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

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

void	copyForUpdate(DataContainer d, boolean b) A no-op.
static NullMarkerEntry	getInstance()

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

isNull, isRemoved, isValid

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

commit, getKey, getLifespan, getMaxIdle, getValue, isChanged, isCreated, isFlagSet, rollback, setChanged, setCreated, setFlag, setLifespan, setMaxIdle, setRemoved, setValid, setValue, toString, 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 b)

A no-op.

Specified by:

copyForUpdate in interface MVCCEntry

Overrides:

copyForUpdate in class RepeatableReadEntry

Parameters:

d - data container

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