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

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 io.micronaut.context.ApplicationContextBuilder	newApplicationContextBuilder()

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

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>

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>