FileHash

```
public interface FileHash
```
An interface representing the hash of a file.
DirectoryWatcher uses the equals() method on the member classes of this interface to determine if the content of a file has changed.

Field Summary

Fields
Modifier and Type Field Description

static FileHash DIRECTORY
A special hash instance used by DirectoryWatcher to represent a directory

Method Summary

All Methods Static Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`byte[]`	`asBytes()`
`default java.lang.String`	`asString()`
`static FileHash`	`directory()`
`static FileHash`	`fromBytes(byte[] value)`
`static FileHash`	`fromLong(long value)`

- Field Detail
  - DIRECTORY
```
static final FileHash DIRECTORY
```
    A special hash instance used by DirectoryWatcher to represent a directory
- Method Detail
  - fromBytes
```
static FileHash fromBytes(byte[] value)
```
  - fromLong
```
static FileHash fromLong(long value)
```
  - directory
```
static FileHash directory()
```
  - asString
```
default java.lang.String asString()
```
    Returns:
    
    A representation of this hash as a human-readable string
  - asBytes
```
byte[] asBytes()
```
    Returns:
    
    a representation of this hash as a byte array.