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

Class SketchRoundUpMapper

java.lang.Object

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

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

All Implemented Interfaces:

ColumnMapper

public class SketchRoundUpMapper
extends ResultSetMapper
implements ColumnMapper

Mapper to round floating point values to their ceiling. If a metric is null, the original result is passed along unmodified.

Constructor Summary

Constructors

Constructor and Description
SketchRoundUpMapper(FieldName columnName) The column name to round.
SketchRoundUpMapper(String columnName) The column name to round.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o) Since a ResultSetMapper has no state associated with it, we consider two ResultSetMappers to be the same iff they are of the same class.
int	hashCode()
protected Result	map(Result result, ResultSetSchema schema) Returns a transformed result row, or null if the row is removed.
protected ResultSetSchema	map(ResultSetSchema schema) Returns a transformed schema.
ResultSetMapper	withColumnName(String newColumnName) Deprecated.

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

map

Methods inherited from class java.lang.Object

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

Constructor Detail

SketchRoundUpMapper

public SketchRoundUpMapper(FieldName columnName)

The column name to round.

Parameters:

columnName - The column name

SketchRoundUpMapper

public SketchRoundUpMapper(String columnName)

The column name to round.

Parameters:

columnName - The column name

Method Detail

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

withColumnName

@Deprecated
public ResultSetMapper withColumnName(String newColumnName)

Deprecated.

Description copied from interface: ColumnMapper

Returns a copy of this ResultSetMapper with the specified columnName.

Specified by:

withColumnName in interface ColumnMapper

Parameters:

newColumnName - The name of column used to construct the mapper

Returns:

A ResultSetMapper constructed using columnName

equals

public boolean equals(Object o)

Description copied from class: ResultSetMapper

Since a ResultSetMapper has no state associated with it, we consider two ResultSetMappers to be the same iff they are of the same class.

Overrides:

equals in class ResultSetMapper

Parameters:

o - The object this is being compared to

Returns:

true if the objects have the same class, false otherwise.

hashCode

public int hashCode()

Overrides:

hashCode in class ResultSetMapper