com.caucho.db.block
Class BlockManager

java.lang.Object
  com.caucho.management.server.AbstractManagedObject
      com.caucho.db.block.BlockManager

All Implemented Interfaces:

BlockManagerMXBean, ManagedObjectMXBean

public final class BlockManager
extends AbstractManagedObject
implements BlockManagerMXBean

Manages the block cache

Method Summary

int	allocateStoreId() Allocates a store id.
void	clear()
static BlockManager	create() Returns the block manager, ensuring a minimum number of entries.
void	ensureCapacity(int minCapacity) Ensures the cache has a minimum number of blocks.
void	flush(BlockStore store) Frees blocks with the given store.
void	freeStore(BlockStore store) Frees blocks with the given store.
void	freeStoreId(int storeId) Frees a store id.
long	getBlockCapacity() Returns the capacity.
static BlockManager	getBlockManager()
long	getBlockReadCountTotal() Returns the read count.
long	getBlockWriteCountTotal() Returns the write count.
long	getHitCountTotal() Returns the hit count.
long	getMissCountTotal() Returns the miss count.
java.lang.String	getName() The managed name is null
java.lang.String	getType() The managed type is BlockManager
boolean	isEnableMmap()
void	setCapacity(int minCapacity) Ensures the cache has a minimum number of blocks.
void	setEnableMmap(boolean isEnable)

Methods inherited from class com.caucho.management.server.AbstractManagedObject

addObjectNameProperties, getObjectName, registerSelf, toString, unregisterSelf

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.caucho.management.server.ManagedObjectMXBean

getObjectName

Method Detail

create

public static BlockManager create()

Returns the block manager, ensuring a minimum number of entries.

getBlockManager

public static BlockManager getBlockManager()

ensureCapacity

public void ensureCapacity(int minCapacity)

Ensures the cache has a minimum number of blocks.

Parameters:

minCapacity - the minimum capacity in blocks

setCapacity

public void setCapacity(int minCapacity)

Ensures the cache has a minimum number of blocks.

Parameters:

minCapacity - the minimum capacity in blocks

isEnableMmap

public boolean isEnableMmap()

setEnableMmap

public void setEnableMmap(boolean isEnable)

allocateStoreId

public int allocateStoreId()

Allocates a store id.

flush

public void flush(BlockStore store)

Frees blocks with the given store.

freeStore

public void freeStore(BlockStore store)

Frees blocks with the given store.

freeStoreId

public void freeStoreId(int storeId)

Frees a store id.

clear

public void clear()

getName

public java.lang.String getName()

The managed name is null

Specified by:

getName in interface ManagedObjectMXBean

Specified by:

getName in class AbstractManagedObject

getType

public java.lang.String getType()

The managed type is BlockManager

Specified by:

getType in interface ManagedObjectMXBean

Overrides:

getType in class AbstractManagedObject

getBlockCapacity

public long getBlockCapacity()

Returns the capacity.

Specified by:

getBlockCapacity in interface BlockManagerMXBean

getHitCountTotal

public long getHitCountTotal()

Returns the hit count.

Specified by:

getHitCountTotal in interface BlockManagerMXBean

getMissCountTotal

public long getMissCountTotal()

Returns the miss count.

Specified by:

getMissCountTotal in interface BlockManagerMXBean

getBlockReadCountTotal

public long getBlockReadCountTotal()

Returns the read count.

Specified by:

getBlockReadCountTotal in interface BlockManagerMXBean

getBlockWriteCountTotal

public long getBlockWriteCountTotal()

Returns the write count.

Specified by:

getBlockWriteCountTotal in interface BlockManagerMXBean