com.gemstone.gemfire.cache
Interface CustomExpiry<K,V>

All Superinterfaces:

CacheCallback

public interface CustomExpiry<K,V>
extends CacheCallback

This is the contract that a custom-expiry element must honor. It determines the expiration characteristics for a specific entry in a region.

Note that if you wish to refer to an implementation of this interface in XML, the implementation must also implement the Declarable interface.

Method Summary

ExpirationAttributes

getExpiry(Region.Entry<K,V> entry) Calculate the expiration for a given entry.

Methods inherited from interface com.gemstone.gemfire.cache.CacheCallback

close

Method Detail

getExpiry

ExpirationAttributes getExpiry(Region.Entry<K,V> entry)

Calculate the expiration for a given entry. Null indicates that the default for the region should be used.

Parameters:

entry - the entry to calculate the expiration for

Returns:

the expiration to be used, null if the region's defaults should be used.