package com.tubeonfire.model.admin;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.TreeMap;
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.Author;
public class AuthorModel {
private static final Logger log = Logger.getLogger(AuthorModel.class
.getName());
private static Objectify ofy;
private static Cache cache = null;
private static boolean isRegisted = false;
private static ObjectifyOpts opts = null;
private int limit = 12;
private int page = 1;
private int totalResult = 0;
private int totalPage = 1;
private static String cacheSide = "backEnd_";
private static String cachePrefix = "authorModel_";
private static TreeMap<String, String> mapCacheKey = new TreeMap<String, String>();
private List<Author> listResult = new ArrayList<Author>();
public int getTotalPage() {
totalPage = totalResult / limit;
if ((totalResult % limit) > 0) {
totalPage += 1;
}
return totalPage;
}
public void setTotalPage(int totalPage) {
this.totalPage = totalPage;
}
public int getLimit() {
return limit;
}
public void setLimit(int limit) {
this.limit = limit;
}
public int getPage() {
return page;
}
public void setPage(int page) {
this.page = page;
}
public int getTotalResult() {
return totalResult;
}
public void setTotalResult(int totalResult) {
this.totalResult = totalResult;
}
public List<Author> getListResult() {
return listResult;
}
public void setListResult(List<Author> listResult) {
this.listResult = listResult;
}
public static void init() {
if (!isRegisted) {
isRegisted = true;
try {
ObjectifyService.register(Author.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 AuthorModel() {
init();
}
@SuppressWarnings("unchecked")
public static void insert(Author obj) {
init();
if (cache != null) {
String prefix = cachePrefix + "id_" + obj.getUri();
cache.put(prefix, obj);
clearModelCache();
}
ofy.put(obj);
}
public static void delete(Author obj) {
init();
String prefix = cachePrefix + "id_" + obj.getUri();
if (cache != null && cache.containsKey(prefix)) {
cache.remove(prefix);
clearModelCache();
}
ofy.delete(obj);
}
@SuppressWarnings("unchecked")
public static Author getById(String id) {
try {
init();
Author obj = new Author();
String prefix = cachePrefix + "id_" + id;
if (cache != null && cache.containsKey(prefix)) {
obj = (Author) cache.get(prefix);
} else {
try {
obj = ofy.get(new Key<Author>(Author.class, id));
cache.put(prefix, obj);
} catch (Exception e) {
obj = null;
}
}
return obj;
} catch (Exception e) {
log.warning(e.toString());
e.printStackTrace();
return null;
}
}
@SuppressWarnings("unchecked")
public void prepareList() {
init();
listResult = new ArrayList<Author>();
String prefix = cachePrefix + "page_" + page + "_limit_" + limit;
if (cache != null && cache.containsKey(prefix)) {
listResult = (List<Author>) cache.get(prefix);
totalResult = (Integer) cache.get(cacheSide
+ "allAuthorTotalResult");
limit = (Integer) cache.get(cacheSide + "allPlaylistLimit");
} else {
int start = (page - 1) * limit;
Query<Author> q = ofy.query(Author.class).order("-indexDate");
totalResult = q.count();
q = q.limit(limit).offset(start);
for (Author obj : q) {
listResult.add(obj);
}
if (listResult.size() > 0) {
cache.put(prefix, listResult);
cache.put(cacheSide + "allPlaylistTotalResult", totalResult);
cache.put(cacheSide + "allPlaylistLimit", limit);
}
}
}
public static void clearModelCache() {
init();
try {
if (mapCacheKey != null && mapCacheKey.size() > 0) {
for (String key : mapCacheKey.keySet()) {
cache.remove(key);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
}