Examples with EdgeTypeMapper com.alibaba.maxgraph.sdkcommon.schema.mapper.EdgeTypeMapper used on opensource projects

Example 1 with EdgeTypeMapper

use of com.alibaba.maxgraph.sdkcommon.schema.mapper.EdgeTypeMapper in project GraphScope by alibaba.

the class GraphSchemaMapper method parseFromJson.

public static GraphSchemaMapper parseFromJson(String schemaJson) {
    JSONObject jsonObject = JSONObject.parseObject(schemaJson);
    GraphSchemaMapper graphSchema = new GraphSchemaMapper();
    Integer version = jsonObject.getInteger("version");
    if (null != version) {
        graphSchema.version = version;
    } else {
        graphSchema.version = 0;
    }
    graphSchema.types = Lists.newArrayList();
    JSONArray typeArray = jsonObject.getJSONArray("types");
    for (int i = 0; i < typeArray.size(); i++) {
        JSONObject typeObject = typeArray.getJSONObject(i);
        String type = typeObject.getString("type");
        if (StringUtils.equals("VERTEX", StringUtils.upperCase(type))) {
            VertexTypeMapper vertexTypeMapper = typeObject.toJavaObject(VertexTypeMapper.class);
            graphSchema.types.add(vertexTypeMapper);
        } else {
            EdgeTypeMapper edgeTypeMapper = typeObject.toJavaObject(EdgeTypeMapper.class);
            graphSchema.types.add(edgeTypeMapper);
        }
    }
    return graphSchema;
}

Example 2 with EdgeTypeMapper

use of com.alibaba.maxgraph.sdkcommon.schema.mapper.EdgeTypeMapper in project GraphScope by alibaba.

the class GraphSchemaMapper method toGraphSchema.

public GraphSchema toGraphSchema() {
    DefaultGraphSchema graphSchema = new DefaultGraphSchema();
    Map<String, GraphVertex> vertexTypeMap = Maps.newHashMap();
    for (SchemaElementMapper elementMapper : this.types) {
        if (elementMapper instanceof VertexTypeMapper) {
            GraphVertex graphVertex = ((VertexTypeMapper) elementMapper).toVertexType();
            graphSchema.createVertexType(graphVertex);
            vertexTypeMap.put(graphVertex.getLabel(), graphVertex);
        }
    }
    for (SchemaElementMapper elementMapper : this.types) {
        if (elementMapper instanceof EdgeTypeMapper) {
            GraphEdge graphEdge = ((EdgeTypeMapper) elementMapper).toEdgeType(vertexTypeMap);
            graphSchema.createEdgeType(graphEdge);
        }
    }
    return graphSchema;
}