@Override
public List<T> asList(final FindOptions options) {
final List<T> results = new ArrayList<T>();
final MorphiaIterator<T, T> iter = fetch(options);
try {
for (final T ent : iter) {
results.add(ent);
}
} finally {
iter.close();
}
if (LOG.isTraceEnabled()) {
LOG.trace(
format(
"asList: %s \t %d entities, iterator time: driver %d ms, mapper %d ms %n\t cache: %s %n\t for %s",
dbColl.getName(),
results.size(),
iter.getDriverTime(),
iter.getMapperTime(),
cache.stats(),
getQueryObject()));
}
return results;
}
@Override
public MorphiaIterator<T, T> fetch(final FindOptions options) {
final DBCursor cursor = prepareCursor(options);
if (LOG.isTraceEnabled()) {
LOG.trace("Getting cursor(" + dbColl.getName() + ") for query:" + cursor.getQuery());
}
return new MorphiaIterator<T, T>(ds, cursor, ds.getMapper(), clazz, dbColl.getName(), cache);
}
@Override
@Deprecated
public long countAll() {
final DBObject query = getQueryObject();
if (LOG.isTraceEnabled()) {
LOG.trace("Executing count(" + dbColl.getName() + ") for query: " + query);
}
return dbColl.getCount(query);
}
private DBCursor prepareCursor(final FindOptions findOptions) {
final DBObject query = getQueryObject();
if (LOG.isTraceEnabled()) {
LOG.trace(
String.format(
"Running query(%s) : %s, options: %s,", dbColl.getName(), query, findOptions));
}
if (findOptions.isSnapshot()
&& (findOptions.getSortDBObject() != null || findOptions.hasHint())) {
LOG.warning("Snapshotted query should not have hint/sort.");
}
if (findOptions.getCursorType() != NonTailable && (findOptions.getSortDBObject() != null)) {
LOG.warning("Sorting on tail is not allowed.");
}
return dbColl
.find(
query,
findOptions.getOptions().copy().sort(getSortObject()).projection(getFieldsObject()))
.setDecoderFactory(ds.getDecoderFact());
}