39 *
40 * <h2> Thread safety </h2>
41 *
42 * A SerialRef is not safe for use by multiple concurrent threads. If a
43 * SerialRef is to be used by more than one thread then access to the SerialRef
44 * should be controlled by appropriate synchronization.
45 *
46 * @since 1.5
47 */
48 public class SerialRef implements Ref, Serializable, Cloneable {
49
50 /**
51 * String containing the base type name.
52 * @serial
53 */
54 private String baseTypeName;
55
56 /**
57 * This will store the type <code>Ref</code> as an <code>Object</code>.
58 */
59 private Object object;
60
61 /**
62 * Private copy of the Ref reference.
63 */
64 private Ref reference;
65
66 /**
67 * Constructs a <code>SerialRef</code> object from the given <code>Ref</code>
68 * object.
69 *
70 * @param ref a Ref object; cannot be <code>null</code>
71 * @throws SQLException if a database access occurs; if <code>ref</code>
72 * is <code>null</code>; or if the <code>Ref</code> object returns a
73 * <code>null</code> value base type name.
74 * @throws SerialException if an error occurs serializing the <code>Ref</code>
75 * object
76 */
77 public SerialRef(Ref ref) throws SerialException, SQLException {
78 if (ref == null) {
79 throw new SQLException("Cannot instantiate a SerialRef object " +
80 "with a null Ref object");
81 }
82 reference = ref;
83 object = ref;
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39 *
40 * <h2> Thread safety </h2>
41 *
42 * A SerialRef is not safe for use by multiple concurrent threads. If a
43 * SerialRef is to be used by more than one thread then access to the SerialRef
44 * should be controlled by appropriate synchronization.
45 *
46 * @since 1.5
47 */
48 public class SerialRef implements Ref, Serializable, Cloneable {
49
50 /**
51 * String containing the base type name.
52 * @serial
53 */
54 private String baseTypeName;
55
56 /**
57 * This will store the type <code>Ref</code> as an <code>Object</code>.
58 */
59 @SuppressWarnings("serial") // Not statically typed as Serializable
60 private Object object;
61
62 /**
63 * Private copy of the Ref reference.
64 */
65 @SuppressWarnings("serial") // Not statically typed as Serializable; checked in writeObject
66 private Ref reference;
67
68 /**
69 * Constructs a <code>SerialRef</code> object from the given <code>Ref</code>
70 * object.
71 *
72 * @param ref a Ref object; cannot be <code>null</code>
73 * @throws SQLException if a database access occurs; if <code>ref</code>
74 * is <code>null</code>; or if the <code>Ref</code> object returns a
75 * <code>null</code> value base type name.
76 * @throws SerialException if an error occurs serializing the <code>Ref</code>
77 * object
78 */
79 public SerialRef(Ref ref) throws SerialException, SQLException {
80 if (ref == null) {
81 throw new SQLException("Cannot instantiate a SerialRef object " +
82 "with a null Ref object");
83 }
84 reference = ref;
85 object = ref;
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