com.caucho.server.distcache

Class MnodeEntry

java.lang.Object

com.caucho.server.distcache.MnodeValue

com.caucho.server.distcache.MnodeEntry

All Implemented Interfaces:

java.io.Serializable

public final class MnodeEntry
extends MnodeValue

An entry in the cache map

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static long	ANY_KEY
static MnodeEntry	NULL
static long	NULL_KEY

Constructor Summary

Constructors

Constructor and Description
MnodeEntry(long valueHash, long valueLength, long version, long flags, long accessedExpireTimeout, long modifiedExpireTimeout, long leaseExpireTimeout, long valueDataId, long valueDataTime, java.lang.Object value, long lastAccessTime, long lastModifiedTime, boolean isServerVersionValid, boolean isImplicitNull)
MnodeEntry(MnodeEntry oldMnodeValue, long valueDataId, long valueDataTime, long accessTimeout, long lastAccessTime)
MnodeEntry(MnodeValue mnodeValue, long valueDataId, long valueDataTime, java.lang.Object value, long lastAccessTime, long lastModifiedTime, boolean isServerVersionValid, boolean isImplicitNull, int leaseOwner)

Method Summary

Modifier and Type	Method and Description
void	clearLease() Sets the owner
void	clearLease(int oldLeaseOwner) Sets the owner
int	compareTo(MnodeEntry mnode) Compares values
static MnodeEntry	createInitialNull(CacheConfig config)
long	getAccessExpireTimeoutWindow() Returns the idle window to avoid too many updates
java.sql.Blob	getBlob()
long	getExpirationTime() Returns the expiration time
int	getHits()
long	getLastAccessedTime() Returns the last access time.
long	getLastModifiedTime() Returns the last update time.
long	getLastRemoteAccessTime() Returns the last remote access time.
int	getLeaseOwner() Returns the lease owner
MnodeUpdate	getRemoteUpdate() Creates an update with local data removed for remote update.
java.lang.Object	getValue() Returns the deserialized value for the entry.
long	getValueDataId()
long	getValueDataTime()
boolean	isExpired(long now) Returns true is the entry has expired for being idle or having expired.
boolean	isIdleExpired(long now) Returns true is the entry has remained idle too long.
boolean	isImplicitNull() If the null value is due to a missing item in the database.
boolean	isLeaseExpired(long now)
boolean	isLocalExpired(int serverIndex, long now, CacheConfig config) Returns true if the local (unchecked) expire time.
boolean	isLocalExpired(int serverIndex, long now, long localExpireTimeout)
boolean	isServerVersionValid() Returns true if the server version (startup count) matches the database.
boolean	isUnloadedValue()
boolean	isValid()
boolean	isValueExpired(long now) Returns true if the value of the entry has expired.
boolean	isValueNull() Returns true if the value is null
void	setBlob(java.sql.Blob blob)
void	setLastAccessTime(long accessTime) Sets the last access time.
void	setLastRemoteAccessTime(long accessTime) Sets the last remote access time.
void	setLeaseOwner(int leaseOwner, long now) Sets the owner
void	setObjectValue(java.lang.Object value) Sets the deserialized value for the entry.
java.lang.String	toString()
MnodeEntry	updateModifiedTime(long now)

Methods inherited from class com.caucho.server.distcache.MnodeValue

getAccessedExpireTimeout, getFlags, getLeaseExpireTimeout, getModifiedExpireTimeout, getUserFlags, getValueHash, getValueLength, getVersion

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static final MnodeEntry NULL

NULL_KEY

public static final long NULL_KEY

See Also:

Constant Field Values

ANY_KEY

public static final long ANY_KEY

Constructor Detail

MnodeEntry

public MnodeEntry(long valueHash,
                  long valueLength,
                  long version,
                  long flags,
                  long accessedExpireTimeout,
                  long modifiedExpireTimeout,
                  long leaseExpireTimeout,
                  long valueDataId,
                  long valueDataTime,
                  java.lang.Object value,
                  long lastAccessTime,
                  long lastModifiedTime,
                  boolean isServerVersionValid,
                  boolean isImplicitNull)

MnodeEntry

public MnodeEntry(MnodeValue mnodeValue,
                  long valueDataId,
                  long valueDataTime,
                  java.lang.Object value,
                  long lastAccessTime,
                  long lastModifiedTime,
                  boolean isServerVersionValid,
                  boolean isImplicitNull,
                  int leaseOwner)

MnodeEntry

public MnodeEntry(MnodeEntry oldMnodeValue,
                  long valueDataId,
                  long valueDataTime,
                  long accessTimeout,
                  long lastAccessTime)

Method Detail

createInitialNull

public static MnodeEntry createInitialNull(CacheConfig config)

updateModifiedTime

public MnodeEntry updateModifiedTime(long now)

getValueDataId

public long getValueDataId()

getValueDataTime

public long getValueDataTime()

Returns:

getLastAccessedTime

public long getLastAccessedTime()

Returns the last access time.

setLastAccessTime

public void setLastAccessTime(long accessTime)

Sets the last access time.

getLastRemoteAccessTime

public long getLastRemoteAccessTime()

Returns the last remote access time.

setLastRemoteAccessTime

public void setLastRemoteAccessTime(long accessTime)

Sets the last remote access time.

getLastModifiedTime

public long getLastModifiedTime()

Returns the last update time.

getExpirationTime

public final long getExpirationTime()

Returns the expiration time

isLocalExpired

public final boolean isLocalExpired(int serverIndex,
                                    long now,
                                    CacheConfig config)

Returns true if the local (unchecked) expire time.

isLocalExpired

public final boolean isLocalExpired(int serverIndex,
                                    long now,
                                    long localExpireTimeout)

isLeaseExpired

public final boolean isLeaseExpired(long now)

isExpired

public final boolean isExpired(long now)

Returns true is the entry has expired for being idle or having expired.

isValueExpired

public final boolean isValueExpired(long now)

Returns true if the value of the entry has expired.

isIdleExpired

public final boolean isIdleExpired(long now)

Returns true is the entry has remained idle too long.

getLeaseOwner

public final int getLeaseOwner()

Returns the lease owner

setLeaseOwner

public final void setLeaseOwner(int leaseOwner,
                                long now)

Sets the owner

clearLease

public final void clearLease()

Sets the owner

clearLease

public final void clearLease(int oldLeaseOwner)

Sets the owner

getAccessExpireTimeoutWindow

public long getAccessExpireTimeoutWindow()

Returns the idle window to avoid too many updates

setObjectValue

public final void setObjectValue(java.lang.Object value)

Sets the deserialized value for the entry.

isValueNull

public boolean isValueNull()

Returns true if the value is null

getValue

public final java.lang.Object getValue()

Returns the deserialized value for the entry.

getBlob

public java.sql.Blob getBlob()

setBlob

public void setBlob(java.sql.Blob blob)

getRemoteUpdate

public MnodeUpdate getRemoteUpdate()

Creates an update with local data removed for remote update.

isServerVersionValid

public boolean isServerVersionValid()

Returns true if the server version (startup count) matches the database.

isImplicitNull

public boolean isImplicitNull()

If the null value is due to a missing item in the database.

isUnloadedValue

public boolean isUnloadedValue()

compareTo

public int compareTo(MnodeEntry mnode)

Compares values

isValid

public boolean isValid()

getHits

public int getHits()

toString

public java.lang.String toString()

Overrides:

toString in class MnodeValue