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
return cache.getRoot( );
	}
	private ParameterHelper[] getParameterHelpers(
			CascadingParameterGroupHandle parameterGroup )
	{
		SlotHandle parameters = parameterGroup.getParameters( );
		int parameterCount = parameters.getCount( );
		ParameterHelper[] parameterHelpers = new ParameterHelper[parameterCount];
		for ( int i = 0; i < parameterCount; i++ )
		{
			ScalarParameterHandle parameter = (ScalarParameterHandle) parameters.get( i );
			parameterHelpers[i] = new ParameterHelper( parameter, locale );
		}
		return parameterHelpers;
	}
	
	private Collection getChoicesFromParameterGroup(
			ScalarParameterHandle parameter, Object[] groupKeyValues )
	{
		assert isCascadingParameter( parameter );
		CascadingParameterGroupHandle parameterGroup = getCascadingGroup( parameter );
		IResultIterator iterator = getResultSetOfCascadingGroup( parameterGroup );
		if ( iterator == null )
		{
			return Collections.EMPTY_LIST;
		}
		return populateToList( iterator, parameter, new ParameterGroupFilter(
				groupKeyValues, parameterGroup ) );
	}
	private interface SelectionFilter