/**
* Sends a signal to the specified resource with a success or failure status. You can use the
* SignalResource API in conjunction with a creation policy or update policy. AWS CloudFormation
* doesn't proceed with a stack creation or update until resources receive the required number of
* signals or the timeout period is exceeded. The SignalResource API is useful in cases where you
* want to send signals from anywhere other than an Amazon EC2 instance.
*
* @param signalResourceRequest The input for the <a>SignalResource</a> action.
* @sample AmazonCloudFormation.SignalResource
*/
@Override
public void signalResource(SignalResourceRequest signalResourceRequest) {
ExecutionContext executionContext = createExecutionContext(signalResourceRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<SignalResourceRequest> request = null;
Response<Void> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request =
new SignalResourceRequestMarshaller()
.marshall(super.beforeMarshalling(signalResourceRequest));
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
StaxResponseHandler<Void> responseHandler = new StaxResponseHandler<Void>(null);
invoke(request, responseHandler, executionContext);
} finally {
endClientExecution(awsRequestMetrics, request, response);
}
}
/**
* Validates a specified template.
*
* @param validateTemplateRequest The input for <a>ValidateTemplate</a> action.
* @return Result of the ValidateTemplate operation returned by the service.
* @sample AmazonCloudFormation.ValidateTemplate
*/
@Override
public ValidateTemplateResult validateTemplate(ValidateTemplateRequest validateTemplateRequest) {
ExecutionContext executionContext = createExecutionContext(validateTemplateRequest);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
awsRequestMetrics.startEvent(Field.ClientExecuteTime);
Request<ValidateTemplateRequest> request = null;
Response<ValidateTemplateResult> response = null;
try {
awsRequestMetrics.startEvent(Field.RequestMarshallTime);
try {
request =
new ValidateTemplateRequestMarshaller()
.marshall(super.beforeMarshalling(validateTemplateRequest));
// Binds the request metrics to the current request.
request.setAWSRequestMetrics(awsRequestMetrics);
} finally {
awsRequestMetrics.endEvent(Field.RequestMarshallTime);
}
StaxResponseHandler<ValidateTemplateResult> responseHandler =
new StaxResponseHandler<ValidateTemplateResult>(
new ValidateTemplateResultStaxUnmarshaller());
response = invoke(request, responseHandler, executionContext);
return response.getAwsResponse();
} finally {
endClientExecution(awsRequestMetrics, request, response);
}
}
private <X, Y extends AmazonWebServiceRequest> Response<X> invoke(
Request<Y> request,
HttpResponseHandler<AmazonWebServiceResponse<X>> responseHandler,
ExecutionContext executionContext) {
request.setEndpoint(endpoint);
request.setTimeOffset(timeOffset);
AWSRequestMetrics awsRequestMetrics = executionContext.getAwsRequestMetrics();
AWSCredentials credentials;
awsRequestMetrics.startEvent(Field.CredentialsRequestTime);
try {
credentials = awsCredentialsProvider.getCredentials();
} finally {
awsRequestMetrics.endEvent(Field.CredentialsRequestTime);
}
AmazonWebServiceRequest originalRequest = request.getOriginalRequest();
if (originalRequest != null && originalRequest.getRequestCredentials() != null) {
credentials = originalRequest.getRequestCredentials();
}
executionContext.setCredentials(credentials);
DefaultErrorResponseHandler errorResponseHandler =
new DefaultErrorResponseHandler(exceptionUnmarshallers);
return client.execute(request, responseHandler, errorResponseHandler, executionContext);
}