org.elasticsearch.cluster

Class AbstractDiffable<T extends Diffable<T>>

java.lang.Object

org.elasticsearch.cluster.AbstractDiffable<T>

All Implemented Interfaces:

Diffable<T>, Writeable

Direct Known Subclasses:

AliasMetaData, ClusterBlocks, DiscoveryNodes, IndexRoutingTable, IndexTemplateMetaData, MappingMetaData, PipelineConfiguration, StoredScriptSource

public abstract class AbstractDiffable<T extends Diffable<T>>
extends java.lang.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.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

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(Writeable.Reader<T> reader, StreamInput in)

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

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 static <T extends Diffable<T>> Diff<T> readDiffFrom(Writeable.Reader<T> reader,
                                                           StreamInput in)
                                                    throws java.io.IOException

Throws:

java.io.IOException

get

public T get()