io.fluo.recipes.test

Class AccumuloExportITBase

java.lang.Object

io.fluo.recipes.test.AccumuloExportITBase

public class AccumuloExportITBase
extends Object

This class is intended to be extended by classes testing exporting from Fluo to Accumulo. Using MiniFluo by itself is easy. However, using MiniAccumulo and MiniFluo together involves writing a lot of boiler plate code. Thats why this class exists, its a place to put that boiler plate code.

Below is some example code showing how to use this class to write a test.

 
    class MyExportIT extends AccumuloExportITBase {
 
         private String exportTable;
 
         public MyExportIT(){
           //indicate that MiniFluo should be started before each test
           super(true);
         }
 
          @Override
         //this is method is called by super class before initializing Fluo
         public void preFluoInitHook() throws Exception {
 
           //create table to export to
           Connector conn = getAccumuloConnector();
           exportTable = "export" + tableCounter.getAndIncrement();
           conn.tableOperations().create(exportTable);
 
           //This config will be used to initialize Fluo
           FluoConfiguration fluoConfig = getFluoConfiguration();
 
           MiniAccumuloCluster miniAccumulo = getMiniAccumuloCluster();
           String instance = miniAccumulo.getInstanceName();
           String zookeepers = miniAccumulo.getZooKeepers();
           String user = ACCUMULO_USER;
           String password = ACCUMULO_PASSWORD;
 
           //Configure observers on fluoConfig to export using info above
        }
 
         @Test
        public void exportTest1(){
            try(FluoClient client = FluoFactory.newClient(getFluoConfiguration())) {
              //write some data that will cause an observer to export data
            }
 
            getMiniFluo().waitForObservers();
 
            //verify data was exported
        }
    }
 
 

Field Summary

Fields

Modifier and Type	Field and Description
static String	ACCUMULO_PASSWORD
static String	ACCUMULO_USER
protected static AtomicInteger	tableCounter

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AccumuloExportITBase()
protected	AccumuloExportITBase(boolean startMiniFluo)

Method Summary

Modifier and Type	Method and Description
static void	configureFromMAC(io.fluo.api.config.FluoConfiguration fluoConfig, org.apache.accumulo.minicluster.MiniAccumuloCluster cluster) A utility method that will set the configuration needed by Fluo from a given MiniCluster
protected org.apache.accumulo.core.client.Connector	getAccumuloConnector() Returns an Accumulo Connector to MiniAccumuloCluster
protected io.fluo.api.config.FluoConfiguration	getFluoConfiguration() Retrieves Fluo Configuration
protected org.apache.accumulo.minicluster.MiniAccumuloCluster	getMiniAccumuloCluster() Retrieves MiniAccumuloCluster
protected io.fluo.api.mini.MiniFluo	getMiniFluo() Retrieves MiniFluo
protected void	postFluoInitHook() This method is intended to be overridden.
protected void	preFluoInitHook() This method is intended to be overridden.
static void	setupMiniAccumulo()
void	setupMiniFluo()
static void	tearDownMiniAccumulo()
void	tearDownMiniFluo()

Methods inherited from class java.lang.Object

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

Field Detail

ACCUMULO_USER

public static final String ACCUMULO_USER

See Also:

Constant Field Values

ACCUMULO_PASSWORD

public static final String ACCUMULO_PASSWORD

See Also:

Constant Field Values

tableCounter

protected static AtomicInteger tableCounter

Constructor Detail

AccumuloExportITBase

protected AccumuloExportITBase()

AccumuloExportITBase

protected AccumuloExportITBase(boolean startMiniFluo)

Parameters:

startMiniFluo - passing true will cause MiniFluo to be started before each test. Passing false will cause Fluo to be initialized, but not started before each test.

Method Detail

setupMiniAccumulo

public static void setupMiniAccumulo()
                              throws Exception

Throws:

Exception

tearDownMiniAccumulo

public static void tearDownMiniAccumulo()
                                 throws Exception

Throws:

Exception

setupMiniFluo

public void setupMiniFluo()
                   throws Exception

Throws:

Exception

tearDownMiniFluo

public void tearDownMiniFluo()
                      throws Exception

Throws:

Exception

preFluoInitHook

protected void preFluoInitHook()
                        throws Exception

This method is intended to be overridden. The method is called before each test before Fluo is initialized.

Throws:

Exception

postFluoInitHook

protected void postFluoInitHook()
                         throws Exception

This method is intended to be overridden. The method is called before each test after Fluo is initialized before MiniFluo is started.

Throws:

Exception

getMiniAccumuloCluster

protected org.apache.accumulo.minicluster.MiniAccumuloCluster getMiniAccumuloCluster()

Retrieves MiniAccumuloCluster

getMiniFluo

protected io.fluo.api.mini.MiniFluo getMiniFluo()

Retrieves MiniFluo

getAccumuloConnector

protected org.apache.accumulo.core.client.Connector getAccumuloConnector()

Returns an Accumulo Connector to MiniAccumuloCluster

getFluoConfiguration

protected io.fluo.api.config.FluoConfiguration getFluoConfiguration()

Retrieves Fluo Configuration

configureFromMAC

public static void configureFromMAC(io.fluo.api.config.FluoConfiguration fluoConfig,
                                    org.apache.accumulo.minicluster.MiniAccumuloCluster cluster)

A utility method that will set the configuration needed by Fluo from a given MiniCluster