Package com.networknt.aws.lambda.handler.middleware.router

Class LambdaRouterMiddleware

java.lang.Object

com.networknt.aws.lambda.handler.middleware.router.LambdaRouterMiddleware

All Implemented Interfaces:

LambdaHandler, MiddlewareHandler

public class LambdaRouterMiddleware
extends Object
implements MiddlewareHandler

This middleware is responsible for routing the incoming request to the external microservices.

Field Summary

Fields

Modifier and Type	Field	Description
static final com.networknt.router.RouterConfig	CONFIG
static final String	EXCHANGE_HAS_FAILED_STATE
static final String	FAILED_TO_INVOKE_SERVICE

Fields inherited from interface com.networknt.aws.lambda.handler.LambdaHandler

DISABLED_LAMBDA_HANDLER_RETURN, SUCCESS_LAMBDA_HANDLER_RETURN

Constructor Summary

Constructors

Constructor	Description
LambdaRouterMiddleware()

Method Summary

Modifier and Type	Method	Description
String	createRouterRequestPath(List<com.networknt.handler.config.UrlRewriteRule> urlRewriteRules, String requestPath)	Builds a complete request path string for our router request.
com.networknt.status.Status	execute(LightLambdaExchange exchange)
void	getCachedConfigurations()
boolean	isAsynchronous()	Indicate if this middleware handler is asynchronous or not.
boolean	isAudited()	Indicate if this middleware handler is audited or not.
boolean	isContinueOnFailure()	Indicate if this middleware handler will continue on failure or not.
boolean	isEnabled()	Indicate if this handler is enabled or not.
void	register()	Register this handler to the handler registration.
void	reload()	Reload config values in case the config values changed by config server.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.networknt.aws.lambda.handler.LambdaHandler

disabledMiddlewareStatus, isResponseMiddleware, successMiddlewareStatus

Field Details

FAILED_TO_INVOKE_SERVICE

public static final String FAILED_TO_INVOKE_SERVICE

See Also:

• Constant Field Values

EXCHANGE_HAS_FAILED_STATE

public static final String EXCHANGE_HAS_FAILED_STATE

See Also:

• Constant Field Values

CONFIG

public static final com.networknt.router.RouterConfig CONFIG

Constructor Details

LambdaRouterMiddleware

public LambdaRouterMiddleware()

Method Details

execute

public com.networknt.status.Status execute(LightLambdaExchange exchange)

Specified by:

execute in interface LambdaHandler

createRouterRequestPath

public String createRouterRequestPath(List<com.networknt.handler.config.UrlRewriteRule> urlRewriteRules,
 String requestPath)

Builds a complete request path string for our router request.

Parameters:

urlRewriteRules - - the list of url rewrite rules

requestPath - - the original request path

Returns:

- targetRequestPath the target request path string

isEnabled

public boolean isEnabled()

Description copied from interface: LambdaHandler

Indicate if this handler is enabled or not.

Specified by:

isEnabled in interface LambdaHandler

Returns:

boolean true if enabled

register

public void register()

Description copied from interface: LambdaHandler

Register this handler to the handler registration.

Specified by:

register in interface LambdaHandler

reload

public void reload()

Description copied from interface: LambdaHandler

Reload config values in case the config values changed by config server.

Specified by:

reload in interface LambdaHandler

isContinueOnFailure

public boolean isContinueOnFailure()

Description copied from interface: MiddlewareHandler

Indicate if this middleware handler will continue on failure or not.

Specified by:

isContinueOnFailure in interface MiddlewareHandler

Returns:

boolean true if continue on failure

isAudited

public boolean isAudited()

Description copied from interface: MiddlewareHandler

Indicate if this middleware handler is audited or not.

Specified by:

isAudited in interface MiddlewareHandler

Returns:

boolean true if audited

isAsynchronous

public boolean isAsynchronous()

Description copied from interface: LambdaHandler

Indicate if this middleware handler is asynchronous or not.

Specified by:

isAsynchronous in interface LambdaHandler

Returns:

boolean true if asynchronous

getCachedConfigurations

public void getCachedConfigurations()

Specified by:

getCachedConfigurations in interface MiddlewareHandler