Package 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.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Component.Type	WARNING: Be careful while changing the names or string representation of the enum members.

Field Summary

Fields

Modifier and Type	Field	Description
int	hashCode
java.lang.String	name
static char	separator
Component.Type	type

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
static java.lang.Iterable<Component>	getSingletonsFor(java.lang.Class<? extends SSTableFormat<?,?>> formatClass)
static java.lang.Iterable<Component>	getSingletonsFor(SSTableFormat<?,?> format)
int	hashCode()
boolean	isValidFor(Descriptor descriptor)
java.lang.String	name()
static Component	parse(java.lang.String name, SSTableFormat<?,?> format)	Parse the component part of a sstable filename into a Component object.
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

type

public final Component.Type type

name

public final java.lang.String name

hashCode

public final int hashCode

Method Detail

name

public java.lang.String name()

Returns:

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

parse

public static Component parse(java.lang.String name,
                              SSTableFormat<?,?> format)

Parse the component part of a sstable filename into a Component object.

Parameters:

name - a string representing a sstable component.

Returns:

the component corresponding to name. Note that this always return a component as an unrecognized name is parsed into a CUSTOM component.

getSingletonsFor

public static java.lang.Iterable<Component> getSingletonsFor(SSTableFormat<?,?> format)

getSingletonsFor

public static java.lang.Iterable<Component> getSingletonsFor(java.lang.Class<? extends SSTableFormat<?,?>> formatClass)

isValidFor

public boolean isValidFor(Descriptor descriptor)

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