1 package org.apache.helix;
2
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,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.List;
23
24 public class ZNRecordAssembler
25 {
26 public ZNRecord assemble(List<ZNRecord> records)
27 {
28 ZNRecord assembledRecord = null;
29 if (records != null && records.size() > 0)
30 {
31 for (ZNRecord record : records)
32 {
33 if (record == null)
34 {
35 continue;
36 }
37
38 if (assembledRecord == null)
39 {
40 assembledRecord = new ZNRecord(record.getId());
41 }
42
43 assembledRecord.merge(record);
44 }
45 }
46 return assembledRecord;
47 }
48
49 }