net.e6tech.elements.cassandra.etl

Class PartitionStrategy<S extends Partition,C extends PartitionContext>

java.lang.Object

net.e6tech.elements.cassandra.etl.PartitionStrategy<S,C>

All Implemented Interfaces:

BatchStrategy<S,C>, Strategy<C>

Direct Known Subclasses:

PartitionOrderByStrategy

public class PartitionStrategy<S extends Partition,C extends PartitionContext>
extends java.lang.Object
implements BatchStrategy<S,C>

Field Summary

Fields inherited from interface net.e6tech.elements.cassandra.etl.Strategy

logger

Constructor Summary

Constructors

Constructor and Description
PartitionStrategy()

Method Summary

Modifier and Type	Method and Description
java.util.List<S>	extract(C context)
int	load(C context, java.util.List<S> source)
java.util.Map<java.lang.Comparable,java.lang.Long>	queryPartitions(C context)
int	run(C context)
int	run(java.util.List<java.lang.Comparable> partitions, C context)

Methods inherited from class java.lang.Object

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

Constructor Detail

PartitionStrategy

public PartitionStrategy()

Method Detail

load

public int load(C context,
                java.util.List<S> source)

Specified by:

load in interface BatchStrategy<S extends Partition,C extends PartitionContext>

queryPartitions

public java.util.Map<java.lang.Comparable,java.lang.Long> queryPartitions(C context)

extract

public java.util.List<S> extract(C context)

Specified by:

extract in interface BatchStrategy<S extends Partition,C extends PartitionContext>

run

public int run(C context)

Specified by:

run in interface BatchStrategy<S extends Partition,C extends PartitionContext>

Specified by:

run in interface Strategy<C extends PartitionContext>

run

public int run(java.util.List<java.lang.Comparable> partitions,
               C context)