pool2.setProductAttribute("virt_only", "true", "1234");
pool2.setAttribute("virt_only", "false");
poolCurator.create(pool2);
PoolFilterBuilder filters = new PoolFilterBuilder();
filters.addAttributeFilter("virt_only", "true");
Page<List<Pool>> page = poolCurator.listAvailableEntitlementPools(
null, owner, null, activeDate, false, filters,
null, false);
List<Pool> results = page.getPageData();