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
}
	public IBaseResultSet getResultSet( )
	{
		if ( rsets != null )
		{
			return rsets[0];
		}
		return null;
	}
	
	public void setResultSet( IBaseResultSet rset )
	{
		if ( rsets != null && rsets.length == 1 && rsets[0] == rset )
		{
			return;
		}
		setResultSets( new IBaseResultSet[]{rset} );
	}
	public IBaseResultSet[] getResultSets( )
	{
		return rsets;
	}
	public void setResultSets( IBaseResultSet[] rsets )
	{
		if ( this.rsets == rsets )
		{
			return;
		}
		this.rsets = rsets;
		if ( rsets[0] != null )