Package tech.tablesaw.index

Class StringIndex

java.lang.Object

tech.tablesaw.index.StringIndex

All Implemented Interfaces:

Index

public class StringIndex
extends Object
implements Index

TODO: Implement range query methods? See (e.g) ShortIndex for examples An index for String and Text columns

Constructor Summary

Constructors

Constructor	Description
StringIndex(AbstractStringColumn<?> column)	Creates an index on the given AbstractStringColumn

Method Summary

Modifier and Type	Method	Description
Selection	get(String value)	Returns a bitmap Selection containing row numbers of all cells matching the given int

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StringIndex

public StringIndex(AbstractStringColumn<?> column)

Creates an index on the given AbstractStringColumn

Method Details

get

public Selection get(String value)

Returns a bitmap Selection containing row numbers of all cells matching the given int

Parameters:

value - This is a 'key' from the index perspective, meaning it is a value from the standpoint of the column