public static List<Province> getAllProvinceFromCache() {
Cache cache = CacheItemManager.getCache(CacheName.DB_CACHE_PROVINCE);
Attribute<Integer> id = cache.getSearchAttribute("id");
Query query = cache.createQuery().includeValues().addCriteria(id.notNull());
Results results = query.execute();
List<Result> rs = results.all();
if (rs == null || rs.size() <= 0) {
return null;
}
int size = rs.size();
List<Province> list = new ArrayList<Province>();
for (int i = 0; i < size; ++i) {
list.add((Province) rs.get(i).getValue());
}
results.discard();
return list;
}
public static List<AreaView> getAllAreaFromCache() {
Cache cache = CacheItemManager.getCache(CacheName.DB_CACHE_AREA);
Attribute<String> areacode =
cache.getSearchAttribute(SearchAttributeName.DBCACHE_AREA_AREACODE);
Query query =
cache
.createQuery()
.includeAttribute(areacode)
.includeValues()
.addCriteria(areacode.notNull())
.addOrderBy(areacode, Direction.ASCENDING);
Results results = query.execute();
List<Result> rs = results.all();
if (rs == null || rs.size() <= 0) {
return null;
}
int size = rs.size();
List<AreaView> list = new ArrayList<AreaView>();
for (int i = 0; i < size; ++i) {
list.add((AreaView) rs.get(i).getValue());
}
results.discard();
return list;
}
public static List<Town> getTownByProvinceFromCache(String provinceCode) {
Cache cache = CacheItemManager.getCache(CacheName.DB_CACHE_TOWN);
Attribute<String> provcode = cache.getSearchAttribute("prov_code");
Query query = cache.createQuery().includeValues().addCriteria(provcode.eq(provinceCode));
Results results = query.execute();
List<Result> rs = results.all();
if (rs == null || rs.size() <= 0) {
return null;
}
int size = rs.size();
List<Town> list = new ArrayList<Town>();
for (int i = 0; i < size; ++i) {
list.add((Town) rs.get(i).getValue());
}
results.discard();
return list;
}
public static List<Province> getProvinceByAearFromCache(String[] areacodes) {
Cache cache = CacheItemManager.getCache(CacheName.DB_CACHE_PROVINCE);
Attribute<String> provarea = cache.getSearchAttribute("prov_area");
Attribute<String> provcode = cache.getSearchAttribute("prov_code");
Query query =
cache
.createQuery()
.includeValues()
.addCriteria(provarea.in(Arrays.asList(areacodes)))
.addOrderBy(provcode, Direction.ASCENDING);
Results results = query.execute();
List<Result> rs = results.all();
if (rs == null || rs.size() <= 0) {
return null;
}
int size = rs.size();
List<Province> list = new ArrayList<Province>();
for (int i = 0; i < size; ++i) {
list.add((Province) rs.get(i).getValue());
}
results.discard();
return list;
}
/**
* 判断Cache中是否有数据
*
* @param cache
* @return
*/
public static boolean hasData(String cacheName) {
Cache cache = CacheItemManager.getCache(cacheName);
if (cache.getKeys() == null || cache.getKeys().size() <= 0) {
return false;
}
return true;
}