| /* |
| * 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.rows; |
| |
| import org.apache.cassandra.db.DataRange; |
| import org.apache.cassandra.db.DecoratedKey; |
| import org.apache.cassandra.db.Slices; |
| import org.apache.cassandra.db.filter.ColumnFilter; |
| import org.apache.cassandra.db.partitions.UnfilteredPartitionIterator; |
| import org.apache.cassandra.io.sstable.SSTableReadsListener; |
| |
| /** |
| * Common data access interface for sstables and memtables. |
| */ |
| public interface UnfilteredSource |
| { |
| /** |
| * Returns a row iterator for the given partition, applying the specified row and column filters. |
| * |
| * @param key the partition key |
| * @param slices the row ranges to return |
| * @param columnFilter filter to apply to all returned partitions |
| * @param reversed true if the content should be returned in reverse order |
| * @param listener a listener used to handle internal read events |
| */ |
| UnfilteredRowIterator rowIterator(DecoratedKey key, |
| Slices slices, |
| ColumnFilter columnFilter, |
| boolean reversed, |
| SSTableReadsListener listener); |
| |
| default UnfilteredRowIterator rowIterator(DecoratedKey key) |
| { |
| return rowIterator(key, Slices.ALL, ColumnFilter.NONE, false, SSTableReadsListener.NOOP_LISTENER); |
| } |
| |
| /** |
| * Returns a partition iterator for the given data range. |
| * |
| * @param columnFilter filter to apply to all returned partitions |
| * @param dataRange the partition and clustering range queried |
| * @param listener a listener used to handle internal read events |
| */ |
| UnfilteredPartitionIterator partitionIterator(ColumnFilter columnFilter, |
| DataRange dataRange, |
| SSTableReadsListener listener); |
| |
| /** Minimum timestamp of all stored data */ |
| long getMinTimestamp(); |
| |
| /** Minimum local deletion time in the memtable */ |
| int getMinLocalDeletionTime(); |
| } |