Package org.infinispan.container.entries

Class VersionedRepeatableReadEntry

java.lang.Object

org.infinispan.container.entries.ReadCommittedEntry

org.infinispan.container.entries.RepeatableReadEntry

org.infinispan.container.entries.VersionedRepeatableReadEntry

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map.Entry, CacheEntry, MetadataAware, MVCCEntry, Versioned

public class VersionedRepeatableReadEntry
extends RepeatableReadEntry
implements Versioned

A version of RepeatableReadEntry that can perform write-skew checks during prepare.

Since:

5.1

Author:

Manik Surtani

Nested Class Summary

Nested classes/interfaces inherited from class org.infinispan.container.entries.ReadCommittedEntry

ReadCommittedEntry.Flags

Field Summary

Fields inherited from class org.infinispan.container.entries.RepeatableReadEntry

oldMetadata, oldValue

Fields inherited from class org.infinispan.container.entries.ReadCommittedEntry

created, flags, key, lastUsed, metadata, value

Constructor Summary

Constructors

Constructor	Description
VersionedRepeatableReadEntry(java.lang.Object key, java.lang.Object value, Metadata metadata)

Method Summary

Modifier and Type	Method	Description
VersionedRepeatableReadEntry	clone()
EntryVersion	getVersion()
java.util.concurrent.CompletionStage<java.lang.Boolean>	performWriteSkewCheck(EntryLoader entryLoader, int segment, org.infinispan.context.impl.TxInvocationContext ctx, EntryVersion versionSeen, VersionGenerator versionGenerator)
void	setVersion(EntryVersion version)	Sets the version on this entry.

Methods inherited from class org.infinispan.container.entries.RepeatableReadEntry

getOldMetadata, getOldValue, isRead, resetCurrentValue, setRead, setSkipLookup, setValue, skipLookup, updatePreviousValue

Methods inherited from class org.infinispan.container.entries.ReadCommittedEntry

commit, commit, getCreated, getKey, getLastUsed, getLifespan, getMaxIdle, getMetadata, getValue, isChanged, isCommitted, isCreated, isEvicted, isExpired, isNull, isRemoved, setChanged, setCommitted, setCreated, setCreated, setEvicted, setExpired, setFlag, setLastUsed, setMetadata, setRemoved, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map.Entry

equals, hashCode

Methods inherited from interface org.infinispan.container.entries.MVCCEntry

isLoaded, setLoaded

Constructor Detail

VersionedRepeatableReadEntry

public VersionedRepeatableReadEntry(java.lang.Object key,
                                    java.lang.Object value,
                                    Metadata metadata)

Method Detail

performWriteSkewCheck

public java.util.concurrent.CompletionStage<java.lang.Boolean> performWriteSkewCheck(EntryLoader entryLoader,
                                                                                     int segment,
                                                                                     org.infinispan.context.impl.TxInvocationContext ctx,
                                                                                     EntryVersion versionSeen,
                                                                                     VersionGenerator versionGenerator)

Parameters:

segment - the segment matching this entry

ctx - the invocation context

versionSeen - what version has been seen for this entry

versionGenerator - generator to generate a new version if needed

Returns:

whether a write skew occurred for this entry

getVersion

public EntryVersion getVersion()

Specified by:

getVersion in interface Versioned

Returns:

the version of the entry. May be null if versioning is not supported, and must never be null if versioning is supported.

setVersion

public void setVersion(EntryVersion version)

Description copied from interface: Versioned

Sets the version on this entry.

Specified by:

setVersion in interface Versioned

Parameters:

version - version to set

clone

public VersionedRepeatableReadEntry clone()

Specified by:

clone in interface CacheEntry

Specified by:

clone in interface MVCCEntry

Overrides:

clone in class RepeatableReadEntry