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@ -17,15 +17,20 @@
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"""Module java gateway, contain gateway behavior.""" |
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import contextlib |
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from logging import getLogger |
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from typing import Any, Optional |
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from py4j.java_collections import JavaMap |
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from py4j.java_gateway import GatewayParameters, JavaGateway |
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from py4j.protocol import Py4JError |
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from pydolphinscheduler import configuration |
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from pydolphinscheduler import __version__, configuration |
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from pydolphinscheduler.constants import JavaGatewayDefault |
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from pydolphinscheduler.exceptions import PyDSJavaGatewayException |
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logger = getLogger(__name__) |
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def launch_gateway( |
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address: Optional[str] = None, |
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@ -75,6 +80,22 @@ class JavaGate:
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auto_convert: Optional[bool] = True, |
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): |
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self.java_gateway = launch_gateway(address, port, auto_convert) |
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gateway_version = "unknown" |
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with contextlib.suppress(Py4JError): |
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# 1. Java gateway version is too old: doesn't have method 'getGatewayVersion()' |
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# 2. Error connecting to Java gateway |
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gateway_version = self.get_gateway_version() |
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if gateway_version != __version__: |
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logger.warning( |
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f"Using unmatched version of pydolphinscheduler (version {__version__}) " |
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f"and Java gateway (version {gateway_version}) may cause errors. " |
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"We strongly recommend you to find the matched version " |
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"(check: https://pypi.org/project/apache-dolphinscheduler)" |
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) |
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def get_gateway_version(self): |
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"""Get the java gateway version, expected to be equal with pydolphinscheduler.""" |
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return self.java_gateway.entry_point.getGatewayVersion() |
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def get_datasource_info(self, name: str): |
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"""Get datasource info through java gateway.""" |
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