Package edu.caltech.nanodb.indexes

Enum Class IndexType

java.lang.Object

java.lang.Enum<IndexType>

edu.caltech.nanodb.indexes.IndexType

All Implemented Interfaces:

Serializable, Comparable<IndexType>, Constable

public enum IndexType
extends Enum<IndexType>

This enumeration represents the different kinds of indexes that NanoDB supports, since different kinds of indexes facilitate different kinds of lookups with different performance characteristics.

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
HASHED_INDEX	Represents indexes that hash values to determine a tuple's location.
ORDERED_INDEX	Represents indexes that order values to determine a tuple's location.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	IndexType()

Method Summary

Modifier and Type	Method	Description
static IndexType	valueOf(String name)	Returns the enum constant of this class with the specified name.
static IndexType[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

ORDERED_INDEX

public static final IndexType ORDERED_INDEX

Represents indexes that order values to determine a tuple's location.

HASHED_INDEX

public static final IndexType HASHED_INDEX

Represents indexes that hash values to determine a tuple's location.

Constructor Details

IndexType

private IndexType()

Method Details

values

public static IndexType[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static IndexType valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null