01: /*
02: * Copyright 2004-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16:
17: package org.compass.gps.device.hibernate.scrollable.snapshot;
18:
19: import org.compass.gps.device.hibernate.HibernateGpsDeviceException;
20:
21: /**
22: * A jdbc snapshot persister, resposible for persisting and loading a
23: * {@link org.compass.gps.device.hibernate.scrollable.snapshot.HibernateSnapshot} from a persistance
24: * store. Examples for stores can be RAM and FS (File System).
25: *
26: * @author kimchy
27: * @see HibernateSnapshotPersister
28: * @see org.compass.gps.device.hibernate.scrollable.snapshot.RAMHibernateSnapshotPersister
29: * @see org.compass.gps.device.hibernate.scrollable.snapshot.FSHibernateSnapshotPersister
30: */
31: public interface HibernateSnapshotPersister {
32:
33: /**
34: * Saves the hibernate snapshot to the store.
35: *
36: * @param snapshot
37: * @throws HibernateGpsDeviceException
38: */
39: void save(HibernateSnapshot snapshot)
40: throws HibernateGpsDeviceException;
41:
42: /**
43: * Loads the hibernate snapshot from the store.
44: *
45: * @return The hibernate snapshot
46: * @throws HibernateGpsDeviceException
47: */
48: HibernateSnapshot load() throws HibernateGpsDeviceException;
49: }
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