org.apache.cassandra.io.sstable
Class Component

java.lang.Object
  org.apache.cassandra.io.sstable.Component

public class Component
extends java.lang.Object

SSTables are made up of multiple components in separate files. Components are identified by a type and an id, but required unique components (such as the Data and Index files) may have implicit ids assigned to them.

Field Summary

static Component	COMPACTED_MARKER
static Component	COMPRESSION_INFO
static Component	DATA
static Component	DIGEST
static Component	FILTER
int	hashCode
int	id
static Component	PRIMARY_INDEX
static char	separator
static Component	STATS
org.apache.cassandra.io.sstable.Component.Type	type

Constructor Summary

Component(org.apache.cassandra.io.sstable.Component.Type type)

Component(org.apache.cassandra.io.sstable.Component.Type type, int id)

Method Summary

boolean	equals(java.lang.Object o)
static Pair<Descriptor,Component>	fromFilename(java.io.File directory, java.lang.String name) Filename of the form "/-[tmp-][-]-",
int	hashCode()
java.lang.String	name()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

separator

public static final char separator

See Also:

Constant Field Values

DATA

public static final Component DATA

PRIMARY_INDEX

public static final Component PRIMARY_INDEX

FILTER

public static final Component FILTER

COMPACTED_MARKER

public static final Component COMPACTED_MARKER

COMPRESSION_INFO

public static final Component COMPRESSION_INFO

STATS

public static final Component STATS

DIGEST

public static final Component DIGEST

type

public final org.apache.cassandra.io.sstable.Component.Type type

id

public final int id

hashCode

public final int hashCode

Constructor Detail

Component

public Component(org.apache.cassandra.io.sstable.Component.Type type)

Component

public Component(org.apache.cassandra.io.sstable.Component.Type type,
                 int id)

Method Detail

name

public java.lang.String name()

Returns:

The unique (within an sstable) name for this component.

fromFilename

public static Pair<Descriptor,Component> fromFilename(java.io.File directory,
                                                      java.lang.String name)

Filename of the form "/-[tmp-][-]-",

Returns:

A Descriptor for the SSTable, and a Component for this particular file. TODO move descriptor into Component field

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object