Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/ExecutionContext.java
{
				return ( (IQueryResultSet) currentRset ).getResultIterator( );
			}
			else if ( resultType == ILinkedResult.TYPE_CUBE )
			{
				return ( (ICubeResultSet) currentRset ).getCubeCursor( );
			}
			return null;
		}
		public int getCurrentResultType( )
		{
			return resultType;
		}
	}
	public boolean hasErrors( )
	{
		return !elementExceptions.isEmpty( );
	}
	/**
	 * Returns list or errors, the max count of the errors is
	 * <code>MAX_ERRORS</code>
	 * 
	 * @return error list which has max error size limited to
	 *         <code>MAX_ERRORS</code>
	 */
	public List getErrors( )
	{
		List errors = this.getAllErrors( );
		if ( errors.size( ) > MAX_ERRORS )
		{