org.springframework.data.hadoop.test.junit

Class AbstractHadoopClusterTests

java.lang.Object

org.springframework.data.hadoop.test.junit.AbstractHadoopClusterTests

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.context.ApplicationContextAware

Direct Known Subclasses:

AbstractMapReduceTests

public abstract class AbstractHadoopClusterTests
extends java.lang.Object
implements org.springframework.context.ApplicationContextAware

Abstract base class providing default functionality for running tests using Hadoop mini cluster.

Author:

Janne Valkealahti

Field Summary

Fields

Modifier and Type	Field and Description
protected org.springframework.context.ApplicationContext	applicationContext
protected org.apache.hadoop.conf.Configuration	configuration
protected HadoopCluster	hadoopCluster

Constructor Summary

Constructors

Constructor and Description
AbstractHadoopClusterTests()

Method Summary

Methods

Modifier and Type	Method and Description
org.springframework.context.ApplicationContext	getApplicationContext() Gets the ApplicationContext for tests.
org.apache.hadoop.conf.Configuration	getConfiguration() Gets the running cluster runtime Configuration for tests.
protected org.apache.hadoop.fs.FileSystem	getFileSystem() Returns a configured FileSystem instance for test cases to read and write files to it.
HadoopCluster	getHadoopCluster() Gets the running HadoopCluster for tests.
void	setApplicationContext(org.springframework.context.ApplicationContext applicationContext)
void	setConfiguration(org.apache.hadoop.conf.Configuration configuration) Sets the Configuration.
void	setHadoopCluster(HadoopCluster hadoopCluster) Sets the HadoopCluster

Methods inherited from class java.lang.Object

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

Field Detail

applicationContext

protected org.springframework.context.ApplicationContext applicationContext

configuration

protected org.apache.hadoop.conf.Configuration configuration

hadoopCluster

protected HadoopCluster hadoopCluster

Constructor Detail

AbstractHadoopClusterTests

public AbstractHadoopClusterTests()

Method Detail

getApplicationContext

public org.springframework.context.ApplicationContext getApplicationContext()

Gets the ApplicationContext for tests.

Returns:

the Application context

setApplicationContext

public final void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)

Specified by:

setApplicationContext in interface org.springframework.context.ApplicationContextAware

getConfiguration

public org.apache.hadoop.conf.Configuration getConfiguration()

Gets the running cluster runtime Configuration for tests.

Returns:

the Hadoop cluster config

setConfiguration

@Autowired
public void setConfiguration(org.apache.hadoop.conf.Configuration configuration)

Sets the Configuration.

Parameters:

configuration - the Configuration

getHadoopCluster

public HadoopCluster getHadoopCluster()

Gets the running HadoopCluster for tests.

Returns:

the Hadoop cluster

setHadoopCluster

@Autowired
public void setHadoopCluster(HadoopCluster hadoopCluster)

Sets the HadoopCluster

Parameters:

hadoopCluster - the Hadoop cluster

getFileSystem

protected org.apache.hadoop.fs.FileSystem getFileSystem()
                                                 throws java.io.IOException

Returns a configured FileSystem instance for test cases to read and write files to it.

Tests should use this FileSystem instance.

Returns:

the filesystem configured by mini cluster.

Throws:

java.io.IOException - exception