aws_sdk_omics/operation/
list_runs.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Orchestration and serialization glue logic for `ListRuns`.
3#[derive(::std::clone::Clone, ::std::default::Default, ::std::fmt::Debug)]
4#[non_exhaustive]
5pub struct ListRuns;
6impl ListRuns {
7    /// Creates a new `ListRuns`
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_runs::ListRunsInput,
14    ) -> ::std::result::Result<
15        crate::operation::list_runs::ListRunsOutput,
16        ::aws_smithy_runtime_api::client::result::SdkError<
17            crate::operation::list_runs::ListRunsError,
18            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
19        >,
20    > {
21        let map_err =
22            |err: ::aws_smithy_runtime_api::client::result::SdkError<
23                ::aws_smithy_runtime_api::client::interceptors::context::Error,
24                ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
25            >| { err.map_service_error(|err| err.downcast::<crate::operation::list_runs::ListRunsError>().expect("correct error type")) };
26        let context = Self::orchestrate_with_stop_point(runtime_plugins, input, ::aws_smithy_runtime::client::orchestrator::StopPoint::None)
27            .await
28            .map_err(map_err)?;
29        let output = context.finalize().map_err(map_err)?;
30        ::std::result::Result::Ok(
31            output
32                .downcast::<crate::operation::list_runs::ListRunsOutput>()
33                .expect("correct output type"),
34        )
35    }
36
37    pub(crate) async fn orchestrate_with_stop_point(
38        runtime_plugins: &::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
39        input: crate::operation::list_runs::ListRunsInput,
40        stop_point: ::aws_smithy_runtime::client::orchestrator::StopPoint,
41    ) -> ::std::result::Result<
42        ::aws_smithy_runtime_api::client::interceptors::context::InterceptorContext,
43        ::aws_smithy_runtime_api::client::result::SdkError<
44            ::aws_smithy_runtime_api::client::interceptors::context::Error,
45            ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
46        >,
47    > {
48        let input = ::aws_smithy_runtime_api::client::interceptors::context::Input::erase(input);
49        use ::tracing::Instrument;
50        ::aws_smithy_runtime::client::orchestrator::invoke_with_stop_point("Omics", "ListRuns", input, runtime_plugins, stop_point)
51            // Create a parent span for the entire operation. Includes a random, internal-only,
52            // seven-digit ID for the operation orchestration so that it can be correlated in the logs.
53            .instrument(::tracing::debug_span!(
54                "Omics.ListRuns",
55                "rpc.service" = "Omics",
56                "rpc.method" = "ListRuns",
57                "sdk_invocation_id" = ::fastrand::u32(1_000_000..10_000_000),
58                "rpc.system" = "aws-api",
59            ))
60            .await
61    }
62
63    pub(crate) fn operation_runtime_plugins(
64        client_runtime_plugins: ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins,
65        client_config: &crate::config::Config,
66        config_override: ::std::option::Option<crate::config::Builder>,
67    ) -> ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugins {
68        let mut runtime_plugins = client_runtime_plugins.with_operation_plugin(Self::new());
69
70        if let ::std::option::Option::Some(config_override) = config_override {
71            for plugin in config_override.runtime_plugins.iter().cloned() {
72                runtime_plugins = runtime_plugins.with_operation_plugin(plugin);
73            }
74            runtime_plugins = runtime_plugins.with_operation_plugin(crate::config::ConfigOverrideRuntimePlugin::new(
75                config_override,
76                client_config.config.clone(),
77                &client_config.runtime_components,
78            ));
79        }
80        runtime_plugins
81    }
82}
83impl ::aws_smithy_runtime_api::client::runtime_plugin::RuntimePlugin for ListRuns {
84    fn config(&self) -> ::std::option::Option<::aws_smithy_types::config_bag::FrozenLayer> {
85        let mut cfg = ::aws_smithy_types::config_bag::Layer::new("ListRuns");
86
87        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedRequestSerializer::new(
88            ListRunsRequestSerializer,
89        ));
90        cfg.store_put(::aws_smithy_runtime_api::client::ser_de::SharedResponseDeserializer::new(
91            ListRunsResponseDeserializer,
92        ));
93
94        cfg.store_put(::aws_smithy_runtime_api::client::auth::AuthSchemeOptionResolverParams::new(
95            crate::config::auth::Params::builder()
96                .operation_name("ListRuns")
97                .build()
98                .expect("required fields set"),
99        ));
100
101        cfg.store_put(::aws_smithy_runtime_api::client::orchestrator::Metadata::new("ListRuns", "Omics"));
102        let mut signing_options = ::aws_runtime::auth::SigningOptions::default();
103        signing_options.double_uri_encode = true;
104        signing_options.content_sha256_header = false;
105        signing_options.normalize_uri_path = true;
106        signing_options.payload_override = None;
107
108        cfg.store_put(::aws_runtime::auth::SigV4OperationSigningConfig {
109            signing_options,
110            ..::std::default::Default::default()
111        });
112
113        ::std::option::Option::Some(cfg.freeze())
114    }
115
116    fn runtime_components(
117        &self,
118        _: &::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder,
119    ) -> ::std::borrow::Cow<'_, ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder> {
120        #[allow(unused_mut)]
121        let mut rcb = ::aws_smithy_runtime_api::client::runtime_components::RuntimeComponentsBuilder::new("ListRuns")
122            .with_interceptor(::aws_smithy_runtime::client::stalled_stream_protection::StalledStreamProtectionInterceptor::default())
123            .with_interceptor(ListRunsEndpointParamsInterceptor)
124            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::TransientErrorClassifier::<
125                crate::operation::list_runs::ListRunsError,
126            >::new())
127            .with_retry_classifier(::aws_smithy_runtime::client::retries::classifiers::ModeledAsRetryableClassifier::<
128                crate::operation::list_runs::ListRunsError,
129            >::new())
130            .with_retry_classifier(::aws_runtime::retries::classifiers::AwsErrorCodeClassifier::<
131                crate::operation::list_runs::ListRunsError,
132            >::new());
133
134        ::std::borrow::Cow::Owned(rcb)
135    }
136}
137
138#[derive(Debug)]
139struct ListRunsResponseDeserializer;
140impl ::aws_smithy_runtime_api::client::ser_de::DeserializeResponse for ListRunsResponseDeserializer {
141    fn deserialize_nonstreaming(
142        &self,
143        response: &::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
144    ) -> ::aws_smithy_runtime_api::client::interceptors::context::OutputOrError {
145        let (success, status) = (response.status().is_success(), response.status().as_u16());
146        let headers = response.headers();
147        let body = response.body().bytes().expect("body loaded");
148        #[allow(unused_mut)]
149        let mut force_error = false;
150        ::tracing::debug!(request_id = ?::aws_types::request_id::RequestId::request_id(response));
151        let parse_result = if !success && status != 200 || force_error {
152            crate::protocol_serde::shape_list_runs::de_list_runs_http_error(status, headers, body)
153        } else {
154            crate::protocol_serde::shape_list_runs::de_list_runs_http_response(status, headers, body)
155        };
156        crate::protocol_serde::type_erase_result(parse_result)
157    }
158}
159#[derive(Debug)]
160struct ListRunsRequestSerializer;
161impl ::aws_smithy_runtime_api::client::ser_de::SerializeRequest for ListRunsRequestSerializer {
162    #[allow(unused_mut, clippy::let_and_return, clippy::needless_borrow, clippy::useless_conversion)]
163    fn serialize_input(
164        &self,
165        input: ::aws_smithy_runtime_api::client::interceptors::context::Input,
166        _cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
167    ) -> ::std::result::Result<::aws_smithy_runtime_api::client::orchestrator::HttpRequest, ::aws_smithy_runtime_api::box_error::BoxError> {
168        let input = input.downcast::<crate::operation::list_runs::ListRunsInput>().expect("correct type");
169        let _header_serialization_settings = _cfg
170            .load::<crate::serialization_settings::HeaderSerializationSettings>()
171            .cloned()
172            .unwrap_or_default();
173        let mut request_builder = {
174            fn uri_base(
175                _input: &crate::operation::list_runs::ListRunsInput,
176                output: &mut ::std::string::String,
177            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
178                use ::std::fmt::Write as _;
179                ::std::write!(output, "/run").expect("formatting should succeed");
180                ::std::result::Result::Ok(())
181            }
182            fn uri_query(
183                _input: &crate::operation::list_runs::ListRunsInput,
184                mut output: &mut ::std::string::String,
185            ) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::BuildError> {
186                let mut query = ::aws_smithy_http::query::Writer::new(output);
187                if let ::std::option::Option::Some(inner_1) = &_input.name {
188                    {
189                        query.push_kv("name", &::aws_smithy_http::query::fmt_string(inner_1));
190                    }
191                }
192                if let ::std::option::Option::Some(inner_2) = &_input.run_group_id {
193                    {
194                        query.push_kv("runGroupId", &::aws_smithy_http::query::fmt_string(inner_2));
195                    }
196                }
197                if let ::std::option::Option::Some(inner_3) = &_input.starting_token {
198                    {
199                        query.push_kv("startingToken", &::aws_smithy_http::query::fmt_string(inner_3));
200                    }
201                }
202                if let ::std::option::Option::Some(inner_4) = &_input.max_results {
203                    {
204                        query.push_kv("maxResults", ::aws_smithy_types::primitive::Encoder::from(*inner_4).encode());
205                    }
206                }
207                if let ::std::option::Option::Some(inner_5) = &_input.status {
208                    {
209                        query.push_kv("status", &::aws_smithy_http::query::fmt_string(inner_5));
210                    }
211                }
212                ::std::result::Result::Ok(())
213            }
214            #[allow(clippy::unnecessary_wraps)]
215            fn update_http_builder(
216                input: &crate::operation::list_runs::ListRunsInput,
217                builder: ::http::request::Builder,
218            ) -> ::std::result::Result<::http::request::Builder, ::aws_smithy_types::error::operation::BuildError> {
219                let mut uri = ::std::string::String::new();
220                uri_base(input, &mut uri)?;
221                uri_query(input, &mut uri)?;
222                ::std::result::Result::Ok(builder.method("GET").uri(uri))
223            }
224            let mut builder = update_http_builder(&input, ::http::request::Builder::new())?;
225            builder
226        };
227        let body = ::aws_smithy_types::body::SdkBody::from("");
228
229        ::std::result::Result::Ok(request_builder.body(body).expect("valid request").try_into().unwrap())
230    }
231}
232#[derive(Debug)]
233struct ListRunsEndpointParamsInterceptor;
234
235impl ::aws_smithy_runtime_api::client::interceptors::Intercept for ListRunsEndpointParamsInterceptor {
236    fn name(&self) -> &'static str {
237        "ListRunsEndpointParamsInterceptor"
238    }
239
240    fn read_before_execution(
241        &self,
242        context: &::aws_smithy_runtime_api::client::interceptors::context::BeforeSerializationInterceptorContextRef<
243            '_,
244            ::aws_smithy_runtime_api::client::interceptors::context::Input,
245            ::aws_smithy_runtime_api::client::interceptors::context::Output,
246            ::aws_smithy_runtime_api::client::interceptors::context::Error,
247        >,
248        cfg: &mut ::aws_smithy_types::config_bag::ConfigBag,
249    ) -> ::std::result::Result<(), ::aws_smithy_runtime_api::box_error::BoxError> {
250        let _input = context
251            .input()
252            .downcast_ref::<ListRunsInput>()
253            .ok_or("failed to downcast to ListRunsInput")?;
254
255        let endpoint_prefix = ::aws_smithy_runtime_api::client::endpoint::EndpointPrefix::new("workflows-").map_err(|err| {
256            ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint prefix could not be built", err)
257        })?;
258        cfg.interceptor_state().store_put(endpoint_prefix);
259
260        let params = crate::config::endpoint::Params::builder()
261            .set_region(cfg.load::<::aws_types::region::Region>().map(|r| r.as_ref().to_owned()))
262            .set_use_dual_stack(cfg.load::<::aws_types::endpoint_config::UseDualStack>().map(|ty| ty.0))
263            .set_use_fips(cfg.load::<::aws_types::endpoint_config::UseFips>().map(|ty| ty.0))
264            .set_endpoint(cfg.load::<::aws_types::endpoint_config::EndpointUrl>().map(|ty| ty.0.clone()))
265            .build()
266            .map_err(|err| {
267                ::aws_smithy_runtime_api::client::interceptors::error::ContextAttachedError::new("endpoint params could not be built", err)
268            })?;
269        cfg.interceptor_state()
270            .store_put(::aws_smithy_runtime_api::client::endpoint::EndpointResolverParams::new(params));
271        ::std::result::Result::Ok(())
272    }
273}
274
275// The get_* functions below are generated from JMESPath expressions in the
276// operationContextParams trait. They target the operation's input shape.
277
278/// Error type for the `ListRunsError` operation.
279#[non_exhaustive]
280#[derive(::std::fmt::Debug)]
281pub enum ListRunsError {
282    /// <p>You do not have sufficient access to perform this action.</p>
283    AccessDeniedException(crate::types::error::AccessDeniedException),
284    /// <p>The request cannot be applied to the target resource in its current state.</p>
285    ConflictException(crate::types::error::ConflictException),
286    /// <p>An unexpected error occurred. Try the request again.</p>
287    InternalServerException(crate::types::error::InternalServerException),
288    /// <p>The request timed out.</p>
289    RequestTimeoutException(crate::types::error::RequestTimeoutException),
290    /// <p>The target resource was not found in the current Region.</p>
291    ResourceNotFoundException(crate::types::error::ResourceNotFoundException),
292    /// <p>The request exceeds a service quota.</p>
293    ServiceQuotaExceededException(crate::types::error::ServiceQuotaExceededException),
294    /// <p>The request was denied due to request throttling.</p>
295    ThrottlingException(crate::types::error::ThrottlingException),
296    /// <p>The input fails to satisfy the constraints specified by an AWS service.</p>
297    ValidationException(crate::types::error::ValidationException),
298    /// An unexpected error occurred (e.g., invalid JSON returned by the service or an unknown error code).
299    #[deprecated(note = "Matching `Unhandled` directly is not forwards compatible. Instead, match using a \
300    variable wildcard pattern and check `.code()`:
301     \
302    &nbsp;&nbsp;&nbsp;`err if err.code() == Some(\"SpecificExceptionCode\") => { /* handle the error */ }`
303     \
304    See [`ProvideErrorMetadata`](#impl-ProvideErrorMetadata-for-ListRunsError) for what information is available for the error.")]
305    Unhandled(crate::error::sealed_unhandled::Unhandled),
306}
307impl ListRunsError {
308    /// Creates the `ListRunsError::Unhandled` variant from any error type.
309    pub fn unhandled(
310        err: impl ::std::convert::Into<::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>>,
311    ) -> Self {
312        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
313            source: err.into(),
314            meta: ::std::default::Default::default(),
315        })
316    }
317
318    /// Creates the `ListRunsError::Unhandled` variant from an [`ErrorMetadata`](::aws_smithy_types::error::ErrorMetadata).
319    pub fn generic(err: ::aws_smithy_types::error::ErrorMetadata) -> Self {
320        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
321            source: err.clone().into(),
322            meta: err,
323        })
324    }
325    ///
326    /// Returns error metadata, which includes the error code, message,
327    /// request ID, and potentially additional information.
328    ///
329    pub fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
330        match self {
331            Self::AccessDeniedException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
332            Self::ConflictException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
333            Self::InternalServerException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
334            Self::RequestTimeoutException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
335            Self::ResourceNotFoundException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
336            Self::ServiceQuotaExceededException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
337            Self::ThrottlingException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
338            Self::ValidationException(e) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(e),
339            Self::Unhandled(e) => &e.meta,
340        }
341    }
342    /// Returns `true` if the error kind is `ListRunsError::AccessDeniedException`.
343    pub fn is_access_denied_exception(&self) -> bool {
344        matches!(self, Self::AccessDeniedException(_))
345    }
346    /// Returns `true` if the error kind is `ListRunsError::ConflictException`.
347    pub fn is_conflict_exception(&self) -> bool {
348        matches!(self, Self::ConflictException(_))
349    }
350    /// Returns `true` if the error kind is `ListRunsError::InternalServerException`.
351    pub fn is_internal_server_exception(&self) -> bool {
352        matches!(self, Self::InternalServerException(_))
353    }
354    /// Returns `true` if the error kind is `ListRunsError::RequestTimeoutException`.
355    pub fn is_request_timeout_exception(&self) -> bool {
356        matches!(self, Self::RequestTimeoutException(_))
357    }
358    /// Returns `true` if the error kind is `ListRunsError::ResourceNotFoundException`.
359    pub fn is_resource_not_found_exception(&self) -> bool {
360        matches!(self, Self::ResourceNotFoundException(_))
361    }
362    /// Returns `true` if the error kind is `ListRunsError::ServiceQuotaExceededException`.
363    pub fn is_service_quota_exceeded_exception(&self) -> bool {
364        matches!(self, Self::ServiceQuotaExceededException(_))
365    }
366    /// Returns `true` if the error kind is `ListRunsError::ThrottlingException`.
367    pub fn is_throttling_exception(&self) -> bool {
368        matches!(self, Self::ThrottlingException(_))
369    }
370    /// Returns `true` if the error kind is `ListRunsError::ValidationException`.
371    pub fn is_validation_exception(&self) -> bool {
372        matches!(self, Self::ValidationException(_))
373    }
374}
375impl ::std::error::Error for ListRunsError {
376    fn source(&self) -> ::std::option::Option<&(dyn ::std::error::Error + 'static)> {
377        match self {
378            Self::AccessDeniedException(_inner) => ::std::option::Option::Some(_inner),
379            Self::ConflictException(_inner) => ::std::option::Option::Some(_inner),
380            Self::InternalServerException(_inner) => ::std::option::Option::Some(_inner),
381            Self::RequestTimeoutException(_inner) => ::std::option::Option::Some(_inner),
382            Self::ResourceNotFoundException(_inner) => ::std::option::Option::Some(_inner),
383            Self::ServiceQuotaExceededException(_inner) => ::std::option::Option::Some(_inner),
384            Self::ThrottlingException(_inner) => ::std::option::Option::Some(_inner),
385            Self::ValidationException(_inner) => ::std::option::Option::Some(_inner),
386            Self::Unhandled(_inner) => ::std::option::Option::Some(&*_inner.source),
387        }
388    }
389}
390impl ::std::fmt::Display for ListRunsError {
391    fn fmt(&self, f: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
392        match self {
393            Self::AccessDeniedException(_inner) => _inner.fmt(f),
394            Self::ConflictException(_inner) => _inner.fmt(f),
395            Self::InternalServerException(_inner) => _inner.fmt(f),
396            Self::RequestTimeoutException(_inner) => _inner.fmt(f),
397            Self::ResourceNotFoundException(_inner) => _inner.fmt(f),
398            Self::ServiceQuotaExceededException(_inner) => _inner.fmt(f),
399            Self::ThrottlingException(_inner) => _inner.fmt(f),
400            Self::ValidationException(_inner) => _inner.fmt(f),
401            Self::Unhandled(_inner) => {
402                if let ::std::option::Option::Some(code) = ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self) {
403                    write!(f, "unhandled error ({code})")
404                } else {
405                    f.write_str("unhandled error")
406                }
407            }
408        }
409    }
410}
411impl ::aws_smithy_types::retry::ProvideErrorKind for ListRunsError {
412    fn code(&self) -> ::std::option::Option<&str> {
413        ::aws_smithy_types::error::metadata::ProvideErrorMetadata::code(self)
414    }
415    fn retryable_error_kind(&self) -> ::std::option::Option<::aws_smithy_types::retry::ErrorKind> {
416        match self {
417            Self::InternalServerException(inner) => ::std::option::Option::Some(inner.retryable_error_kind()),
418            Self::ThrottlingException(inner) => ::std::option::Option::Some(inner.retryable_error_kind()),
419            _ => ::std::option::Option::None,
420        }
421    }
422}
423impl ::aws_smithy_types::error::metadata::ProvideErrorMetadata for ListRunsError {
424    fn meta(&self) -> &::aws_smithy_types::error::ErrorMetadata {
425        match self {
426            Self::AccessDeniedException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
427            Self::ConflictException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
428            Self::InternalServerException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
429            Self::RequestTimeoutException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
430            Self::ResourceNotFoundException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
431            Self::ServiceQuotaExceededException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
432            Self::ThrottlingException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
433            Self::ValidationException(_inner) => ::aws_smithy_types::error::metadata::ProvideErrorMetadata::meta(_inner),
434            Self::Unhandled(_inner) => &_inner.meta,
435        }
436    }
437}
438impl ::aws_smithy_runtime_api::client::result::CreateUnhandledError for ListRunsError {
439    fn create_unhandled_error(
440        source: ::std::boxed::Box<dyn ::std::error::Error + ::std::marker::Send + ::std::marker::Sync + 'static>,
441        meta: ::std::option::Option<::aws_smithy_types::error::ErrorMetadata>,
442    ) -> Self {
443        Self::Unhandled(crate::error::sealed_unhandled::Unhandled {
444            source,
445            meta: meta.unwrap_or_default(),
446        })
447    }
448}
449impl ::aws_types::request_id::RequestId for crate::operation::list_runs::ListRunsError {
450    fn request_id(&self) -> Option<&str> {
451        self.meta().request_id()
452    }
453}
454
455pub use crate::operation::list_runs::_list_runs_output::ListRunsOutput;
456
457pub use crate::operation::list_runs::_list_runs_input::ListRunsInput;
458
459mod _list_runs_input;
460
461mod _list_runs_output;
462
463/// Builders
464pub mod builders;
465
466/// Paginator for this operation
467pub mod paginator;