Bug 209753 [acceptance]Cascading group with list limit returns one more data[0705]
Description: Cascading group with list limit returns one more data Build number:2.3.0.v20071114 Steps to reproduce: 1. New a cascading paramter group. 2. Set List limit of the first sub parameter to 5, make sure the parameter has more than five values. 3. Preview. Expected result: Five values in first parameter value list. Actual result: Six values in value list Error log:n/a
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/GetParameterDefinitionTask.java
* groups to the <code>allParameters</code> object.
	 * 
	 * @param params
	 *            A collection of parameters and parameter groups.
	 */
	protected ArrayList flattenParameter( ArrayList params )
	{
		assert params != null;
		IParameterDefnBase param;
		ArrayList allParameters = new ArrayList( );
		for ( int n = 0; n < params.size( ); n++ )
		{
			param = (IParameterDefnBase) params.get( n );
			if ( param.getParameterType( ) == IParameterDefnBase.PARAMETER_GROUP
					|| param.getParameterType( ) == IParameterDefnBase.CASCADING_PARAMETER_GROUP )
			{
				allParameters
						.addAll( flattenParameter( ( (IParameterGroupDefn) param )
								.getContents( ) ) );
			}
			else
			{
				allParameters.add( param );
			}
		}
		
		return allParameters;
	}
	
	class ParameterBinding