org.lokra.seaweedfs.core

Class FileSource

java.lang.Object

org.lokra.seaweedfs.core.FileSource

All Implemented Interfaces:

org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean

public class FileSource
extends Object
implements org.springframework.beans.factory.InitializingBean, org.springframework.beans.factory.DisposableBean

Coinstack-storage file system connection source.

Author:

Chiho Sin

Constructor Summary

Constructors

Constructor and Description
FileSource()

Method Summary

Modifier and Type	Method and Description
void	afterPropertiesSet() Working with Spring framework startup
void	destroy() Using when the Spring framework is destroy
void	forceGarbageCollection() Force garbage collection.
void	forceGarbageCollection(float garbageThreshold) Force garbage collection.
org.lokra.seaweedfs.core.Connection	getConnection() Get wrapper connection.
int	getConnectionTimeout()
int	getFileStreamCacheEntries()
long	getFileStreamCacheSize()
org.apache.http.client.cache.HttpCacheStorage	getFileStreamCacheStorage()
String	getHost()
int	getIdleConnectionExpiry()
int	getLookupVolumeCacheEntries()
int	getLookupVolumeCacheExpiry()
int	getMaxConnection()
int	getMaxConnectionsPreRoute()
int	getPort()
int	getStatusExpiry()
SystemClusterStatus	getSystemClusterStatus() Get master server cluster status.
SystemTopologyStatus	getSystemTopologyStatus() Get cluster topology status.
VolumeStatus	getVolumeStatus(String volumeUrl) Check volume server status.
boolean	isEnableFileStreamCache()
boolean	isEnableLookupVolumeCache()
void	preAllocateVolumes(int sameRackCount, int diffRackCount, int diffDataCenterCount, int count, String dataCenter, String ttl) Pre-allocate volumes.
void	setConnectionTimeout(int connectionTimeout)
void	setEnableFileStreamCache(boolean enableFileStreamCache)
void	setEnableLookupVolumeCache(boolean enableLookupVolumeCache)
void	setFileStreamCacheEntries(int fileStreamCacheEntries)
void	setFileStreamCacheSize(long fileStreamCacheSize)
void	setFileStreamCacheStorage(org.apache.http.client.cache.HttpCacheStorage fileStreamCacheStorage)
void	setHost(String host)
void	setIdleConnectionExpiry(int idleConnectionExpiry)
void	setLookupVolumeCacheEntries(int lookupVolumeCacheEntries)
void	setLookupVolumeCacheExpiry(int lookupVolumeCacheExpiry)
void	setMaxConnection(int maxConnection)
void	setMaxConnectionsPreRoute(int maxConnectionsPreRoute)
void	setPort(int port)
void	setStatusExpiry(int statusExpiry)
void	shutdown() Shutdown connect to the any coinstack-storage server
void	startup() Start up the connection to the coinstack-storage server

Methods inherited from class java.lang.Object

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

Constructor Detail

FileSource

public FileSource()

Method Detail

getConnection

public org.lokra.seaweedfs.core.Connection getConnection()

Get wrapper connection.

Returns:

Wrapper connection.

startup

public void startup()
             throws IOException

Start up the connection to the coinstack-storage server

Throws:

IOException - Http connection is fail or server response within some error message.

shutdown

public void shutdown()

Shutdown connect to the any coinstack-storage server

forceGarbageCollection

public void forceGarbageCollection()
                            throws IOException

Force garbage collection.

Throws:

IOException - Http connection is fail or server response within some error message.

forceGarbageCollection

public void forceGarbageCollection(float garbageThreshold)
                            throws IOException

Force garbage collection.

Parameters:

garbageThreshold - Garbage threshold.

Throws:

IOException - Http connection is fail or server response within some error message.

preAllocateVolumes

public void preAllocateVolumes(int sameRackCount,
                               int diffRackCount,
                               int diffDataCenterCount,
                               int count,
                               String dataCenter,
                               String ttl)
                        throws IOException

Pre-allocate volumes.

Parameters:

sameRackCount - Same rack count.

diffRackCount - Different rack count.

diffDataCenterCount - Different data center count.

count - Count.

dataCenter - Data center.

ttl - Time to live.

Throws:

IOException - IOException Http connection is fail or server response within some error message.

getSystemClusterStatus

public SystemClusterStatus getSystemClusterStatus()
                                           throws CoinstackStorageException

Get master server cluster status.

Returns:

Core cluster status.

Throws:

CoinstackStorageException - Connection is shutdown.

getSystemTopologyStatus

public SystemTopologyStatus getSystemTopologyStatus()
                                             throws CoinstackStorageException

Get cluster topology status.

Returns:

Core topology status.

Throws:

CoinstackStorageException - Connection is shutdown.

getVolumeStatus

public VolumeStatus getVolumeStatus(String volumeUrl)
                             throws IOException

Check volume server status.

Parameters:

volumeUrl - Volume server url.

Returns:

Volume server status.

Throws:

IOException - Connection is shutdown or Http connection is fail or server response within some error message.

afterPropertiesSet

public void afterPropertiesSet()
                        throws Exception

Working with Spring framework startup

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Throws:

IOException - Http connection is fail or server response within some error message.

Exception

destroy

public void destroy()
             throws Exception

Using when the Spring framework is destroy

Specified by:

destroy in interface org.springframework.beans.factory.DisposableBean

Throws:

IOException - Http connection is fail or server response within some error message.

Exception

getHost

public String getHost()

setHost

public void setHost(String host)

getPort

public int getPort()

setPort

public void setPort(int port)

getConnectionTimeout

public int getConnectionTimeout()

setConnectionTimeout

public void setConnectionTimeout(int connectionTimeout)

getStatusExpiry

public int getStatusExpiry()

setStatusExpiry

public void setStatusExpiry(int statusExpiry)

getMaxConnection

public int getMaxConnection()

setMaxConnection

public void setMaxConnection(int maxConnection)

getMaxConnectionsPreRoute

public int getMaxConnectionsPreRoute()

setMaxConnectionsPreRoute

public void setMaxConnectionsPreRoute(int maxConnectionsPreRoute)

isEnableLookupVolumeCache

public boolean isEnableLookupVolumeCache()

setEnableLookupVolumeCache

public void setEnableLookupVolumeCache(boolean enableLookupVolumeCache)

getLookupVolumeCacheExpiry

public int getLookupVolumeCacheExpiry()

setLookupVolumeCacheExpiry

public void setLookupVolumeCacheExpiry(int lookupVolumeCacheExpiry)

getIdleConnectionExpiry

public int getIdleConnectionExpiry()

setIdleConnectionExpiry

public void setIdleConnectionExpiry(int idleConnectionExpiry)

getLookupVolumeCacheEntries

public int getLookupVolumeCacheEntries()

setLookupVolumeCacheEntries

public void setLookupVolumeCacheEntries(int lookupVolumeCacheEntries)

isEnableFileStreamCache

public boolean isEnableFileStreamCache()

setEnableFileStreamCache

public void setEnableFileStreamCache(boolean enableFileStreamCache)

getFileStreamCacheEntries

public int getFileStreamCacheEntries()

setFileStreamCacheEntries

public void setFileStreamCacheEntries(int fileStreamCacheEntries)

getFileStreamCacheSize

public long getFileStreamCacheSize()

setFileStreamCacheSize

public void setFileStreamCacheSize(long fileStreamCacheSize)

getFileStreamCacheStorage

public org.apache.http.client.cache.HttpCacheStorage getFileStreamCacheStorage()

setFileStreamCacheStorage

public void setFileStreamCacheStorage(org.apache.http.client.cache.HttpCacheStorage fileStreamCacheStorage)