com.asakusafw.directio.hive.serde

Class DataModelDriver

java.lang.Object

com.asakusafw.directio.hive.serde.DataModelDriver

public class DataModelDriver
extends Object

Drives a value into an Asakusa data model.

Since:

0.7.0

Constructor Summary

Constructors

Constructor and Description
DataModelDriver(DataModelDescriptor descriptor, org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector sourceInspector) Creates a new instance.
DataModelDriver(DataModelDescriptor descriptor, org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector sourceInspector, DataModelMapping configuration) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
List<org.apache.hadoop.hive.serde2.objectinspector.StructField>	getSourceFields() Returns source field references which will be actually mapped into the data model.
org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector	getSourceInspector() Returns the source object inspector.
void	set(Object dataModel, Object source) Sets data model properties from the source object.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataModelDriver

public DataModelDriver(DataModelDescriptor descriptor,
                       org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector sourceInspector)

Creates a new instance.

Parameters:

descriptor - the target data model descriptor

sourceInspector - the object inspector for the drive data

DataModelDriver

public DataModelDriver(DataModelDescriptor descriptor,
                       org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector sourceInspector,
                       DataModelMapping configuration)

Creates a new instance.

Parameters:

descriptor - the target data model descriptor

sourceInspector - the object inspector for the drive data

configuration - the driver configuration

Method Detail

getSourceInspector

public org.apache.hadoop.hive.serde2.objectinspector.StructObjectInspector getSourceInspector()

Returns the source object inspector.

Returns:

the source object inspector

getSourceFields

public List<org.apache.hadoop.hive.serde2.objectinspector.StructField> getSourceFields()

Returns source field references which will be actually mapped into the data model.

Returns:

source field references

set

public void set(Object dataModel,
                Object source)

Sets data model properties from the source object.

Parameters:

dataModel - the data model object

source - the source object