BlockManager (Resin 4.0.s170329)

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

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`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`	`ensureMemoryCapacity(long memorySize)`
`void`	`flush()` Flushes all 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`	`getBlockCacheMemoryCapacity()`
`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`	`getMemorySize()` Returns the capacity in bytes.
`long`	`getMissCountTotal()` Returns the miss count.
`double`	`getMissRate()` Returns the block cache miss rate.
`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
  - ensureMemoryCapacity
```
public void ensureMemoryCapacity(long memorySize)
```
  - getBlockCacheMemoryCapacity
```
public long getBlockCacheMemoryCapacity()
```
  - 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.
  - flush
```
public void flush()
```
    Flushes all blocks.
  - 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
  - getMemorySize
```
public long getMemorySize()
```
    Returns the capacity in bytes.
    
    Specified by:
    
    getMemorySize 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
  - getMissRate
```
public double getMissRate()
```
    Description copied from interface: BlockManagerMXBean
    
    Returns the block cache miss rate.
    
    Specified by:
    
    getMissRate 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

Class BlockManager

Method Summary

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

Methods inherited from class java.lang.Object

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

Method Detail

create

getBlockManager

ensureCapacity

setCapacity

ensureMemoryCapacity

getBlockCacheMemoryCapacity

isEnableMmap

setEnableMmap

allocateStoreId

flush

flush

freeStore

freeStoreId

clear

getName

getType

getBlockCapacity

getMemorySize

getHitCountTotal

getMissCountTotal

getMissRate

getBlockReadCountTotal

getBlockWriteCountTotal