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using hibernate to fetch entries now, able to fetch entries in one go

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Jeremie Panzer
2013-03-26 16:02:26 +01:00
parent 654cee9a1f
commit 0d3a93cdf0
9 changed files with 159 additions and 81 deletions
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86
src/main/java/com/commafeed/backend/dao/FeedEntryService.java
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@@ -6,6 +6,7 @@ import java.util.List;
import javax.ejb.Stateless;
import javax.inject.Inject;
import javax.persistence.Query;
import javax.persistence.TypedQuery;
import org.apache.commons.lang.StringUtils;
@@ -13,7 +14,9 @@ import org.apache.commons.lang.StringUtils;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedCategory;
import com.commafeed.backend.model.FeedEntry;
import com.commafeed.backend.model.FeedEntryStatus;
import com.commafeed.backend.model.User;
import com.commafeed.backend.model.extended.FeedEntryWithStatus;
import com.commafeed.frontend.utils.ModelFactory.MF;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
@@ -62,47 +65,48 @@ public class FeedEntryService extends GenericDAO<FeedEntry, Long> {
return query.getResultList();
}
public List<FeedEntry> getEntries(Feed feed, User user, boolean read) {
return getEntries(feed, user, read, -1, -1);
public List<FeedEntryWithStatus> getEntries(Feed feed, User user,
boolean unreadOnly) {
return getEntries(feed, user, unreadOnly, -1, -1);
}
public List<FeedEntry> getEntries(Feed feed, User user, boolean read,
int offset, int limit) {
public List<FeedEntryWithStatus> getEntries(Feed feed, User user,
boolean unreadOnly, int offset, int limit) {
String queryName = null;
if (read) {
queryName = "Entry.readByFeed";
} else {
if (unreadOnly) {
queryName = "Entry.unreadByFeed";
}
TypedQuery<FeedEntry> query = em.createNamedQuery(queryName,
FeedEntry.class);
query.setParameter("feed", feed);
query.setParameter("user", user);
if (offset > -1) {
query.setFirstResult(offset);
}
if (limit > -1) {
query.setMaxResults(limit);
}
return query.getResultList();
}
public List<FeedEntry> getEntries(List<FeedCategory> categories, User user,
boolean read) {
return getEntries(categories, user, read, -1, -1);
}
public List<FeedEntry> getEntries(List<FeedCategory> categories, User user,
boolean read, int offset, int limit) {
String queryName = null;
if (read) {
queryName = "Entry.readByCategories";
} else {
queryName = "Entry.unreadByCategories";
queryName = "Entry.allByFeed";
}
TypedQuery<FeedEntry> query = em.createNamedQuery(queryName,
FeedEntry.class);
Query query = em.createNamedQuery(queryName);
query.setParameter("feed", feed);
query.setParameter("userId", user.getId());
if (offset > -1) {
query.setFirstResult(offset);
}
if (limit > -1) {
query.setMaxResults(limit);
}
return buildList(query.getResultList());
}
public List<FeedEntryWithStatus> getEntries(List<FeedCategory> categories, User user,
boolean unreadOnly) {
return getEntries(categories, user, unreadOnly, -1, -1);
}
public List<FeedEntryWithStatus> getEntries(List<FeedCategory> categories, User user,
boolean unreadOnly, int offset, int limit) {
String queryName = null;
if (unreadOnly) {
queryName = "Entry.unreadByCategories";
} else {
queryName = "Entry.allByCategories";
}
Query query = em.createNamedQuery(queryName);
query.setParameter("categories", categories);
query.setParameter("userId", user.getId());
query.setParameter("user", user);
if (offset > -1) {
query.setFirstResult(offset);
@@ -110,6 +114,18 @@ public class FeedEntryService extends GenericDAO<FeedEntry, Long> {
if (limit > -1) {
query.setMaxResults(limit);
}
return query.getResultList();
return buildList(query.getResultList());
}
@SuppressWarnings("rawtypes")
private List<FeedEntryWithStatus> buildList(List list){
List<FeedEntryWithStatus> result = Lists.newArrayList();
for (Object object :list) {
Object[] array = (Object[]) object;
FeedEntry entry = (FeedEntry) array[0];
FeedEntryStatus status = (FeedEntryStatus) array[1];
result.add(new FeedEntryWithStatus(entry, status));
}
return result;
}
}