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	DATA
static Component	FILTER
int	hashCode
int	id
static Component	PRIMARY_INDEX
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-][-]-", where is of the form "[-]".
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

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

STATS

public static final Component STATS

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-][-]-", where is of the form "[-]".

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