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/api/DataRequestSession.java
* This method basically shares the same function as
	 * <code> refreshMetaData( DataSetHandle dataSetHandle )</code>, the only
	 * difference is the caller of this method will have the control over
	 * whether to hold the event or not. It is added largely for the backward
	 * compatibility
	 * 
	 * @param dataSetHandle
	 * @param holdEvent
	 *            true if holdEvent, false otherwise
	 * @return
	 * @throws BirtException
	 */
	public abstract IResultMetaData refreshMetaData(
			DataSetHandle dataSetHandle, boolean holdEvent )
			throws BirtException;
	
	/**
	 * Retrieves all distinct values of a data set column and return them in a
	 * Collection.
	 * 
	 * @param dataSet
	 *            Handle of data set to query
	 * @param inputParamBindings
	 *            An iterator of ParamBindingHandle objects that defines
	 *            bindings for the data set's input parameters
	 * @param columnBindings
	 *            An iterator of ComputedColumnHandle objects that define all
	 *            column binding expressions
	 * @param columnName
	 *            Name of the bound column to retrieve values for