org.abstracthorizon.proximity.logic
Class DefaultExpiringProxyingRepositoryLogic

java.lang.Object
  org.abstracthorizon.proximity.logic.DefaultProxyingRepositoryLogic
      org.abstracthorizon.proximity.logic.DefaultExpiringProxyingRepositoryLogic

All Implemented Interfaces:

RepositoryLogic

public class DefaultExpiringProxyingRepositoryLogic
extends DefaultProxyingRepositoryLogic

Simple logic with expiration support. If expirationPeriod is not -1, it will apply expiration period onto items, and will handle removal of them when they expires.

Author:

cstamas

Field Summary

static java.lang.String	METADATA_EXPIRES The Constant METADATA_EXPIRES.
static long	NO_EXPIRATION The Constant NO_EXPIRATION.

Fields inherited from class org.abstracthorizon.proximity.logic.DefaultProxyingRepositoryLogic

logger

Constructor Summary

DefaultExpiringProxyingRepositoryLogic()

Method Summary

Item	afterLocalCopyFound(Repository repository, ProximityRequest request, Item item) If item has defined EXPIRES metadata, will use it and remove item from repository if needed.
Item	afterRemoteCopyFound(Repository repository, ProximityRequest request, Item localItem, Item remoteItem) If expiration period is not NO_EXPIRATION, it will apply it on all items.
long	getItemExpirationPeriodInSeconds() Gets the item expiration period in seconds.
void	setItemExpirationPeriodInSeconds(long itemExpirationPeriod) Sets the item expiration period in seconds.

Methods inherited from class org.abstracthorizon.proximity.logic.DefaultProxyingRepositoryLogic

afterRetrieval, shouldCheckForLocalCopy, shouldCheckForRemoteCopy, shouldStoreLocallyAfterRemoteRetrieval

Methods inherited from class java.lang.Object

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

Field Detail

NO_EXPIRATION

public static final long NO_EXPIRATION

The Constant NO_EXPIRATION.

See Also:

Constant Field Values

METADATA_EXPIRES

public static final java.lang.String METADATA_EXPIRES

The Constant METADATA_EXPIRES.

See Also:

Constant Field Values

Constructor Detail

DefaultExpiringProxyingRepositoryLogic

public DefaultExpiringProxyingRepositoryLogic()

Method Detail

getItemExpirationPeriodInSeconds

public long getItemExpirationPeriodInSeconds()

Gets the item expiration period in seconds.

Returns:

the item expiration period in seconds

setItemExpirationPeriodInSeconds

public void setItemExpirationPeriodInSeconds(long itemExpirationPeriod)

Sets the item expiration period in seconds.

Parameters:

itemExpirationPeriod - the new item expiration period in seconds

afterLocalCopyFound

public Item afterLocalCopyFound(Repository repository,
                                ProximityRequest request,
                                Item item)

If item has defined EXPIRES metadata, will use it and remove item from repository if needed.

Specified by:

afterLocalCopyFound in interface RepositoryLogic

Overrides:

afterLocalCopyFound in class DefaultProxyingRepositoryLogic

Parameters:

repository - the repository

request - the request

item - the item

Returns:

the item

afterRemoteCopyFound

public Item afterRemoteCopyFound(Repository repository,
                                 ProximityRequest request,
                                 Item localItem,
                                 Item remoteItem)

If expiration period is not NO_EXPIRATION, it will apply it on all items.

Specified by:

afterRemoteCopyFound in interface RepositoryLogic

Overrides:

afterRemoteCopyFound in class DefaultProxyingRepositoryLogic

Parameters:

repository - the repository

request - the request

localItem - the local item

remoteItem - the remote item

Returns:

the item