com.couchbase.client.java.document.ByteArrayDocument Java Examples

@Test
public void testBinaryDoc() throws Exception {
    String bucketName = "bucket-1";
    String docId = "doc-a";
    int expiry = 100;
    long cas = 200L;

    String inFileData = "12345";
    byte[] inFileDataBytes = inFileData.getBytes(StandardCharsets.UTF_8);

    Bucket bucket = mock(Bucket.class);
    when(bucket.upsert(any(ByteArrayDocument.class), eq(PersistTo.NONE), eq(ReplicateTo.NONE)))
            .thenReturn(ByteArrayDocument.create(docId, expiry, Unpooled.copiedBuffer(inFileData.getBytes(StandardCharsets.UTF_8)).array(), cas));
    setupMockBucket(bucket);

    testRunner.enqueue(inFileDataBytes);
    testRunner.setProperty(BUCKET_NAME, bucketName);
    testRunner.setProperty(DOC_ID, docId);
    testRunner.setProperty(DOCUMENT_TYPE, DocumentType.Binary.name());
    testRunner.run();

    verify(bucket, times(1)).upsert(any(ByteArrayDocument.class), eq(PersistTo.NONE), eq(ReplicateTo.NONE));

    testRunner.assertAllFlowFilesTransferred(REL_SUCCESS);
    testRunner.assertTransferCount(REL_SUCCESS, 1);
    testRunner.assertTransferCount(REL_RETRY, 0);
    testRunner.assertTransferCount(REL_FAILURE, 0);
    MockFlowFile outFile = testRunner.getFlowFilesForRelationship(REL_SUCCESS).get(0);
    outFile.assertContentEquals(inFileData);
    outFile.assertAttributeEquals(CouchbaseAttributes.Cluster.key(), SERVICE_ID);
    outFile.assertAttributeEquals(CouchbaseAttributes.Bucket.key(), bucketName);
    outFile.assertAttributeEquals(CouchbaseAttributes.DocId.key(), docId);
    outFile.assertAttributeEquals(CouchbaseAttributes.Cas.key(), String.valueOf(cas));
    outFile.assertAttributeEquals(CouchbaseAttributes.Expiry.key(), String.valueOf(expiry));
}
 

@Test
public void testEndToEnd() throws Exception {

  Bucket inputBucket = cluster.openBucket(inputBucketName);
  inputBucket.upsert(ByteArrayDocument.create("Alice", "20".getBytes()));
  inputBucket.upsert(ByteArrayDocument.create("Bob", "30".getBytes()));
  inputBucket.upsert(ByteArrayDocument.create("Chris", "40".getBytes()));
  inputBucket.upsert(ByteArrayDocument.create("David", "50".getBytes()));
  inputBucket.close();

  String[] users = new String[]{"Alice", "Bob", "Chris", "David"};

  int partitionCount = 1;
  Map<String, String> configs = TestLocalTableEndToEnd.getBaseJobConfig(bootstrapUrl(), zkConnect());

  configs.put("streams.User.samza.system", "test");
  configs.put("streams.User.source", Base64Serializer.serialize(users));
  configs.put("streams.User.partitionCount", String.valueOf(partitionCount));
  Config config = new MapConfig(configs);

  final StreamApplication app = appDesc -> {
    DelegatingSystemDescriptor inputSystemDescriptor = new DelegatingSystemDescriptor("test");
    GenericInputDescriptor<String> inputDescriptor =
        inputSystemDescriptor.getInputDescriptor("User", new NoOpSerde<>());

    CouchbaseTableReadFunction<String> readFunction = new CouchbaseTableReadFunction<>(inputBucketName,
            String.class, "couchbase://127.0.0.1")
        .withBootstrapCarrierDirectPort(couchbaseMock.getCarrierPort(inputBucketName))
        .withBootstrapHttpDirectPort(couchbaseMock.getHttpPort())
        .withSerde(new StringSerde());

    CouchbaseTableWriteFunction<JsonObject> writeFunction = new CouchbaseTableWriteFunction<>(outputBucketName,
            JsonObject.class, "couchbase://127.0.0.1")
        .withBootstrapCarrierDirectPort(couchbaseMock.getCarrierPort(outputBucketName))
        .withBootstrapHttpDirectPort(couchbaseMock.getHttpPort());

    RemoteTableDescriptor inputTableDesc = new RemoteTableDescriptor<String, String>("input-table")
        .withReadFunction(readFunction)
        .withRateLimiterDisabled();
    Table<KV<String, String>> inputTable = appDesc.getTable(inputTableDesc);

    RemoteTableDescriptor outputTableDesc = new RemoteTableDescriptor<String, JsonObject>("output-table")
        .withReadFunction(new NoOpTableReadFunction<>())
        .withWriteFunction(writeFunction)
        .withRateLimiterDisabled();
    Table<KV<String, JsonObject>> outputTable = appDesc.getTable(outputTableDesc);

    appDesc.getInputStream(inputDescriptor)
        .map(k -> KV.of(k, k))
        .join(inputTable, new JoinFunction())
        .sendTo(outputTable);
  };

  final LocalApplicationRunner runner = new LocalApplicationRunner(app, config);
  executeRun(runner, config);
  runner.waitForFinish();

  Bucket outputBucket = cluster.openBucket(outputBucketName);
  Assert.assertEquals("{\"name\":\"Alice\",\"age\":\"20\"}", outputBucket.get("Alice").content().toString());
  Assert.assertEquals("{\"name\":\"Bob\",\"age\":\"30\"}", outputBucket.get("Bob").content().toString());
  Assert.assertEquals("{\"name\":\"Chris\",\"age\":\"40\"}", outputBucket.get("Chris").content().toString());
  Assert.assertEquals("{\"name\":\"David\",\"age\":\"50\"}", outputBucket.get("David").content().toString());
  outputBucket.close();
}
 

/**
 * Executes a document write operation.
 *
 * @param key the document key
 * @param ttl the document expiry ttl
 * @param cas the compare-and-swap (CAS) value to apply to the write
 * @param baos the raw document content
 * @param record the record being written
 * @return an observable for the document write or an empty observable on error
 */
private Observable<AbstractDocument> writeDoc(String key, int ttl, long cas, ByteArrayOutputStream baos, Record record) {

  WriteOperationType opType = getOperationFromHeader(record, key);

  if(opType == null) {
    return Observable.empty();
  }

  AbstractDocument doc;

  if(config.dataFormat == DataFormat.JSON) {
    try {
       doc = JsonDocument.create(key, ttl, JsonObject.fromJson(baos.toString(config.dataFormatConfig.charset)), cas);
    } catch(Exception e) {
      return handleError(record, Errors.COUCHBASE_10, e);
    }
  } else {
     doc = ByteArrayDocument.create(key, ttl, baos.toByteArray(), cas);
  }

  switch (opType) {
    case DELETE: {
        LOG.debug("DELETE key: {}, TTL: {}, CAS: {}", key, ttl, cas);
        return connector.bucket().remove(doc, config.persistTo, config.replicateTo)
            .timeout(config.couchbase.kvTimeout, TimeUnit.MILLISECONDS);
    }
    case INSERT: {
        LOG.debug("INSERT key: {}, TTL: {}, CAS: {}", key, ttl, cas);
        return connector.bucket().insert(doc, config.persistTo, config.replicateTo)
            .timeout(config.couchbase.kvTimeout, TimeUnit.MILLISECONDS);
    }
    case REPLACE: {
        LOG.debug("REPLACE key: {}, TTL: {}, CAS: {}", key, ttl, cas);
        return connector.bucket().replace(doc, config.persistTo, config.replicateTo)
            .timeout(config.couchbase.kvTimeout, TimeUnit.MILLISECONDS);
    }
    case UPSERT: {
        LOG.debug("UPSERT key: {}, TTL: {}, CAS: {}", key, ttl, cas);
        return connector.bucket().upsert(doc, config.persistTo, config.replicateTo)
            .timeout(config.couchbase.kvTimeout, TimeUnit.MILLISECONDS);
    }
    default:
      return Observable.empty();
  }
}
 

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) throws ProcessException {
    final ComponentLog logger = getLogger();
    FlowFile flowFile = session.get();
    if (flowFile == null) {
        return;
    }

    final byte[] content = new byte[(int) flowFile.getSize()];
    session.read(flowFile, new InputStreamCallback() {
        @Override
        public void process(final InputStream in) throws IOException {
            StreamUtils.fillBuffer(in, content, true);
        }
    });

    String docId = flowFile.getAttribute(CoreAttributes.UUID.key());
    if (context.getProperty(DOC_ID).isSet()) {
        docId = context.getProperty(DOC_ID).evaluateAttributeExpressions(flowFile).getValue();
    }

    try {
        Document<?> doc = null;
        final DocumentType documentType = DocumentType.valueOf(context.getProperty(DOCUMENT_TYPE).getValue());
        switch (documentType) {
            case Json: {
                doc = RawJsonDocument.create(docId, new String(content, StandardCharsets.UTF_8));
                break;
            }
            case Binary: {
                doc = ByteArrayDocument.create(docId, content);
                break;
            }
        }

        final PersistTo persistTo = PersistTo.valueOf(context.getProperty(PERSIST_TO).getValue());
        final ReplicateTo replicateTo = ReplicateTo.valueOf(context.getProperty(REPLICATE_TO).getValue());
        final Bucket bucket = openBucket(context);
        doc = bucket.upsert(doc, persistTo, replicateTo);

        final Map<String, String> updatedAttrs = new HashMap<>();
        updatedAttrs.put(CouchbaseAttributes.Cluster.key(), context.getProperty(COUCHBASE_CLUSTER_SERVICE).getValue());
        updatedAttrs.put(CouchbaseAttributes.Bucket.key(), bucket.name());
        updatedAttrs.put(CouchbaseAttributes.DocId.key(), docId);
        updatedAttrs.put(CouchbaseAttributes.Cas.key(), String.valueOf(doc.cas()));
        updatedAttrs.put(CouchbaseAttributes.Expiry.key(), String.valueOf(doc.expiry()));

        flowFile = session.putAllAttributes(flowFile, updatedAttrs);
        session.getProvenanceReporter().send(flowFile, getTransitUrl(bucket, docId));
        session.transfer(flowFile, REL_SUCCESS);
    } catch (final CouchbaseException e) {
        String errMsg = String.format("Writing document %s to Couchbase Server using %s failed due to %s", docId, flowFile, e);
        handleCouchbaseException(context, session, logger, flowFile, e, errMsg);
    }
}
 

@Ignore("This test method requires a live Couchbase Server instance")
@Test
public void testDocumentTypesAndStringConversion() {
    final CouchbaseCluster cluster = CouchbaseCluster.fromConnectionString("couchbase://192.168.99.100:8091");
    final Bucket bucket = cluster.openBucket("b1", "b1password");

    bucket.upsert(JsonDocument.create("JsonDocument", JsonObject.create().put("one", 1)));
    bucket.upsert(JsonArrayDocument.create("JsonArray", JsonArray.create().add(1).add(2).add(3)));
    bucket.upsert(JsonDoubleDocument.create("JsonDouble", 0.123));
    bucket.upsert(JsonStringDocument.create("JsonString", "value"));
    bucket.upsert(JsonBooleanDocument.create("JsonBoolean", true));
    bucket.upsert(JsonLongDocument.create("JsonLong", 123L));

    bucket.upsert(RawJsonDocument.create("RawJsonDocument", "value"));
    bucket.upsert(StringDocument.create("StringDocument", "value"));

    bucket.upsert(BinaryDocument.create("BinaryDocument", Unpooled.copiedBuffer("value".getBytes(StandardCharsets.UTF_8))));
    bucket.upsert(ByteArrayDocument.create("ByteArrayDocument", "value".getBytes(StandardCharsets.UTF_8)));

    final String[][] expectations = {
            {"JsonDocument", "String", "{\"one\":1}"},
            {"JsonArray", "String", "[1,2,3]"},
            {"JsonDouble", "String", "0.123"},
            {"JsonString", "String", "\"value\""},
            {"JsonBoolean", "String", "true"},
            {"JsonLong", "String", "123"},
            {"RawJsonDocument", "String", "value"},
            {"StringDocument", "String", "value"},
            {"BinaryDocument", "byte[]", "value"},
            {"ByteArrayDocument", "byte[]", "value"},
    };

    for (String[] expectation : expectations) {
        final LegacyDocument document = bucket.get(LegacyDocument.create(expectation[0]));
        assertEquals(expectation[1], document.content().getClass().getSimpleName());
        assertEquals(expectation[2], CouchbaseUtils.getStringContent(document.content()));
    }

    final BinaryDocument binaryDocument = bucket.get(BinaryDocument.create("BinaryDocument"));
    final String stringFromByteBuff = CouchbaseUtils.getStringContent(binaryDocument.content());
    assertEquals("value", stringFromByteBuff);

    try {
        bucket.get(BinaryDocument.create("JsonDocument"));
        fail("Getting a JSON document as a BinaryDocument fails");
    } catch (TranscodingException e) {
        assertTrue(e.getMessage().contains("Flags (0x2000000) indicate non-binary document for id JsonDocument"));
    }

}