org.apache.tinkerpop.shaded.jackson.core.JsonProcessingException Java Examples

@Override
public TinkerGraph deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Configuration conf = new BaseConfiguration();
    conf.setProperty("gremlin.tinkergraph.defaultVertexPropertyCardinality", "list");
    final TinkerGraph graph = TinkerGraph.open(conf);

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals("vertices")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedVertex v = (DetachedVertex) deserializationContext.readValue(jsonParser, Vertex.class);
                    v.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        } else if (jsonParser.getCurrentName().equals("edges")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedEdge e = (DetachedEdge) deserializationContext.readValue(jsonParser, Edge.class);
                    e.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        }
    }

    return graph;
}
 

@SuppressWarnings("deprecation")
@Override
public void serializeWithType(final SchemaTable schemaTable, 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.
    typeSerializer.writeTypePrefixForScalar(schemaTable, jsonGenerator);
    final Map<String, Object> m = new LinkedHashMap<>();
    m.put("schema", schemaTable.getSchema());
    m.put("table", schemaTable.getTable());
    jsonGenerator.writeObject(m);
    typeSerializer.writeTypeSuffixForScalar(schemaTable, jsonGenerator);
}
 

@Override
public TinkerGraph deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Configuration conf = new BaseConfiguration();
    conf.setProperty("gremlin.tinkergraph.defaultVertexPropertyCardinality", "list");
    final TinkerGraph graph = TinkerGraph.open(conf);

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals("vertices")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedVertex v = (DetachedVertex) deserializationContext.readValue(jsonParser, Vertex.class);
                    v.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        } else if (jsonParser.getCurrentName().equals("edges")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedEdge e = (DetachedEdge) deserializationContext.readValue(jsonParser, Edge.class);
                    e.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        }
    }

    return graph;
}
 

@Override
public TinkerGraph deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Configuration conf = new BaseConfiguration();
    conf.setProperty("gremlin.tinkergraph.defaultVertexPropertyCardinality", "list");
    final TinkerGraph graph = TinkerGraph.open(conf);

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals("vertices")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedVertex v = (DetachedVertex) deserializationContext.readValue(jsonParser, Vertex.class);
                    v.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        } else if (jsonParser.getCurrentName().equals("edges")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedEdge e = (DetachedEdge) deserializationContext.readValue(jsonParser, Edge.class);
                    e.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        }
    }

    return graph;
}
 

@Override
public Double deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    if (jsonParser.getCurrentToken().isNumeric())
        return jsonParser.getDoubleValue();
    else  {
        final String numberText = jsonParser.getValueAsString();
        if ("NaN".equalsIgnoreCase(numberText))
            return Double.NaN;
        else if ("-Infinity".equals(numberText) || "-INF".equalsIgnoreCase(numberText))
            return Double.NEGATIVE_INFINITY;
        else if ("Infinity".equals(numberText) || "INF".equals(numberText))
            return Double.POSITIVE_INFINITY;
        else
            throw new IllegalStateException("Double value unexpected: " + numberText);
    }

}
 

@Override
public Path deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final JsonNode n = jsonParser.readValueAsTree();
    final Path p = MutablePath.make();

    final ArrayNode labels = (ArrayNode) n.get(GraphSONTokens.LABELS);
    final ArrayNode objects = (ArrayNode) n.get(GraphSONTokens.OBJECTS);

    for (int i = 0; i < objects.size(); i++) {
        final JsonParser po = objects.get(i).traverse();
        po.nextToken();
        final JsonParser pl = labels.get(i).traverse();
        pl.nextToken();
        p.extend(deserializationContext.readValue(po, Object.class), deserializationContext.readValue(pl, setType));
    }

    return p;
}
 

@Override
public Property deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String key = null;
    Object value = null;
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.KEY)) {
            jsonParser.nextToken();
            key = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            value = deserializationContext.readValue(jsonParser, Object.class);
        }
    }

    return new DetachedProperty<>(key, value);
}
 

public Vertex deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final DetachedVertex.Builder v = DetachedVertex.build();
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.ID)) {
            jsonParser.nextToken();
            v.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.LABEL)) {
            jsonParser.nextToken();
            v.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.PROPERTIES)) {
            jsonParser.nextToken();
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                jsonParser.nextToken();
                while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                    v.addProperty((DetachedVertexProperty) deserializationContext.readValue(jsonParser, VertexProperty.class));
                }
            }
        }
    }

    return v.create();
}
 

@Override
public Traverser deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    long bulk = 1;
    Object v = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.BULK)) {
            jsonParser.nextToken();
            bulk = deserializationContext.readValue(jsonParser, Long.class);
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            v = deserializationContext.readValue(jsonParser, Object.class);
        }
    }

    return new DefaultRemoteTraverser<>(v, bulk);
}
 

@Override
public Bytecode.Binding deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String k = null;
    Object v = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.KEY)) {
            jsonParser.nextToken();
            k = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            v = deserializationContext.readValue(jsonParser, Object.class);
        }
    }
    return new Bytecode.Binding<>(k, v);
}
 

@Override
public TextP deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String predicate = null;
    String value = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.PREDICATE)) {
            jsonParser.nextToken();
            predicate = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            value = deserializationContext.readValue(jsonParser, String.class);
        }
    }

    try {
        return (TextP) TextP.class.getMethod(predicate, String.class).invoke(null, value);
    } catch (final Exception e) {
        throw new IllegalStateException(e.getMessage(), e);
    }
}
 

@Override
public Traverser deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    long bulk = 1;
    Object v = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.BULK)) {
            jsonParser.nextToken();
            bulk = deserializationContext.readValue(jsonParser, Long.class);
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            v = deserializationContext.readValue(jsonParser, Object.class);
        }
    }

    return new DefaultRemoteTraverser<>(v, bulk);
}
 

@Override
public Bytecode.Binding deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String k = null;
    Object v = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.KEY)) {
            jsonParser.nextToken();
            k = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            v = deserializationContext.readValue(jsonParser, Object.class);
        }
    }
    return new Bytecode.Binding<>(k, v);
}
 

@Override
public TextP deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String predicate = null;
    String value = null;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.PREDICATE)) {
            jsonParser.nextToken();
            predicate = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            value = deserializationContext.readValue(jsonParser, String.class);
        }
    }

    try {
        return (TextP) TextP.class.getMethod(predicate, String.class).invoke(null, value);
    } catch (final Exception e) {
        throw new IllegalStateException(e.getMessage(), e);
    }
}
 

@Override
public Double deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    if (jsonParser.getCurrentToken().isNumeric())
        return jsonParser.getDoubleValue();
    else  {
        final String numberText = jsonParser.getValueAsString();
        if ("NaN".equalsIgnoreCase(numberText))
            return Double.NaN;
        else if ("-Infinity".equals(numberText) || "-INF".equalsIgnoreCase(numberText))
            return Double.NEGATIVE_INFINITY;
        else if ("Infinity".equals(numberText) || "INF".equals(numberText))
            return Double.POSITIVE_INFINITY;
        else
            throw new IllegalStateException("Double value unexpected: " + numberText);
    }

}
 

@Override
public Path deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Path p = MutablePath.make();

    List<Object> labels = new ArrayList<>();
    List<Object> objects = new ArrayList<>();
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.LABELS)) {
            jsonParser.nextToken();
            labels = deserializationContext.readValue(jsonParser, List.class);
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.OBJECTS)) {
            jsonParser.nextToken();
            objects = deserializationContext.readValue(jsonParser, List.class);
        }
    }

    for (int i = 0; i < objects.size(); i++) {
        p.extend(objects.get(i), (Set<String>) labels.get(i));
    }

    return p;
}
 

@Override
public Property deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String key = null;
    Object value = null;
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.KEY)) {
            jsonParser.nextToken();
            key = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            value = deserializationContext.readValue(jsonParser, Object.class);
        }
    }

    return new DetachedProperty<>(key, value);
}
 

public void ser(final ResponseMessage responseMessage, final JsonGenerator jsonGenerator,
                final SerializerProvider serializerProvider,
                final TypeSerializer typeSerializer) throws IOException, JsonProcessingException {
    jsonGenerator.writeStartObject();
    if (typeSerializer != null) jsonGenerator.writeStringField(GraphSONTokens.CLASS, HashMap.class.getName());

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

    if (typeSerializer != null) jsonGenerator.writeStringField(GraphSONTokens.CLASS, HashMap.class.getName());
    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());
    jsonGenerator.writeEndObject();

    jsonGenerator.writeObjectFieldStart(SerTokens.TOKEN_RESULT);
    if (typeSerializer != null) jsonGenerator.writeStringField(GraphSONTokens.CLASS, HashMap.class.getName());
    if (null == responseMessage.getResult().getData())
        jsonGenerator.writeNullField(SerTokens.TOKEN_DATA);
    else
        GraphSONUtil.writeWithType(SerTokens.TOKEN_DATA, responseMessage.getResult().getData(), jsonGenerator, serializerProvider, typeSerializer);
    jsonGenerator.writeObjectField(SerTokens.TOKEN_META, responseMessage.getResult().getMeta());
    jsonGenerator.writeEndObject();

    jsonGenerator.writeEndObject();
}
 

@Override
public TinkerGraph deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Configuration conf = new BaseConfiguration();
    conf.setProperty("gremlin.tinkergraph.defaultVertexPropertyCardinality", "list");
    final TinkerGraph graph = TinkerGraph.open(conf);

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals("vertices")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedVertex v = (DetachedVertex) deserializationContext.readValue(jsonParser, Vertex.class);
                    v.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        } else if (jsonParser.getCurrentName().equals("edges")) {
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                if (jsonParser.currentToken() == JsonToken.START_OBJECT) {
                    final DetachedEdge e = (DetachedEdge) deserializationContext.readValue(jsonParser, Edge.class);
                    e.attach(Attachable.Method.getOrCreate(graph));
                }
            }
        }
    }

    return graph;
}
 

public Vertex deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final DetachedVertex.Builder v = DetachedVertex.build();
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.ID)) {
            jsonParser.nextToken();
            v.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.LABEL)) {
            jsonParser.nextToken();
            v.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.PROPERTIES)) {
            jsonParser.nextToken();
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                jsonParser.nextToken();
                while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                    v.addProperty((DetachedVertexProperty) deserializationContext.readValue(jsonParser, VertexProperty.class));
                }
            }
        }
    }

    return v.create();
}
 

@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 Lambda deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    String script = null;
    String language = null;
    int arguments = -1;

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.SCRIPT)) {
            jsonParser.nextToken();
            script = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.LANGUAGE)) {
            jsonParser.nextToken();
            language = jsonParser.getText();
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.ARGUMENTS)) {
            jsonParser.nextToken();
            arguments = jsonParser.getIntValue();
        }
    }

    if (-1 == arguments || arguments > 2)
        return new Lambda.UnknownArgLambda(script, language, arguments);
    else if (0 == arguments)
        return new Lambda.ZeroArgLambda<>(script, language);
    else if (1 == arguments)
        return new Lambda.OneArgLambda<>(script, language);
    else
        return new Lambda.TwoArgLambda<>(script, language);
}
 

@Override
public Edge deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final DetachedEdge.Builder e = DetachedEdge.build();
    final DetachedVertex.Builder inV = DetachedVertex.build();
    final DetachedVertex.Builder outV = DetachedVertex.build();
    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.ID)) {
            jsonParser.nextToken();
            e.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.LABEL)) {
            jsonParser.nextToken();
            e.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.OUT)) {
            jsonParser.nextToken();
            outV.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.OUT_LABEL)) {
            jsonParser.nextToken();
            outV.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.IN)) {
            jsonParser.nextToken();
            inV.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.IN_LABEL)) {
            jsonParser.nextToken();
            inV.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.PROPERTIES)) {
            jsonParser.nextToken();
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                jsonParser.nextToken();
                e.addProperty(deserializationContext.readValue(jsonParser, Property.class));
            }
        }
    }

    e.setInV(inV.create());
    e.setOutV(outV.create());

    return e.create();
}
 

@Override
public VertexProperty deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final DetachedVertexProperty.Builder vp = DetachedVertexProperty.build();

    while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
        if (jsonParser.getCurrentName().equals(GraphSONTokens.ID)) {
            jsonParser.nextToken();
            vp.setId(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.LABEL)) {
            jsonParser.nextToken();
            vp.setLabel(jsonParser.getText());
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.VALUE)) {
            jsonParser.nextToken();
            vp.setValue(deserializationContext.readValue(jsonParser, Object.class));
        } else if (jsonParser.getCurrentName().equals(GraphSONTokens.PROPERTIES)) {
            jsonParser.nextToken();
            while (jsonParser.nextToken() != JsonToken.END_OBJECT) {
                final String key = jsonParser.getCurrentName();
                jsonParser.nextToken();
                final Object val = deserializationContext.readValue(jsonParser, Object.class);
                vp.addProperty(new DetachedProperty(key, val));
            }
        }
    }

    return vp.create();
}
 

@Override
public TraversalExplanation deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final Map<String, Object> explainData = deserializationContext.readValue(jsonParser, Map.class);
    final String originalTraversal = explainData.get(GraphSONTokens.ORIGINAL).toString();
    final List<Triplet<String, String, String>> intermediates = new ArrayList<>();
    final List<Map<String,Object>> listMap = (List<Map<String,Object>>) explainData.get(GraphSONTokens.INTERMEDIATE);
    for (Map<String,Object> m : listMap) {
        intermediates.add(Triplet.with(m.get(GraphSONTokens.STRATEGY).toString(),
                m.get(GraphSONTokens.CATEGORY).toString(),
                m.get(GraphSONTokens.TRAVERSAL).toString()));
    }

    return new ImmutableExplanation(originalTraversal, intermediates);
}
 

@Override
public Tree deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    final List<Map> data = deserializationContext.readValue(jsonParser, List.class);
    final Tree t = new Tree();
    for (Map<String, Object> entry : data) {
        t.put(entry.get(GraphSONTokens.KEY), entry.get(GraphSONTokens.VALUE));
    }
    return t;
}
 

@Override
public RelationIdentifier deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {
    if (!jsonParser.getText().equals(FIELD_RELATION_ID)) throw new IOException(String.format("Invalid serialization format for %s", RelationIdentifier.class));
    final RelationIdentifier ri = RelationIdentifier.parse(jsonParser.nextTextValue());
    jsonParser.nextToken();
    return ri;
}
 

@Override
public BulkSet deserialize(final JsonParser jsonParser, final DeserializationContext deserializationContext) throws IOException, JsonProcessingException {

    final BulkSet<Object> bulkSet = new BulkSet<>();

    while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
        final Object key = deserializationContext.readValue(jsonParser, Object.class);
        jsonParser.nextToken();
        final Long val = deserializationContext.readValue(jsonParser, Long.class);
        bulkSet.add(key, val);
    }

    return bulkSet;
}
 

@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.
    typeSerializer.writeTypePrefixForScalar(customId, jsonGenerator);
    final Map<String, Object> m = new HashMap<>();
    m.put("cluster", customId.getCluster());
    m.put("elementId", customId.getElementId());
    jsonGenerator.writeObject(m);
    typeSerializer.writeTypeSuffixForScalar(customId, jsonGenerator);
}
 

@Override
public void serializeWithType(final RelationIdentifier relationIdentifier, final JsonGenerator jsonGenerator,
                              final SerializerProvider serializerProvider, final TypeSerializer typeSerializer) throws IOException, JsonProcessingException {
    jsonGenerator.writeStartObject();
    jsonGenerator.writeStringField(GraphSONTokens.CLASS, RelationIdentifier.class.getName());
    jsonGenerator.writeStringField(FIELD_RELATION_ID, relationIdentifier.toString());
    jsonGenerator.writeEndObject();
}