- /*
- * @(#)RowSetReader.java 1.8 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.sql;
-
- import java.sql.*;
-
- /**
- * The facility that a disconnected <code>RowSet</code> object calls on
- * to populate itself with rows of data. A reader (an object implementing the
- * <code>RowSetReader</code> interface) may be registered with
- * a <code>RowSet</code> object that supports the reader/writer paradigm.
- * When the <code>RowSet</code> object's <code>execute</code> method is
- * called, it in turn calls the reader's <code>readData</code> method.
- *
- * @since 1.4
- */
-
- public interface RowSetReader {
-
- /**
- * Reads the new contents of the calling <code>RowSet</code> object.
- * In order to call this method, a <code>RowSet</code>
- * object must have implemented the <code>RowSetInternal</code> interface
- * and registered this <code>RowSetReader</code> object as its reader.
- * The <code>readData</code> method is invoked internally
- * by the <code>RowSet.execute</code> method for rowsets that support the
- * reader/writer paradigm.
- *
- * <P>The <code>readData</code> method adds rows to the caller.
- * It can be implemented in a wide variety of ways and can even
- * populate the caller with rows from a nonrelational data source.
- * In general, a reader may invoke any of the rowset's methods,
- * with one exception. Calling the method <code>execute</code> will
- * cause an <code>SQLException</code> to be thrown
- * because <code>execute</code> may not be called recursively. Also,
- * when a reader invokes <code>RowSet</code> methods, no listeners
- * are notified; that is, no <code>RowSetEvent</code> objects are
- * generated and no <code>RowSetListener</code> methods are invoked.
- * This is true because listeners are already being notified by the method
- * <code>execute</code>.
- *
- * @param caller the <code>RowSet</code> object (1) that has implemented the
- * <code>RowSetInternal</code> interface, (2) with which this reader is
- * registered, and (3) whose <code>execute</code> method called this reader
- * @exception SQLException if a database access error occurs or this method
- * invokes the <code>RowSet.execute</code> method
- */
- void readData(RowSetInternal caller) throws SQLException;
-
- }