public class CustomTransform extends BaseColumnTransform
columnName, columnNumber
inputSchema
Constructor and Description |
---|
CustomTransform(java.lang.String columnName,
double someArg) |
Modifier and Type | Method and Description |
---|---|
ColumnMetaData |
getNewColumnMetaData(java.lang.String newName,
ColumnMetaData oldColumnType) |
java.lang.Object |
map(java.lang.Object input)
Transform an object
in to another object
|
Writable |
map(Writable columnWritable) |
java.lang.String |
toString() |
columnName, columnNames, equals, hashCode, map, mapSequence, outputColumnName, outputColumnNames, setInputSchema, transform
getInputSchema, mapSequence
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
getInputSchema
public CustomTransform(java.lang.String columnName, double someArg)
public ColumnMetaData getNewColumnMetaData(java.lang.String newName, ColumnMetaData oldColumnType)
getNewColumnMetaData
in class BaseColumnTransform
public Writable map(Writable columnWritable)
map
in class BaseColumnTransform
public java.lang.String toString()
toString
in class BaseColumnTransform
public java.lang.Object map(java.lang.Object input)
Transform
input
- the record to transform