public class ParseDoubleTransform extends BaseTransform
inputSchema
Constructor and Description |
---|
ParseDoubleTransform() |
Modifier and Type | Method and Description |
---|---|
String |
columnName()
Returns a singular column name
this op is meant to run on
|
String[] |
columnNames()
Returns column names
this op is meant to run on
|
List<Writable> |
map(List<Writable> writables)
Transform a writable
in to another writable
|
Object |
map(Object input)
Transform an object
in to another object
|
Object |
mapSequence(Object sequence)
Transform a sequence
|
String |
outputColumnName()
The output column name
after the operation has been applied
|
String[] |
outputColumnNames()
The output column names
This will often be the same as the input
|
String |
toString() |
Schema |
transform(Schema inputSchema)
Get the output schema for this transformation, given an input schema
|
getInputSchema, mapSequence, setInputSchema
public String toString()
toString
in class BaseTransform
public Schema transform(Schema inputSchema)
inputSchema
- public List<Writable> map(List<Writable> writables)
Transform
writables
- the record to transformpublic Object map(Object input)
input
- the record to transformpublic String outputColumnName()
public String[] outputColumnNames()
public String[] columnNames()
public String columnName()
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