// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
/// Paginator for [`ListObjectsV2`](crate::operation::ListObjectsV2)
pub struct ListObjectsV2Paginator {
handle: std::sync::Arc<crate::client::Handle>,
builder: crate::input::list_objects_v2_input::Builder,
stop_on_duplicate_token: bool,
}
impl ListObjectsV2Paginator {
/// Create a new paginator-wrapper
pub(crate) fn new(
handle: std::sync::Arc<crate::client::Handle>,
builder: crate::input::list_objects_v2_input::Builder,
) -> Self {
Self {
handle,
builder,
stop_on_duplicate_token: true,
}
}
/// Set the page size
///
/// _Note: this method will override any previously set value for `max_keys`_
pub fn page_size(mut self, limit: i32) -> Self {
self.builder.max_keys = Some(limit);
self
}
/// Stop paginating when the service returns the same pagination token twice in a row.
///
/// Defaults to true.
///
/// For certain operations, it may be useful to continue on duplicate token. For example,
/// if an operation is for tailing a log file in real-time, then continuing may be desired.
/// This option can be set to `false` to accommodate these use cases.
pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
self.stop_on_duplicate_token = stop_on_duplicate_token;
self
}
/// Create the pagination stream
///
/// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
pub fn send(
self,
) -> impl tokio_stream::Stream<
Item = std::result::Result<
crate::output::ListObjectsV2Output,
aws_smithy_http::result::SdkError<crate::error::ListObjectsV2Error>,
>,
> + Unpin {
// Move individual fields out of self for the borrow checker
let builder = self.builder;
let handle = self.handle;
aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
Box::pin(async move {
// Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
let mut input = match builder
.build()
.map_err(aws_smithy_http::result::SdkError::construction_failure)
{
Ok(input) => input,
Err(e) => {
let _ = tx.send(Err(e)).await;
return;
}
};
loop {
let op = match input
.make_operation(&handle.conf)
.await
.map_err(aws_smithy_http::result::SdkError::construction_failure)
{
Ok(op) => op,
Err(e) => {
let _ = tx.send(Err(e)).await;
return;
}
};
let resp = handle.client.call(op).await;
// If the input member is None or it was an error
let done = match resp {
Ok(ref resp) => {
let new_token = crate::lens::reflens_structure_crate_output_list_objects_v2_output_next_continuation_token(resp);
let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
if !is_empty
&& new_token == input.continuation_token.as_ref()
&& self.stop_on_duplicate_token
{
true
} else {
input.continuation_token = new_token.cloned();
is_empty
}
}
Err(_) => true,
};
if tx.send(resp).await.is_err() {
// receiving end was dropped
return;
}
if done {
return;
}
}
})
})
}
}
/// Paginator for [`ListParts`](crate::operation::ListParts)
pub struct ListPartsPaginator {
handle: std::sync::Arc<crate::client::Handle>,
builder: crate::input::list_parts_input::Builder,
stop_on_duplicate_token: bool,
}
impl ListPartsPaginator {
/// Create a new paginator-wrapper
pub(crate) fn new(
handle: std::sync::Arc<crate::client::Handle>,
builder: crate::input::list_parts_input::Builder,
) -> Self {
Self {
handle,
builder,
stop_on_duplicate_token: true,
}
}
/// Set the page size
///
/// _Note: this method will override any previously set value for `max_parts`_
pub fn page_size(mut self, limit: i32) -> Self {
self.builder.max_parts = Some(limit);
self
}
/// Create a flattened paginator
///
/// This paginator automatically flattens results using `parts`. Queries to the underlying service
/// are dispatched lazily.
pub fn items(self) -> crate::paginator::ListPartsPaginatorItems {
crate::paginator::ListPartsPaginatorItems(self)
}
/// Stop paginating when the service returns the same pagination token twice in a row.
///
/// Defaults to true.
///
/// For certain operations, it may be useful to continue on duplicate token. For example,
/// if an operation is for tailing a log file in real-time, then continuing may be desired.
/// This option can be set to `false` to accommodate these use cases.
pub fn stop_on_duplicate_token(mut self, stop_on_duplicate_token: bool) -> Self {
self.stop_on_duplicate_token = stop_on_duplicate_token;
self
}
/// Create the pagination stream
///
/// _Note:_ No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next)).
pub fn send(
self,
) -> impl tokio_stream::Stream<
Item = std::result::Result<
crate::output::ListPartsOutput,
aws_smithy_http::result::SdkError<crate::error::ListPartsError>,
>,
> + Unpin {
// Move individual fields out of self for the borrow checker
let builder = self.builder;
let handle = self.handle;
aws_smithy_async::future::fn_stream::FnStream::new(move |tx| {
Box::pin(async move {
// Build the input for the first time. If required fields are missing, this is where we'll produce an early error.
let mut input = match builder
.build()
.map_err(aws_smithy_http::result::SdkError::construction_failure)
{
Ok(input) => input,
Err(e) => {
let _ = tx.send(Err(e)).await;
return;
}
};
loop {
let op = match input
.make_operation(&handle.conf)
.await
.map_err(aws_smithy_http::result::SdkError::construction_failure)
{
Ok(op) => op,
Err(e) => {
let _ = tx.send(Err(e)).await;
return;
}
};
let resp = handle.client.call(op).await;
// If the input member is None or it was an error
let done = match resp {
Ok(ref resp) => {
let new_token = crate::lens::reflens_structure_crate_output_list_parts_output_next_part_number_marker(resp);
let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
if !is_empty
&& new_token == input.part_number_marker.as_ref()
&& self.stop_on_duplicate_token
{
true
} else {
input.part_number_marker = new_token.cloned();
is_empty
}
}
Err(_) => true,
};
if tx.send(resp).await.is_err() {
// receiving end was dropped
return;
}
if done {
return;
}
}
})
})
}
}
/// Flattened paginator for `ListPartsPaginator`
///
/// This is created with [`.items()`](ListPartsPaginator::items)
pub struct ListPartsPaginatorItems(ListPartsPaginator);
impl ListPartsPaginatorItems {
/// Create the pagination stream
///
/// _Note: No requests will be dispatched until the stream is used (eg. with [`.next().await`](tokio_stream::StreamExt::next))._
///
/// To read the entirety of the paginator, use [`.collect::<Result<Vec<_>, _>()`](tokio_stream::StreamExt::collect).
pub fn send(
self,
) -> impl tokio_stream::Stream<
Item = std::result::Result<
crate::model::Part,
aws_smithy_http::result::SdkError<crate::error::ListPartsError>,
>,
> + Unpin {
aws_smithy_async::future::fn_stream::TryFlatMap::new(self.0.send()).flat_map(|page| {
crate::lens::lens_structure_crate_output_list_parts_output_parts(page)
.unwrap_or_default()
.into_iter()
})
}
}