io.micronaut.function.aws

Class MicronautRequestHandler<I,O>

java.lang.Object

io.micronaut.function.executor.AbstractExecutor<C>

io.micronaut.function.executor.AbstractFunctionExecutor<I,O,com.amazonaws.services.lambda.runtime.Context>

io.micronaut.function.aws.MicronautRequestHandler<I,O>

Type Parameters:

I - The request body type

O - The response body type

All Implemented Interfaces:

com.amazonaws.services.lambda.runtime.RequestHandler<I,O>, io.micronaut.context.ApplicationContextProvider, MicronautLambdaContext, io.micronaut.function.executor.FunctionExecutor<I,O>, java.io.Closeable, java.lang.AutoCloseable

public abstract class MicronautRequestHandler<I,O>
extends io.micronaut.function.executor.AbstractFunctionExecutor<I,O,com.amazonaws.services.lambda.runtime.Context>
implements com.amazonaws.services.lambda.runtime.RequestHandler<I,O>, MicronautLambdaContext

An Amazon Lambda RequestHandler implementation for Micronaut FunctionBean

.

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ENV_X_AMZN_TRACE_ID
static java.lang.String	LAMBDA_TRACE_HEADER_PROP
static java.lang.String	MDC_DEFAULT_AWS_REQUEST_ID Deprecated. Use the bena of type DiagnosticInfoPopulator instead.
static java.lang.String	MDC_DEFAULT_FUNCTION_ARN Deprecated. Use the bena of type DiagnosticInfoPopulator instead.
static java.lang.String	MDC_DEFAULT_FUNCTION_MEMORY_SIZE Deprecated. Use the bena of type DiagnosticInfoPopulator instead.
static java.lang.String	MDC_DEFAULT_FUNCTION_NAME Deprecated. Use the bena of type DiagnosticInfoPopulator instead.
static java.lang.String	MDC_DEFAULT_FUNCTION_REMAINING_TIME Deprecated. Use the bena of type DiagnosticInfoPopulator instead.
static java.lang.String	MDC_DEFAULT_FUNCTION_VERSION Deprecated. Use the bena of type DiagnosticInfoPopulator instead.
static java.lang.String	MDC_DEFAULT_XRAY_TRACE_ID Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

Fields inherited from class io.micronaut.function.executor.AbstractExecutor

applicationContext

Fields inherited from interface io.micronaut.function.aws.MicronautLambdaContext

ENVIRONMENT_LAMBDA

Constructor Summary

Constructors

Constructor and Description
MicronautRequestHandler() Default constructor; will initialize a suitable ApplicationContext for Lambda deployment.
MicronautRequestHandler(io.micronaut.context.ApplicationContext applicationContext) Constructor used to inject a preexisting ApplicationContext.
MicronautRequestHandler(io.micronaut.context.ApplicationContextBuilder applicationContextBuilder) Constructor used to inject a preexisting ApplicationContextBuilder.

Method Summary

Modifier and Type	Method and Description
protected io.micronaut.context.ApplicationContext	buildApplicationContext(com.amazonaws.services.lambda.runtime.Context context)
protected I	convertInput(java.lang.Object input) Converts the input the required type.
O	handleRequest(I input, com.amazonaws.services.lambda.runtime.Context context)
protected void	mdcput(java.lang.String key, java.lang.String val) Deprecated. Use DiagnosticInfoPopulator instead.
protected io.micronaut.context.ApplicationContextBuilder	newApplicationContextBuilder()
protected static java.util.Optional<java.lang.String>	parseXrayTraceId() Deprecated. Use XRayUtils.parseXrayTraceId() instead.
protected void	populateMappingDiagnosticContextValues(com.amazonaws.services.lambda.runtime.Context context) Deprecated. Use DiagnosticInfoPopulator instead.
protected void	populateMappingDiagnosticContextWithXrayTraceId() Deprecated. Use DiagnosticInfoPopulator instead.

Methods inherited from class io.micronaut.function.executor.AbstractExecutor

close, getApplicationContext, resolveFunction, resolveFunctionName, startEnvironment

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.function.executor.FunctionExecutor

execute

Field Detail

ENV_X_AMZN_TRACE_ID

public static final java.lang.String ENV_X_AMZN_TRACE_ID

See Also:

Constant Field Values

LAMBDA_TRACE_HEADER_PROP

public static final java.lang.String LAMBDA_TRACE_HEADER_PROP

See Also:

Constant Field Values

MDC_DEFAULT_AWS_REQUEST_ID

@Deprecated
public static final java.lang.String MDC_DEFAULT_AWS_REQUEST_ID

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

MDC_DEFAULT_FUNCTION_NAME

@Deprecated
public static final java.lang.String MDC_DEFAULT_FUNCTION_NAME

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

MDC_DEFAULT_FUNCTION_VERSION

@Deprecated
public static final java.lang.String MDC_DEFAULT_FUNCTION_VERSION

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

MDC_DEFAULT_FUNCTION_ARN

@Deprecated
public static final java.lang.String MDC_DEFAULT_FUNCTION_ARN

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

MDC_DEFAULT_FUNCTION_MEMORY_SIZE

@Deprecated
public static final java.lang.String MDC_DEFAULT_FUNCTION_MEMORY_SIZE

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

MDC_DEFAULT_FUNCTION_REMAINING_TIME

@Deprecated
public static final java.lang.String MDC_DEFAULT_FUNCTION_REMAINING_TIME

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

MDC_DEFAULT_XRAY_TRACE_ID

@Deprecated
public static final java.lang.String MDC_DEFAULT_XRAY_TRACE_ID

Deprecated. Use the bena of type DiagnosticInfoPopulator instead.

See Also:

Constant Field Values

Constructor Detail

MicronautRequestHandler

public MicronautRequestHandler()

Default constructor; will initialize a suitable ApplicationContext for Lambda deployment.

MicronautRequestHandler

public MicronautRequestHandler(io.micronaut.context.ApplicationContext applicationContext)

Constructor used to inject a preexisting ApplicationContext.

Parameters:

applicationContext - the application context

MicronautRequestHandler

public MicronautRequestHandler(io.micronaut.context.ApplicationContextBuilder applicationContextBuilder)

Constructor used to inject a preexisting ApplicationContextBuilder.

Parameters:

applicationContextBuilder - the application context builder

Method Detail

handleRequest

public final O handleRequest(I input,
                             com.amazonaws.services.lambda.runtime.Context context)

Specified by:

handleRequest in interface com.amazonaws.services.lambda.runtime.RequestHandler<I,O>

populateMappingDiagnosticContextValues

@Deprecated
protected void populateMappingDiagnosticContextValues(@NonNull
                                                                  com.amazonaws.services.lambda.runtime.Context context)

Deprecated. Use DiagnosticInfoPopulator instead.

Parameters:

context - The Lambda execution environment context object.

See Also:

AWS Lambda function logging in Java

mdcput

@Deprecated
protected void mdcput(@NonNull
                                  java.lang.String key,
                                  @NonNull
                                  java.lang.String val)
                           throws java.lang.IllegalArgumentException

Deprecated. Use DiagnosticInfoPopulator instead.

Put a diagnostic context value.

Parameters:

key - non-null key

val - value to put in the map

Throws:

java.lang.IllegalArgumentException - in case the "key" parameter is null

populateMappingDiagnosticContextWithXrayTraceId

@Deprecated
protected void populateMappingDiagnosticContextWithXrayTraceId()

Deprecated. Use DiagnosticInfoPopulator instead.

Populate MDC with XRay Trace ID if is able to parse it.

parseXrayTraceId

@NonNull
 @Deprecated
protected static java.util.Optional<java.lang.String> parseXrayTraceId()

Deprecated. Use XRayUtils.parseXrayTraceId() instead.

Parses XRay Trace ID from _X_AMZN_TRACE_ID environment variable.

Returns:

Trace id or empty if not found

See Also:

Trace ID injection into logs

convertInput

protected I convertInput(java.lang.Object input)

Converts the input the required type. Subclasses can override to provide custom conversion.

Parameters:

input - The input

Returns:

The converted input

Throws:

java.lang.IllegalArgumentException - If input cannot be converted

buildApplicationContext

protected io.micronaut.context.ApplicationContext buildApplicationContext(com.amazonaws.services.lambda.runtime.Context context)

Overrides:

buildApplicationContext in class io.micronaut.function.executor.AbstractExecutor<com.amazonaws.services.lambda.runtime.Context>

newApplicationContextBuilder

@NonNull
protected io.micronaut.context.ApplicationContextBuilder newApplicationContextBuilder()

Overrides:

newApplicationContextBuilder in class io.micronaut.function.executor.AbstractExecutor<com.amazonaws.services.lambda.runtime.Context>