Bug 200755 [smoke]Fail to preview Crosstab after deploy BIRT in application servers.[0601][1102]
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataRequestSessionImpl.java
while ( levelIter.hasNext( ) )
					{
						ILevelDefinition level = (ILevelDefinition) levelIter.next( );
						String levelName = level.getName( );
						filterExpression.add( new FilterDefinition( new ConditionalExpression( ExpressionUtil.createJSDimensionExpression( dimensionName,
								levelName ),
								IConditionalExpression.OP_TOP_N,
								String.valueOf( size ) ) ) );
					}
				}
			}
		}
		return filterExpression;
	}	
	
	/**
	 * 
	 * @param propValue
	 * @return
	 */
	private int populateFetchLimitSize( Object propValue )
	{
		int fetchLimit = -1;
		String fetchLimitSize = propValue == null ? "-1" : propValue.toString( );
		if ( fetchLimitSize != null )
			fetchLimit = Integer.parseInt( fetchLimitSize );
		return fetchLimit;
	}
}