Package com.hybris.cockpitng.core.persistence.packaging.impl

Class DefaultCockpitResourceCache

java.lang.Object

com.hybris.cockpitng.core.persistence.packaging.impl.DefaultCockpitResourceCache

All Implemented Interfaces:

CockpitResourceCache, Resettable

public class DefaultCockpitResourceCache
extends java.lang.Object
implements CockpitResourceCache

Default CockpitResourceCache implementation. Uses a ConcurrentHashMap for caching and ReentrantReadWriteLock for handling concurrent access.

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	COCKPITNG_RESOURCELOADER_RESOURCECACHE_MAXENTRYSIZE

Constructor Summary

Constructors

Constructor	Description
DefaultCockpitResourceCache()

Method Summary

Modifier and Type	Method	Description
byte[]	addResourceToCache(java.lang.String uuid, byte[] resource)	Adds a chunk of bytes to the cache.
long	getAverageEntrySize()	Returns the average size (in bytes) of all entries.
protected CockpitProperties	getCockpitProperties()
java.util.Collection<java.lang.String>	getKeys()	Returns the keys for the current entries.
long	getMaxEntrySize()
byte[]	getResourceAsBytes(java.lang.String uuid)	Gets the resource for the given key, if present in cache.
long	getSize()	Returns the size (in bytes) of all entries in the cache.
protected long	initMaxEntrySize()
void	reset()	Removes all elements from the cache.
void	setCockpitProperties(CockpitProperties cockpitProperties)
void	setMaxEntrySize(long maxEntrySize)

Methods inherited from class java.lang.Object

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

Field Detail

COCKPITNG_RESOURCELOADER_RESOURCECACHE_MAXENTRYSIZE

public static final java.lang.String COCKPITNG_RESOURCELOADER_RESOURCECACHE_MAXENTRYSIZE

See Also:

Constant Field Values

Constructor Detail

DefaultCockpitResourceCache

public DefaultCockpitResourceCache()

Method Detail

getResourceAsBytes

public byte[] getResourceAsBytes(java.lang.String uuid)

Description copied from interface: CockpitResourceCache

Gets the resource for the given key, if present in cache.

Specified by:

getResourceAsBytes in interface CockpitResourceCache

Returns:

The cached byte array, or null, if not in cache.

addResourceToCache

public byte[] addResourceToCache(java.lang.String uuid,
                                 byte[] resource)

Description copied from interface: CockpitResourceCache

Adds a chunk of bytes to the cache.

Specified by:

addResourceToCache in interface CockpitResourceCache

Parameters:

uuid - The unique key for the resource, usually an uri.

resource - The resource to add as byte array.

Returns:

The passed resource, for convenience reasons.

reset

public void reset()

Description copied from interface: CockpitResourceCache

Removes all elements from the cache.

Specified by:

reset in interface CockpitResourceCache

Specified by:

reset in interface Resettable

getSize

public long getSize()

Description copied from interface: CockpitResourceCache

Returns the size (in bytes) of all entries in the cache.

Specified by:

getSize in interface CockpitResourceCache

getAverageEntrySize

public long getAverageEntrySize()

Description copied from interface: CockpitResourceCache

Returns the average size (in bytes) of all entries.

Specified by:

getAverageEntrySize in interface CockpitResourceCache

getKeys

public java.util.Collection<java.lang.String> getKeys()

Description copied from interface: CockpitResourceCache

Returns the keys for the current entries.

Specified by:

getKeys in interface CockpitResourceCache

getMaxEntrySize

public long getMaxEntrySize()

initMaxEntrySize

protected long initMaxEntrySize()

setMaxEntrySize

public void setMaxEntrySize(long maxEntrySize)

getCockpitProperties

protected CockpitProperties getCockpitProperties()

setCockpitProperties

public void setCockpitProperties(CockpitProperties cockpitProperties)