HFile.FileInfo (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.io.hfile.HFile.FileInfo

All Implemented Interfaces:

Map<byte[],byte[]>, SortedMap<byte[],byte[]>

Enclosing class:

HFile
```
public static class HFile.FileInfo
extends Object
implements SortedMap<byte[],byte[]>
```
Metadata for this file. Conjured by the writer. Read in by the reader.

Nested Class Summary
- Nested classes/interfaces inherited from interface java.util.Map
  Map.Entry<K,V>

Field Summary

Fields
Modifier and Type Field and Description

static byte[] MAX_TAGS_LEN

Fields
Modifier and Type	Field and Description
`static byte[]`	`MAX_TAGS_LEN`

Constructor Summary

Constructors
Constructor and Description

HFile.FileInfo()

Constructors
Constructor and Description
`HFile.FileInfo()`

Method Summary

Methods
Modifier and Type	Method and Description
`HFile.FileInfo`	`append(byte[] k, byte[] v, boolean checkPrefix)` Append the given key/value pair to the file info, optionally checking the key prefix.
`void`	`clear()`
`Comparator<? super byte[]>`	`comparator()`
`boolean`	`containsKey(Object key)`
`boolean`	`containsValue(Object value)`
`Set<Map.Entry<byte[],byte[]>>`	`entrySet()`
`boolean`	`equals(Object o)`
`byte[]`	`firstKey()`
`byte[]`	`get(Object key)`
`int`	`hashCode()`
`SortedMap<byte[],byte[]>`	`headMap(byte[] toKey)`
`boolean`	`isEmpty()`
`Set<byte[]>`	`keySet()`
`byte[]`	`lastKey()`
`byte[]`	`put(byte[] key, byte[] value)`
`void`	`putAll(Map<? extends byte[],? extends byte[]> m)`
`byte[]`	`remove(Object key)`
`int`	`size()`
`SortedMap<byte[],byte[]>`	`subMap(byte[] fromKey, byte[] toKey)`
`SortedMap<byte[],byte[]>`	`tailMap(byte[] fromKey)`
`Collection<byte[]>`	`values()`

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

- Field Detail
  - MAX_TAGS_LEN
```
public static final byte[] MAX_TAGS_LEN
```
- Constructor Detail
  - HFile.FileInfo
```
public HFile.FileInfo()
```
- Method Detail
  - append
```
public HFile.FileInfo append(byte[] k,
                    byte[] v,
                    boolean checkPrefix)
                      throws IOException
```
    Append the given key/value pair to the file info, optionally checking the key prefix.
    
    Parameters:
    k - key to add
    v - value to add
    checkPrefix - whether to check that the provided key does not start with the reserved prefix
    
    Returns:
    this file info object
    
    Throws:
    
    IOException - if the key or value is invalid
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Map<byte[],byte[]>
  - comparator
```
public Comparator<? super byte[]> comparator()
```
    Specified by:
    
    comparator in interface SortedMap<byte[],byte[]>
  - containsKey
```
public boolean containsKey(Object key)
```
    Specified by:
    
    containsKey in interface Map<byte[],byte[]>
  - containsValue
```
public boolean containsValue(Object value)
```
    Specified by:
    
    containsValue in interface Map<byte[],byte[]>
  - entrySet
```
public Set<Map.Entry<byte[],byte[]>> entrySet()
```
    Specified by:
    
    entrySet in interface Map<byte[],byte[]>
    
    Specified by:
    
    entrySet in interface SortedMap<byte[],byte[]>
  - equals
```
public boolean equals(Object o)
```
    Specified by:
    
    equals in interface Map<byte[],byte[]>
    
    Overrides:
    
    equals in class Object
  - firstKey
```
public byte[] firstKey()
```
    Specified by:
    
    firstKey in interface SortedMap<byte[],byte[]>
  - get
```
public byte[] get(Object key)
```
    Specified by:
    
    get in interface Map<byte[],byte[]>
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Map<byte[],byte[]>
    
    Overrides:
    
    hashCode in class Object
  - headMap
```
public SortedMap<byte[],byte[]> headMap(byte[] toKey)
```
    Specified by:
    
    headMap in interface SortedMap<byte[],byte[]>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Map<byte[],byte[]>
  - keySet
```
public Set<byte[]> keySet()
```
    Specified by:
    
    keySet in interface Map<byte[],byte[]>
    
    Specified by:
    
    keySet in interface SortedMap<byte[],byte[]>
  - lastKey
```
public byte[] lastKey()
```
    Specified by:
    
    lastKey in interface SortedMap<byte[],byte[]>
  - put
```
public byte[] put(byte[] key,
         byte[] value)
```
    Specified by:
    
    put in interface Map<byte[],byte[]>
  - putAll
```
public void putAll(Map<? extends byte[],? extends byte[]> m)
```
    Specified by:
    
    putAll in interface Map<byte[],byte[]>
  - remove
```
public byte[] remove(Object key)
```
    Specified by:
    
    remove in interface Map<byte[],byte[]>
  - size
```
public int size()
```
    Specified by:
    
    size in interface Map<byte[],byte[]>
  - subMap
```
public SortedMap<byte[],byte[]> subMap(byte[] fromKey,
                              byte[] toKey)
```
    Specified by:
    
    subMap in interface SortedMap<byte[],byte[]>
  - tailMap
```
public SortedMap<byte[],byte[]> tailMap(byte[] fromKey)
```
    Specified by:
    
    tailMap in interface SortedMap<byte[],byte[]>
  - values
```
public Collection<byte[]> values()
```
    Specified by:
    
    values in interface Map<byte[],byte[]>
    
    Specified by:
    
    values in interface SortedMap<byte[],byte[]>

Class HFile.FileInfo

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.Map

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MAX_TAGS_LEN

Constructor Detail

HFile.FileInfo

Method Detail

append

clear

comparator

containsKey

containsValue

entrySet

equals

firstKey

get

hashCode

headMap

isEmpty

keySet

lastKey

put

putAll

remove

size

subMap

tailMap

values