rowsetreader.html
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Java 2 Platform EE v1.3: Interface RowSetReader
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javax.sql</FONT>
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Interface RowSetReader</H2>
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<DT>public interface <B>RowSetReader</B></DL>
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<P>An object implementing the RowSetReader interface may be registered with
a RowSet object that supports the reader/writer paradigm. A RowSetReader object
is called by a rowset to produce a new set of rows which will become
the rowset's contents.
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/sql/RowSetReader.html#readData(javax.sql.RowSetInternal)">readData</A></B>(<A HREF="../../javax/sql/RowSetInternal.html">RowSetInternal</A> caller)</CODE>
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Read the new contents of a rowset.</TD>
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readData</H3>
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public void <B>readData</B>(<A HREF="../../javax/sql/RowSetInternal.html">RowSetInternal</A> caller)
throws java.sql.SQLException</PRE>
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<DD><P>Read the new contents of a rowset. This method is invoked internally
by the RowSet.execute() method for rowsets that support the
reader/writer paradigm.
<P>The readData() method uses the RowSet.insertRow() or RowSet.populate()
methods to add rows to the caller. In general, any of the caller's
methods may be called by the reader with one exception, calling
execute() will throw an SQLException since execute may not be called
recursively. Also, rowset events, such as RowSetChanged, etc. are not
generated by RowSet methods invoked by a reader.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>caller</CODE> - the rowset that called the reader<DT><B>Throws:</B><DD><CODE>java.sql.SQLException</CODE> - if a database-access error occurs</DL>
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