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| ResultIterator (Cayenne Documentation 3.0.2 API) |
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| SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD> |
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| org.apache.cayenne.access</FONT> |
| <BR> |
| Interface ResultIterator</H2> |
| <DL> |
| <DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../org/apache/cayenne/access/jdbc/DistinctResultIterator.html" title="class in org.apache.cayenne.access.jdbc">DistinctResultIterator</A>, <A HREF="../../../../org/apache/cayenne/access/util/DistinctResultIterator.html" title="class in org.apache.cayenne.access.util">DistinctResultIterator</A>, <A HREF="../../../../org/apache/cayenne/access/jdbc/JDBCResultIterator.html" title="class in org.apache.cayenne.access.jdbc">JDBCResultIterator</A>, <A HREF="../../../../org/apache/cayenne/access/jdbc/LimitResultIterator.html" title="class in org.apache.cayenne.access.jdbc">LimitResultIterator</A></DD> |
| </DL> |
| <HR> |
| <DL> |
| <DT><PRE>public interface <B>ResultIterator</B></DL> |
| </PRE> |
| |
| <P> |
| Defines API of an iterator over the records returned as a result of SelectQuery |
| execution. Usually a ResultIterator is supported by an open java.sql.ResultSet, |
| therefore most of the methods would throw checked exceptions. ResultIterators must be |
| explicitly closed when the user is done working with them. |
| <p> |
| Result "rows", depending on the query, may be represented as scalar values, DataRows, |
| or Object[] arrays containing a mix of scalars and DataRows. |
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| |
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| <B>Method Summary</B></FONT></TH> |
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| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><?></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/access/ResultIterator.html#allRows()">allRows</A></B>()</CODE> |
| |
| <BR> |
| Returns all yet unread rows from ResultSet without closing it.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/access/ResultIterator.html#close()">close</A></B>()</CODE> |
| |
| <BR> |
| Closes ResultIterator and associated ResultSet.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> boolean</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/access/ResultIterator.html#hasNextRow()">hasNextRow</A></B>()</CODE> |
| |
| <BR> |
| Returns true if there is at least one more record that can be read from the |
| iterator.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/access/ResultIterator.html#nextRow()">nextRow</A></B>()</CODE> |
| |
| <BR> |
| Returns the next result row that is, depending on the query, may be a scalar value, |
| a DataRow, or an Object[] array containing a mix of scalars and DataRows.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE> void</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../org/apache/cayenne/access/ResultIterator.html#skipRow()">skipRow</A></B>()</CODE> |
| |
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| |
| <A NAME="allRows()"><!-- --></A><H3> |
| allRows</H3> |
| <PRE> |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</A><?> <B>allRows</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></PRE> |
| <DL> |
| <DD>Returns all yet unread rows from ResultSet without closing it. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></CODE><DT><B>Since:</B></DT> |
| <DD>3.0</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="hasNextRow()"><!-- --></A><H3> |
| hasNextRow</H3> |
| <PRE> |
| boolean <B>hasNextRow</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></PRE> |
| <DL> |
| <DD>Returns true if there is at least one more record that can be read from the |
| iterator. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></CODE></DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="nextRow()"><!-- --></A><H3> |
| nextRow</H3> |
| <PRE> |
| <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <B>nextRow</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></PRE> |
| <DL> |
| <DD>Returns the next result row that is, depending on the query, may be a scalar value, |
| a DataRow, or an Object[] array containing a mix of scalars and DataRows. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></CODE><DT><B>Since:</B></DT> |
| <DD>3.0</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="skipRow()"><!-- --></A><H3> |
| skipRow</H3> |
| <PRE> |
| void <B>skipRow</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></PRE> |
| <DL> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></CODE><DT><B>Since:</B></DT> |
| <DD>3.0</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="close()"><!-- --></A><H3> |
| close</H3> |
| <PRE> |
| void <B>close</B>() |
| throws <A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></PRE> |
| <DL> |
| <DD>Closes ResultIterator and associated ResultSet. This method must be called |
| explicitly when the user is finished processing the records. Otherwise unused |
| database resources will not be released properly. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="../../../../org/apache/cayenne/CayenneException.html" title="class in org.apache.cayenne">CayenneException</A></CODE></DL> |
| </DD> |
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