Source code for tdw_catalog.metadata_template.linked_dataset

from typing import Optional
import tdw_catalog.dataset as dataset

from tdw_catalog.utils import MetadataFieldType
import tdw_catalog.metadata_template.field as field


class Field(field.MetadataTemplateField[dataset.Dataset]):
    """
    Connect :class:`.Dataset`\\ s together to indicate a semantic relation and/or increase discoverability

    Attributes
    ----------
    None
    """

    def __init__(self, key: str, default_value: Optional['dataset.Dataset'],
                 optional: Optional[bool]) -> None:
        super().__init__(key, default_value, optional)

    def serialize(self) -> dict:
        res = super().serialize()
        res["default_value"] = self.default_value.id if self.default_value is not None else None
        res["field_type"] = MetadataFieldType.FT_DATASET
        return res