Java Code Examples for org.apache.tinkerpop.shaded.jackson.core.JsonGenerator#writeObjectField()

private static void ser(final Tree tree, final JsonGenerator jsonGenerator, final TypeSerializer typeSerializer)
        throws IOException {
    jsonGenerator.writeStartObject(); 
    if (typeSerializer != null) jsonGenerator.writeStringField(GraphSONTokens.CLASS, HashMap.class.getName());
    
    Set<Map.Entry<Element, Tree>> set = tree.entrySet();
    for(Map.Entry<Element, Tree> entry : set)
    {
        jsonGenerator.writeObjectFieldStart(entry.getKey().id().toString());
        if (typeSerializer != null) jsonGenerator.writeStringField(GraphSONTokens.CLASS, HashMap.class.getName());
        jsonGenerator.writeObjectField(GraphSONTokens.KEY, entry.getKey()); 
        jsonGenerator.writeObjectField(GraphSONTokens.VALUE, entry.getValue());
        jsonGenerator.writeEndObject();
    }
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final P p, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeStringField(GraphSONTokens.PREDICATE,
            p instanceof ConnectiveP ?
                    p instanceof AndP ?
                            GraphSONTokens.AND :
                            GraphSONTokens.OR :
                    p.getBiPredicate().toString());
    if (p instanceof ConnectiveP) {
        jsonGenerator.writeArrayFieldStart(GraphSONTokens.VALUE);
        for (final P<?> predicate : ((ConnectiveP<?>) p).getPredicates()) {
            jsonGenerator.writeObject(predicate);
        }
        jsonGenerator.writeEndArray();
    } else
        jsonGenerator.writeObjectField(GraphSONTokens.VALUE, p.getValue());

    jsonGenerator.writeEndObject();
}
 

@Override
public void serializeWithType(final CustomId customId, final JsonGenerator jsonGenerator,
                              final SerializerProvider serializerProvider, final TypeSerializer typeSerializer) throws IOException, JsonProcessingException {
    // when the type is included add "class" as a key and then try to utilize as much of the
    // default serialization provided by jackson data-bind as possible.  for example, write
    // the uuid as an object so that when jackson serializes it, it uses the uuid serializer
    // to write it out with the type.  in this way, data-bind should be able to deserialize
    // it back when types are embedded.
    jsonGenerator.writeStartObject();
    jsonGenerator.writeStringField(GraphSONTokens.CLASS, CustomId.class.getName());
    jsonGenerator.writeStringField("cluster", customId.getCluster());
    jsonGenerator.writeObjectField("elementId", customId.getElementId());
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final TraversalStrategy traversalStrategy, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    for (final Map.Entry<Object, Object> entry : ConfigurationConverter.getMap(traversalStrategy.getConfiguration()).entrySet()) {
        jsonGenerator.writeObjectField((String) entry.getKey(), entry.getValue());
    }
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Traverser traverserInstance, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeObjectField(GraphSONTokens.BULK, traverserInstance.bulk());
    jsonGenerator.writeObjectField(GraphSONTokens.VALUE, traverserInstance.get());
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Bytecode.Binding binding, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeStringField(GraphSONTokens.KEY, binding.variable());
    jsonGenerator.writeObjectField(GraphSONTokens.VALUE, binding.value());
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final TraversalStrategy traversalStrategy, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    for (final Map.Entry<Object, Object> entry : ConfigurationConverter.getMap(traversalStrategy.getConfiguration()).entrySet()) {
        jsonGenerator.writeObjectField((String) entry.getKey(), entry.getValue());
    }
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final VertexProperty property, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();

    jsonGenerator.writeObjectField(GraphSONTokens.ID, property.id());
    jsonGenerator.writeObjectField(GraphSONTokens.VALUE, property.value());
    if (includeLabel)
        jsonGenerator.writeStringField(GraphSONTokens.LABEL, property.label());
    tryWriteMetaProperties(property, jsonGenerator, normalize);

    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Path path, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException, JsonGenerationException {
    jsonGenerator.writeStartObject();

    // paths shouldn't serialize with properties if the path contains graph elements
    final Path p = DetachedFactory.detach(path, false);
    jsonGenerator.writeObjectField(GraphSONTokens.LABELS, p.labels());
    jsonGenerator.writeObjectField(GraphSONTokens.OBJECTS, p.objects());

    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Path path, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException, JsonGenerationException {
    jsonGenerator.writeStartObject();

    // paths shouldn't serialize with properties if the path contains graph elements
    final Path p = DetachedFactory.detach(path, false);
    jsonGenerator.writeObjectField(GraphSONTokens.LABELS, p.labels());
    jsonGenerator.writeObjectField(GraphSONTokens.OBJECTS, p.objects());

    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(HugeResource res, JsonGenerator generator,
                      SerializerProvider provider)
                      throws IOException {
    generator.writeStartObject();

    generator.writeObjectField("type", res.type);
    generator.writeObjectField("label", res.label);
    generator.writeObjectField("properties", res.properties);

    generator.writeEndObject();
}
 

private static void writeMetaProperties(final VertexProperty property, final JsonGenerator jsonGenerator,
                                        final boolean normalize) throws IOException {
    jsonGenerator.writeFieldName(GraphSONTokens.PROPERTIES);
    jsonGenerator.writeStartObject();

    final Iterator<Property<Object>> metaProperties = normalize ?
            IteratorUtils.list((Iterator<Property<Object>>) property.properties(), Comparators.PROPERTY_COMPARATOR).iterator() : property.properties();
    while (metaProperties.hasNext()) {
        final Property<Object> metaProperty = metaProperties.next();
        jsonGenerator.writeObjectField(metaProperty.key(), metaProperty.value());
    }

    jsonGenerator.writeEndObject();
}
 

public void ser(final ResponseMessage responseMessage, final JsonGenerator jsonGenerator,
                final SerializerProvider serializerProvider,
                final TypeSerializer typeSerializer) throws IOException {
    GraphSONUtil.writeStartObject(responseMessage, jsonGenerator, typeSerializer);

    jsonGenerator.writeStringField(SerTokens.TOKEN_REQUEST, responseMessage.getRequestId() != null ? responseMessage.getRequestId().toString() : null);
    jsonGenerator.writeFieldName(SerTokens.TOKEN_STATUS);

    GraphSONUtil.writeStartObject(responseMessage, jsonGenerator, typeSerializer);
    jsonGenerator.writeStringField(SerTokens.TOKEN_MESSAGE, responseMessage.getStatus().getMessage());
    jsonGenerator.writeNumberField(SerTokens.TOKEN_CODE, responseMessage.getStatus().getCode().getValue());
    jsonGenerator.writeObjectField(SerTokens.TOKEN_ATTRIBUTES, responseMessage.getStatus().getAttributes());
    GraphSONUtil.writeEndObject(responseMessage, jsonGenerator, typeSerializer);

    jsonGenerator.writeFieldName(SerTokens.TOKEN_RESULT);

    GraphSONUtil.writeStartObject(responseMessage, jsonGenerator, typeSerializer);

    if (null == responseMessage.getResult().getData()){
        jsonGenerator.writeNullField(SerTokens.TOKEN_DATA);
    } else {
        jsonGenerator.writeFieldName(SerTokens.TOKEN_DATA);
        final Object result = responseMessage.getResult().getData();
        serializerProvider.findTypedValueSerializer(result.getClass(), true, null).serialize(result, jsonGenerator, serializerProvider);
    }

    jsonGenerator.writeObjectField(SerTokens.TOKEN_META, responseMessage.getResult().getMeta());
    GraphSONUtil.writeEndObject(responseMessage, jsonGenerator, typeSerializer);

    GraphSONUtil.writeEndObject(responseMessage, jsonGenerator, typeSerializer);
}
 

public void ser(final RequestMessage requestMessage, final JsonGenerator jsonGenerator,
                final SerializerProvider serializerProvider,
                final TypeSerializer typeSerializer) throws IOException {
    GraphSONUtil.writeStartObject(requestMessage, jsonGenerator, typeSerializer);

    jsonGenerator.writeStringField(SerTokens.TOKEN_REQUEST, requestMessage.getRequestId().toString());
    jsonGenerator.writeStringField(SerTokens.TOKEN_OP, requestMessage.getOp());
    jsonGenerator.writeStringField(SerTokens.TOKEN_PROCESSOR, requestMessage.getProcessor());
    jsonGenerator.writeObjectField(SerTokens.TOKEN_ARGS, requestMessage.getArgs());

    GraphSONUtil.writeEndObject(requestMessage, jsonGenerator, typeSerializer);
}
 

@Override
public void serialize(final ToyTriangle toyTriangle, final JsonGenerator jsonGenerator,
                      final SerializerProvider serializerProvider) throws IOException, JsonGenerationException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeObjectField("x", toyTriangle.x);
    jsonGenerator.writeObjectField("y", toyTriangle.y);
    jsonGenerator.writeObjectField("z", toyTriangle.z);
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Traverser traverserInstance, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeObjectField(GraphSONTokens.BULK, traverserInstance.bulk());
    jsonGenerator.writeObjectField(GraphSONTokens.VALUE, traverserInstance.get());
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Bytecode.Binding binding, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeStringField(GraphSONTokens.KEY, binding.variable());
    jsonGenerator.writeObjectField(GraphSONTokens.VALUE, binding.value());
    jsonGenerator.writeEndObject();
}
 

private static void ser(final Path path, final JsonGenerator jsonGenerator, final TypeSerializer typeSerializer)
        throws IOException {
    jsonGenerator.writeStartObject();
    if (typeSerializer != null) jsonGenerator.writeStringField(GraphSONTokens.CLASS, HashMap.class.getName());
    jsonGenerator.writeObjectField(GraphSONTokens.LABELS, path.labels());
    jsonGenerator.writeObjectField(GraphSONTokens.OBJECTS, path.objects());
    jsonGenerator.writeEndObject();
}
 

@Override
public void serialize(final Tree tree, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider) throws IOException, JsonGenerationException {
    jsonGenerator.writeStartArray();
    final Set<Map.Entry<Element, Tree>> set = tree.entrySet();
    for (Map.Entry<Element, Tree> entry : set) {
        jsonGenerator.writeStartObject();
        jsonGenerator.writeObjectField(GraphSONTokens.KEY, entry.getKey());
        jsonGenerator.writeObjectField(GraphSONTokens.VALUE, entry.getValue());
        jsonGenerator.writeEndObject();
    }
    jsonGenerator.writeEndArray();
}
 

@Override
public void serialize(final Property property, final JsonGenerator jsonGenerator, final SerializerProvider serializerProvider)
        throws IOException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeObjectField(GraphSONTokens.KEY, property.key());
    jsonGenerator.writeObjectField(GraphSONTokens.VALUE, property.value());
    jsonGenerator.writeEndObject();
}