gr.uoa.di.madgik.rr.utils
Class DatastoreHelper

java.lang.Object
  gr.uoa.di.madgik.rr.utils.DatastoreHelper

public class DatastoreHelper
extends Object

Constructor Summary

DatastoreHelper()

Method Summary

static void	bufferItems(Set<IDaoElement> items)
static void	clear(RRContext.DatastoreType target, Set<Class<?>> objects)
static Set<IDaoElement>	getItems(RRContext.DatastoreType target, Class<?> obj)
static Set<IDaoElement>	getItems(RRContext.DatastoreType target, Class<?> obj, boolean overridePrefetched)
static Set<IDaoElement>	getItems(RRContext.DatastoreType target, Class<?> obj, boolean overridePrefetched, boolean detach)
static void	persistItems(Set<IDaoElement> items)
static void	replicate(RRContext.DatastoreType source, RRContext.DatastoreType target, Set<Class<?>> objects)
static void	resolveUpdateConflicts(RRContext.DatastoreType source, RRContext.DatastoreType target, Set<Class<?>> objects) Resolves conflicts originating from items being updated in the local datastore during the time an incoming bridging iteration is ongoing The conflict is resolved by keeping the version in the local datastore so as to avoid having stale data in the local store and missing write-behind updates
static Set<IDaoElement>	retrieveAll(RRContext.DatastoreType target, Class<?> object)

Methods inherited from class java.lang.Object

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

Constructor Detail

DatastoreHelper

public DatastoreHelper()

Method Detail

replicate

public static void replicate(RRContext.DatastoreType source,
                             RRContext.DatastoreType target,
                             Set<Class<?>> objects)
                      throws ResourceRegistryException

Throws:

ResourceRegistryException

resolveUpdateConflicts

public static void resolveUpdateConflicts(RRContext.DatastoreType source,
                                          RRContext.DatastoreType target,
                                          Set<Class<?>> objects)
                                   throws ResourceRegistryException

Resolves conflicts originating from items being updated in the local datastore during the time an incoming bridging iteration is ongoing The conflict is resolved by keeping the version in the local datastore so as to avoid having stale data in the local store and missing write-behind updates

Parameters:

source - The datastore used to buffer incoming items

target - The local datastore

objects -

Throws:

ResourceRegistryException

getItems

public static Set<IDaoElement> getItems(RRContext.DatastoreType target,
                                        Class<?> obj)
                                 throws Exception

Throws:

Exception

getItems

public static Set<IDaoElement> getItems(RRContext.DatastoreType target,
                                        Class<?> obj,
                                        boolean overridePrefetched)
                                 throws Exception

Throws:

Exception

getItems

public static Set<IDaoElement> getItems(RRContext.DatastoreType target,
                                        Class<?> obj,
                                        boolean overridePrefetched,
                                        boolean detach)
                                 throws Exception

Throws:

Exception

clear

public static void clear(RRContext.DatastoreType target,
                         Set<Class<?>> objects)
                  throws ResourceRegistryException

Throws:

ResourceRegistryException

retrieveAll

public static Set<IDaoElement> retrieveAll(RRContext.DatastoreType target,
                                           Class<?> object)
                                    throws ResourceRegistryException

Throws:

ResourceRegistryException

bufferItems

public static void bufferItems(Set<IDaoElement> items)
                        throws ResourceRegistryException

Throws:

ResourceRegistryException

persistItems

public static void persistItems(Set<IDaoElement> items)
                         throws ResourceRegistryException

Throws:

ResourceRegistryException