package com.tubeonfire.model.admin;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.logging.Logger;
import javax.cache.Cache;
import javax.cache.CacheException;
import javax.cache.CacheManager;
import com.googlecode.objectify.Key;
import com.googlecode.objectify.Objectify;
import com.googlecode.objectify.ObjectifyOpts;
import com.googlecode.objectify.ObjectifyService;
import com.googlecode.objectify.Query;
import com.tubeonfire.entity.Page;
public class PageModel {
private static final Logger log = Logger.getLogger(PageModel.class
.getName());
private static Objectify ofy;
private static Cache cache = null;
private static boolean isRegisted = false;
private static ObjectifyOpts opts = null;
private static String cachePrefix = "PageModel_";
private List<Page> listResult = new ArrayList<Page>();
public List<Page> getListResult() {
return listResult;
}
public void setListResult(List<Page> listResult) {
this.listResult = listResult;
}
public static void init() {
if (!isRegisted) {
isRegisted = true;
try {
ObjectifyService.register(Page.class);
} catch (Exception e) {
isRegisted = false;
}
try {
cache = CacheManager.getInstance().getCacheFactory()
.createCache(Collections.emptyMap());
} catch (CacheException e) {
isRegisted = false;
}
opts = new ObjectifyOpts().setSessionCache(true);
}
ofy = ObjectifyService.begin(opts);
}
public PageModel() {
init();
}
@SuppressWarnings("unchecked")
public static void insert(Page obj) {
init();
if (cache != null) {
String prefix = cachePrefix + "id_" + obj.getId();
cache.put(prefix, obj);
}
ofy.put(obj);
}
public static void delete(Page obj) {
init();
String prefix = cachePrefix + "id_" + obj.getId();
if (cache != null && cache.containsKey(prefix)) {
cache.remove(prefix);
}
ofy.delete(obj);
}
@SuppressWarnings("unchecked")
public static Page getById(String id) {
try {
init();
Page obj = new Page();
String prefix = cachePrefix + "id_" + id;
if (cache != null && cache.containsKey(prefix)) {
obj = (Page) cache.get(prefix);
} else {
try {
obj = ofy.get(new Key<Page>(Page.class, id));
cache.put(prefix, obj);
} catch (Exception e) {
obj = null;
}
}
return obj;
} catch (Exception e) {
log.warning(e.toString());
e.printStackTrace();
return null;
}
}
public void prepareList() {
try {
listResult = new ArrayList<Page>();
Query<Page> q = ofy.query(Page.class).order("-updated");
for (Page obj : q) {
listResult.add(obj);
}
} catch (Exception e) {
log.warning(e.toString());
e.printStackTrace();
listResult = new ArrayList<Page>();
}
}
}