01: /*
02:
03: Derby - Class org.apache.derby.iapi.sql.conn.ConnectionUtil
04:
05: Licensed to the Apache Software Foundation (ASF) under one or more
06: contributor license agreements. See the NOTICE file distributed with
07: this work for additional information regarding copyright ownership.
08: The ASF licenses this file to you under the Apache License, Version 2.0
09: (the "License"); you may not use this file except in compliance with
10: the License. You may obtain a copy of the License at
11:
12: http://www.apache.org/licenses/LICENSE-2.0
13:
14: Unless required by applicable law or agreed to in writing, software
15: distributed under the License is distributed on an "AS IS" BASIS,
16: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17: See the License for the specific language governing permissions and
18: limitations under the License.
19:
20: */
21:
22: package org.apache.derby.iapi.sql.conn;
23:
24: import org.apache.derby.iapi.services.context.ContextService;
25: import org.apache.derby.iapi.error.StandardException;
26: import org.apache.derby.iapi.services.i18n.MessageService;
27: import org.apache.derby.iapi.reference.SQLState;
28: import org.apache.derby.iapi.error.ExceptionSeverity;
29:
30: import java.sql.SQLException;
31:
32: public class ConnectionUtil {
33:
34: /**
35: Get the current LanguageConnectionContext.
36: Used by public api code that needs to ensure it
37: is in the context of a SQL connection.
38:
39: @exception SQLException Caller is not in the context of a connection.
40: */
41: public static LanguageConnectionContext getCurrentLCC()
42: throws SQLException {
43:
44: LanguageConnectionContext lcc = (LanguageConnectionContext) ContextService
45: .getContextOrNull(LanguageConnectionContext.CONTEXT_ID);
46:
47: if (lcc == null)
48: throw new SQLException(
49: // No current connection
50: MessageService
51: .getTextMessage(SQLState.NO_CURRENT_CONNECTION),
52: SQLState.NO_CURRENT_CONNECTION,
53: ExceptionSeverity.SESSION_SEVERITY);
54:
55: return lcc;
56: }
57: }
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