com.yahoo.bard.webservice.data.metric.mappers

Class DateTimeSortMapper

java.lang.Object

com.yahoo.bard.webservice.data.metric.mappers.ResultSetMapper

com.yahoo.bard.webservice.data.metric.mappers.DateTimeSortMapper

public class DateTimeSortMapper
extends ResultSetMapper

Mapper to sort the result set based on dateTime column sort direction.

Constructor Summary

Constructors

Constructor and Description
DateTimeSortMapper(SortDirection direction) Constructor.

Method Summary

Modifier and Type	Method and Description
protected Result	map(Result result, ResultSetSchema schema) Returns a transformed result row, or null if the row is removed.
ResultSet	map(ResultSet resultSet) Sorting the resultSet based on dateTime column sort direction.
protected ResultSetSchema	map(ResultSetSchema schema) Returns a transformed schema.

Methods inherited from class com.yahoo.bard.webservice.data.metric.mappers.ResultSetMapper

equals, hashCode

Methods inherited from class java.lang.Object

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

Constructor Detail

DateTimeSortMapper

public DateTimeSortMapper(SortDirection direction)

Constructor.

Parameters:

direction - Sort direction

Method Detail

map

public ResultSet map(ResultSet resultSet)

Sorting the resultSet based on dateTime column sort direction.

Overrides:

map in class ResultSetMapper

Parameters:

resultSet - The result set need to be sorted in ascending or descending order

Returns:

sorted ResultSet

map

protected Result map(Result result,
                     ResultSetSchema schema)

Description copied from class: ResultSetMapper

Returns a transformed result row, or null if the row is removed.

Specified by:

map in class ResultSetMapper

Parameters:

result - The result row being transformed

schema - The schema for that result

Returns:

The result row, a modified copy, or null (if row is eliminated)

map

protected ResultSetSchema map(ResultSetSchema schema)

Description copied from class: ResultSetMapper

Returns a transformed schema.

Specified by:

map in class ResultSetMapper

Parameters:

schema - The schema being mapped

Returns:

The same schema or a new (altered) one