flink-cdc-connect/flink-cdc-source-connectors/flink-cdc-base/src/main/java/org/apache/flink/cdc/connectors/base/source/assigner/AssignerStatus.java [154:172]:
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    public static AssignerStatus fromStatusCode(int statusCode) {
        switch (statusCode) {
            case 0:
                return INITIAL_ASSIGNING;
            case 1:
                return INITIAL_ASSIGNING_FINISHED;
            case 2:
                return NEWLY_ADDED_ASSIGNING;
            case 3:
                return NEWLY_ADDED_ASSIGNING_SNAPSHOT_FINISHED;
            case 4:
                return NEWLY_ADDED_ASSIGNING_FINISHED;
            default:
                throw new IllegalStateException(
                        format(
                                "Invalid status code %s,the valid code range is [0, 4]",
                                statusCode));
        }
    }
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flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/org/apache/flink/cdc/connectors/mysql/source/assigners/AssignerStatus.java [154:172]:
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    public static AssignerStatus fromStatusCode(int statusCode) {
        switch (statusCode) {
            case 0:
                return INITIAL_ASSIGNING;
            case 1:
                return INITIAL_ASSIGNING_FINISHED;
            case 2:
                return NEWLY_ADDED_ASSIGNING;
            case 3:
                return NEWLY_ADDED_ASSIGNING_SNAPSHOT_FINISHED;
            case 4:
                return NEWLY_ADDED_ASSIGNING_FINISHED;
            default:
                throw new IllegalStateException(
                        format(
                                "Invalid status code %s,the valid code range is [0, 4]",
                                statusCode));
        }
    }
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