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[gae.git] / java / src / main / com / google / appengine / api / datastore / AsyncDatastoreServiceInternal.java
blobf0413c9a0ca518e82b34863bab0454aedb95fe6c
1 package com.google.appengine.api.datastore;
3 import java.util.concurrent.Future;
5 /**
6 * Internal interface to allow type compatibility between V3 and V4 service
7 * providers, i.e. {@link AsyncDatastoreServiceImpl}. Unsupported methods throw
8 * {@link UnsupportedOperationException}.
9 */
10 interface AsyncDatastoreServiceInternal extends AsyncDatastoreService {
12 /**
13 * @see DatastoreService#allocateIdRange(KeyRange)
15 Future<DatastoreService.KeyRangeState> allocateIdRange(final KeyRange range);