[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[[["\u003cp\u003eThe latest version available is 2.37.0-rc, with numerous older versions of the \u003ccode\u003ePollingPolicy\u003c/code\u003e class also listed, ranging from 2.36.0 down to 2.11.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePollingPolicy\u003c/code\u003e class provides an interface for defining rules for asynchronous repetitive calls, as can be understood by the description of it at the end.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eIsPermanentError\u003c/code\u003e function determines if a given \u003ccode\u003egrpc::Status\u003c/code\u003e or \u003ccode\u003eStatus\u003c/code\u003e represents an error that cannot be retried, as indicated in the function's description.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eOnFailure\u003c/code\u003e function handles RPC failures and returns a boolean indicating whether the operation should be retried or not.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eWaitPeriod\u003c/code\u003e function returns the duration to wait before retrying, measured in milliseconds.\u003c/p\u003e\n"]]],[],null,["# Class PollingPolicy (2.42.0-rc)\n\nVersion latestkeyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/bigtable/latest/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.41.0](/cpp/docs/reference/bigtable/2.41.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.40.0](/cpp/docs/reference/bigtable/2.40.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.39.0](/cpp/docs/reference/bigtable/2.39.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.38.0](/cpp/docs/reference/bigtable/2.38.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.37.0](/cpp/docs/reference/bigtable/2.37.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.36.0](/cpp/docs/reference/bigtable/2.36.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.35.0](/cpp/docs/reference/bigtable/2.35.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.34.0](/cpp/docs/reference/bigtable/2.34.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.33.0](/cpp/docs/reference/bigtable/2.33.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.32.0](/cpp/docs/reference/bigtable/2.32.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.31.0](/cpp/docs/reference/bigtable/2.31.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.30.0](/cpp/docs/reference/bigtable/2.30.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.29.0](/cpp/docs/reference/bigtable/2.29.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.28.0](/cpp/docs/reference/bigtable/2.28.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.27.0](/cpp/docs/reference/bigtable/2.27.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.26.0](/cpp/docs/reference/bigtable/2.26.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.25.1](/cpp/docs/reference/bigtable/2.25.1/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.24.0](/cpp/docs/reference/bigtable/2.24.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.23.0](/cpp/docs/reference/bigtable/2.23.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.22.1](/cpp/docs/reference/bigtable/2.22.1/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.21.0](/cpp/docs/reference/bigtable/2.21.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.20.0](/cpp/docs/reference/bigtable/2.20.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.19.0](/cpp/docs/reference/bigtable/2.19.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.18.0](/cpp/docs/reference/bigtable/2.18.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.17.0](/cpp/docs/reference/bigtable/2.17.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.16.0](/cpp/docs/reference/bigtable/2.16.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.15.1](/cpp/docs/reference/bigtable/2.15.1/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.14.0](/cpp/docs/reference/bigtable/2.14.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.13.0](/cpp/docs/reference/bigtable/2.13.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.12.0](/cpp/docs/reference/bigtable/2.12.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy)\n- [2.11.0](/cpp/docs/reference/bigtable/2.11.0/classgoogle_1_1cloud_1_1bigtable_1_1PollingPolicy) \nDefine the interface for providing asynchronous repetitive call rules.\n\nFunctions\n---------\n\n### clone() const\n\nReturn a new copy of this object. \nTypically implemented as \n\n return std::unique_ptr\u003cPollingPolicy\u003e(new Foo(*this));\n\n### Setup(grpc::ClientContext \\&)\n\n### virtual IsPermanentError(grpc::Status const \\&)\n\nReturn true if `status` represents a permanent error that cannot be retried. \nTODO(#2344): remove `grpc::Status` version.\n\n### IsPermanentError(Status const \\&)\n\nReturn true if `status` represents a permanent error that cannot be retried.\n\n### virtual OnFailure(grpc::Status const \\&)\n\nHandle an RPC failure. \nTODO(#2344): remove `grpc::Status` version.\n\n### OnFailure(Status const \\&)\n\nHandle an RPC failure.\n\n### Exhausted()\n\nReturn true if we cannot try again.\n\n### WaitPeriod()\n\nReturn for how long we should wait before trying again."]]
