Examples with Streamable org.elasticsearch.common.io.stream.Streamable used on opensource projects

Example 1 with Streamable

use of org.elasticsearch.common.io.stream.Streamable in project elasticsearch by elastic.

the class ElasticsearchAssertions method tryCreateNewInstance.

private static Streamable tryCreateNewInstance(Streamable streamable) throws NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
    try {
        Class<? extends Streamable> clazz = streamable.getClass();
        Constructor<? extends Streamable> constructor = clazz.getConstructor();
        assertThat(constructor, Matchers.notNullValue());
        Streamable newInstance = constructor.newInstance();
        return newInstance;
    } catch (Exception e) {
        return null;
    }
}

Example 2 with Streamable

use of org.elasticsearch.common.io.stream.Streamable in project elasticsearch by elastic.

the class ElasticsearchAssertions method assertVersionSerializable.

public static void assertVersionSerializable(Version version, Streamable streamable, NamedWriteableRegistry namedWriteableRegistry) {
    try {
        Streamable newInstance = tryCreateNewInstance(streamable);
        if (newInstance == null) {
            // can't create a new instance - we never modify a
            return;
        // streamable that comes in.
        }
        if (streamable instanceof ActionRequest) {
            ((ActionRequest) streamable).validate();
        }
        BytesReference orig;
        try {
            orig = serialize(version, streamable);
        } catch (IllegalArgumentException e) {
            // Can't serialize with this version so skip this test.
            return;
        }
        StreamInput input = orig.streamInput();
        if (namedWriteableRegistry != null) {
            input = new NamedWriteableAwareStreamInput(input, namedWriteableRegistry);
        }
        input.setVersion(version);
        newInstance.readFrom(input);
        assertThat("Stream should be fully read with version [" + version + "] for streamable [" + streamable + "]", input.available(), equalTo(0));
        BytesReference newBytes = serialize(version, streamable);
        if (false == orig.equals(newBytes)) {
            // The bytes are different. That is a failure. Lets try to throw a useful exception for debugging.
            String message = "Serialization failed with version [" + version + "] bytes should be equal for streamable [" + streamable + "]";
            // If the bytes are different then comparing BytesRef's toStrings will show you *where* they are different
            assertEquals(message, orig.toBytesRef().toString(), newBytes.toBytesRef().toString());
            // They bytes aren't different. Very very weird.
            fail(message);
        }
    } catch (Exception ex) {
        throw new RuntimeException("failed to check serialization - version [" + version + "] for streamable [" + streamable + "]", ex);
    }
}

Example 3 with Streamable

use of org.elasticsearch.common.io.stream.Streamable in project elasticsearch by elastic.

the class ElasticsearchAssertionsTests method testAssertVersionSerializableIsOkWithIllegalArgumentException.

public void testAssertVersionSerializableIsOkWithIllegalArgumentException() {
    Version version = randomVersion(random());
    NamedWriteableRegistry registry = new NamedWriteableRegistry(emptyList());
    Streamable testStreamable = new TestStreamable();
    // Should catch the exception and do nothing.
    assertVersionSerializable(version, testStreamable, registry);
}

Example 4 with Streamable

use of org.elasticsearch.common.io.stream.Streamable in project elasticsearch by elastic.

the class UpdateRequestTests method testNowInScript.

public void testNowInScript() throws IOException {
    Path genericConfigFolder = createTempDir();
    Settings baseSettings = Settings.builder().put(Environment.PATH_HOME_SETTING.getKey(), createTempDir().toString()).put(Environment.PATH_CONF_SETTING.getKey(), genericConfigFolder).build();
    Environment environment = new Environment(baseSettings);
    Map<String, Function<Map<String, Object>, Object>> scripts = new HashMap<>();
    scripts.put("ctx._source.update_timestamp = ctx._now", (vars) -> {
        Map<String, Object> vars2 = vars;
        @SuppressWarnings("unchecked") Map<String, Object> ctx = (Map<String, Object>) vars2.get("ctx");
        @SuppressWarnings("unchecked") Map<String, Object> source = (Map<String, Object>) ctx.get("_source");
        source.put("update_timestamp", ctx.get("_now"));
        return null;
    });
    scripts.put("ctx._timestamp = ctx._now", (vars) -> {
        @SuppressWarnings("unchecked") Map<String, Object> ctx = (Map<String, Object>) vars.get("ctx");
        ctx.put("_timestamp", ctx.get("_now"));
        return null;
    });
    ScriptContextRegistry scriptContextRegistry = new ScriptContextRegistry(Collections.emptyList());
    ScriptEngineRegistry scriptEngineRegistry = new ScriptEngineRegistry(Collections.singletonList(new MockScriptEngine("mock", scripts)));
    ScriptSettings scriptSettings = new ScriptSettings(scriptEngineRegistry, scriptContextRegistry);
    ScriptService scriptService = new ScriptService(baseSettings, environment, new ResourceWatcherService(baseSettings, null), scriptEngineRegistry, scriptContextRegistry, scriptSettings);
    Settings settings = settings(Version.CURRENT).build();
    UpdateHelper updateHelper = new UpdateHelper(settings, scriptService);
    // We just upsert one document with now() using a script
    IndexRequest indexRequest = new IndexRequest("test", "type1", "2").source(jsonBuilder().startObject().field("foo", "bar").endObject());
    {
        UpdateRequest updateRequest = new UpdateRequest("test", "type1", "2").upsert(indexRequest).script(new Script(ScriptType.INLINE, "mock", "ctx._source.update_timestamp = ctx._now", Collections.emptyMap())).scriptedUpsert(true);
        long nowInMillis = randomNonNegativeLong();
        // We simulate that the document is not existing yet
        GetResult getResult = new GetResult("test", "type1", "2", 0, false, null, null);
        UpdateHelper.Result result = updateHelper.prepare(new ShardId("test", "_na_", 0), updateRequest, getResult, () -> nowInMillis);
        Streamable action = result.action();
        assertThat(action, instanceOf(IndexRequest.class));
        IndexRequest indexAction = (IndexRequest) action;
        assertEquals(indexAction.sourceAsMap().get("update_timestamp"), nowInMillis);
    }
    {
        UpdateRequest updateRequest = new UpdateRequest("test", "type1", "2").upsert(indexRequest).script(new Script(ScriptType.INLINE, "mock", "ctx._timestamp = ctx._now", Collections.emptyMap())).scriptedUpsert(true);
        // We simulate that the document is not existing yet
        GetResult getResult = new GetResult("test", "type1", "2", 0, true, new BytesArray("{}"), null);
        UpdateHelper.Result result = updateHelper.prepare(new ShardId("test", "_na_", 0), updateRequest, getResult, () -> 42L);
        Streamable action = result.action();
        assertThat(action, instanceOf(IndexRequest.class));
    }
}