org.elasticsearch.cluster

Class AbstractDiffable<T extends Diffable<T>>

java.lang.Object

org.elasticsearch.cluster.AbstractDiffable<T>

All Implemented Interfaces:

Diffable<T>, StreamableReader<T>, Writeable<T>

Direct Known Subclasses:

AliasMetaData, ClusterBlocks, DiscoveryNodes, IndexRoutingTable, IndexTemplateMetaData, IndexWarmersMetaData, MappingMetaData, RepositoriesMetaData, RestoreInProgress, SnapshotsInProgress

public abstract class AbstractDiffable<T extends Diffable<T>>
extends Object
implements Diffable<T>

Abstract diffable object with simple diffs implementation that sends the entire object if object has changed or nothing is object remained the same.

Constructor Summary

Constructors

Constructor and Description
AbstractDiffable()

Method Summary

Modifier and Type	Method and Description
Diff<T>	diff(T previousState) Returns serializable object representing differences between this and previousState
T	get()
static <T extends Diffable<T>> Diff<T>	readDiffFrom(StreamableReader<T> reader, StreamInput in)
Diff<T>	readDiffFrom(StreamInput in) Reads the Diff from StreamInput

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.common.io.stream.Writeable

writeTo

Methods inherited from interface org.elasticsearch.common.io.stream.StreamableReader

readFrom

Constructor Detail

AbstractDiffable

public AbstractDiffable()

Method Detail

diff

public Diff<T> diff(T previousState)

Description copied from interface: Diffable

Returns serializable object representing differences between this and previousState

Specified by:

diff in interface Diffable<T extends Diffable<T>>

readDiffFrom

public Diff<T> readDiffFrom(StreamInput in)
                     throws IOException

Description copied from interface: Diffable

Reads the Diff from StreamInput

Specified by:

readDiffFrom in interface Diffable<T extends Diffable<T>>

Throws:

IOException

readDiffFrom

public static <T extends Diffable<T>> Diff<T> readDiffFrom(StreamableReader<T> reader,
                                                           StreamInput in)
                                                    throws IOException

Throws:

IOException

get

public T get()