net.e6tech.elements.cassandra.transmutator

Class Transmutator

java.lang.Object

net.e6tech.elements.cassandra.transmutator.Transmutator

All Implemented Interfaces:

Strategy<PartitionContext>

public abstract class Transmutator
extends java.lang.Object
implements Strategy<PartitionContext>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Transmutator.Descriptor

Field Summary

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

logger

Constructor Summary

Constructors

Constructor and Description
Transmutator()

Method Summary

Modifier and Type	Method and Description
protected void	analyze()
protected java.util.List<Transmutator.Descriptor>	describe()
int	run(PartitionContext context)
protected <T> java.util.Map<PrimaryKey,T>	transform(PartitionContext context, java.util.Set<PrimaryKey> keys, java.lang.Class<T> tableClass)
protected abstract void	undo(PartitionContext context)
protected void	undo(PartitionContext context, java.lang.Class tableClass)

Methods inherited from class java.lang.Object

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

Constructor Detail

Transmutator

public Transmutator()

Method Detail

transform

protected <T> java.util.Map<PrimaryKey,T> transform(PartitionContext context,
                                                    java.util.Set<PrimaryKey> keys,
                                                    java.lang.Class<T> tableClass)

undo

protected abstract void undo(PartitionContext context)

undo

protected void undo(PartitionContext context,
                    java.lang.Class tableClass)

analyze

protected void analyze()

describe

protected java.util.List<Transmutator.Descriptor> describe()

run

public int run(PartitionContext context)

Specified by:

run in interface Strategy<PartitionContext>