com.caucho.server.distcache

Class MnodeStore

java.lang.Object

com.caucho.server.distcache.MnodeStore

Direct Known Subclasses:

JdbcMnodeStore

public class MnodeStore
extends java.lang.Object

Manages backing for the cache map.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MnodeStore.ExpiredMnode
class	MnodeStore.ExpiredState
static class	MnodeStore.Mnode

Constructor Summary

Constructors

Constructor and Description
MnodeStore(javax.sql.DataSource dataSource, java.lang.String tableName, java.lang.String serverName)

Method Summary

Modifier and Type	Method and Description
void	close()
MnodeStore.ExpiredState	createExpiredState()
void	destroy()
long	getCount()
javax.sql.DataSource	getDataSource() Returns the data source.
java.util.Iterator<HashKey>	getKeys(HashKey cacheKey)
long	getStartupLastUpdateTime() Returns the max update time detected on startup.
long	getStartupLastUpdateTime(HashKey cacheKey) Returns the max update time detected on startup.
java.lang.String	getTableName() Returns the data source.
java.util.ArrayList<CacheData>	getUpdates(HashKey cacheKey, long updateTime, int offset) Returns the maximum update time on startup
java.util.ArrayList<CacheData>	getUpdates(long updateTime, int offset) Returns the maximum update time on startup
protected void	init()
protected void	initDatabase() Create the database, initializing if necessary.
boolean	insert(HashKey id, HashKey cacheKey, MnodeValue mnodeUpdate, long valueDataId, long valueDataTime, long lastAccessTime, long lastModifiedTime) Stores the data, returning true on success
MnodeEntry	load(HashKey id) Reads the object from the data store.
boolean	remove(byte[] key) Reads the object from the data store.
java.lang.String	toString()
boolean	updateAccessTime(HashKey id, long itemVersion, long accessTimeout, long accessTime) Updates the update time, returning true on success
boolean	updateSave(byte[] key, byte[] cacheHash, MnodeValue mnodeUpdate, long valueDataId, long valueDataTime, long lastAccessTime, long lastModifiedTime) Stores the data, returning true on success

Methods inherited from class java.lang.Object

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

Constructor Detail

MnodeStore

public MnodeStore(javax.sql.DataSource dataSource,
                  java.lang.String tableName,
                  java.lang.String serverName)
           throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

getDataSource

public javax.sql.DataSource getDataSource()

Returns the data source.

getTableName

public java.lang.String getTableName()

Returns the data source.

getStartupLastUpdateTime

public long getStartupLastUpdateTime()

Returns the max update time detected on startup.

getStartupLastUpdateTime

public long getStartupLastUpdateTime(HashKey cacheKey)

Returns the max update time detected on startup.

init

protected void init()
             throws java.lang.Exception

Throws:

java.lang.Exception

initDatabase

protected void initDatabase()
                     throws java.lang.Exception

Create the database, initializing if necessary.

Throws:

java.lang.Exception

close

public void close()

getUpdates

public java.util.ArrayList<CacheData> getUpdates(long updateTime,
                                                 int offset)

Returns the maximum update time on startup

getUpdates

public java.util.ArrayList<CacheData> getUpdates(HashKey cacheKey,
                                                 long updateTime,
                                                 int offset)

Returns the maximum update time on startup

load

public MnodeEntry load(HashKey id)

Reads the object from the data store.

Parameters:

id - the hash identifier for the data

Returns:

true on successful load

insert

public boolean insert(HashKey id,
                      HashKey cacheKey,
                      MnodeValue mnodeUpdate,
                      long valueDataId,
                      long valueDataTime,
                      long lastAccessTime,
                      long lastModifiedTime)

Stores the data, returning true on success

Parameters:

id - the key hash

value - the value hash

idleTimeout - the item's timeout

updateSave

public boolean updateSave(byte[] key,
                          byte[] cacheHash,
                          MnodeValue mnodeUpdate,
                          long valueDataId,
                          long valueDataTime,
                          long lastAccessTime,
                          long lastModifiedTime)

Stores the data, returning true on success

Parameters:

id - the key hash

value - the value hash

idleTimeout - the item's timeout

updateAccessTime

public boolean updateAccessTime(HashKey id,
                                long itemVersion,
                                long accessTimeout,
                                long accessTime)

Updates the update time, returning true on success

Parameters:

id - the key hash

itemVersion - the value version

idleTimeout - the item's timeout

updateTime - the item's timeout

remove

public boolean remove(byte[] key)

Reads the object from the data store.

Parameters:

id - the hash identifier for the data

Returns:

true on successful load

getKeys

public java.util.Iterator<HashKey> getKeys(HashKey cacheKey)

createExpiredState

public MnodeStore.ExpiredState createExpiredState()

getCount

public long getCount()

destroy

public void destroy()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object