Source code for airflow.providers.alibaba.cloud.links.maxcompute

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# to you under the Apache License, Version 2.0 (the
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

from typing import TYPE_CHECKING

from airflow.providers.alibaba.version_compat import AIRFLOW_V_3_0_PLUS

if TYPE_CHECKING:
    from airflow.models import BaseOperator
    from airflow.models.taskinstancekey import TaskInstanceKey
    from airflow.utils.context import Context

if AIRFLOW_V_3_0_PLUS:
    from airflow.sdk import BaseOperatorLink
    from airflow.sdk.execution_time.xcom import XCom
else:
    from airflow.models.baseoperatorlink import BaseOperatorLink  # type: ignore[no-redef]
    from airflow.models.xcom import XCom  # type: ignore[no-redef]



[docs]
class MaxComputeLogViewLink(BaseOperatorLink):
    """Helper class for constructing MaxCompute Log View Link."""


[docs]
    name = "MaxCompute Log View"


[docs]
    key = "maxcompute_log_view"



[docs]
    def get_link(
        self,
        operator: BaseOperator,
        *,
        ti_key: TaskInstanceKey,
    ) -> str:
        url = XCom.get_value(key=self.key, ti_key=ti_key)
        if not url:
            return ""

        return url


    @staticmethod

[docs]
    def persist(
        context: Context,
        task_instance: BaseOperator,
        log_view_url: str,
    ):
        """
        Persist the log view URL to XCom for later retrieval.

        :param context: The context of the task instance.
        :param task_instance: The task instance.
        :param log_view_url: The log view URL to persist.
        """
        task_instance.xcom_push(
            context,
            key=MaxComputeLogViewLink.key,
            value=log_view_url,
        )