| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cassandra.db.columniterator; |
| |
| import java.io.IOException; |
| import org.apache.cassandra.db.ColumnFamily; |
| import org.apache.cassandra.db.DecoratedKey; |
| import org.apache.cassandra.db.OnDiskAtom; |
| import org.apache.cassandra.utils.CloseableIterator; |
| |
| public interface OnDiskAtomIterator extends CloseableIterator<OnDiskAtom> |
| { |
| /** |
| * @return A ColumnFamily holding metadata for the row being iterated. |
| * Do not modify this CF. Whether it is empty or not is implementation-dependent. |
| */ |
| public abstract ColumnFamily getColumnFamily(); |
| |
| /** |
| * @return the current row key |
| */ |
| public DecoratedKey getKey(); |
| |
| /** clean up any open resources */ |
| public void close() throws IOException; |
| } |
| |