Bug 188224 DTE should give out APIs about CrossTab filter equal value list and member value list Util.
DTE should give out APIs about CrossTab filter equal value list and member value list Util.
data/org.eclipse.birt.report.data.adapter/src/org/eclipse/birt/report/data/adapter/impl/DataSetIterator.java
this.processor = new SecondProcessor();
			}
			else
				throw new AdapterException("Error");
		}
		
		public Object process( Object d ) throws AdapterException
		{
			return this.processor.process( d );
		}
		
		
	}
	
	private class DataProcessorWrapper implements IDataProcessor
	{
		private ICalculator calculator;
		
		DataProcessorWrapper ( ICalculator calculator )
		{
			this.calculator = calculator;
		}
		
		public Object process( Object d ) throws AdapterException
		{
			try
			{
				return this.calculator.calculate( d );
			}
			catch ( BirtException e )