01: /**
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */package org.apache.openejb.resource.jdbc;
17:
18: import org.apache.openejb.util.Join;
19:
20: import java.util.Map;
21: import java.util.HashMap;
22:
23: /**
24: * @version $Rev$ $Date$
25: */
26: public class IsolationLevels {
27:
28: private static Map<String, Integer> isolation = new HashMap<String, Integer>();
29: static {
30: isolation.put("NONE", 0);
31: isolation.put("READ_COMMITTED", 2);
32: isolation.put("READ_UNCOMMITTED", 1);
33: isolation.put("REPEATABLE_READ", 4);
34: isolation.put("SERIALIZABLE", 8);
35: }
36:
37: public static int getIsolationLevel(String s) {
38: if (!isolation.containsKey(s))
39: throw new IllegalArgumentException(
40: "No such transaction isolation level '" + s
41: + "'. Possible values are "
42: + Join.join(", ", isolation.keySet()));
43: int level = isolation.get(s);
44: return level;
45: }
46:
47: }
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