01: package com.sleepycat.db;
02:
03: /**
04: * Licensed to the Apache Software Foundation (ASF) under one or more
05: * contributor license agreements. See the NOTICE file distributed with
06: * this work for additional information regarding copyright ownership.
07: * The ASF licenses this file to You under the Apache License, Version 2.0
08: * (the "License"); you may not use this file except in compliance with
09: * the License. You may obtain a copy of the License at
10: *
11: * http://www.apache.org/licenses/LICENSE-2.0
12: *
13: * Unless required by applicable law or agreed to in writing, software
14: * distributed under the License is distributed on an "AS IS" BASIS,
15: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16: * See the License for the specific language governing permissions and
17: * limitations under the License.
18: */
19:
20: import com.sleepycat.db.internal.Db;
21: import com.sleepycat.db.internal.DbTxn;
22:
23: /**
24: * This class is a hack to workaround the need to rewrite the entire
25: * org.apache.lucene.store.db package after Sleepycat radically changed its
26: * Java API from version 4.2.52 to version 4.3.21.
27: *
28: * The code below extracts the package-accessible internal handle instances
29: * that were the entrypoint objects in the pre-4.3 Java API and that wrap the
30: * actual Berkeley DB C objects via SWIG.
31: *
32: * @author Andi Vajda
33: */
34:
35: public class DbHandleExtractor {
36:
37: private DbHandleExtractor() {
38: }
39:
40: static public Db getDb(Database database) {
41: return database.db;
42: }
43:
44: static public DbTxn getDbTxn(Transaction transaction) {
45: return transaction.txn;
46: }
47: }
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