|
1 package org.hibernate.lob;
3
4 import java.io.InputStream  ;
5 import java.io.OutputStream ;
6 import java.io.Serializable ;
7 import java.sql.Blob ;
8 import java.sql.SQLException ;
9
10
13 public class SerializableBlob implements Serializable , Blob {
14
15 private transient final Blob blob;
16
17 public SerializableBlob(Blob blob) {
18 this.blob = blob;
19 }
20
21 public Blob getWrappedBlob() {
22 if ( blob==null ) {
23 throw new IllegalStateException ("Blobs may not be accessed after serialization");
24 }
25 else {
26 return blob;
27 }
28 }
29
30 public long length() throws SQLException {
31 return getWrappedBlob().length();
32 }
33
34 public byte[] getBytes(long pos, int length) throws SQLException {
35 return getWrappedBlob().getBytes(pos, length);
36 }
37
38 public InputStream getBinaryStream() throws SQLException {
39 return getWrappedBlob().getBinaryStream();
40 }
41
42 public long position(byte[] pattern, long start) throws SQLException {
43 return getWrappedBlob().position(pattern, start);
44 }
45
46 public long position(Blob pattern, long start) throws SQLException {
47 return getWrappedBlob().position(pattern, start);
48 }
49
50 public int setBytes(long pos, byte[] bytes) throws SQLException {
51 return getWrappedBlob().setBytes(pos, bytes);
52 }
53
54 public int setBytes(long pos, byte[] bytes, int offset, int len) throws SQLException {
55 return getWrappedBlob().setBytes(pos, bytes, offset, len);
56 }
57
58 public OutputStream setBinaryStream(long pos) throws SQLException {
59 return getWrappedBlob().setBinaryStream(pos);
60 }
61
62 public void truncate(long len) throws SQLException {
63 getWrappedBlob().truncate(len);
64 }
65
66 }
67 |
Popular Tags |
Java API By Example, From Geeks To Geeks.