Bug 202115 Can not filter the measure value when only one dimension[1102]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/olap/util/filter/BaseDimensionFilterEvalHelper.java
{
						IDimensionDefinition dim = (IDimensionDefinition) i.next( );
						IHierarchyDefinition hirarchy = (IHierarchyDefinition) dim.getHierarchy( )
								.get( 0 );
						for ( Iterator j = hirarchy.getLevels( ).iterator( ); j.hasNext( ); )
						{
							ILevelDefinition level = (ILevelDefinition) j.next( );
							levelList.add( new DimLevel( dim.getName( ),
									level.getName( ) ) );
						}
					}
					DimLevel[] levels = new DimLevel[levelList.size( )];
					levelList.toArray( levels );
					return levels;
				}
				else
				{
					DimLevel[] levels = new DimLevel[aggrs.size( )];
					for ( int i = 0; i < aggrs.size( ); i++ )
					{
						levels[i] = OlapExpressionUtil.getTargetDimLevel( aggrs.get( i )
								.toString( ) );
					}
					return levels;
				}
			}
		}
		return null;
	}
	/* (non-Javadoc)