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Java > Open Source Codes > org > apache > activemq > store > jdbc > adapter > OracleJDBCAdapter


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * 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.activemq.store.jdbc.adapter;
19
20 import java.sql.Blob JavaDoc;
21 import java.sql.ResultSet JavaDoc;
22 import java.sql.SQLException JavaDoc;
23
24 import org.apache.activemq.store.jdbc.Statements;
25
26 /**
27  * Implements all the default JDBC operations that are used
28  * by the JDBCPersistenceAdapter.
29  * <p/>
30  * Subclassing is encouraged to override the default
31  * implementation of methods to account for differences
32  * in JDBC Driver implementations.
33  * <p/>
34  * The JDBCAdapter inserts and extracts BLOB data using the
35  * getBytes()/setBytes() operations.
36  * <p/>
37  * The databases/JDBC drivers that use this adapter are:
38  * <ul>
39  * <li></li>
40  * </ul>
41  *
42  * @org.apache.xbean.XBean element="oracleJDBCAdapter"
43  *
44  * @version $Revision: 1.2 $
45  */
46 public class OracleJDBCAdapter extends BlobJDBCAdapter {
47
48     public void setStatements(Statements statements) {
49         statements.setLongDataType("NUMBER");
50         super.setStatements(statements);
51     }
52     
53     protected byte[] getBinaryData(ResultSet JavaDoc rs, int index) throws SQLException JavaDoc {
54         // Get as a BLOB
55 Blob JavaDoc aBlob = rs.getBlob(index);
56         if (aBlob == null) {
57             return null;
58         }
59         return aBlob.getBytes(1, (int) aBlob.length());
60     }
61 }
62
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