org.infinispan.container.entries

Class NullMarkerEntry

java.lang.Object

org.infinispan.container.entries.ReadCommittedEntry

org.infinispan.container.entries.RepeatableReadEntry

org.infinispan.container.entries.NullMarkerEntryForRemoval

org.infinispan.container.entries.NullMarkerEntry

All Implemented Interfaces:

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

public class NullMarkerEntry
extends NullMarkerEntryForRemoval

A marker entry to represent a null for repeatable read, so that a read that returns a null can continue to return null.

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, oldValue, value

Method Summary

Methods

Modifier and Type	Method and Description
void	copyForUpdate(DataContainer d, boolean localModeWriteSkewCheck) A no-op.
static NullMarkerEntry	getInstance()

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

isLockPlaceholder, isNull, isRemoved, isValid, setLockPlaceholder

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

performLocalWriteSkewCheck

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

commit, copyStateFlagsFrom, getKey, getLifespan, getMaxIdle, getStateFlags, getValue, getVersion, isChanged, isCreated, isEvicted, isFlagSet, isLoaded, rollback, setChanged, setCreated, setEvicted, setFlag, setLifespan, setLoaded, setMaxIdle, setRemoved, setValid, setValue, setVersion, 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

Method Detail

getInstance

public static NullMarkerEntry getInstance()

copyForUpdate

public final void copyForUpdate(DataContainer d,
                 boolean localModeWriteSkewCheck)

A no-op.

Specified by:

copyForUpdate in interface MVCCEntry

Overrides:

copyForUpdate in class RepeatableReadEntry

Parameters:

d - data container

localModeWriteSkewCheck - if true, write skews are tested for and exceptions are thrown if detected. Only applicable to IsolationLevel.REPEATABLE_READ.