org.springframework.data.gemfire
Interface GemfireCallback<T>

public interface GemfireCallback<T>

Callback interface for GemFire code. To be used with GemfireTemplate's execution methods, often as anonymous classes within a method implementation. A typical implementation will call Region.get/put/query to perform some operations on stored objects.

Method Summary

T	doInGemfire(com.gemstone.gemfire.cache.Region region) Gets called by GemfireTemplate.execute(GemfireCallback).

Method Detail

doInGemfire

T doInGemfire(com.gemstone.gemfire.cache.Region region)
              throws com.gemstone.gemfire.GemFireCheckedException,
                     com.gemstone.gemfire.GemFireException

Gets called by GemfireTemplate.execute(GemfireCallback). Does not need to care about handling transactions or exceptions.

Allows for returning a result object created within the callback, i.e. a domain object or a collection of domain objects. A thrown custom RuntimeException is treated as an application exception: It gets propagated to the caller of the template.

Parameters:

region - GemFire Region

Returns:

a result object, or null if none

Throws:

com.gemstone.gemfire.GemFireCheckedException

com.gemstone.gemfire.GemFireException