oracle.spatial.hadoop.vector.data.conf

Class InputDataSetConfiguratorHandler

java.lang.Object

oracle.spatial.hadoop.vector.data.conf.InputDataSetConfiguratorHandler

Direct Known Subclasses:

DynamicInputDataSetConfiguratorHandler

public abstract class InputDataSetConfiguratorHandler
extends java.lang.Object

A handler of InputDataSetConfigurator instances. Given an instance of AbstractInputDataSet, a configurator handler will look at its list of InputDataSetConfigurator to find a configurator that can be used to setup the given input data set.

Constructor Summary

Constructors

Constructor and Description
InputDataSetConfiguratorHandler()

Method Summary

Methods

Modifier and Type	Method and Description
void	configure(AbstractInputDataSet dataSet, org.apache.hadoop.conf.Configuration conf) Looks for a configurator suited for the input data set and calls the InputDataSetConfigurator#configure(AbstractInputDataSet, Configuration) if found.
abstract java.lang.Iterable<InputDataSetConfigurator>	getConfigurators(org.apache.hadoop.conf.Configuration conf) Gets a collection of InputDataSetConfigurator instances supported by this handler.
boolean	isMultiInputSupported(org.apache.hadoop.conf.Configuration conf)
boolean	isSingleInputSupported(org.apache.hadoop.conf.Configuration conf)

Methods inherited from class java.lang.Object

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

Constructor Detail

InputDataSetConfiguratorHandler

public InputDataSetConfiguratorHandler()

Method Detail

getConfigurators

public abstract java.lang.Iterable<InputDataSetConfigurator> getConfigurators(org.apache.hadoop.conf.Configuration conf)

Gets a collection of InputDataSetConfigurator instances supported by this handler.

Parameters:

conf -

Returns:

configure

public void configure(AbstractInputDataSet dataSet,
             org.apache.hadoop.conf.Configuration conf)
               throws java.lang.Exception

Looks for a configurator suited for the input data set and calls the InputDataSetConfigurator#configure(AbstractInputDataSet, Configuration) if found. If no configurator is found and Exception is raised

Parameters:

dataSet - an input data set

conf - a job configuration

Throws:

java.lang.Exception

isSingleInputSupported

public boolean isSingleInputSupported(org.apache.hadoop.conf.Configuration conf)

isMultiInputSupported

public boolean isMultiInputSupported(org.apache.hadoop.conf.Configuration conf)