Package io.awspring.cloud.sqs.operations

Class AbstractMessagingTemplate<S>

java.lang.Object

io.awspring.cloud.sqs.operations.AbstractMessagingTemplate<S>

Type Parameters:

S - the source message type for conversion

All Implemented Interfaces:

AsyncMessagingOperations, MessagingOperations

Direct Known Subclasses:

SqsTemplate

public abstract class AbstractMessagingTemplate<S>
extends Object
implements MessagingOperations, AsyncMessagingOperations

Base class for MessagingOperations

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	AbstractMessagingTemplate.AbstractMessagingTemplateOptions<O extends MessagingTemplateOptions<O>>	Base class for template options, to be extended by subclasses.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractMessagingTemplate(MessagingMessageConverter<S> messageConverter, AbstractMessagingTemplate.AbstractMessagingTemplateOptions<?> options)

Method Summary

Modifier and Type	Method	Description
protected <T> Message<T>	addAdditionalHeaders(Message<T> message, Map<String,Object> additionalHeaders)
protected Collection<Message<Object>>	addTypeToMessages(Collection<Message<?>> messages)
protected <T> List<Message<T>>	castFromCollection(Collection<Message<?>> msgs)
protected <T> Optional<Message<T>>	castFromOptional(Optional<Message<?>> optional)
protected abstract CompletableFuture<Void>	doAcknowledgeMessages(String endpointName, Collection<Message<?>> messages)
protected abstract CompletableFuture<Collection<S>>	doReceiveAsync(String endpointName, Duration pollTimeout, Integer maxNumberOfMessages, Map<String,Object> additionalHeaders)
protected abstract <T> CompletableFuture<SendResult<T>>	doSendAsync(String endpointName, S message, Message<T> originalMessage)
protected abstract <T> CompletableFuture<SendResult.Batch<T>>	doSendBatchAsync(String endpointName, Collection<S> messages, Collection<Message<T>> originalMessages)
protected <T> MessageConversionContext	getReceiveMessageConversionContext(String endpointName, Class<T> payloadClass)
protected <T> MessageConversionContext	getSendMessageConversionContext(Message<T> message)
protected abstract Map<String,Object>	handleAdditionalHeaders(Map<String,Object> additionalHeaders)
protected abstract Map<String,Object>	preProcessHeadersForReceive(String endpointToUse, Map<String,Object> additionalHeaders)
protected abstract <T> Message<T>	preProcessMessageForSend(String endpointToUse, Message<T> message)
protected abstract <T> Collection<Message<T>>	preProcessMessagesForSend(String endpointToUse, Collection<Message<T>> messages)
Optional<Message<?>>	receive()	Receive a message from the default queue with default settings.
<T> Optional<Message<T>>	receive(String queue, Class<T> payloadClass)	Receive a message from the provided queue and convert the payload to the provided class.
CompletableFuture<Optional<Message<?>>>	receiveAsync()	Receive a message from the default queue with default settings.
protected CompletableFuture<Optional<Message<?>>>	receiveAsync(String endpoint, Class<?> payloadClass, Duration pollTimeout, Map<String,Object> additionalHeaders)
<T> CompletableFuture<Optional<Message<T>>>	receiveAsync(String queue, Class<T> payloadClass)	Receive a message from the provided queue and convert the payload to the provided class.
Collection<Message<?>>	receiveMany()	Receive a batch of messages from the default queue with default settings.
<T> Collection<Message<T>>	receiveMany(String queue, Class<T> payloadClass)	Receive a batch of messages from the provided queue and convert the payloads to the provided class.
CompletableFuture<Collection<Message<?>>>	receiveManyAsync()	Receive a batch of messages from the default queue with default settings.
protected CompletableFuture<Collection<Message<?>>>	receiveManyAsync(String endpoint, Class<?> payloadClass, Duration pollTimeout, Integer maxNumberOfMessages, Map<String,Object> additionalHeaders)
<T> CompletableFuture<Collection<Message<T>>>	receiveManyAsync(String queue, Class<T> payloadClass)	Receive a batch of messages from the provided queue and convert the payloads to the provided class.
<T> SendResult<T>	send(String endpointName, Message<T> message)	Send the provided message along with its headers to the provided queue.
<T> SendResult<T>	send(String endpointName, T payload)	Send a message to the provided queue with the provided payload.
<T> SendResult<T>	send(T payload)	Send a Message to the default queue with the provided payload.
<T> CompletableFuture<SendResult<T>>	sendAsync(String endpointName, Message<T> message)	Send the provided message along with its headers to the provided queue.
<T> CompletableFuture<SendResult<T>>	sendAsync(String endpointName, T payload)	Send a message to the provided queue with the provided payload.
<T> CompletableFuture<SendResult<T>>	sendAsync(T payload)	Send a Message to the default queue with the provided payload.
<T> SendResult.Batch<T>	sendMany(String endpointName, Collection<Message<T>> messages)	Send the provided messages along with their headers to the provided queue.
<T> CompletableFuture<SendResult.Batch<T>>	sendManyAsync(String endpointName, Collection<Message<T>> messages)	Send the provided messages along with their headers to the provided queue.
protected <V> V	unwrapCompletionException(CompletableFuture<V> future)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AbstractMessagingTemplate

protected AbstractMessagingTemplate(MessagingMessageConverter<S> messageConverter,
 AbstractMessagingTemplate.AbstractMessagingTemplateOptions<?> options)

Method Details

receive

public Optional<Message<?>> receive()

Description copied from interface: MessagingOperations

Receive a message from the default queue with default settings.

Specified by:

receive in interface MessagingOperations

Returns:

the message or Optional.empty() if none is returned.

receive

public <T> Optional<Message<T>> receive(String queue,
 Class<T> payloadClass)

Description copied from interface: MessagingOperations

Receive a message from the provided queue and convert the payload to the provided class. If no message is returned after the default Duration, an Optional.empty() is returned.

Specified by:

receive in interface MessagingOperations

Parameters:

queue - the queue from which to receive the messages.

payloadClass - the class to which the payload should be converted to.

Returns:

the message or Optional.empty() if none is returned.

receiveMany

public Collection<Message<?>> receiveMany()

Description copied from interface: MessagingOperations

Receive a batch of messages from the default queue with default settings.

Specified by:

receiveMany in interface MessagingOperations

Returns:

The messages, or an empty collection if none is returned.

receiveMany

public <T> Collection<Message<T>> receiveMany(String queue,
 Class<T> payloadClass)

Description copied from interface: MessagingOperations

Receive a batch of messages from the provided queue and convert the payloads to the provided class. If no message is returned after the default Duration, an empty collection is returned.

Specified by:

receiveMany in interface MessagingOperations

Parameters:

queue - the queue from which to receive the messages.

payloadClass - the class to which the payloads should be converted to.

Returns:

The messages, or an empty collection if none is returned.

receiveAsync

public CompletableFuture<Optional<Message<?>>> receiveAsync()

Description copied from interface: AsyncMessagingOperations

Receive a message from the default queue with default settings.

Specified by:

receiveAsync in interface AsyncMessagingOperations

Returns:

a CompletableFuture to be completed with the message, or Optional.empty() if none is returned.

receiveAsync

public <T> CompletableFuture<Optional<Message<T>>> receiveAsync(String queue,
 Class<T> payloadClass)

Description copied from interface: AsyncMessagingOperations

Receive a message from the provided queue and convert the payload to the provided class. If no message is returned after the default Duration, an Optional.empty() is returned.

Specified by:

receiveAsync in interface AsyncMessagingOperations

Parameters:

queue - the queue from which to receive the messages.

payloadClass - the class to which the payload should be converted to.

Returns:

a CompletableFuture to be completed with the message, or Optional.empty() if none is returned.

castFromOptional

protected <T> Optional<Message<T>> castFromOptional(Optional<Message<?>> optional)

castFromCollection

protected <T> List<Message<T>> castFromCollection(Collection<Message<?>> msgs)

receiveAsync

protected CompletableFuture<Optional<Message<?>>> receiveAsync(@Nullable
 String endpoint,
 @Nullable
 Class<?> payloadClass,
 @Nullable
 Duration pollTimeout,
 @Nullable
 Map<String,Object> additionalHeaders)

receiveManyAsync

public CompletableFuture<Collection<Message<?>>> receiveManyAsync()

Description copied from interface: AsyncMessagingOperations

Receive a batch of messages from the default queue with default settings.

Specified by:

receiveManyAsync in interface AsyncMessagingOperations

Returns:

a CompletableFuture to be completed with the messages, or an empty collection if none is returned.

receiveManyAsync

public <T>
CompletableFuture<Collection<Message<T>>> receiveManyAsync(String queue,
 Class<T> payloadClass)

Description copied from interface: AsyncMessagingOperations

Receive a batch of messages from the provided queue and convert the payloads to the provided class. If no message is returned after the default Duration, an empty collection is returned.

Specified by:

receiveManyAsync in interface AsyncMessagingOperations

Parameters:

queue - the queue from which to receive the messages.

payloadClass - the class to which the payloads should be converted to.

Returns:

a CompletableFuture to be completed with the messages, or an empty collection if none is returned.

receiveManyAsync

protected CompletableFuture<Collection<Message<?>>> receiveManyAsync(@Nullable
 String endpoint,
 @Nullable
 Class<?> payloadClass,
 @Nullable
 Duration pollTimeout,
 @Nullable
 Integer maxNumberOfMessages,
 @Nullable
 Map<String,Object> additionalHeaders)

preProcessHeadersForReceive

protected abstract Map<String,Object> preProcessHeadersForReceive(String endpointToUse,
 Map<String,Object> additionalHeaders)

addAdditionalHeaders

protected <T> Message<T> addAdditionalHeaders(Message<T> message,
 Map<String,Object> additionalHeaders)

handleAdditionalHeaders

protected abstract Map<String,Object> handleAdditionalHeaders(Map<String,Object> additionalHeaders)

doAcknowledgeMessages

protected abstract CompletableFuture<Void> doAcknowledgeMessages(String endpointName,
 Collection<Message<?>> messages)

addTypeToMessages

protected Collection<Message<Object>> addTypeToMessages(Collection<Message<?>> messages)

doReceiveAsync

protected abstract CompletableFuture<Collection<S>> doReceiveAsync(String endpointName,
 Duration pollTimeout,
 Integer maxNumberOfMessages,
 Map<String,Object> additionalHeaders)

send

public <T> SendResult<T> send(T payload)

Description copied from interface: MessagingOperations

Send a Message to the default queue with the provided payload. The payload will be serialized if necessary.

Specified by:

send in interface MessagingOperations

Parameters:

payload - the payload to send.

Returns:

The message's UUID.

send

public <T> SendResult<T> send(@Nullable
 String endpointName,
 T payload)

Description copied from interface: MessagingOperations

Send a message to the provided queue with the provided payload. The payload will be serialized if necessary.

Specified by:

send in interface MessagingOperations

Parameters:

endpointName - the queue to send the message to.

payload - the payload to send.

Returns:

The message's UUID.

send

public <T> SendResult<T> send(@Nullable
 String endpointName,
 Message<T> message)

Description copied from interface: MessagingOperations

Send the provided message along with its headers to the provided queue. The payload will be serialized if necessary, and headers will be converted to the specific messaging system metadata types.

Specified by:

send in interface MessagingOperations

Parameters:

endpointName - the queue to send the message to.

message - the message to be sent.

Returns:

The message's UUID.

sendMany

public <T> SendResult.Batch<T> sendMany(@Nullable
 String endpointName,
 Collection<Message<T>> messages)

Description copied from interface: MessagingOperations

Send the provided messages along with their headers to the provided queue. The payloads will be serialized if necessary, and headers will be converted to the specific messaging system metadata types.

Specified by:

sendMany in interface MessagingOperations

Parameters:

endpointName - the queue to send the messages to.

messages - the messages to be sent.

Returns:

The message's UUID.

sendAsync

public <T> CompletableFuture<SendResult<T>> sendAsync(T payload)

Description copied from interface: AsyncMessagingOperations

Send a Message to the default queue with the provided payload. The payload will be serialized if necessary.

Specified by:

sendAsync in interface AsyncMessagingOperations

Parameters:

payload - the payload to send.

Returns:

a CompletableFuture to be completed with the message's UUID.

sendAsync

public <T> CompletableFuture<SendResult<T>> sendAsync(@Nullable
 String endpointName,
 T payload)

Description copied from interface: AsyncMessagingOperations

Send a message to the provided queue with the provided payload. The payload will be serialized if necessary.

Specified by:

sendAsync in interface AsyncMessagingOperations

Parameters:

endpointName - the queue to send the message to.

payload - the payload to send.

Returns:

a CompletableFuture to be completed with the message's UUID.

sendAsync

public <T> CompletableFuture<SendResult<T>> sendAsync(@Nullable
 String endpointName,
 Message<T> message)

Description copied from interface: AsyncMessagingOperations

Send the provided message along with its headers to the provided queue. The payload will be serialized if necessary, and headers will be converted to the specific messaging system metadata types.

Specified by:

sendAsync in interface AsyncMessagingOperations

Parameters:

endpointName - the queue to send the message to.

message - the message to be sent.

Returns:

a CompletableFuture to be completed with the message's UUID.

preProcessMessageForSend

protected abstract <T> Message<T> preProcessMessageForSend(String endpointToUse,
 Message<T> message)

sendManyAsync

public <T> CompletableFuture<SendResult.Batch<T>> sendManyAsync(@Nullable
 String endpointName,
 Collection<Message<T>> messages)

Description copied from interface: AsyncMessagingOperations

Send the provided messages along with their headers to the provided queue. The payloads will be serialized if necessary, and headers will be converted to the specific messaging system metadata types.

Specified by:

sendManyAsync in interface AsyncMessagingOperations

Parameters:

endpointName - the queue to send the messages to.

messages - the messages to be sent.

Returns:

a CompletableFuture to be completed with the message's UUID.

preProcessMessagesForSend

protected abstract <T> Collection<Message<T>> preProcessMessagesForSend(String endpointToUse,
 Collection<Message<T>> messages)

doSendAsync

protected abstract <T>
CompletableFuture<SendResult<T>> doSendAsync(String endpointName,
 S message,
 Message<T> originalMessage)

doSendBatchAsync

protected abstract <T>
CompletableFuture<SendResult.Batch<T>> doSendBatchAsync(String endpointName,
 Collection<S> messages,
 Collection<Message<T>> originalMessages)

getReceiveMessageConversionContext

@Nullable
protected <T> MessageConversionContext getReceiveMessageConversionContext(String endpointName,
 @Nullable
 Class<T> payloadClass)

getSendMessageConversionContext

@Nullable
protected <T> MessageConversionContext getSendMessageConversionContext(Message<T> message)

unwrapCompletionException

protected <V> V unwrapCompletionException(CompletableFuture<V> future)