Java Code Examples for io.airlift.json.JsonCodec#fromJson()

The following examples show how to use io.airlift.json.JsonCodec#fromJson() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: TestSignature.java From presto with Apache License 2.0

6 votes

@Test
public void testSerializationRoundTrip()
{
    ObjectMapperProvider objectMapperProvider = new ObjectMapperProvider();
    objectMapperProvider.setJsonDeserializers(ImmutableMap.of(
            Type.class, new TypeDeserializer(createTestMetadataManager()),
            TypeSignature.class, new TypeSignatureDeserializer()));
    JsonCodec<Signature> codec = new JsonCodecFactory(objectMapperProvider, true).jsonCodec(Signature.class);

    Signature expected = new Signature(
            "function",
            BIGINT.getTypeSignature(),
            ImmutableList.of(BOOLEAN.getTypeSignature(), DOUBLE.getTypeSignature(), VARCHAR.getTypeSignature()));

    String json = codec.toJson(expected);
    Signature actual = codec.fromJson(json);

    assertEquals(actual.getName(), expected.getName());
    assertEquals(actual.getReturnType(), expected.getReturnType());
    assertEquals(actual.getArgumentTypes(), expected.getArgumentTypes());
}

Example 2

Source File: TestHiveColumnHandle.java From presto with Apache License 2.0

6 votes

private void testRoundTrip(HiveColumnHandle expected)
{
    ObjectMapperProvider objectMapperProvider = new ObjectMapperProvider();
    objectMapperProvider.setJsonDeserializers(ImmutableMap.of(Type.class, new HiveModule.TypeDeserializer(new InternalTypeManager(createTestMetadataManager()))));
    JsonCodec<HiveColumnHandle> codec = new JsonCodecFactory(objectMapperProvider).jsonCodec(HiveColumnHandle.class);

    String json = codec.toJson(expected);
    HiveColumnHandle actual = codec.fromJson(json);

    assertEquals(actual.getBaseColumnName(), expected.getBaseColumnName());
    assertEquals(actual.getBaseHiveColumnIndex(), expected.getBaseHiveColumnIndex());
    assertEquals(actual.getBaseType(), expected.getBaseType());
    assertEquals(actual.getBaseHiveType(), expected.getBaseHiveType());

    assertEquals(actual.getName(), expected.getName());
    assertEquals(actual.getType(), expected.getType());
    assertEquals(actual.getHiveType(), expected.getHiveType());

    assertEquals(actual.getHiveColumnProjectionInfo(), expected.getHiveColumnProjectionInfo());
    assertEquals(actual.isPartitionKey(), expected.isPartitionKey());
}

Example 3

Source File: TestSystemSplit.java From presto with Apache License 2.0

5 votes

@Test
public void testSerialization()
{
    SystemSplit expected = new SystemSplit(HostAddress.fromParts("127.0.0.1", 0), TupleDomain.all());

    JsonCodec<SystemSplit> codec = jsonCodec(SystemSplit.class);
    SystemSplit actual = codec.fromJson(codec.toJson(expected));

    assertEquals(actual.getAddresses(), expected.getAddresses());
    assertEquals(actual.getConstraint(), expected.getConstraint());
}

Example 4

Source File: TestPinotTableHandle.java From presto with Apache License 2.0

5 votes

@Test
public void testJsonRoundTrip()
{
    JsonCodec<PinotTableHandle> codec = jsonCodec(PinotTableHandle.class);
    String json = codec.toJson(tableHandle);
    PinotTableHandle copy = codec.fromJson(json);
    assertEquals(copy, tableHandle);
}

Example 5

Source File: TestQueryStats.java From presto with Apache License 2.0

5 votes

@Test
public void testJson()
{
    JsonCodec<QueryStats> codec = JsonCodec.jsonCodec(QueryStats.class);

    String json = codec.toJson(EXPECTED);
    QueryStats actual = codec.fromJson(json);

    assertExpectedQueryStats(actual);
}

Example 6

Source File: TestStageStats.java From presto with Apache License 2.0

5 votes

@Test
public void testJson()
{
    JsonCodec<StageStats> codec = JsonCodec.jsonCodec(StageStats.class);

    String json = codec.toJson(EXPECTED);
    StageStats actual = codec.fromJson(json);

    assertExpectedStageStats(actual);
}

Example 7

Source File: TestDriverStats.java From presto with Apache License 2.0

5 votes

@Test
public void testJson()
{
    JsonCodec<DriverStats> codec = JsonCodec.jsonCodec(DriverStats.class);

    String json = codec.toJson(EXPECTED);
    DriverStats actual = codec.fromJson(json);

    assertExpectedDriverStats(actual);
}

Example 8

Source File: TestTaskStats.java From presto with Apache License 2.0

5 votes

@Test
public void testJson()
{
    JsonCodec<TaskStats> codec = JsonCodec.jsonCodec(TaskStats.class);

    String json = codec.toJson(EXPECTED);
    TaskStats actual = codec.fromJson(json);

    assertExpectedTaskStats(actual);
}

Example 9

Source File: TestOperatorStats.java From presto with Apache License 2.0

5 votes

@Test
public void testJson()
{
    JsonCodec<OperatorStats> codec = JsonCodec.jsonCodec(OperatorStats.class);

    String json = codec.toJson(EXPECTED);
    OperatorStats actual = codec.fromJson(json);

    assertExpectedOperatorStats(actual);
}

Example 10

Source File: TestUtils.java From presto with Apache License 2.0

5 votes

public static Map.Entry<SchemaTableName, KafkaTopicDescription> loadTpchTopicDescription(JsonCodec<KafkaTopicDescription> topicDescriptionJsonCodec, String topicName, SchemaTableName schemaTableName)
        throws IOException
{
    KafkaTopicDescription tpchTemplate = topicDescriptionJsonCodec.fromJson(ByteStreams.toByteArray(TestUtils.class.getResourceAsStream(format("/tpch/%s.json", schemaTableName.getTableName()))));

    return new AbstractMap.SimpleImmutableEntry<>(
            schemaTableName,
            new KafkaTopicDescription(schemaTableName.getTableName(), Optional.of(schemaTableName.getSchemaName()), topicName, tpchTemplate.getKey(), tpchTemplate.getMessage()));
}

Example 11

Source File: TestJdbcSplit.java From presto with Apache License 2.0

5 votes

@Test
public void testJsonRoundTrip()
{
    JsonCodec<JdbcSplit> codec = jsonCodec(JdbcSplit.class);
    String json = codec.toJson(split);
    JdbcSplit copy = codec.fromJson(json);
    assertEquals(copy.getAdditionalPredicate(), split.getAdditionalPredicate());

    assertEquals(copy.getAddresses(), ImmutableList.of());
    assertEquals(copy.isRemotelyAccessible(), true);
}

Example 12

Source File: TestAtopSplit.java From presto with Apache License 2.0

5 votes

@Test
public void testSerialization()
{
    JsonCodec<AtopSplit> codec = JsonCodec.jsonCodec(AtopSplit.class);
    ZonedDateTime now = ZonedDateTime.now(ZoneId.of("+01:23"));
    AtopSplit split = new AtopSplit(HostAddress.fromParts("localhost", 123), now.toEpochSecond(), now.getZone());
    AtopSplit decoded = codec.fromJson(codec.toJson(split));
    assertEquals(decoded.getHost(), split.getHost());
    assertEquals(decoded.getDate(), split.getDate());
    assertEquals(decoded.getEpochSeconds(), split.getEpochSeconds());
    assertEquals(decoded.getTimeZone(), split.getTimeZone());
}

Example 13

Source File: TestExampleSplit.java From presto with Apache License 2.0

5 votes

@Test
public void testJsonRoundTrip()
{
    JsonCodec<ExampleSplit> codec = jsonCodec(ExampleSplit.class);
    String json = codec.toJson(split);
    ExampleSplit copy = codec.fromJson(json);
    assertEquals(copy.getUri(), split.getUri());

    assertEquals(copy.getAddresses(), ImmutableList.of(HostAddress.fromString("127.0.0.1")));
    assertEquals(copy.isRemotelyAccessible(), true);
}

Example 14

Source File: TestExampleTableHandle.java From presto with Apache License 2.0

5 votes

@Test
public void testJsonRoundTrip()
{
    JsonCodec<ExampleTableHandle> codec = jsonCodec(ExampleTableHandle.class);
    String json = codec.toJson(tableHandle);
    ExampleTableHandle copy = codec.fromJson(json);
    assertEquals(copy, tableHandle);
}

Example 15

Source File: ExampleClient.java From presto with Apache License 2.0

5 votes

private static Map<String, Map<String, ExampleTable>> lookupSchemas(URI metadataUri, JsonCodec<Map<String, List<ExampleTable>>> catalogCodec)
        throws IOException
{
    URL result = metadataUri.toURL();
    String json = Resources.toString(result, UTF_8);
    Map<String, List<ExampleTable>> catalog = catalogCodec.fromJson(json);

    return ImmutableMap.copyOf(transformValues(catalog, resolveAndIndexTables(metadataUri)));
}

Example 16

Source File: TestPrometheusSplit.java From presto with Apache License 2.0

5 votes

@Test
public void testJsonRoundTrip()
{
    JsonCodec<PrometheusSplit> codec = jsonCodec(PrometheusSplit.class);
    String json = codec.toJson(split);
    PrometheusSplit copy = codec.fromJson(json);
    assertEquals(copy.getUri(), split.getUri());

    assertEquals(copy.getAddresses(), ImmutableList.of(HostAddress.fromString("127.0.0.1")));
    assertEquals(copy.isRemotelyAccessible(), true);
}

Example 17

Source File: TestPrometheusTableHandle.java From presto with Apache License 2.0

5 votes

@Test
public void testJsonRoundTrip()
{
    JsonCodec<PrometheusTableHandle> codec = jsonCodec(PrometheusTableHandle.class);
    String json = codec.toJson(tableHandle);
    PrometheusTableHandle copy = codec.fromJson(json);
    assertEquals(copy, tableHandle);
}

Example 18

Source File: PrometheusClient.java From presto with Apache License 2.0

5 votes

private static Supplier<Map<String, Object>> metricsSupplier(final JsonCodec<Map<String, Object>> metricsCodec, final URI metadataUri)
{
    return () -> {
        try {
            byte[] json = getHttpResponse(metadataUri).bytes();
            Map<String, Object> metrics = metricsCodec.fromJson(json);
            return metrics;
        }
        catch (IOException | URISyntaxException e) {
            throw new UncheckedIOException((IOException) e);
        }
    };
}

Example 19

Source File: MetadataUtil.java From presto with Apache License 2.0

4 votes

public static <T> void assertJsonRoundTrip(JsonCodec<T> codec, T object)
{
    String json = codec.toJson(object);
    T copy = codec.fromJson(json);
    assertEquals(copy, object);
}

Example 20

Source File: MockPinotClient.java From presto with Apache License 2.0

4 votes

@Override
public <T> T doHttpActionWithHeadersJson(Request.Builder requestBuilder, Optional<String> requestBody, JsonCodec<T> codec)
{
    return codec.fromJson(response);
}