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aws_sdk_iotmanagedintegrations/operation/
list_cloud_connectors.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `ListCloudConnectors`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct ListCloudConnectors;
6impl ListCloudConnectors {
7    /// Creates a new `ListCloudConnectors`
8    pub fn new() -> Self {
9        Self
10    }
11    pub(crate) async fn orchestrate(
12        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
13        input: crate::operation::list_cloud_connectors::ListCloudConnectorsInput,
14    ) -> ::std::result::Result<
15        crate::operation::list_cloud_connectors::ListCloudConnectorsOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::list_cloud_connectors::ListCloudConnectorsError,
18            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
19        >,
20    > {
21        let map_err = |err: ::aws_smithy_runtime_api::client::result::SdkError<
22            ::aws_smithy_runtime_api::client::interceptors::context::Error,
23            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
24        >| {
25            err.map_service_error(|err| {
26                err.downcast::<crate::operation::list_cloud_connectors::ListCloudConnectorsError>()
27                    .expect("correct error type")
28            })
29        };
30        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
31            .await
32            .map_err(map_err)?;
33        let output = context.finalize().map_err(map_err)?;
34        ::std::result::Result::Ok(
35            output
36                .downcast::<crate::operation::list_cloud_connectors::ListCloudConnectorsOutput>()
37                .expect("correct output type"),
38        )
39    }
40
41    pub(crate) async fn orchestrate_with_stop_point(
42        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
43        input: crate::operation::list_cloud_connectors::ListCloudConnectorsInput,
44        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
45    ) -> ::std::result::Result<
46        ::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext,
47        ::aws_smithy_runtime_api::client::result::SdkError<
48            ::aws_smithy_runtime_api::client::interceptors::context::Error,
49            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
50        >,
51    > {
52        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
53        use ::tracing::Instrument;
54        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point(
55            "IoT Managed Integrations",
56            "ListCloudConnectors",
57            input,
58            runtime_plugins,
59            stop_point,
60        )
61        // Create a parent span for the entire operation. Includes a random, internal-only,
62        // seven-digit ID for the operation orchestration so that it can be correlated in the logs.
63        .instrument(::tracing::debug_span!(
64            "IoT Managed Integrations.ListCloudConnectors",
65            "rpc.service" = "IoT Managed Integrations",
66            "rpc.method" = "ListCloudConnectors",
67            "sdk_invocation_id" = ::fastrand::u32(1_000_000..10_000_000),
68            "rpc.system" = "aws-api",
69        ))
70        .await
71    }
72
73    pub(crate) fn operation_runtime_plugins(
74        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
75        client_config: &crate::config::Config,
76        config_override: ::std::option::Option<crate::config::Builder>,
77    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
78        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
79
80        if let ::std::option::Option::Some(config_override) = config_override {
81            for plugin in config_override.runtime_plugins.iter().cloned() {
82                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
83            }
84            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
85                config_override,
86                client_config.config.clone(),
87                &client_config.runtime_components,
88            ));
89        }
90        runtime_plugins
91    }
92}
93impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for ListCloudConnectors {
94    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
95        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("ListCloudConnectors");
96
97        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
98            ListCloudConnectorsRequestSerializer,
99        ));
100        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
101            ListCloudConnectorsResponseDeserializer,
102        ));
103
104        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
105            crate::config::auth::Params::builder()
106                .operation_name("ListCloudConnectors")
107                .build()
108                .expect("required fields set"),
109        ));
110
111        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new(
112            "ListCloudConnectors",
113            "IoT Managed Integrations",
114        ));
115        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
116        signing_options.double_uri_encode = true;
117        signing_options.content_sha256_header = false;
118        signing_options.normalize_uri_path = true;
119        signing_options.payload_override = None;
120
121        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
122            signing_options,
123            ..::std::default::Default::default()
124        });
125
126        ::std::option::Option::Some(cfg.freeze())
127    }
128
129    fn runtime_components(
130        &self,
131        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
132    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
133        #[allow(unused_mut)]
134        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("ListCloudConnectors")
135            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
136                ListCloudConnectorsTelemetryInputCaptureInterceptor,
137            ))
138            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
139                ::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default(),
140            ))
141            .with_interceptor(::aws_smithy_runtime_api::client::interceptors::SharedInterceptor::permanent(
142                ListCloudConnectorsEndpointParamsInterceptor,
143            ))
144            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
145                crate::operation::list_cloud_connectors::ListCloudConnectorsError,
146            >::new())
147            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
148                crate::operation::list_cloud_connectors::ListCloudConnectorsError,
149            >::new())
150            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
151                crate::operation::list_cloud_connectors::ListCloudConnectorsError,
152            >::new());
153
154        ::std::borrow::Cow::Owned(rcb)
155    }
156}
157
158#[derive(Debug)]
159struct ListCloudConnectorsTelemetryInputCaptureInterceptor;
160
161#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
162impl ::aws_smithy_runtime_api::client::interceptors::Intercept for ListCloudConnectorsTelemetryInputCaptureInterceptor {
163    fn name(&self) -> &'static str {
164        "ListCloudConnectorsTelemetryInputCaptureInterceptor"
165    }
166
167    fn read_before_execution(
168        &self,
169        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
170            '_,
171            ::aws_smithy_runtime_api::client::interceptors::context::Input,
172            ::aws_smithy_runtime_api::client::interceptors::context::Output,
173            ::aws_smithy_runtime_api::client::interceptors::context::Error,
174        >,
175        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
176    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
177        // Nothing to do unless the customer opted in by naming members to record.
178        let ::std::option::Option::Some(requested) = cfg
179            .load::<::aws_smithy_types::telemetry::RequestedTelemetryAttributes>()
180            .filter(|r| !r.is_empty())
181        else {
182            return ::std::result::Result::Ok(());
183        };
184
185        let ::std::option::Option::Some(input) = context.input().downcast_ref::<ListCloudConnectorsInput>() else {
186            // A mismatched input is not this interceptor's concern; skip quietly.
187            return ::std::result::Result::Ok(());
188        };
189
190        let mut captured = ::aws_smithy_types::telemetry::CapturedTelemetryAttributes::default();
191        if requested.should_capture("LambdaArn") {
192            if let ::std::option::Option::Some(value) = input.lambda_arn.as_deref() {
193                captured.insert("LambdaArn", value);
194            }
195        }
196        if requested.should_capture("NextToken") {
197            if let ::std::option::Option::Some(value) = input.next_token.as_deref() {
198                captured.insert("NextToken", value);
199            }
200        }
201
202        cfg.interceptor_state().store_put(captured);
203        ::std::result::Result::Ok(())
204    }
205}
206#[derive(Debug)]
207struct ListCloudConnectorsResponseDeserializer;
208impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for ListCloudConnectorsResponseDeserializer {
209    fn deserialize_nonstreaming_with_config(
210        &self,
211        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
212        _cfg: &::aws_smithy_types::config_bag::ConfigBag,
213    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
214        let (success, status) = (response.status().is_success(), response.status().as_u16());
215        let headers = response.headers();
216        let body = response.body().bytes().expect("body loaded");
217        #[allow(unused_mut)]
218        let mut force_error = false;
219        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
220        let parse_result = if !success && status != 200 || force_error {
221            crate::protocol_serde::shape_list_cloud_connectors::de_list_cloud_connectors_http_error(status, headers, body)
222        } else {
223            crate::protocol_serde::shape_list_cloud_connectors::de_list_cloud_connectors_http_response(status, headers, body)
224        };
225        crate::protocol_serde::type_erase_result(parse_result)
226    }
227}
228#[derive(Debug)]
229struct ListCloudConnectorsRequestSerializer;
230impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for ListCloudConnectorsRequestSerializer {
231    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
232    fn serialize_input(
233        &self,
234        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
235        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
236    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
237        let input = input
238            .downcast::<crate::operation::list_cloud_connectors::ListCloudConnectorsInput>()
239            .expect("correct type");
240        let _header_serialization_settings = _cfg
241            .load::<crate::serialization_settings::HeaderSerializationSettings>()
242            .cloned()
243            .unwrap_or_default();
244        let mut request_builder = {
245            #[allow(clippy::uninlined_format_args)]
246            fn uri_base(
247                _input: &crate::operation::list_cloud_connectors::ListCloudConnectorsInput,
248                output: &mut ::std::string::String,
249            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
250                use ::std::fmt::Write as _;
251                ::std::write!(output, "/cloud-connectors").expect("formatting should succeed");
252                ::std::result::Result::Ok(())
253            }
254            fn uri_query(
255                _input: &crate::operation::list_cloud_connectors::ListCloudConnectorsInput,
256                mut output: &mut ::std::string::String,
257            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
258                let mut query = ::aws_smithy_http::query::Writer::new(output);
259                if let ::std::option::Option::Some(inner_1) = &_input.r#type {
260                    {
261                        query.push_kv("Type", &::aws_smithy_http::query::fmt_string(inner_1.as_str()));
262                    }
263                }
264                if let ::std::option::Option::Some(inner_2) = &_input.lambda_arn {
265                    {
266                        query.push_kv("LambdaArn", &::aws_smithy_http::query::fmt_string(inner_2));
267                    }
268                }
269                if let ::std::option::Option::Some(inner_3) = &_input.max_results {
270                    {
271                        query.push_kv("MaxResults", ::aws_smithy_types::primitive::Encoder::from(*inner_3).encode());
272                    }
273                }
274                if let ::std::option::Option::Some(inner_4) = &_input.next_token {
275                    {
276                        query.push_kv("NextToken", &::aws_smithy_http::query::fmt_string(inner_4));
277                    }
278                }
279                ::std::result::Result::Ok(())
280            }
281            #[allow(clippy::unnecessary_wraps)]
282            fn update_http_builder(
283                input: &crate::operation::list_cloud_connectors::ListCloudConnectorsInput,
284                builder: ::http_1x::request::Builder,
285            ) -> ::std::result::Result<::http_1x::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
286                let mut uri = ::std::string::String::new();
287                uri_base(input, &mut uri)?;
288                uri_query(input, &mut uri)?;
289                ::std::result::Result::Ok(builder.method("GET").uri(uri))
290            }
291            let mut builder = update_http_builder(&input, ::http_1x::request::Builder::new())?;
292            builder
293        };
294        let body = ::aws_smithy_types::body::SdkBody::from("");
295
296        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
297    }
298}
299#[derive(Debug)]
300struct ListCloudConnectorsEndpointParamsInterceptor;
301
302#[::aws_smithy_runtime_api::client::interceptors::dyn_dispatch_hint]
303impl ::aws_smithy_runtime_api::client::interceptors::Intercept for ListCloudConnectorsEndpointParamsInterceptor {
304    fn name(&self) -> &'static str {
305        "ListCloudConnectorsEndpointParamsInterceptor"
306    }
307
308    fn read_before_execution(
309        &self,
310        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
311            '_,
312            ::aws_smithy_runtime_api::client::interceptors::context::Input,
313            ::aws_smithy_runtime_api::client::interceptors::context::Output,
314            ::aws_smithy_runtime_api::client::interceptors::context::Error,
315        >,
316        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
317    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
318        let _input = context
319            .input()
320            .downcast_ref::<ListCloudConnectorsInput>()
321            .ok_or("failed to downcast to ListCloudConnectorsInput")?;
322
323        let params = crate::config::endpoint::Params::builder()
324            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
325            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
326            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
327            .build()
328            .map_err(|err| {
329                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
330            })?;
331        cfg.interceptor_state()
332            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
333        ::std::result::Result::Ok(())
334    }
335}
336
337// The get_* functions below are generated from JMESPath expressions in the
338// operationContextParams trait. They target the operation's input shape.
339
340/// Error type for the `ListCloudConnectorsError` operation.
341#[non_exhaustive]
342#[derive(::std::fmt::Debug)]
343pub enum ListCloudConnectorsError {
344    /// <p>User is not authorized.</p>
345    AccessDeniedException(crate::types::error::AccessDeniedException),
346    /// <p>Internal error from the service that indicates an unexpected error or that the service is unavailable.</p>
347    InternalServerException(crate::types::error::InternalServerException),
348    /// <p>The rate exceeds the limit.</p>
349    ThrottlingException(crate::types::error::ThrottlingException),
350    /// <p>A validation error occurred when performing the API request.</p>
351    ValidationException(crate::types::error::ValidationException),
352    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
353    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
354    variable wildcard pattern and check `.code()`:
355     \
356    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
357     \
358    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-ListCloudConnectorsError) for what information is available for the error.")]
359    Unhandled(crate::error::sealed_unhandled::Unhandled),
360}
361impl ListCloudConnectorsError {
362    /// Creates the `ListCloudConnectorsError::Unhandled` variant from any error type.
363    pub fn unhandled(
364        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
365    ) -> Self {
366        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
367            source: err.into(),
368            meta: ::std::default::Default::default(),
369        })
370    }
371
372    /// Creates the `ListCloudConnectorsError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
373    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
374        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
375            source: err.clone().into(),
376            meta: err,
377        })
378    }
379    ///
380    /// Returns error metadata, which includes the error code, message,
381    /// request ID, and potentially additional information.
382    ///
383    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
384        match self {
385            Self::AccessDeniedException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
386            Self::InternalServerException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
387            Self::ThrottlingException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
388            Self::ValidationException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
389            Self::Unhandled(e) => &e.meta,
390        }
391    }
392    /// Returns `true` if the error kind is `ListCloudConnectorsError::AccessDeniedException`.
393    pub fn is_access_denied_exception(&self) -> bool {
394        matches!(self, Self::AccessDeniedException(_))
395    }
396    /// Returns `true` if the error kind is `ListCloudConnectorsError::InternalServerException`.
397    pub fn is_internal_server_exception(&self) -> bool {
398        matches!(self, Self::InternalServerException(_))
399    }
400    /// Returns `true` if the error kind is `ListCloudConnectorsError::ThrottlingException`.
401    pub fn is_throttling_exception(&self) -> bool {
402        matches!(self, Self::ThrottlingException(_))
403    }
404    /// Returns `true` if the error kind is `ListCloudConnectorsError::ValidationException`.
405    pub fn is_validation_exception(&self) -> bool {
406        matches!(self, Self::ValidationException(_))
407    }
408}
409impl ::std::error::Error for ListCloudConnectorsError {
410    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
411        match self {
412            Self::AccessDeniedException(_inner) => ::std::option::Option::Some(_inner),
413            Self::InternalServerException(_inner) => ::std::option::Option::Some(_inner),
414            Self::ThrottlingException(_inner) => ::std::option::Option::Some(_inner),
415            Self::ValidationException(_inner) => ::std::option::Option::Some(_inner),
416            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
417        }
418    }
419}
420impl ::std::fmt::Display for ListCloudConnectorsError {
421    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
422        match self {
423            Self::AccessDeniedException(_inner) => _inner.fmt(f),
424            Self::InternalServerException(_inner) => _inner.fmt(f),
425            Self::ThrottlingException(_inner) => _inner.fmt(f),
426            Self::ValidationException(_inner) => _inner.fmt(f),
427            Self::Unhandled(_inner) => {
428                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
429                    write!(f, "unhandled error ({code})")
430                } else {
431                    f.write_str("unhandled error")
432                }
433            }
434        }
435    }
436}
437impl ::aws_smithy_types::retry::ProvideErrorKind for ListCloudConnectorsError {
438    fn code(&self) -> ::std::option::Option<&str> {
439        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
440    }
441    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
442        ::std::option::Option::None
443    }
444}
445impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for ListCloudConnectorsError {
446    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
447        match self {
448            Self::AccessDeniedException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
449            Self::InternalServerException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
450            Self::ThrottlingException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
451            Self::ValidationException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
452            Self::Unhandled(_inner) => &_inner.meta,
453        }
454    }
455}
456impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for ListCloudConnectorsError {
457    fn create_unhandled_error(
458        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
459        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
460    ) -> Self {
461        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
462            source,
463            meta: meta.unwrap_or_default(),
464        })
465    }
466}
467impl ::aws_types::request_id::RequestId for crate::operation::list_cloud_connectors::ListCloudConnectorsError {
468    fn request_id(&self) -> Option<&str> {
469        self.meta().request_id()
470    }
471}
472
473pub use crate::operation::list_cloud_connectors::_list_cloud_connectors_input::ListCloudConnectorsInput;
474
475pub use crate::operation::list_cloud_connectors::_list_cloud_connectors_output::ListCloudConnectorsOutput;
476
477mod _list_cloud_connectors_input;
478
479mod _list_cloud_connectors_output;
480
481/// Builders
482pub mod builders;
483
484/// Paginator for this operation
485pub mod paginator;