseDir)
                               throws IOException
```
    Throws:
    
    IOException
  - getInternalFilenames
```
public Set<String> getInternalFilenames()
```
  - mapFile
```
public ByteBuffer mapFile(String name)
                   throws IOException
```
    Returns a mapped buffer of the smooshed file with the given name. Buffer's contents from 0 to capacity() are the whole mapped file contents, limit() is equal to capacity().
    
    Throws:
    
    IOException
  - close
```
public void close()
```
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Closeable