recordlistener.java

有关j2me的很好的例子可以研究一下

/*
 * @(#)RecordListener.java	1.7 01/06/19
 * Copyright (c) 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Copyright 2000 Motorola, Inc. All Rights Reserved.
 * This notice does not imply publication.
 */

package javax.microedition.rms; 

/** 
 * A listener interface for receiving Record Changed/Added/Deleted 
 * events from a record store. 
 * 
 * @version MIDP 1.0
 * @author Jim Van Peursem 
 */
public interface RecordListener 
{ 
    /** 
     * Called when a record has been added to a record store. 
     * 
     * @param recordStore the RecordStore in which the record is stored. 
     * @param recordId the recordId of the record that has been added. 
     */
    public abstract void recordAdded(RecordStore recordStore, int recordId); 
    
    /** 
     * Called after a record in a record store has been changed. If the 
     * implementation of this method retrieves the record, it will 
     * receive the changed version. 
     * 
     * @param recordStore the RecordStore in which the record is stored. 
     * @param recordId the recordId of the record that has been changed. 
     */
    public abstract void recordChanged(RecordStore recordStore, int recordId); 
    
    /** 
     * Called after a record has been deleted from a record store. If the 
     * implementation of this method tries to retrieve the record 
     * from the record store, an InvalidRecordIDException will be thrown. 
     * 
     * @param recordStore the RecordStore in which the record was stored. 
     * @param recordId the recordId of the record that has been deleted. 
     */
    public abstract void recordDeleted(RecordStore recordStore, int recordId); 
}