@Override
public void serialize(
final GraphSONVertex directionalVertex,
final JsonGenerator jsonGenerator,
final SerializerProvider serializerProvider)
throws IOException, JsonGenerationException {
final Vertex vertex = directionalVertex.getVertexToSerialize();
jsonGenerator.writeStartObject();
jsonGenerator.writeObjectField(GraphSONTokens.ID, vertex.getId());
jsonGenerator.writeStringField(GraphSONTokens.LABEL, vertex.getLabel());
jsonGenerator.writeStringField(GraphSONTokens.TYPE, GraphSONTokens.VERTEX);
if (normalize) {
jsonGenerator.writeObjectFieldStart(GraphSONTokens.PROPERTIES);
vertex
.getProperties()
.values()
.stream()
.sorted(Comparators.PROPERTY_COMPARATOR)
.forEachOrdered(
FunctionUtils.wrapConsumer(
e -> jsonGenerator.writeObjectField(e.getKey(), e.get())));
jsonGenerator.writeEndObject();
} else {
jsonGenerator.writeObjectFieldStart(GraphSONTokens.PROPERTIES);
vertex
.getProperties()
.values()
.forEach(
FunctionUtils.wrapConsumer(
e -> jsonGenerator.writeObjectField(e.getKey(), e.get())));
jsonGenerator.writeEndObject();
}
if (directionalVertex.getDirection() == Direction.BOTH
|| directionalVertex.getDirection() == Direction.OUT) {
jsonGenerator.writeArrayFieldStart(GraphSONTokens.OUT);
if (normalize)
vertex
.outE()
.order(Comparators.HELD_EDGE_COMPARATOR)
.forEach(FunctionUtils.wrapConsumer(jsonGenerator::writeObject));
else vertex.outE().forEach(FunctionUtils.wrapConsumer(jsonGenerator::writeObject));
jsonGenerator.writeEndArray();
}
if (directionalVertex.getDirection() == Direction.BOTH
|| directionalVertex.getDirection() == Direction.IN) {
jsonGenerator.writeArrayFieldStart(GraphSONTokens.IN);
if (normalize)
vertex
.inE()
.order(Comparators.HELD_EDGE_COMPARATOR)
.forEach(FunctionUtils.wrapConsumer(jsonGenerator::writeObject));
else vertex.inE().forEach(FunctionUtils.wrapConsumer(jsonGenerator::writeObject));
jsonGenerator.writeEndArray();
}
jsonGenerator.writeEndObject();
}
