Java Store.verifyAfterCleanup示例

  @Test
  public void testCleanUpWithLegacyChecksums() throws IOException {
    Map<String, StoreFileMetaData> metaDataMap = new HashMap<>();
    metaDataMap.put(
        "segments_1",
        new StoreFileMetaData("segments_1", 50, null, null, new BytesRef(new byte[] {1})));
    metaDataMap.put(
        "_0_1.del", new StoreFileMetaData("_0_1.del", 42, "foobarbaz", null, new BytesRef()));
    Store.MetadataSnapshot snapshot = new Store.MetadataSnapshot(metaDataMap);

    final ShardId shardId = new ShardId(new Index("index"), 1);
    DirectoryService directoryService = new LuceneManagedDirectoryService(random());
    Store store =
        new Store(
            shardId,
            ImmutableSettings.EMPTY,
            directoryService,
            randomDistributor(directoryService),
            new DummyShardLock(shardId));
    for (String file : metaDataMap.keySet()) {
      try (IndexOutput output = store.directory().createOutput(file, IOContext.DEFAULT)) {
        BytesRef bytesRef = new BytesRef(TestUtil.randomRealisticUnicodeString(random(), 10, 1024));
        output.writeBytes(bytesRef.bytes, bytesRef.offset, bytesRef.length);
        CodecUtil.writeFooter(output);
      }
    }

    store.verifyAfterCleanup(snapshot, snapshot);
    store.deleteContent();
    IOUtils.close(store);
  }