| /* |
| * 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.io.sstable; |
| |
| import java.util.Set; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import org.apache.cassandra.db.partitions.AbstractUnfilteredPartitionIterator; |
| import org.apache.cassandra.db.rows.UnfilteredRowIterator; |
| import org.apache.cassandra.io.sstable.format.SSTableReader; |
| import org.apache.cassandra.schema.TableMetadata; |
| |
| public class EmptySSTableScanner extends AbstractUnfilteredPartitionIterator implements ISSTableScanner |
| { |
| private final SSTableReader sstable; |
| |
| public EmptySSTableScanner(SSTableReader sstable) |
| { |
| this.sstable = sstable; |
| } |
| |
| public long getBytesScanned() |
| { |
| return 0; |
| } |
| |
| public long getLengthInBytes() |
| { |
| return 0; |
| } |
| |
| public long getCompressedLengthInBytes() |
| { |
| return 0; |
| } |
| |
| public Set<SSTableReader> getBackingSSTables() |
| { |
| return ImmutableSet.of(sstable); |
| } |
| |
| public long getCurrentPosition() |
| { |
| return 0; |
| } |
| |
| public TableMetadata metadata() |
| { |
| return sstable.metadata(); |
| } |
| |
| public boolean hasNext() |
| { |
| return false; |
| } |
| |
| public UnfilteredRowIterator next() |
| { |
| return null; |
| } |
| } |