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.jdbc.snapshot;
18:
19: import org.compass.gps.device.jdbc.JdbcGpsDeviceException;
20:
21: /**
22: * A jdbc snapshot persister, resposible for persisting and loading a
23: * {@link org.compass.gps.device.jdbc.snapshot.JdbcSnapshot} from a persistance
24: * store. Examples for stores can be RAM and FS (File System).
25: *
26: * @see JdbcSnapshotPersister
27: * @see org.compass.gps.device.jdbc.snapshot.RAMJdbcSnapshotPersister
28: * @see org.compass.gps.device.jdbc.snapshot.FSJdbcSnapshotPersister
29: *
30: * @author kimchy
31: */
32: public interface JdbcSnapshotPersister {
33:
34: /**
35: * Saves the jdbc snapshot to the store.
36: *
37: * @param snapshot
38: * @throws JdbcGpsDeviceException
39: */
40: void save(JdbcSnapshot snapshot) throws JdbcGpsDeviceException;
41:
42: /**
43: * Loads the jdbc snapshot from the store.
44: *
45: * @return The jdbc snapshot
46: * @throws JdbcGpsDeviceException
47: */
48: JdbcSnapshot load() throws JdbcGpsDeviceException;
49: }
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