1 /*
2 * Copyright 2009 The Apache Software Foundation
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20
21 package org.apache.hadoop.hbase.regionserver;
22
23 import org.apache.hadoop.hbase.regionserver.KeyValueScanner;
24 import org.apache.hadoop.hbase.util.CollectionBackedScanner;
25 import org.apache.hadoop.hbase.KeyValue;
26
27 import java.util.ArrayList;
28 import java.util.List;
29
30 /**
31 * A fixture that implements and presents a KeyValueScanner.
32 * It takes a list of key/values which is then sorted according
33 * to the provided comparator, and then the whole thing pretends
34 * to be a store file scanner.
35 */
36 public class KeyValueScanFixture extends CollectionBackedScanner {
37 public KeyValueScanFixture(KeyValue.KVComparator comparator,
38 KeyValue... incData) {
39 super(comparator, incData);
40 }
41
42 public static List<KeyValueScanner> scanFixture(KeyValue[] ... kvArrays) {
43 ArrayList<KeyValueScanner> scanners = new ArrayList<KeyValueScanner>();
44 for (KeyValue [] kvs : kvArrays) {
45 scanners.add(new KeyValueScanFixture(KeyValue.COMPARATOR, kvs));
46 }
47 return scanners;
48 }
49 }