Package org.apache.cassandra.io.sstable

Class Component

java.lang.Object

org.apache.cassandra.io.sstable.Component

public class Component
extends 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 final 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
final int	hashCode
final String	name
static final char	separator
final Component.Type	type

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Details

separator

public static final char separator

See Also:

• Constant Field Values

type

public final Component.Type type

name

public final String name

hashCode

public final int hashCode

Method Details

name

public String name()

Returns:

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

parse

public static Component parse(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 Iterable<Component> getSingletonsFor(SSTableFormat<?,?> format)

getSingletonsFor

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

isValidFor

public boolean isValidFor(Descriptor descriptor)

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object