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 boolean equals( Object obj )
		{
			if ( obj == this )
			{
				return true;
			}
			if ( !(obj instanceof ValueGroup ) )
			{
				return false;
			}
			ValueGroup valueGroup = (ValueGroup)obj;
			if ( parameterIndex != valueGroup.parameterIndex )
			{
				return false;
			}
			for ( int i = 0; i <= parameterIndex; i++ )
			{
				if ( !(equal(values[i], valueGroup.values[i])))
				{
					return false;
				}
			}
			return true;
		}
		
		private boolean equal(Object obj1, Object obj2 )
		{
			if ( obj1 == null )
			{
				return obj2 == null;