final CompoundDataFactory cdf = new CompoundDataFactory();
cdf.add(new TableDataFactory("static", new DefaultTableModel()));
final CachingDataFactory caDf = new CachingDataFactory(cdf, true);
final CompoundDataFactory ccdf = new CascadingDataFactory();
ccdf.add(caDf);
ccdf.add(new StaticDataFactory());
assertTrue(ccdf.isQueryExecutable("static", new StaticDataRow()));
assertNotNull(ccdf.queryData("static", new StaticDataRow()));
}