org.infinispan.container.entries

Class RepeatableReadEntry

java.lang.Object

org.infinispan.container.entries.ReadCommittedEntry

org.infinispan.container.entries.RepeatableReadEntry

All Implemented Interfaces:

Map.Entry<Object,Object>, CacheEntry, MetadataAware, MVCCEntry, StateChangingEntry

Direct Known Subclasses:

ClusteredRepeatableReadEntry

public class RepeatableReadEntry
extends ReadCommittedEntry

An extension of ReadCommittedEntry that provides Repeatable Read semantics

Since:

4.0

Author:

Manik Surtani (manik@jboss.org)

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.ReadCommittedEntry

flags, key, metadata, oldValue, value

Constructor Summary

Constructors

Constructor and Description
RepeatableReadEntry(Object key, Object value, Metadata metadata)

Method Summary

Methods

Modifier and Type	Method and Description
void	copyForUpdate(DataContainer container) Makes internal copies of the entry for updates
boolean	isNull() Tests whether the entry represents a null value, typically used for repeatable read.
void	performLocalWriteSkewCheck(DataContainer container, boolean alreadyCopied)
void	setSkipLookup(boolean skipLookup) See CacheEntry.skipLookup().
boolean	skipLookup()

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

commit, copyStateFlagsFrom, getKey, getLifespan, getMaxIdle, getMetadata, getStateFlags, getValue, isChanged, isCreated, isEvicted, isFlagSet, isLoaded, isRemoved, isValid, rollback, setChanged, setCreated, setEvicted, setFlag, setFlag, setLoaded, setMetadata, setRemoved, setValid, setValue, toString, undelete, unsetFlag

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map.Entry

equals, hashCode

Constructor Detail

RepeatableReadEntry

public RepeatableReadEntry(Object key,
                   Object value,
                   Metadata metadata)

Method Detail

copyForUpdate

public void copyForUpdate(DataContainer container)

Description copied from interface: MVCCEntry

Makes internal copies of the entry for updates

Specified by:

copyForUpdate in interface MVCCEntry

Overrides:

copyForUpdate in class ReadCommittedEntry

Parameters:

container - data container

performLocalWriteSkewCheck

public void performLocalWriteSkewCheck(DataContainer container,
                              boolean alreadyCopied)

isNull

public boolean isNull()

Description copied from interface: CacheEntry

Tests whether the entry represents a null value, typically used for repeatable read.

Specified by:

isNull in interface CacheEntry

Overrides:

isNull in class ReadCommittedEntry

Returns:

true if this represents a null, false otherwise.

setSkipLookup

public void setSkipLookup(boolean skipLookup)

Description copied from interface: CacheEntry

See CacheEntry.skipLookup().

Specified by:

setSkipLookup in interface CacheEntry

Overrides:

setSkipLookup in class ReadCommittedEntry

skipLookup

public boolean skipLookup()

Specified by:

skipLookup in interface CacheEntry

Overrides:

skipLookup in class ReadCommittedEntry

Returns:

true if the value must not be fetch from an external source