SerialDatalink (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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javax.sql.rowset.serial
Class SerialDatalink

java.lang.Object
  javax.sql.rowset.serial.SerialDatalink

All Implemented Interfaces:: Serializable, Cloneable

public class SerialDatalink
extends Object
implements Serializable, Cloneable
extends Object
implements Serializable, Cloneable

A serialized mapping in the Java programming language of an SQL DATALINK value. A DATALINK value references a file outside of the underlying data source that the data source manages.

RowSet implementations can use the method RowSet.getURL to retrieve a java.net.URL object, which can be used to manipulate the external data.

      java.net.URL url = rowset.getURL(1);

See Also:: Serialized Form

Constructor Summary

SerialDatalink(URL url)
Constructs a new SerialDatalink object from the given java.net.URL object.

Method Summary

URL getDatalink()
Returns a new URL that is a copy of this SerialDatalink object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Summary
`SerialDatalink(URL url)` Constructs a new `SerialDatalink` object from the given `java.net.URL` object.

Method Summary
`URL`	`getDatalink()` Returns a new URL that is a copy of this `SerialDatalink` object.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

SerialDatalink

public SerialDatalink(URL url)
               throws SerialException

Constructs a new SerialDatalink object from the given java.net.URL object.

Throws:: SerialException - if url parameter is a null

Method Detail

getDatalink

public URL getDatalink()
                throws SerialException

Returns a new URL that is a copy of this SerialDatalink object.

Returns:: a copy of this SerialDatalink object as a URL object in the Java programming language.
Throws:: SerialException - if the URL object cannot be de-serialized