alluxio.examples.keyvalue

Class KeyValueStoreOperations

java.lang.Object

alluxio.examples.keyvalue.KeyValueStoreOperations

All Implemented Interfaces:

Callable<Boolean>

public final class KeyValueStoreOperations
extends Object
implements Callable<Boolean>

This example illustrates how to create a key-value store, put key-value pairs into the store, and read the store afterwards.

Constructor Summary

Constructors

Constructor and Description
KeyValueStoreOperations(AlluxioURI storeUri)

Method Summary

Methods

Modifier and Type	Method and Description
Boolean	call()
static void	main(String[] args) Starts in a command like java -cp ALLUXIO_JAR CLASS_NAME <key-value store URI>.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyValueStoreOperations

public KeyValueStoreOperations(AlluxioURI storeUri)
                        throws Exception

Parameters:

storeUri - URI of the key-value store to write to, should not exist before

Throws:

Exception - if the instance fails to be created

Method Detail

call

public Boolean call()
             throws Exception

Specified by:

call in interface Callable<Boolean>

Throws:

Exception

main

public static void main(String[] args)
                 throws Exception

Starts in a command like java -cp ALLUXIO_JAR CLASS_NAME <key-value store URI>.

Parameters:

args - one argument, specifying the URI of the store to be created

Throws:

Exception - if unexpected errors happen