xref: /aoo42x/main/offapi/com/sun/star/chart2/data/XDatabaseDataProvider.idl (revision cdf0e10c)

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#ifndef __com_sun_star_report_XDatabaseDataProvider_idl__
#define __com_sun_star_report_XDatabaseDataProvider_idl__

#ifndef __com_sun_star_container_NoSuchElementException_idl__
#include <com/sun/star/container/NoSuchElementException.idl>
#endif
#include <com/sun/star/beans/XPropertySet.idl>
#include <com/sun/star/beans/UnknownPropertyException.idl>
#include <com/sun/star/lang/XInitialization.idl>
#include <com/sun/star/lang/XComponent.idl>
#include <com/sun/star/sdbc/XConnection.idl>
#include <com/sun/star/sdbc/XParameters.idl>
#include <com/sun/star/sdbc/XRowSet.idl>
#include <com/sun/star/chart2/data/XDataProvider.idl>
#include <com/sun/star/chart2/data/XRangeXMLConversion.idl>

//=============================================================================

 module com {  module sun {  module star {  module chart2 { module data {

//=============================================================================

/** identifies a <type>XDataProvider</type> for result sets.

	@see XDataProvider
    @see DataProvider
 */
interface XDatabaseDataProvider
{
	/** For accessing data a component provides for being used by
        charts.
     */
	interface XDataProvider;

    /** allows you to convert the ranges a data provider deals with
        internally into valid XML.
     */
    interface XRangeXMLConversion;

    /** allows access to the properties of the instance.
	*/
	interface com::sun::star::lang::XInitialization;

    /** allows life-time control of the database data provider.
	 */
    interface com::sun::star::lang::XComponent;

	/** allows access to the properties of the instance.
	*/
	interface com::sun::star::beans::XPropertySet;

    interface com::sun::star::sdbc::XParameters;
    interface com::sun::star::sdbc::XRowSet;

    /** is used for subreports and contains the names of columns of the parent report.
	<p> These columns are typically the foreign key fields of the parent report.
	The values of theses columns are used to identify the data for the subreport.
	Each time the parent report changes it's current row, the subreport requeries
	it's data based on the values of the master fields.</p>
	<p>If the report is no sub report (e.g. it's parent is not a report itself), this
	property is not evaluated.</p>

	*/
    [attribute,bound] sequence<string> MasterFields;

	/**is used for subreports and contains the names of the columns of the subreport
	which are related to the master fields of the parent report.
	<p>Entries in this sequence can either denote column names in the sub report,
	or paramater names.<br/>
	For instance, you could base the report on the SQL statement
	<code>SELECT * FROM invoices WHERE cust_ref = :cid</code>, and add <code>cid</code>
	to the DetailFields property. In this case, the parameter will be filled from
	the corresponding master field.<br/>
	Alternatively, you could simply base your report on the table <code>invoices</code>,
	and add the column name <code>cust_ref</code> to the DetailFields. In this case,
	and implicit filter clause <code>WHERE cust_ref = :&lt;new_param_name&gt;</code> will
	be created, and the artificial parameter will be filled from the corresponding
	master field.<br/>
	If a string in this property denotes both a column name and a parameter name, it
	is undefined which way it is interpreted, but implementations of the service are required
	to either decide for the paramter or the column, and proceed as usual.
	</p>
	<p>The columns specified herein typically represent a part of the primary key
	fields or their aliases of the detail report.</p>
	<p>If the report is no sub report (e.g. it's parent is not a report itself), this
	property is not evaluated.</p>
	*
	*/
    [attribute,bound] sequence<string> DetailFields;

    /** is the command which should be executed, the type of command depends
	on the CommandType.
	<p>In case of a <member>CommandType</member> of <member>CommandType::COMMAND</member>,
	means in case the <member>Command</member> specifies an SQL statement, the inherited
	<member scope="com::sun::star::sdbc">RowSet::EscapeProcessing</member>
	becomes relevant:<br/>
	It then can be to used to specify whether the SQL statement should be analyzed on the
	client side before sending it to the database server.<br/>
	The default value for <member scope="com::sun::star::sdbc">RowSet::EscapeProcessing</member>
	is <TRUE/>. By switching it to <FALSE/>, you can pass backend-specific SQL statements,
	which are not standard SQL, to your database.</p>


	@see com::sun::star::sdb::CommandType
	*/
    [attribute,bound] string Command;

	/** specifies the type of the command to be executed to retrieve a result set.

		<p><member>Command</member> needs to be interpreted depending on the value of this property.</p>

		<p>This property is only meaningfull together with the <member>Command</member>
		property, thus either <em>both</em> or <em>none</em> of them are present.</p>

		@see com::sun::star::sdb::CommandType
	 */
    [attribute,bound] long CommandType;

	/** specifies an addtional filter to optinally use.

		<p>The Filter string has to form a SQL WHERE-clause, <em>without</em> the WHERE-string itself.</p>

		<p>If a <member>DataSourceName</member>, <member>Command</member> and <member>CommandType</member>
		are specified, a <type>RowSet</type> can be created with this information. If the results provided by the
		row set are to be additionally filtered, the Filter property can be used.</p>

		<p>Note that the Filter property does not make sense if a <member>ResultSet</member> has been specified
		in the DataAccessDescriptor.</p>

		@see com::sun::star::sdb::RowSet
		@see ResultSet
	*/
	[attribute,bound] string Filter;

    /** indicates whether the filter should be applied or not,
		default is <FALSE/>.
	 */
	[attribute,bound] boolean ApplyFilter;

    /** additional having clause for the row set
	 */
	[attribute,bound] string HavingClause
    {
        set raises (com::sun::star::beans::UnknownPropertyException);
    };

	/** additional group by for the row set
	 */
	[attribute,bound] string GroupBy
    {
        set raises (com::sun::star::beans::UnknownPropertyException);
    };

	/** is a additional sort order definition for a rowset.
	 */
	[attribute,bound] string Order;

	/** specifies if the <member>Command</member> should be analyzed on the client side before sending it
		to the database server.

		<p>The default value of this property is <TRUE/>. By switching it to <FALSE/>, you can pass
		backend-specific SQL statements, which are not standard SQL, to your database.</p>

		<p>This property is usually present together with the <member>Command</member> and
		<member>CommandType</member> properties, and is evaluated if and only if <member>CommandType</member>
		equals <member>CommandType::COMMAND</member>.</p>
	*/
	[attribute,bound] boolean EscapeProcessing;

    /** specifies the maximal count of rows which should be fetched.
        <p>A value of zero implies that no limit exists.</p>
    */
    [attribute,bound] long RowLimit;

    /** specifies the active connection which is used to create the resulting report.
	*/
    [attribute,bound] com::sun::star::sdbc::XConnection ActiveConnection
    {
        set raises (com::sun::star::lang::IllegalArgumentException);
    };
    /** is the name of the datasource to use, this could be a named datasource
		or the URL of a data access component.
	 */
	[attribute,bound] string DataSourceName;
};

service DatabaseDataProvider : XDatabaseDataProvider
{
    createWithConnection([in] com::sun::star::sdbc::XConnection connection);
};
//=============================================================================

 }; }; }; };  };

/*=============================================================================

=============================================================================*/
#endif