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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef __com_sun_star_ucb_ContentResultSet_idl__
+#define __com_sun_star_ucb_ContentResultSet_idl__
+
+#include <com/sun/star/lang/XComponent.idl>
+#include <com/sun/star/beans/XPropertySet.idl>
+#include <com/sun/star/sdbc/XResultSet.idl>
+#include <com/sun/star/sdbc/XResultSetMetaDataSupplier.idl>
+#include <com/sun/star/sdbc/XRow.idl>
+#include <com/sun/star/sdbc/XCloseable.idl>
+#include <com/sun/star/ucb/XContentAccess.idl>
+#include <com/sun/star/sdbc/ResultSet.idl>
+
+
+module com { module sun { module star { module ucb {
+
+/** provides access to the children of a folder content.
+
+ <p>It can be understand as a table containing a row for each child. The
+ table columns may contain values of properties of the children.
+*/
+published service ContentResultSet
+{
+ /** must be implemented to make it possible to resolve cyclic object
+ references ( i.e. between an implementation of
+ com::sun::star::beans::XPropertySet
+ - which may hold property change listeners - and
+ com::sun::star::beans::XPropertyChangeListener
+ - which may hold the property set ).
+
+ <p>This interface is required.
+ */
+ interface com::sun::star::lang::XComponent;
+
+ /** provides access to the result set meta data. Meta data are for
+ example the number of columns of the result set, information
+ on the data types of columns, column names, and more.
+
+ <p>This interface is required.
+ */
+ interface com::sun::star::sdbc::XResultSetMetaDataSupplier;
+
+ /** enables traveling through the result set members ( the contents ).
+ This interface mainly provides a cursor for the result set.
+
+ <p>Note that every method of this interface implementation additionally
+ may throw a ResultSetException ( which is derived from
+ com::sun::star::sdbc::SQLException to be compatible
+ to that interface ). The new exception transports another exception,
+ which indicates the reason for the failure of the method call.
+
+ <p>This interface is required.
+ */
+ interface com::sun::star::sdbc::XResultSet;
+
+ /** provides access to data of the content the cursor is pointing to.
+
+ <p>Note that every method of this interface implementation additionally
+ may throw a ResultSetException ( which is derived from
+ com::sun::star::sdbc::SQLException to be compatible
+ to that interface ). The new exception transports another exception,
+ which indicates the reason for the failure of the method call.
+
+ <p>This interface is required.
+ */
+ interface com::sun::star::sdbc::XRow;
+
+ /** makes it possible to abort running activities ( i.e. to cancel
+ retrieving data from a server ).
+
+ <p>Note that every method of this interface implementation additionally
+ may throw a ResultSetException ( which is derived from
+ com::sun::star::sdbc::SQLException to be compatible
+ to that interface ). The new exception transports another exception,
+ which indicates the reason for the failure of the method call.
+
+ <p>This interface is required.
+ */
+ interface com::sun::star::sdbc::XCloseable;
+
+ /** holds properties of the result set.
+
+ <p>This interface is required.
+ */
+ interface com::sun::star::beans::XPropertySet;
+
+ /** controls the travel mode of the result set cursor.
+
+ <p>There are two possible travel modes:
+
+ <p><table border=1>
+ <tr><td>CursorTravelMode::BLOCKING</td>
+ <td>Each travel method of the result set will not return until the
+ data for the new position were retrieved.</td></tr>
+ <tr><td>CursorTravelMode::NONBLOCKING</td>
+ <td>The implementation will throw a
+ <code>CursorWouldBlockException</code>, if the data for the new
+ position are not retrieved yet.</td></tr>
+ </table>
+
+ <p>The following pseudo-code illustrates the usage of a non-blocking
+ cursor:
+
+ @code{.java}
+ bProcessedAllRows = false
+ while ( !bProcessedAllRows )
+ {
+ cursor.setPropertyValue( "CursorTravelMode", BLOCKING )
+
+ cursor.travelSomeWhere()
+ collectRowData()
+
+ cursor.setPropertyValue( "CursorTravelMode", NONBLOCKING )
+
+ bGoOn = true;
+ while ( bGoOn )
+ {
+ try
+ {
+ cursor.travelSomeWhere()
+ collectRowData()
+ }
+ catch ( CursorWouldBlockException )
+ {
+ // No more data at the moment.
+ bGoOn = false
+ }
+ }
+
+ doSomethingWithCollectedRowData()
+
+ bProcessedAllRows = ...
+ }
+ @endcode
+
+ <p>
+ If this property is not supported, the implementation needs to provide
+ a blocking cursor.
+ </p>
+
+ <p>
+ The implementation initially needs to set the value of this property
+ to CursorTravelMode::BLOCKING.
+ </p>
+
+ @see CursorTravelMode
+ */
+ [optional, property] long CursorTravelMode;
+
+ /** contains the number of rows obtained (so far) from the data source. */
+ [readonly, property] long RowCount;
+
+ /** indicates that all rows of the result set have been obtained. */
+ [readonly, property] boolean IsRowCountFinal;
+
+ /** provides access to the content identifier and the content object
+ itself.
+
+ <p>This interface is required.
+ */
+ interface XContentAccess;
+
+ /** can be implemented to provide a complete JDBC conform result set
+ interface for the implementation of this service.
+
+ <p>The implementation of this service is optional.
+ */
+ service com::sun::star::sdbc::ResultSet;
+};
+
+
+}; }; }; };
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */