org.apache.hadoop.hbase.io.hfile

Class HFile.FileInfo

java.lang.Object

org.apache.hadoop.hbase.io.hfile.HFile.FileInfo

All Implemented Interfaces:

java.util.Map<byte[],byte[]>, java.util.SortedMap<byte[],byte[]>

Enclosing class:

HFile

public static class HFile.FileInfo
extends java.lang.Object
implements java.util.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

java.util.Map.Entry<K,V>

Field Summary

Fields

Modifier and Type	Field and Description
static byte[]	MAX_TAGS_LEN

Constructor Summary

Constructors

Constructor and Description
FileInfo()

Method Summary

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()
java.util.Comparator<? super byte[]>	comparator()
boolean	containsKey(java.lang.Object key)
boolean	containsValue(java.lang.Object value)
java.util.Set<java.util.Map.Entry<byte[],byte[]>>	entrySet()
boolean	equals(java.lang.Object o)
byte[]	firstKey()
byte[]	get(java.lang.Object key)
int	hashCode()
java.util.SortedMap<byte[],byte[]>	headMap(byte[] toKey)
boolean	isEmpty()
java.util.Set<byte[]>	keySet()
byte[]	lastKey()
byte[]	put(byte[] key, byte[] value)
void	putAll(java.util.Map<? extends byte[],? extends byte[]> m)
byte[]	remove(java.lang.Object key)
int	size()
java.util.SortedMap<byte[],byte[]>	subMap(byte[] fromKey, byte[] toKey)
java.util.SortedMap<byte[],byte[]>	tailMap(byte[] fromKey)
java.util.Collection<byte[]>	values()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Detail

MAX_TAGS_LEN

public static final byte[] MAX_TAGS_LEN

Constructor Detail

FileInfo

public FileInfo()

Method Detail

append

public HFile.FileInfo append(byte[] k,
                             byte[] v,
                             boolean checkPrefix)
                      throws java.io.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:

java.io.IOException - if the key or value is invalid

clear

public void clear()

Specified by:

clear in interface java.util.Map<byte[],byte[]>

comparator

public java.util.Comparator<? super byte[]> comparator()

Specified by:

comparator in interface java.util.SortedMap<byte[],byte[]>

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map<byte[],byte[]>

containsValue

public boolean containsValue(java.lang.Object value)

Specified by:

containsValue in interface java.util.Map<byte[],byte[]>

entrySet

public java.util.Set<java.util.Map.Entry<byte[],byte[]>> entrySet()

Specified by:

entrySet in interface java.util.Map<byte[],byte[]>

Specified by:

entrySet in interface java.util.SortedMap<byte[],byte[]>

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Map<byte[],byte[]>

Overrides:

equals in class java.lang.Object

firstKey

public byte[] firstKey()

Specified by:

firstKey in interface java.util.SortedMap<byte[],byte[]>

get

public byte[] get(java.lang.Object key)

Specified by:

get in interface java.util.Map<byte[],byte[]>

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Map<byte[],byte[]>

Overrides:

hashCode in class java.lang.Object

headMap

public java.util.SortedMap<byte[],byte[]> headMap(byte[] toKey)

Specified by:

headMap in interface java.util.SortedMap<byte[],byte[]>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map<byte[],byte[]>

keySet

public java.util.Set<byte[]> keySet()

Specified by:

keySet in interface java.util.Map<byte[],byte[]>

Specified by:

keySet in interface java.util.SortedMap<byte[],byte[]>

lastKey

public byte[] lastKey()

Specified by:

lastKey in interface java.util.SortedMap<byte[],byte[]>

put

public byte[] put(byte[] key,
                  byte[] value)

Specified by:

put in interface java.util.Map<byte[],byte[]>

putAll

public void putAll(java.util.Map<? extends byte[],? extends byte[]> m)

Specified by:

putAll in interface java.util.Map<byte[],byte[]>

remove

public byte[] remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<byte[],byte[]>

size

public int size()

Specified by:

size in interface java.util.Map<byte[],byte[]>

subMap

public java.util.SortedMap<byte[],byte[]> subMap(byte[] fromKey,
                                                 byte[] toKey)

Specified by:

subMap in interface java.util.SortedMap<byte[],byte[]>

tailMap

public java.util.SortedMap<byte[],byte[]> tailMap(byte[] fromKey)

Specified by:

tailMap in interface java.util.SortedMap<byte[],byte[]>

values

public java.util.Collection<byte[]> values()

Specified by:

values in interface java.util.Map<byte[],byte[]>

Specified by:

values in interface java.util.SortedMap<byte[],byte[]>