1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.river.norm;
19
20 import java.util.Map;
21 import net.jini.id.Uuid;
22 import org.apache.river.norm.proxy.StoreException;
23 import org.apache.river.norm.proxy.CorruptedStoreException;
24
25 /**
26 * Base class for logged operations that do not create or destroy a set.
27 *
28 * @author Sun Microsystems, Inc.
29 */
30 abstract class LeaseSetOperation extends LoggedOperation {
31 private static final long serialVersionUID = 1L;
32
33 /**
34 * Simple constructor
35 * @param setID The <code>Uuid</code> for the set this operation is on
36 */
37 protected LeaseSetOperation(Uuid setID) {
38 super(setID);
39 }
40
41 // Inherit java doc from super type
42 void apply(Map setTable) throws StoreException {
43 final LeaseSet set = (LeaseSet) setTable.get(setID);
44 if (set != null) {
45 apply(set);
46 } else {
47 throw new CorruptedStoreException("Asked to update set " +
48 setID + " but we have no record of that set");
49 }
50 }
51
52 /**
53 * Update the state of the passed <code>LeaseSet</code> to reflect the
54 * state of the server after this operation was performed.
55 * @throws StoreException if there is a problem applying the update
56 */
57 abstract void apply(LeaseSet set) throws StoreException;
58 }