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());
}
private boolean compare(final FindOptions these, final FindOptions those) {
if (these == null && those != null || these != null && those == null) {
return false;
}
if (these == null) {
return true;
}
DBCollectionFindOptions dbOptions = these.getOptions();
DBCollectionFindOptions that = those.getOptions();
if (dbOptions.getBatchSize() != that.getBatchSize()) {
return false;
}
if (dbOptions.getLimit() != that.getLimit()) {
return false;
}
if (dbOptions.getMaxTime(MILLISECONDS) != that.getMaxTime(MILLISECONDS)) {
return false;
}
if (dbOptions.getMaxAwaitTime(MILLISECONDS) != that.getMaxAwaitTime(MILLISECONDS)) {
return false;
}
if (dbOptions.getSkip() != that.getSkip()) {
return false;
}
if (dbOptions.isNoCursorTimeout() != that.isNoCursorTimeout()) {
return false;
}
if (dbOptions.isOplogReplay() != that.isOplogReplay()) {
return false;
}
if (dbOptions.isPartial() != that.isPartial()) {
return false;
}
if (dbOptions.getModifiers() != null
? !dbOptions.getModifiers().equals(that.getModifiers())
: that.getModifiers() != null) {
return false;
}
if (dbOptions.getProjection() != null
? !dbOptions.getProjection().equals(that.getProjection())
: that.getProjection() != null) {
return false;
}
if (dbOptions.getSort() != null
? !dbOptions.getSort().equals(that.getSort())
: that.getSort() != null) {
return false;
}
if (dbOptions.getCursorType() != that.getCursorType()) {
return false;
}
if (dbOptions.getReadPreference() != null
? !dbOptions.getReadPreference().equals(that.getReadPreference())
: that.getReadPreference() != null) {
return false;
}
if (dbOptions.getReadConcern() != null
? !dbOptions.getReadConcern().equals(that.getReadConcern())
: that.getReadConcern() != null) {
return false;
}
return dbOptions.getCollation() != null
? dbOptions.getCollation().equals(that.getCollation())
: that.getCollation() == null;
}
