Package com.amazonaws.athena.connector.util

Class PaginationHelper

java.lang.Object

com.amazonaws.athena.connector.util.PaginationHelper

public class PaginationHelper
extends Object

Method Summary

Modifier and Type	Method	Description
static String	calculateNextToken(int token, int pageSize, List<TableName> paginatedTables)	Calculates the nextToken or index to begin next pagination based on number of tables returns and pageSize.
static ListTablesResponse	manualPagination(List<TableName> allTables, String token, int pageSize, String catalogName)	Performs a manual or "fake" pagination.
static int	validateAndParsePaginationArguments(String nextToken, int pageSize)	Validates that nextToken and pageSize are valid non-negative integers, with the exception of pageSize allowed to be -1 signifying unlimited pages.

Methods inherited from class java.lang.Object

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

Method Detail

validateAndParsePaginationArguments

public static int validateAndParsePaginationArguments(String nextToken,
                                                      int pageSize)

Validates that nextToken and pageSize are valid non-negative integers, with the exception of pageSize allowed to be -1 signifying unlimited pages.

Parameters:

nextToken -

pageSize -

Returns:

int nextToken

manualPagination

public static ListTablesResponse manualPagination(List<TableName> allTables,
                                                  String token,
                                                  int pageSize,
                                                  String catalogName)

Performs a manual or "fake" pagination. Takes a list of allTables retrieved and returns a subset of tables based off of startToken and pageSize.

Parameters:

token - the start position in the subset

pageSize - the number of tables to retrieve

catalogName - required to return in ListTableResponse

Returns:

ListTableResponse with subset of tables.

calculateNextToken

public static String calculateNextToken(int token,
                                        int pageSize,
                                        List<TableName> paginatedTables)

Calculates the nextToken or index to begin next pagination based on number of tables returns and pageSize.

Parameters:

token - the start position in the subset

pageSize - the number of tables to retrieve

paginatedTables - sublist of tables that were returned after pagination

Returns:

ListTableResponse with subset of tables.