Bug 211710 [Regression] Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview [01]
Description: Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview. Build number: 2.2.2.v20071203-0630 Steps to reproduce: 1. New a Library with cascading parameters. 2. New a report and extend the cascading parameters from the library and preview. Expected result: Values can be selected from the drop-down list. Actual result: Values can not be selected from the drop-down list. Error log: N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/GetParameterDefinitionTask.java
public Object getValue( )
		{
			return this.value;
		}
		
		public boolean equals( Object obj )
		{
			if ( obj == this )
			{
				return true;
			}
			if ( !(obj instanceof SelectionChoice ) )
			{
				return false;
			}
			SelectionChoice choice = (SelectionChoice)obj;
			if ( value == null )
			{
				return choice.value == null;
			}
			return value.equals( choice.value );
		}
		
		public int hashCode( )
		{
			return value == null? 0 : value.hashCode( );
		}
	}
	
	static class CascadingParameterSelectionChoice extends SelectionChoice