Struct aws_sdk_emr::input::ListInstancesInput

source ·

#[non_exhaustive]
pub struct ListInstancesInput { /* private fields */ }

Expand description

This input determines which instances to list.

Implementations§

source §

impl ListInstancesInput

source

pub async fn make_operation(
&self,
_config: &Config
) -> Result<Operation<ListInstances, AwsResponseRetryClassifier>, BuildError>

Consumes the builder and constructs an Operation<ListInstances>

Examples found in repository ?

src/client.rs (line 3300)

        pub async fn customize(
            self,
        ) -> std::result::Result<
            crate::operation::customize::CustomizableOperation<
                crate::operation::ListInstances,
                aws_http::retry::AwsResponseRetryClassifier,
            >,
            aws_smithy_http::result::SdkError<crate::error::ListInstancesError>,
        > {
            let handle = self.handle.clone();
            let operation = self
                .inner
                .build()
                .map_err(aws_smithy_http::result::SdkError::construction_failure)?
                .make_operation(&handle.conf)
                .await
                .map_err(aws_smithy_http::result::SdkError::construction_failure)?;
            Ok(crate::operation::customize::CustomizableOperation { handle, operation })
        }

        /// Sends the request and returns the response.
        ///
        /// If an error occurs, an `SdkError` will be returned with additional details that
        /// can be matched against.
        ///
        /// By default, any retryable failures will be retried twice. Retry behavior
        /// is configurable with the [RetryConfig](aws_smithy_types::retry::RetryConfig), which can be
        /// set when configuring the client.
        pub async fn send(
            self,
        ) -> std::result::Result<
            crate::output::ListInstancesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListInstancesError>,
        > {
            let op = self
                .inner
                .build()
                .map_err(aws_smithy_http::result::SdkError::construction_failure)?
                .make_operation(&self.handle.conf)
                .await
                .map_err(aws_smithy_http::result::SdkError::construction_failure)?;
            self.handle.client.call(op).await
        }

More examples

Hide additional examples

src/paginator.rs (line 511)

    pub fn send(
        self,
    ) -> impl tokio_stream::Stream<
        Item = std::result::Result<
            crate::output::ListInstancesOutput,
            aws_smithy_http::result::SdkError<crate::error::ListInstancesError>,
        >,
    > + 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_instances_output_marker(resp);
                            let is_empty = new_token.map(|token| token.is_empty()).unwrap_or(true);
                            if !is_empty
                                && new_token == input.marker.as_ref()
                                && self.stop_on_duplicate_token
                            {
                                true
                            } else {
                                input.marker = new_token.cloned();
                                is_empty
                            }
                        }
                        Err(_) => true,
                    };
                    if tx.send(resp).await.is_err() {
                        // receiving end was dropped
                        return;
                    }
                    if done {
                        return;
                    }
                }
            })
        })
    }