aws_sdk_honeycode/operation/list_table_rows/
paginator.rs

1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/// Paginator for [`ListTableRows`](crate::operation::list_table_rows::ListTableRows)
3pub struct ListTableRowsPaginator {
4    handle: std::sync::Arc<crate::client::Handle>,
5    builder: crate::operation::list_table_rows::builders::ListTableRowsInputBuilder,
6    stop_on_duplicate_token: bool,
7}
8
9impl ListTableRowsPaginator {
10    /// Create a new paginator-wrapper
11    pub(crate) fn new(
12        handle: std::sync::Arc<crate::client::Handle>,
13        builder: crate::operation::list_table_rows::builders::ListTableRowsInputBuilder,
14    ) -> Self {
15        Self {
16            handle,
17            builder,
18            stop_on_duplicate_token: true,
19        }
20    }
21
22    /// Set the page size
23    ///
24    /// _Note: this method will override any previously set value for `max_results`_
25    pub fn page_size(mut self, limit: i32) -> Self {
26        self.builder.max_results = ::std::option::Option::Some(limit);
27        self
28    }
29
30    /// Create a flattened paginator
31    ///
32    /// This paginator automatically flattens results using `rows`. Queries to the underlying service
33    /// are dispatched lazily.
34    pub fn items(self) -> crate::operation::list_table_rows::paginator::ListTableRowsPaginatorItems {
35        crate::operation::list_table_rows::paginator::ListTableRowsPaginatorItems(self)
36    }
37
38    /// Stop paginating when the service returns the same pagination token twice in a row.
39    ///
40    /// Defaults to true.
41    ///
42    /// For certain operations, it may be useful to continue on duplicate token. For example,
43    /// if an operation is for tailing a log file in real-time, then continuing may be desired.
44    /// This option can be set to `false` to accommodate these use cases.
45    pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
46        self.stop_on_duplicate_token = stop_on_duplicate_token;
47        self
48    }
49
50    /// Create the pagination stream
51    ///
52    /// _Note:_ No requests will be dispatched until the stream is used
53    /// (e.g. with the [`.next().await`](aws_smithy_async::future::pagination_stream::PaginationStream::next) method).
54    pub fn send(
55        self,
56    ) -> ::aws_smithy_async::future::pagination_stream::PaginationStream<
57        ::std::result::Result<
58            crate::operation::list_table_rows::ListTableRowsOutput,
59            ::aws_smithy_runtime_api::client::result::SdkError<
60                crate::operation::list_table_rows::ListTableRowsError,
61                ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
62            >,
63        >,
64    > {
65        // Move individual fields out of self for the borrow checker
66        let builder = self.builder;
67        let handle = self.handle;
68        let runtime_plugins = crate::operation::list_table_rows::ListTableRows::operation_runtime_plugins(
69            handle.runtime_plugins.clone(),
70            &handle.conf,
71            ::std::option::Option::None,
72        );
73        ::aws_smithy_async::future::pagination_stream::PaginationStream::new(::aws_smithy_async::future::pagination_stream::fn_stream::FnStream::new(
74            move |tx| {
75                ::std::boxed::Box::pin(async move {
76                    // Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
77                    let mut input = match builder
78                        .build()
79                        .map_err(::aws_smithy_runtime_api::client::result::SdkError::construction_failure)
80                    {
81                        ::std::result::Result::Ok(input) => input,
82                        ::std::result::Result::Err(e) => {
83                            let _ = tx.send(::std::result::Result::Err(e)).await;
84                            return;
85                        }
86                    };
87                    loop {
88                        let resp = crate::operation::list_table_rows::ListTableRows::orchestrate(&runtime_plugins, input.clone()).await;
89                        // If the input member is None or it was an error
90                        let done = match resp {
91                            ::std::result::Result::Ok(ref resp) => {
92                                let new_token = crate::lens::reflens_list_table_rows_output_output_next_token(resp);
93                                let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
94                                if !is_empty && new_token == input.next_token.as_ref() && self.stop_on_duplicate_token {
95                                    true
96                                } else {
97                                    input.next_token = new_token.cloned();
98                                    is_empty
99                                }
100                            }
101                            ::std::result::Result::Err(_) => true,
102                        };
103                        if tx.send(resp).await.is_err() {
104                            // receiving end was dropped
105                            return;
106                        }
107                        if done {
108                            return;
109                        }
110                    }
111                })
112            },
113        ))
114    }
115}
116
117/// Flattened paginator for `ListTableRowsPaginator`
118///
119/// This is created with [`.items()`](ListTableRowsPaginator::items)
120pub struct ListTableRowsPaginatorItems(ListTableRowsPaginator);
121
122impl ListTableRowsPaginatorItems {
123    /// Create the pagination stream
124    ///
125    /// _Note_: No requests will be dispatched until the stream is used
126    /// (e.g. with the [`.next().await`](aws_smithy_async::future::pagination_stream::PaginationStream::next) method).
127    ///
128    /// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](aws_smithy_async::future::pagination_stream::PaginationStream::collect).
129    pub fn send(
130        self,
131    ) -> ::aws_smithy_async::future::pagination_stream::PaginationStream<
132        ::std::result::Result<
133            crate::types::TableRow,
134            ::aws_smithy_runtime_api::client::result::SdkError<
135                crate::operation::list_table_rows::ListTableRowsError,
136                ::aws_smithy_runtime_api::client::orchestrator::HttpResponse,
137            >,
138        >,
139    > {
140        ::aws_smithy_async::future::pagination_stream::TryFlatMap::new(self.0.send())
141            .flat_map(|page| crate::lens::lens_list_table_rows_output_output_rows(page).unwrap_or_default().into_iter())
142    }
143}
aws_sdk_honeycode/operation/list_table_rows/paginator.rs

aws_sdk_honeycode/operation/list_table_rows/
paginator.rs
