use of com.torodb.core.transaction.metainf.MetaCollection in project torodb by torodb.
the class SqlTorodTransaction method findByAttRefIn.
@Override
public TorodCursor findByAttRefIn(String dbName, String colName, AttributeReference attRef, Collection<KvValue<?>> values) {
MetaDatabase db = getInternalTransaction().getMetaSnapshot().getMetaDatabaseByName(dbName);
if (db == null) {
LOGGER.trace("Db with name " + dbName + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
MetaCollection col = db.getMetaCollectionByName(colName);
if (col == null) {
LOGGER.trace("Collection " + dbName + '.' + colName + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
if (values.isEmpty()) {
LOGGER.trace("An empty list of values have been given as in condition. An empty cursor is returned");
return new EmptyTorodCursor();
}
TableRef ref = extractTableRef(attRef);
String lastKey = extractKeyName(attRef.getKeys().get(attRef.getKeys().size() - 1));
MetaDocPart docPart = col.getMetaDocPartByTableRef(ref);
if (docPart == null) {
LOGGER.trace("DocPart " + dbName + '.' + colName + '.' + ref + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
Multimap<MetaField, KvValue<?>> valuesMap = ArrayListMultimap.create();
for (KvValue<?> value : values) {
MetaField field = docPart.getMetaFieldByNameAndType(lastKey, FieldType.from(value.getType()));
if (field != null) {
valuesMap.put(field, value);
}
}
return toToroCursor(getInternalTransaction().getBackendTransaction().findByFieldIn(db, col, docPart, valuesMap));
}
use of com.torodb.core.transaction.metainf.MetaCollection in project torodb by torodb.
the class SqlTorodTransaction method findAll.
@Override
public TorodCursor findAll(String dbName, String colName) {
MetaDatabase db = getInternalTransaction().getMetaSnapshot().getMetaDatabaseByName(dbName);
if (db == null) {
LOGGER.trace("Db with name " + dbName + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
MetaCollection col = db.getMetaCollectionByName(colName);
if (col == null) {
LOGGER.trace("Collection " + dbName + '.' + colName + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
return toToroCursor(getInternalTransaction().getBackendTransaction().findAll(db, col));
}
use of com.torodb.core.transaction.metainf.MetaCollection in project torodb by torodb.
the class SqlTorodTransaction method fetch.
@Override
public TorodCursor fetch(String dbName, String colName, Cursor<Integer> didCursor) {
MetaDatabase db = getInternalTransaction().getMetaSnapshot().getMetaDatabaseByName(dbName);
if (db == null) {
LOGGER.trace("Db with name " + dbName + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
MetaCollection col = db.getMetaCollectionByName(colName);
if (col == null) {
LOGGER.trace("Collection " + dbName + '.' + colName + " does not exist. An empty cursor is returned");
return new EmptyTorodCursor();
}
return toToroCursor(getInternalTransaction().getBackendTransaction().fetch(db, col, didCursor));
}
use of com.torodb.core.transaction.metainf.MetaCollection in project torodb by torodb.
the class SqlTorodTransaction method countAll.
@Override
public long countAll(String dbName, String colName) {
MetaDatabase db = getInternalTransaction().getMetaSnapshot().getMetaDatabaseByName(dbName);
if (db == null) {
return 0;
}
MetaCollection col = db.getMetaCollectionByName(colName);
if (col == null) {
return 0;
}
return getInternalTransaction().getBackendTransaction().countAll(db, col);
}
use of com.torodb.core.transaction.metainf.MetaCollection in project torodb by torodb.
the class SqlTorodTransaction method getCollectionSize.
@Override
public long getCollectionSize(String dbName, String colName) {
MetaDatabase db = getInternalTransaction().getMetaSnapshot().getMetaDatabaseByName(dbName);
if (db == null) {
return 0;
}
MetaCollection col = db.getMetaCollectionByName(colName);
if (col == null) {
return 0;
}
return getInternalTransaction().getBackendTransaction().getCollectionSize(db, col);
}
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