@SuppressWarnings("unchecked")
private void initMorphia_() {
Properties c = Play.configuration;
String dbName = c.getProperty(PREFIX + "name");
if (null == dbName) {
warn("mongodb name not configured! using [test] db");
dbName = "test";
}
DB db = mongo_.getDB(dbName);
if (c.containsKey(PREFIX + "username") && c.containsKey(PREFIX + "password")) {
String username = c.getProperty(PREFIX + "username");
String password = c.getProperty(PREFIX + "password");
if (!db.isAuthenticated() && !db.authenticate(username, password.toCharArray())) {
throw new RuntimeException("MongoDB authentication failed: " + dbName);
}
}
String loggerClass = c.getProperty("morphia.logger");
Class<? extends LogrFactory> loggerClazz = SilentLogrFactory.class;
if (null != loggerClass) {
final Pattern P_PLAY = Pattern.compile("(play|enable|true|yes|on)", Pattern.CASE_INSENSITIVE);
final Pattern P_SILENT =
Pattern.compile("(silent|disable|false|no|off)", Pattern.CASE_INSENSITIVE);
if (P_PLAY.matcher(loggerClass).matches()) {
loggerClazz = PlayLogrFactory.class;
} else if (!P_SILENT.matcher(loggerClass).matches()) {
try {
loggerClazz = (Class<? extends LogrFactory>) Class.forName(loggerClass);
} catch (Exception e) {
warn(
"Cannot init morphia logger factory using %s. Use PlayLogrFactory instead",
loggerClass);
}
}
}
loggerRegistered_ = false;
MorphiaLoggerFactory.reset();
MorphiaLoggerFactory.registerLogger(loggerClazz);
morphia_ = new Morphia();
loggerRegistered_ = true;
ds_ = morphia_.createDatastore(mongo_, dbName);
dataStores_.put(dbName, ds_);
String uploadCollection = c.getProperty("morphia.collection.upload", "uploads");
if (getBooleanProperty("gridfs.enabled")) {
gridfs = new GridFS(MorphiaPlugin.ds().getDB(), uploadCollection);
}
morphia_
.getMapper()
.addInterceptor(
new AbstractEntityInterceptor() {
@Override
public void preLoad(Object ent, DBObject dbObj, Mapper mapr) {
if (ent instanceof Model) {
PlayPlugin.postEvent(MorphiaEvent.ON_LOAD.getId(), ent);
((Model) ent)._h_OnLoad();
}
}
@Override
public void postLoad(Object ent, DBObject dbObj, Mapper mapr) {
if (ent instanceof Model) {
Model m = (Model) ent;
PlayPlugin.postEvent(MorphiaEvent.LOADED.getId(), ent);
m._h_Loaded();
}
}
});
}
static {
MorphiaLoggerFactory.reset();
MorphiaLoggerFactory.registerLogger(SLF4JLogrImplFactory.class);
}
/**
* A generic (type-safe) wrapper around mongodb collections
*
* @author Scott Hernandez
*/
@SuppressWarnings({"unchecked", "deprecation"})
public class DatastoreImpl implements Datastore, AdvancedDatastore {
private static final Logr log = MorphiaLoggerFactory.get(DatastoreImpl.class);
// final protected Morphia morphia;
protected final Mapper mapr;
protected final Mongo mongo;
protected final DB db;
protected WriteConcern defConcern = WriteConcern.SAFE;
public DatastoreImpl() {
// added by franck for WLED
mongo = null;
mapr = null;
db = null;
}
public DatastoreImpl(Morphia morphia, Mongo mongo) {
this(morphia, mongo, null);
}
public DatastoreImpl(
Morphia morphia, Mongo mongo, String dbName, String username, char[] password) {
// this.morphia = morphia;
this.mapr = morphia.getMapper();
this.mongo = mongo;
this.db = mongo.getDB(dbName);
if (username != null)
if (!this.db.authenticate(username, password))
throw new AuthenticationException(
"User '"
+ username
+ "' cannot be authenticated with the given password for database '"
+ dbName
+ "'");
// VERY discussable
DatastoreHolder.getInstance().set(this);
}
public DatastoreImpl(Morphia morphia, Mongo mongo, String dbName) {
this(morphia, mongo, dbName, null, null);
}
public <T, V> DBRef createRef(Class<T> clazz, V id) {
if (id == null) throw new MappingException("Could not get id for " + clazz.getName());
return new DBRef(getDB(), getCollection(clazz).getName(), id);
}
public <T> DBRef createRef(T entity) {
entity = ProxyHelper.unwrap(entity);
Object id = getId(entity);
if (id == null)
throw new MappingException("Could not get id for " + entity.getClass().getName());
return createRef(entity.getClass(), id);
}
@Deprecated
protected Object getId(Object entity) {
return mapr.getId(entity);
}
@Deprecated // use mapper instead.
public <T> Key<T> getKey(T entity) {
return mapr.getKey(entity);
}
protected <T, V> WriteResult delete(DBCollection dbColl, V id, WriteConcern wc) {
WriteResult wr;
if (wc == null) wr = dbColl.remove(BasicDBObjectBuilder.start().add(Mapper.ID_KEY, id).get());
else wr = dbColl.remove(BasicDBObjectBuilder.start().add(Mapper.ID_KEY, id).get(), wc);
throwOnError(wc, wr);
return wr;
}
public <T> WriteResult delete(String kind, T id) {
DBCollection dbColl = getCollection(kind);
return delete(dbColl, id, defConcern);
}
public <T, V> WriteResult delete(Class<T> clazz, V id, WriteConcern wc) {
DBCollection dbColl = getCollection(clazz);
return delete(dbColl, id, wc);
}
public <T, V> WriteResult delete(Class<T> clazz, V id) {
return delete(clazz, id, getWriteConcern(clazz));
}
public <T, V> WriteResult delete(Class<T> clazz, Iterable<V> ids) {
Query<T> q = find(clazz).disableValidation().filter(Mapper.ID_KEY + " in", ids);
return delete(q);
}
public <T> WriteResult delete(T entity) {
return delete(entity, getWriteConcern(entity));
}
public <T> WriteResult delete(T entity, WriteConcern wc) {
entity = ProxyHelper.unwrap(entity);
if (entity instanceof Class<?>)
throw new MappingException(
"Did you mean to delete all documents? -- delete(ds.createQuery(???.class))");
try {
Object id = getId(entity);
return delete(entity.getClass(), id, wc);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public <T> WriteResult delete(Query<T> query) {
return delete(query, getWriteConcern(query.getEntityClass()));
}
public <T> WriteResult delete(Query<T> query, WriteConcern wc) {
QueryImpl<T> q = (QueryImpl<T>) query;
DBCollection dbColl = q.getCollection();
// TODO remove this after testing.
if (dbColl == null) dbColl = getCollection(q.getEntityClass());
WriteResult wr;
if (q.getSortObject() != null || q.getOffset() != 0 || q.getLimit() > 0)
throw new QueryException("Delete does not allow sort/offset/limit query options.");
if (q.getQueryObject() != null)
if (wc == null) wr = dbColl.remove(q.getQueryObject());
else wr = dbColl.remove(q.getQueryObject(), wc);
else if (wc == null) wr = dbColl.remove(new BasicDBObject());
else wr = dbColl.remove(new BasicDBObject(), wc);
throwOnError(wc, wr);
return wr;
}
public <T> void ensureIndex(Class<T> type, String fields) {
ensureIndex(type, null, fields, false, false);
}
public <T> void ensureIndex(
Class<T> clazz, String name, IndexFieldDef[] defs, boolean unique, boolean dropDupsOnCreate) {
ensureIndex(clazz, name, defs, unique, dropDupsOnCreate, false);
}
public <T> void ensureIndex(
Class<T> clazz, String name, String fields, boolean unique, boolean dropDupsOnCreate) {
ensureIndex(
clazz, name, QueryImpl.parseSortString(fields), unique, dropDupsOnCreate, false, false);
}
public <T> void ensureIndex(
Class<T> clazz,
String name,
String fields,
boolean unique,
boolean dropDupsOnCreate,
boolean background) {
ensureIndex(
clazz,
name,
QueryImpl.parseSortString(fields),
unique,
dropDupsOnCreate,
background,
false);
}
protected <T> void ensureIndex(
Class<T> clazz,
String name,
BasicDBObject fields,
boolean unique,
boolean dropDupsOnCreate,
boolean background,
boolean sparse) {
// validate field names and translate them to the stored values
BasicDBObject keys = new BasicDBObject();
for (Entry<String, Object> entry : fields.entrySet()) {
StringBuffer sb = new StringBuffer(entry.getKey());
Mapper.validate(clazz, mapr, sb, FilterOperator.IN, "", true, false);
keys.put(sb.toString(), entry.getValue());
}
BasicDBObjectBuilder keyOpts = new BasicDBObjectBuilder();
if (name != null && name.length() > 0) {
keyOpts.add("name", name);
}
if (unique) {
keyOpts.add("unique", true);
if (dropDupsOnCreate) keyOpts.add("dropDups", true);
}
if (background) keyOpts.add("background", true);
if (sparse) keyOpts.add("sparse", true);
DBCollection dbColl = getCollection(clazz);
BasicDBObject opts = (BasicDBObject) keyOpts.get();
if (opts.isEmpty()) {
log.debug("Ensuring index for " + dbColl.getName() + " with keys:" + keys);
dbColl.ensureIndex(keys);
} else {
log.debug(
"Ensuring index for " + dbColl.getName() + " with keys:" + keys + " and opts:" + opts);
dbColl.ensureIndex(keys, opts);
}
// TODO: remove this once using 2.4 driver does this in ensureIndex
CommandResult cr = dbColl.getDB().getLastError();
cr.throwOnError();
}
@SuppressWarnings({"rawtypes"})
public void ensureIndex(
Class clazz,
String name,
IndexFieldDef[] defs,
boolean unique,
boolean dropDupsOnCreate,
boolean background) {
BasicDBObjectBuilder keys = BasicDBObjectBuilder.start();
for (IndexFieldDef def : defs) {
String fieldName = def.getField();
IndexDirection dir = def.getDirection();
keys.add(fieldName, dir.toIndexValue());
}
ensureIndex(
clazz, name, (BasicDBObject) keys.get(), unique, dropDupsOnCreate, background, false);
}
public <T> void ensureIndex(Class<T> type, String name, IndexDirection dir) {
ensureIndex(type, new IndexFieldDef(name, dir));
}
public <T> void ensureIndex(Class<T> type, IndexFieldDef... fields) {
ensureIndex(type, null, fields, false, false);
}
public <T> void ensureIndex(Class<T> type, boolean background, IndexFieldDef... fields) {
ensureIndex(type, null, fields, false, false, background);
}
protected void ensureIndexes(MappedClass mc, boolean background) {
ensureIndexes(mc, background, new ArrayList<MappedClass>(), new ArrayList<MappedField>());
}
protected void ensureIndexes(
MappedClass mc,
boolean background,
ArrayList<MappedClass> parentMCs,
ArrayList<MappedField> parentMFs) {
if (parentMCs.contains(mc)) return;
// skip embedded types
if (mc.getEmbeddedAnnotation() != null && (parentMCs == null || parentMCs.isEmpty())) return;
// Ensure indexes from class annotation
Indexes idxs = (Indexes) mc.getAnnotation(Indexes.class);
if (idxs != null && idxs.value() != null && idxs.value().length > 0)
for (Index index : idxs.value()) {
BasicDBObject fields = QueryImpl.parseSortString(index.value());
ensureIndex(
mc.getClazz(),
index.name(),
fields,
index.unique(),
index.dropDups(),
index.background() ? index.background() : background,
index.sparse() ? index.sparse() : false);
}
// Ensure indexes from field annotations, and embedded entities
for (MappedField mf : mc.getPersistenceFields()) {
if (mf.hasAnnotation(Indexed.class)) {
Indexed index = mf.getAnnotation(Indexed.class);
StringBuilder field = new StringBuilder();
Class<?> indexedClass = (parentMCs.isEmpty() ? mc : parentMCs.get(0)).getClazz();
if (!parentMCs.isEmpty())
for (MappedField pmf : parentMFs) field.append(pmf.getNameToStore()).append(".");
field.append(mf.getNameToStore());
ensureIndex(
indexedClass,
index.name(),
new BasicDBObject(field.toString(), index.value().toIndexValue()),
index.unique(),
index.dropDups(),
index.background() ? index.background() : background,
index.sparse() ? index.sparse() : false);
}
if (!mf.isTypeMongoCompatible()
&& !mf.hasAnnotation(Reference.class)
&& !mf.hasAnnotation(Serialized.class)) {
ArrayList<MappedClass> newParentClasses = (ArrayList<MappedClass>) parentMCs.clone();
ArrayList<MappedField> newParents = (ArrayList<MappedField>) parentMFs.clone();
newParentClasses.add(mc);
newParents.add(mf);
ensureIndexes(
mapr.getMappedClass(mf.isSingleValue() ? mf.getType() : mf.getSubClass()),
background,
newParentClasses,
newParents);
}
}
}
public <T> void ensureIndexes(Class<T> clazz) {
ensureIndexes(clazz, false);
}
public <T> void ensureIndexes(Class<T> clazz, boolean background) {
MappedClass mc = mapr.getMappedClass(clazz);
ensureIndexes(mc, background);
}
public void ensureIndexes() {
ensureIndexes(false);
}
public void ensureIndexes(boolean background) {
// loops over mappedClasses and call ensureIndex for each @Entity object
// (for now)
for (MappedClass mc : mapr.getMappedClasses()) {
ensureIndexes(mc, background);
}
}
public void ensureCaps() {
for (MappedClass mc : mapr.getMappedClasses())
if (mc.getEntityAnnotation() != null && mc.getEntityAnnotation().cap().value() > 0) {
CappedAt cap = mc.getEntityAnnotation().cap();
String collName = mapr.getCollectionName(mc.getClazz());
BasicDBObjectBuilder dbCapOpts = BasicDBObjectBuilder.start("capped", true);
if (cap.value() > 0) dbCapOpts.add("size", cap.value());
if (cap.count() > 0) dbCapOpts.add("max", cap.count());
DB db = getDB();
if (db.getCollectionNames().contains(collName)) {
DBObject dbResult = db.command(BasicDBObjectBuilder.start("collstats", collName).get());
if (dbResult.containsField("capped")) {
// TODO: check the cap options.
log.warning("DBCollection already exists is cap'd already; doing nothing. " + dbResult);
} else {
log.warning(
"DBCollection already exists with same name("
+ collName
+ ") and is not cap'd; not creating cap'd version!");
}
} else {
getDB().createCollection(collName, dbCapOpts.get());
log.debug("Created cap'd DBCollection (" + collName + ") with opts " + dbCapOpts);
}
}
}
public <T> Query<T> createQuery(Class<T> clazz) {
return new QueryImpl<T>(clazz, getCollection(clazz), this);
}
public <T> Query<T> createQuery(Class<T> kind, DBObject q) {
return new QueryImpl<T>(kind, getCollection(kind), this, q);
}
public <T> Query<T> createQuery(String kind, Class<T> clazz, DBObject q) {
return new QueryImpl<T>(clazz, db.getCollection(kind), this, q);
}
public <T> Query<T> createQuery(String kind, Class<T> clazz) {
return new QueryImpl<T>(clazz, db.getCollection(kind), this);
}
public <T> Query<T> find(String kind, Class<T> clazz) {
return new QueryImpl<T>(clazz, getCollection(kind), this);
}
public <T> Query<T> find(Class<T> clazz) {
return createQuery(clazz);
}
public <T, V> Query<T> find(Class<T> clazz, String property, V value) {
Query<T> query = createQuery(clazz);
return query.filter(property, value);
}
public <T, V> Query<T> find(
String kind, Class<T> clazz, String property, V value, int offset, int size) {
Query<T> query = find(kind, clazz);
query.offset(offset);
query.limit(size);
return query.filter(property, value);
}
public <T, V> Query<T> find(Class<T> clazz, String property, V value, int offset, int size) {
Query<T> query = createQuery(clazz);
query.offset(offset);
query.limit(size);
return query.filter(property, value);
}
public <T> T get(Class<T> clazz, DBRef ref) {
return (T) mapr.fromDBObject(clazz, ref.fetch(), createCache());
}
public <T, V> Query<T> get(Class<T> clazz, Iterable<V> ids) {
return find(clazz).disableValidation().filter(Mapper.ID_KEY + " in", ids);
}
/** Queries the server to check for each DBRef */
public <T> List<Key<T>> getKeysByRefs(List<DBRef> refs) {
ArrayList<Key<T>> tempKeys = new ArrayList<Key<T>>(refs.size());
Map<String, List<DBRef>> kindMap = new HashMap<String, List<DBRef>>();
for (DBRef ref : refs) {
if (kindMap.containsKey(ref.getRef())) kindMap.get(ref.getRef()).add(ref);
else kindMap.put(ref.getRef(), new ArrayList<DBRef>(Collections.singletonList((DBRef) ref)));
}
for (String kind : kindMap.keySet()) {
List<Object> objIds = new ArrayList<Object>();
List<DBRef> kindRefs = kindMap.get(kind);
for (DBRef key : kindRefs) {
objIds.add(key.getId());
}
List<Key<T>> kindResults =
this.<T>find(kind, null).disableValidation().filter("_id in", objIds).asKeyList();
tempKeys.addAll(kindResults);
}
// put them back in order, minus the missing ones.
ArrayList<Key<T>> keys = new ArrayList<Key<T>>(refs.size());
for (DBRef ref : refs) {
Key<T> testKey = mapr.refToKey(ref);
if (tempKeys.contains(testKey)) keys.add(testKey);
}
return keys;
}
public <T> List<T> getByKeys(Iterable<Key<T>> keys) {
return this.getByKeys((Class<T>) null, keys);
}
@SuppressWarnings("rawtypes")
public <T> List<T> getByKeys(Class<T> clazz, Iterable<Key<T>> keys) {
Map<String, List<Key>> kindMap = new HashMap<String, List<Key>>();
List<T> entities = new ArrayList<T>();
// String clazzKind = (clazz==null) ? null :
// getMapper().getCollectionName(clazz);
for (Key<?> key : keys) {
mapr.updateKind(key);
// if (clazzKind != null && !key.getKind().equals(clazzKind))
// throw new IllegalArgumentException("Types are not equal (" +
// clazz + "!=" + key.getKindClass() +
// ") for key and method parameter clazz");
//
if (kindMap.containsKey(key.getKind())) kindMap.get(key.getKind()).add(key);
else kindMap.put(key.getKind(), new ArrayList<Key>(Collections.singletonList((Key) key)));
}
for (String kind : kindMap.keySet()) {
List<Object> objIds = new ArrayList<Object>();
List<Key> kindKeys = kindMap.get(kind);
for (Key key : kindKeys) {
objIds.add(key.getId());
}
List kindResults = find(kind, null).disableValidation().filter("_id in", objIds).asList();
entities.addAll(kindResults);
}
// TODO: order them based on the incoming Keys.
return entities;
}
public <T, V> T get(String kind, Class<T> clazz, V id) {
List<T> results = find(kind, clazz, Mapper.ID_KEY, id, 0, 1).asList();
if (results == null || results.size() == 0) return null;
return results.get(0);
}
public <T, V> T get(Class<T> clazz, V id) {
return find(getCollection(clazz).getName(), clazz, Mapper.ID_KEY, id, 0, 1).get();
}
public <T> T getByKey(Class<T> clazz, Key<T> key) {
String kind = mapr.getCollectionName(clazz);
String keyKind = mapr.updateKind(key);
if (!kind.equals(keyKind))
throw new RuntimeException(
"collection names don't match for key and class: " + kind + " != " + keyKind);
return get(clazz, key.getId());
}
public <T> T get(T entity) {
entity = ProxyHelper.unwrap(entity);
Object id = getId(entity);
if (id == null)
throw new MappingException("Could not get id for " + entity.getClass().getName());
return (T) get(entity.getClass(), id);
}
public Key<?> exists(Object entityOrKey) {
entityOrKey = ProxyHelper.unwrap(entityOrKey);
Key<?> key = getKey(entityOrKey);
Object id = key.getId();
if (id == null)
throw new MappingException("Could not get id for " + entityOrKey.getClass().getName());
String collName = key.getKind();
if (collName == null) collName = getCollection(key.getKindClass()).getName();
return find(collName, key.getKindClass()).filter(Mapper.ID_KEY, key.getId()).getKey();
}
@SuppressWarnings("rawtypes")
public DBCollection getCollection(Class clazz) {
String collName = mapr.getCollectionName(clazz);
DBCollection dbC = getDB().getCollection(collName);
return dbC;
}
public DBCollection getCollection(Object obj) {
if (obj == null) return null;
return getCollection(obj.getClass());
}
protected DBCollection getCollection(String kind) {
if (kind == null) return null;
return getDB().getCollection(kind);
}
public <T> long getCount(T entity) {
entity = ProxyHelper.unwrap(entity);
return getCollection(entity).getCount();
}
public <T> long getCount(Class<T> clazz) {
return getCollection(clazz).getCount();
}
public long getCount(String kind) {
return getCollection(kind).getCount();
}
public <T> long getCount(Query<T> query) {
return query.countAll();
}
public Mongo getMongo() {
return this.mongo;
}
public DB getDB() {
return db;
}
public Mapper getMapper() {
return mapr;
}
public <T> Iterable<Key<T>> insert(Iterable<T> entities) {
// TODO: try not to create two iterators...
Object first = entities.iterator().next();
return insert(entities, getWriteConcern(first));
}
public <T> Iterable<Key<T>> insert(Iterable<T> entities, WriteConcern wc) {
ArrayList<DBObject> ents =
entities instanceof List
? new ArrayList<DBObject>(((List<T>) entities).size())
: new ArrayList<DBObject>();
Map<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
T lastEntity = null;
for (T ent : entities) {
ents.add(entityToDBObj(ent, involvedObjects));
lastEntity = ent;
}
DBCollection dbColl = getCollection(lastEntity);
WriteResult wr = null;
DBObject[] dbObjs = new DBObject[ents.size()];
dbColl.insert(ents.toArray(dbObjs), wc);
throwOnError(wc, wr);
ArrayList<Key<T>> savedKeys = new ArrayList<Key<T>>();
Iterator<T> entitiesIT = entities.iterator();
Iterator<DBObject> dbObjsIT = ents.iterator();
while (entitiesIT.hasNext()) {
T entity = entitiesIT.next();
DBObject dbObj = dbObjsIT.next();
savedKeys.add(postSaveGetKey(entity, dbObj, dbColl, involvedObjects));
}
return savedKeys;
}
public <T> Iterable<Key<T>> insert(T... entities) {
return insert(Arrays.asList(entities), getWriteConcern(entities[0]));
}
public <T> Key<T> insert(T entity) {
return insert(entity, getWriteConcern(entity));
}
public <T> Key<T> insert(T entity, WriteConcern wc) {
entity = ProxyHelper.unwrap(entity);
DBCollection dbColl = getCollection(entity);
return insert(dbColl, entity, wc);
}
public <T> Key<T> insert(String kind, T entity) {
entity = ProxyHelper.unwrap(entity);
DBCollection dbColl = getCollection(kind);
return insert(dbColl, entity, getWriteConcern(entity));
}
public <T> Key<T> insert(String kind, T entity, WriteConcern wc) {
entity = ProxyHelper.unwrap(entity);
DBCollection dbColl = getCollection(kind);
return insert(dbColl, entity, wc);
}
protected <T> Key<T> insert(DBCollection dbColl, T entity, WriteConcern wc) {
LinkedHashMap<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
DBObject dbObj = entityToDBObj(entity, involvedObjects);
WriteResult wr;
if (wc == null) wr = dbColl.insert(dbObj);
else wr = dbColl.insert(dbObj, wc);
throwOnError(wc, wr);
return postSaveGetKey(entity, dbObj, dbColl, involvedObjects);
}
protected DBObject entityToDBObj(Object entity, Map<Object, DBObject> involvedObjects) {
entity = ProxyHelper.unwrap(entity);
DBObject dbObj = mapr.toDBObject(entity, involvedObjects);
return dbObj;
}
/** call postSaveOperations and returns Key for entity */
protected <T> Key<T> postSaveGetKey(
T entity, DBObject dbObj, DBCollection dbColl, Map<Object, DBObject> involvedObjects) {
if (dbObj.get(Mapper.ID_KEY) == null) throw new MappingException("Missing _id after save!");
postSaveOperations(entity, dbObj, involvedObjects);
Key<T> key = new Key<T>(dbColl.getName(), getId(entity));
key.setKindClass((Class<? extends T>) entity.getClass());
return key;
}
public <T> Iterable<Key<T>> save(Iterable<T> entities) {
Object first = null;
try {
first = entities.iterator().next();
} catch (Exception e) {
// do nothing
}
return save(entities, getWriteConcern(first));
}
public <T> Iterable<Key<T>> save(Iterable<T> entities, WriteConcern wc) {
ArrayList<Key<T>> savedKeys = new ArrayList<Key<T>>();
for (T ent : entities) savedKeys.add(save(ent, wc));
return savedKeys;
}
public <T> Iterable<Key<T>> save(T... entities) {
ArrayList<Key<T>> savedKeys = new ArrayList<Key<T>>();
for (T ent : entities) savedKeys.add(save(ent));
return savedKeys;
}
protected <T> Key<T> save(DBCollection dbColl, T entity, WriteConcern wc) {
MappedClass mc = mapr.getMappedClass(entity);
WriteResult wr = null;
// involvedObjects is used not only as a cache but also as a list of what needs to be called for
// life-cycle methods at the end.
LinkedHashMap<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
DBObject dbObj = entityToDBObj(entity, involvedObjects);
// try to do an update if there is a @Version field
wr = tryVersionedUpdate(dbColl, entity, dbObj, wc, db, mc);
if (wr == null)
if (wc == null) wr = dbColl.save(dbObj);
else wr = dbColl.save(dbObj, wc);
throwOnError(wc, wr);
return postSaveGetKey(entity, dbObj, dbColl, involvedObjects);
}
protected <T> WriteResult tryVersionedUpdate(
DBCollection dbColl, T entity, DBObject dbObj, WriteConcern wc, DB db, MappedClass mc) {
WriteResult wr = null;
if (mc.getFieldsAnnotatedWith(Version.class).isEmpty()) return wr;
MappedField mfVersion = mc.getFieldsAnnotatedWith(Version.class).get(0);
String versionKeyName = mfVersion.getNameToStore();
Long oldVersion = (Long) mfVersion.getFieldValue(entity);
long newVersion = VersionHelper.nextValue(oldVersion);
dbObj.put(versionKeyName, newVersion);
if (oldVersion != null && oldVersion > 0) {
Object idValue = dbObj.get(Mapper.ID_KEY);
UpdateResults<T> res =
update(
find((Class<T>) entity.getClass(), Mapper.ID_KEY, idValue)
.filter(versionKeyName, oldVersion),
dbObj,
false,
false,
wc);
wr = res.getWriteResult();
if (res.getUpdatedCount() != 1)
throw new ConcurrentModificationException(
"Entity of class "
+ entity.getClass().getName()
+ " (id='"
+ idValue
+ "',version='"
+ oldVersion
+ "') was concurrently updated.");
} else if (wc == null) wr = dbColl.save(dbObj);
else wr = dbColl.save(dbObj, wc);
// update the version.
mfVersion.setFieldValue(entity, newVersion);
return wr;
}
protected void throwOnError(WriteConcern wc, WriteResult wr) {
if (wc == null && wr.getLastConcern() == null) {
CommandResult cr = wr.getLastError();
if (cr != null && cr.getErrorMessage() != null && cr.getErrorMessage().length() > 0)
cr.throwOnError();
}
}
public <T> Key<T> save(String kind, T entity) {
entity = ProxyHelper.unwrap(entity);
DBCollection dbColl = getCollection(kind);
return save(dbColl, entity, getWriteConcern(entity));
}
public <T> Key<T> save(T entity) {
return save(entity, getWriteConcern(entity));
}
public <T> Key<T> save(T entity, WriteConcern wc) {
entity = ProxyHelper.unwrap(entity);
DBCollection dbColl = getCollection(entity);
return save(dbColl, entity, wc);
}
public <T> UpdateOperations<T> createUpdateOperations(Class<T> clazz) {
return new UpdateOpsImpl<T>(clazz, getMapper());
}
public <T> UpdateOperations<T> createUpdateOperations(Class<T> kind, DBObject ops) {
UpdateOpsImpl<T> upOps = (UpdateOpsImpl<T>) createUpdateOperations(kind);
upOps.setOps(ops);
return upOps;
}
public <T> UpdateResults<T> update(
Query<T> query, UpdateOperations<T> ops, boolean createIfMissing) {
return update(query, ops, createIfMissing, getWriteConcern(query.getEntityClass()));
}
public <T> UpdateResults<T> update(
Query<T> query, UpdateOperations<T> ops, boolean createIfMissing, WriteConcern wc) {
return update(query, ops, createIfMissing, false);
}
public <T> UpdateResults<T> update(T ent, UpdateOperations<T> ops) {
MappedClass mc = mapr.getMappedClass(ent);
Query<T> q = (Query<T>) createQuery(mc.getClazz());
q.disableValidation().filter(Mapper.ID_KEY, getId(ent));
if (mc.getFieldsAnnotatedWith(Version.class).size() > 0) {
MappedField versionMF = mc.getFieldsAnnotatedWith(Version.class).get(0);
Long oldVer = (Long) versionMF.getFieldValue(ent);
q.filter(versionMF.getNameToStore(), oldVer);
ops.set(versionMF.getNameToStore(), VersionHelper.nextValue(oldVer));
}
return update(q, ops);
}
public <T> UpdateResults<T> update(Key<T> key, UpdateOperations<T> ops) {
Class<T> clazz = (Class<T>) key.getKindClass();
if (clazz == null) clazz = (Class<T>) mapr.getClassFromKind(key.getKind());
return updateFirst(
createQuery(clazz).disableValidation().filter(Mapper.ID_KEY, key.getId()), ops);
}
public <T> UpdateResults<T> update(Query<T> query, UpdateOperations<T> ops) {
return update(query, ops, false, true);
}
public <T> UpdateResults<T> updateFirst(Query<T> query, UpdateOperations<T> ops) {
return update(query, ops, false, false);
}
public <T> UpdateResults<T> updateFirst(
Query<T> query, UpdateOperations<T> ops, boolean createIfMissing) {
return update(query, ops, createIfMissing, getWriteConcern(query.getEntityClass()));
}
public <T> UpdateResults<T> updateFirst(
Query<T> query, UpdateOperations<T> ops, boolean createIfMissing, WriteConcern wc) {
return update(query, ops, createIfMissing, false, wc);
}
public <T> UpdateResults<T> updateFirst(Query<T> query, T entity, boolean createIfMissing) {
LinkedHashMap<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
DBObject dbObj = mapr.toDBObject(entity, involvedObjects);
UpdateResults<T> res = update(query, dbObj, createIfMissing, false, getWriteConcern(entity));
// update _id field
CommandResult gle = res.getWriteResult().getCachedLastError();
if (gle != null && res.getInsertedCount() > 0) dbObj.put(Mapper.ID_KEY, res.getNewId());
postSaveOperations(entity, dbObj, involvedObjects);
return res;
}
public <T> Key<T> merge(T entity) {
return merge(entity, getWriteConcern(entity));
}
public <T> Key<T> merge(T entity, WriteConcern wc) {
LinkedHashMap<Object, DBObject> involvedObjects = new LinkedHashMap<Object, DBObject>();
DBObject dbObj = mapr.toDBObject(entity, involvedObjects);
Key<T> key = getKey(entity);
entity = ProxyHelper.unwrap(entity);
Object id = getId(entity);
if (id == null)
throw new MappingException("Could not get id for " + entity.getClass().getName());
Query<T> query = (Query<T>) createQuery(entity.getClass()).filter(Mapper.ID_KEY, id);
// remove (immutable) _id field for update.
dbObj.removeField(Mapper.ID_KEY);
UpdateResults<T> res = update(query, new BasicDBObject("$set", dbObj), false, false, wc);
// check for updated count if we have a gle
CommandResult gle = res.getWriteResult().getCachedLastError();
if (gle != null && res.getUpdatedCount() == 0) throw new UpdateException("Not updated: " + gle);
postSaveOperations(entity, dbObj, involvedObjects);
return key;
}
private <T> void postSaveOperations(
Object entity, DBObject dbObj, Map<Object, DBObject> involvedObjects) {
mapr.updateKeyInfo(entity, dbObj, createCache());
// call PostPersist on all involved entities (including the entity)
for (Map.Entry<Object, DBObject> e : involvedObjects.entrySet()) {
Object ent = e.getKey();
DBObject dbO = e.getValue();
MappedClass mc = mapr.getMappedClass(entity);
mc.callLifecycleMethods(PostPersist.class, ent, dbO, mapr);
}
}
@SuppressWarnings("rawtypes")
private <T> UpdateResults<T> update(
Query<T> query,
UpdateOperations ops,
boolean createIfMissing,
boolean multi,
WriteConcern wc) {
DBObject u = ((UpdateOpsImpl) ops).getOps();
if (((UpdateOpsImpl) ops).isIsolated()) {
Query<T> q = query.clone();
q.disableValidation().filter("$atomic", true);
return update(q, u, createIfMissing, multi, wc);
}
return update(query, u, createIfMissing, multi, wc);
}
@SuppressWarnings("rawtypes")
private <T> UpdateResults<T> update(
Query<T> query, UpdateOperations ops, boolean createIfMissing, boolean multi) {
return update(query, ops, createIfMissing, multi, getWriteConcern(query.getEntityClass()));
}
private <T> UpdateResults<T> update(
Query<T> query, DBObject u, boolean createIfMissing, boolean multi, WriteConcern wc) {
QueryImpl<T> qi = (QueryImpl<T>) query;
DBCollection dbColl = qi.getCollection();
// TODO remove this after testing.
if (dbColl == null) dbColl = getCollection(qi.getEntityClass());
if (qi.getSortObject() != null
&& qi.getSortObject().keySet() != null
&& !qi.getSortObject().keySet().isEmpty())
throw new QueryException("sorting is not allowed for updates.");
if (qi.getOffset() > 0) throw new QueryException("a query offset is not allowed for updates.");
if (qi.getLimit() > 0) throw new QueryException("a query limit is not allowed for updates.");
DBObject q = qi.getQueryObject();
if (q == null) q = new BasicDBObject();
if (log.isTraceEnabled())
log.trace(
"Executing update("
+ dbColl.getName()
+ ") for query: "
+ q
+ ", ops: "
+ u
+ ", multi: "
+ multi
+ ", upsert: "
+ createIfMissing);
WriteResult wr;
if (wc == null) wr = dbColl.update(q, u, createIfMissing, multi);
else wr = dbColl.update(q, u, createIfMissing, multi, wc);
throwOnError(wc, wr);
return new UpdateResults<T>(wr);
}
public <T> T findAndDelete(Query<T> query) {
DBCollection dbColl = ((QueryImpl<T>) query).getCollection();
// TODO remove this after testing.
if (dbColl == null) dbColl = getCollection(((QueryImpl<T>) query).getEntityClass());
QueryImpl<T> qi = ((QueryImpl<T>) query);
EntityCache cache = createCache();
if (log.isTraceEnabled())
log.trace("Executing findAndModify(" + dbColl.getName() + ") with delete ...");
DBObject result =
dbColl.findAndModify(
qi.getQueryObject(),
qi.getFieldsObject(),
qi.getSortObject(),
true,
null,
false,
false);
if (result != null) {
T entity = (T) mapr.fromDBObject(qi.getEntityClass(), result, cache);
return entity;
}
return null;
}
public <T> T findAndModify(Query<T> q, UpdateOperations<T> ops) {
return findAndModify(q, ops, false);
}
public <T> T findAndModify(Query<T> query, UpdateOperations<T> ops, boolean oldVersion) {
return findAndModify(query, ops, oldVersion, false);
}
public <T> T findAndModify(
Query<T> query, UpdateOperations<T> ops, boolean oldVersion, boolean createIfMissing) {
QueryImpl<T> qi = (QueryImpl<T>) query;
DBCollection dbColl = qi.getCollection();
// TODO remove this after testing.
if (dbColl == null) dbColl = getCollection(qi.getEntityClass());
if (log.isTraceEnabled())
log.info("Executing findAndModify(" + dbColl.getName() + ") with update ");
DBObject res =
dbColl.findAndModify(
qi.getQueryObject(),
qi.getFieldsObject(),
qi.getSortObject(),
false,
((UpdateOpsImpl<T>) ops).getOps(),
!oldVersion,
createIfMissing);
if (res == null) return null;
else return (T) mapr.fromDBObject(qi.getEntityClass(), res, createCache());
}
@SuppressWarnings("rawtypes")
public <T> MapreduceResults<T> mapReduce(
MapreduceType type,
Query query,
String map,
String reduce,
String finalize,
Map<String, Object> scopeFields,
Class<T> outputType) {
Assert.parametersNotNull("map", map);
Assert.parameterNotEmpty(map, "map");
Assert.parametersNotNull("reduce", reduce);
Assert.parameterNotEmpty(reduce, "reduce");
QueryImpl<T> qi = (QueryImpl<T>) query;
DBCollection dbColl = qi.getCollection();
// TODO remove this after testing.
if (dbColl == null) dbColl = getCollection(qi.getEntityClass());
if (log.isTraceEnabled())
log.info(
"Executing mapReduce("
+ dbColl.getName()
+ ") with query("
+ qi.toString()
+ ") map("
+ map
+ ") reduce("
+ reduce
+ ") finalize("
+ finalize
+ ") scope("
+ scopeFields
+ ")");
// TODO replace this with the 2.4 driver impl.
String outColl = mapr.getCollectionName(outputType);
BasicDBObjectBuilder bldr =
BasicDBObjectBuilder.start("mapreduce", mapr.getCollectionName(qi.getEntityClass()));
switch (type) {
case REDUCE:
bldr.push("out").add("reduce", outColl).pop();
break;
case MERGE:
bldr.push("out").add("merge", outColl).pop();
break;
case INLINE:
bldr.push("out").add("inline", 1).pop();
break;
default:
bldr.add("out", outColl);
break;
}
if (qi.getOffset() != 0 || qi.getFieldsObject() != null)
throw new QueryException(
"mapReduce does not allow the offset/retrievedFields query options.");
if (qi.getQueryObject() != null) bldr.add("query", qi.getQueryObject());
if (qi.getLimit() > 0) bldr.add("limit", qi.getLimit());
if (qi.getSortObject() != null) bldr.add("sort", qi.getSortObject());
bldr.add("map", map);
bldr.add("reduce", reduce);
if (finalize != null && finalize.length() > 0) bldr.add("finalize", finalize);
if (scopeFields != null && scopeFields.size() > 0)
bldr.add("scope", mapr.toMongoObject(null, null, scopeFields));
DBObject dbObj = bldr.get();
CommandResult cr = dbColl.getDB().command(dbObj);
cr.throwOnError();
MapreduceResults mrRes =
(MapreduceResults) mapr.fromDBObject(MapreduceResults.class, cr, createCache());
QueryImpl baseQ = null;
if (!MapreduceType.INLINE.equals(type))
baseQ = new QueryImpl(outputType, db.getCollection(mrRes.getOutputCollectionName()), this);
// TODO Handle inline case and create an iterator/able.
mrRes.setBits(type, baseQ);
return mrRes;
}
/** Converts a list of keys to refs */
public static <T> List<DBRef> keysAsRefs(List<Key<T>> keys, Mapper mapr) {
ArrayList<DBRef> refs = new ArrayList<DBRef>(keys.size());
for (Key<T> key : keys) refs.add(mapr.keyToRef(key));
return refs;
}
/** Converts a list of refs to keys */
public static <T> List<Key<T>> refsToKeys(Mapper mapr, List<DBRef> refs, Class<T> c) {
ArrayList<Key<T>> keys = new ArrayList<Key<T>>(refs.size());
for (DBRef ref : refs) {
keys.add((Key<T>) mapr.refToKey(ref));
}
return keys;
}
private EntityCache createCache() {
return mapr.createEntityCache();
}
/** Gets the write concern for entity or returns the default write concern for this datastore */
public WriteConcern getWriteConcern(Object clazzOrEntity) {
WriteConcern wc = defConcern;
if (clazzOrEntity != null) {
Entity entityAnn = getMapper().getMappedClass(clazzOrEntity).getEntityAnnotation();
if (entityAnn != null && !"".equals(entityAnn.concern()))
wc = WriteConcern.valueOf(entityAnn.concern());
}
return wc;
}
public WriteConcern getDefaultWriteConcern() {
return defConcern;
}
public void setDefaultWriteConcern(WriteConcern wc) {
defConcern = wc;
}
}
/** * Default encoders * * @author Uwe Schaefer, ([email protected]) * @author scotthernandez */ @SuppressWarnings({"unchecked", "rawtypes"}) public class DefaultConverters { private static final Logr log = MorphiaLoggerFactory.get(DefaultConverters.class); private List<TypeConverter> untypedTypeEncoders = new LinkedList<TypeConverter>(); private Map<Class, List<TypeConverter>> tcMap = new ConcurrentHashMap<Class, List<TypeConverter>>(); private List<Class<? extends TypeConverter>> registeredConverterClasses = new LinkedList<Class<? extends TypeConverter>>(); private Mapper mapr; public DefaultConverters() { // some converters are commented out since the pass-through converter is enabled, at the end of // the list. // Re-enable them if that changes. // addConverter(new PassthroughConverter(DBRef.class)); // Pass-through DBObject or else the MapOfValuesConverter will process it. addConverter(new PassthroughConverter(DBObject.class, BasicDBObject.class)); // Pass-through byte[] for the driver to handle addConverter(new PassthroughConverter(byte[].class)); addConverter(new EnumSetConverter()); addConverter(new EnumConverter()); addConverter(new StringConverter()); addConverter(new CharacterConverter()); addConverter(new ByteConverter()); addConverter(new BooleanConverter()); addConverter(new DoubleConverter()); addConverter(new FloatConverter()); addConverter(new LongConverter()); addConverter(new LocaleConverter()); addConverter(new ShortConverter()); addConverter(new IntegerConverter()); addConverter(new SerializedObjectConverter()); addConverter(new CharArrayConverter()); addConverter(new DateConverter()); addConverter(new KeyConverter()); addConverter(new MapOfValuesConverter(this)); addConverter(new IterableConverter(this)); addConverter(new ClassConverter()); addConverter(new ObjectIdConverter()); addConverter(new TimestampConverter()); // generic converter that will just pass things through. addConverter(new PassthroughConverter()); } /** * Add a type converter. If it is a duplicate for an existing type, it will override that type. * * @param tc */ public TypeConverter addConverter(TypeConverter tc) { if (tc.getSupportedTypes() != null) for (Class c : tc.getSupportedTypes()) addTypedConverter(c, tc); else untypedTypeEncoders.add(tc); tc.setMapper(mapr); registeredConverterClasses.add(tc.getClass()); return tc; } public TypeConverter addConverter(Class<? extends TypeConverter> clazz) { return addConverter((TypeConverter) this.mapr.getOptions().objectFactory.createInstance(clazz)); } /** * Removes the type converter. * * @param tc */ public void removeConverter(TypeConverter tc) { if (tc.getSupportedTypes() == null) untypedTypeEncoders.remove(tc); else for (List<TypeConverter> tcList : tcMap.values()) if (tcList.contains(tc)) tcList.remove(tc); registeredConverterClasses.remove(tc.getClass()); } public boolean isRegistered(Class<? extends TypeConverter> tcClass) { return registeredConverterClasses.contains(tcClass); } private void addTypedConverter(Class type, TypeConverter tc) { if (tcMap.containsKey(type)) { tcMap.get(type).add(0, tc); log.warning("Added duplicate converter for " + type + " ; " + tcMap.get(type)); } else { ArrayList<TypeConverter> vals = new ArrayList<TypeConverter>(); vals.add(tc); tcMap.put(type, vals); } } public void fromDBObject(final DBObject dbObj, final MappedField mf, final Object targetEntity) { Object object = mf.getDbObjectValue(dbObj); if (object == null) { processMissingField(mf); } else { TypeConverter enc = getEncoder(mf); Object decodedValue = enc.decode(mf.getType(), object, mf); try { mf.setFieldValue(targetEntity, decodedValue); } catch (IllegalArgumentException e) { throw new MappingException( "Error setting value from converter (" + enc.getClass().getSimpleName() + ") for " + mf.getFullName() + " to " + decodedValue); } } } protected void processMissingField(final MappedField mf) { // we ignore missing values. } private TypeConverter getEncoder(MappedField mf) { return getEncoder(null, mf); } private TypeConverter getEncoder(Object val, MappedField mf) { List<TypeConverter> tcs = null; if (val != null) tcs = tcMap.get(val.getClass()); if (tcs == null || (tcs.size() > 0 && tcs.get(0) instanceof PassthroughConverter)) tcs = tcMap.get(mf.getType()); if (tcs != null) { if (tcs.size() > 1) log.warning( "Duplicate converter for " + mf.getType() + ", returning first one from " + tcs); return tcs.get(0); } for (TypeConverter tc : untypedTypeEncoders) if (tc.canHandle(mf) || (val != null && tc.isSupported(val.getClass(), mf))) return tc; throw new ConverterNotFoundException( "Cannot find encoder for " + mf.getType() + " as need for " + mf.getFullName()); } private TypeConverter getEncoder(final Class c) { List<TypeConverter> tcs = tcMap.get(c); if (tcs != null) { if (tcs.size() > 1) log.warning("Duplicate converter for " + c + ", returning first one from " + tcs); return tcs.get(0); } for (TypeConverter tc : untypedTypeEncoders) if (tc.canHandle(c)) return tc; throw new ConverterNotFoundException("Cannot find encoder for " + c.getName()); } public void toDBObject( final Object containingObject, final MappedField mf, final DBObject dbObj, MapperOptions opts) { Object fieldValue = mf.getFieldValue(containingObject); TypeConverter enc = getEncoder(fieldValue, mf); Object encoded = enc.encode(fieldValue, mf); if (encoded != null || opts.storeNulls) { dbObj.put(mf.getNameToStore(), encoded); } } public Object decode(Class c, Object fromDBObject, MappedField mf) { if (c == null) c = fromDBObject.getClass(); return getEncoder(c).decode(c, fromDBObject, mf); } public Object decode(Class c, Object fromDBObject) { return decode(c, fromDBObject, null); } public Object encode(Object o) { return encode(o.getClass(), o); } public Object encode(Class c, Object o) { return getEncoder(c).encode(o); } public void setMapper(Mapper mapr) { this.mapr = mapr; for (List<TypeConverter> tcs : tcMap.values()) for (TypeConverter tc : tcs) tc.setMapper(mapr); for (TypeConverter tc : untypedTypeEncoders) tc.setMapper(mapr); } public boolean hasSimpleValueConverter(MappedField c) { TypeConverter conv = getEncoder(c); return (conv instanceof SimpleValueConverter); } public boolean hasSimpleValueConverter(Class c) { TypeConverter conv = getEncoder(c); return (conv instanceof SimpleValueConverter); } public boolean hasSimpleValueConverter(Object o) { if (o == null) return false; if (o instanceof Class) return hasSimpleValueConverter((Class) o); else if (o instanceof MappedField) return hasSimpleValueConverter((MappedField) o); else return hasSimpleValueConverter(o.getClass()); } public boolean hasDbObjectConverter(MappedField c) { TypeConverter conv = getEncoder(c); return conv != null && !(conv instanceof PassthroughConverter) && !(conv instanceof SimpleValueConverter); } public boolean hasDbObjectConverter(Class c) { TypeConverter conv = getEncoder(c); return conv != null && !(conv instanceof PassthroughConverter) && !(conv instanceof SimpleValueConverter); } }
