com.scaleoutsoftware.soss.hserver.interop

Class KeyValueProducer<K,V>

java.lang.Object

com.scaleoutsoftware.soss.hserver.interop.KeyValueProducer<K,V>

Type Parameters:

K - key type

V - value type

Direct Known Subclasses:

ChunkedCollectionReader

public abstract class KeyValueProducer<K,V>
extends Object

An abstract base class for the key producers which read key-value pairs one at a time.

Constructor Summary

Constructors

Constructor and Description
KeyValueProducer()

Method Summary

Modifier and Type	Method and Description
abstract K	getKey() Read current key.
abstract V	getValue() Read current value.
abstract boolean	readNext() Reads the next key-value pair.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyValueProducer

public KeyValueProducer()

Method Detail

readNext

public abstract boolean readNext()
                          throws IOException,
                                 TimeoutException

Reads the next key-value pair.

Returns:

true if read was successful, false otherwise

Throws:

IOException - if there was a ScaleOut hServer access error

TimeoutException - if the read timed out

getKey

public abstract K getKey()

Read current key.

Returns:

current key

getValue

public abstract V getValue()

Read current value.

Returns:

current value