com.broadleafcommerce.cartoperation.service.provider.external

Class ExternalResourceLockProvider

java.lang.Object

com.broadleafcommerce.cartoperation.service.provider.external.AbstractExternalProvider

com.broadleafcommerce.cartoperation.service.provider.external.ExternalResourceLockProvider

All Implemented Interfaces:

ResourceLockProvider

public class ExternalResourceLockProvider
extends AbstractExternalProvider
implements ResourceLockProvider

Obtains and releases locks in an external service (cart services over HTTP).

Author:

Jacob Mitash

Constructor Summary

Constructors

Constructor and Description
ExternalResourceLockProvider(org.springframework.web.reactive.function.client.WebClient webClient, com.fasterxml.jackson.databind.ObjectMapper objectMapper, com.broadleafcommerce.common.extension.TypeFactory typeFactory, ExternalCartProperties properties)

Method Summary

Modifier and Type	Method and Description
protected <T> T	executeRequest(Supplier<T> request) Executes a request with default Web Client error handling.
String	obtainLock(@NonNull String contextId, @NonNull String conceptKey, com.broadleafcommerce.data.tracking.core.context.ContextInfo contextInfo) Obtains a resource lock.
void	releaseLock(@NonNull String token, com.broadleafcommerce.data.tracking.core.context.ContextInfo contextInfo) Releases a resource lock using a token.

Methods inherited from class com.broadleafcommerce.cartoperation.service.provider.external.AbstractExternalProvider

getHeaders, getObjectMapper, getTypeFactory, getWebClient, pageableToParams, uriVars

Methods inherited from class java.lang.Object

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

Constructor Detail

ExternalResourceLockProvider

public ExternalResourceLockProvider(org.springframework.web.reactive.function.client.WebClient webClient,
                                    com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                    com.broadleafcommerce.common.extension.TypeFactory typeFactory,
                                    ExternalCartProperties properties)

Method Detail

obtainLock

public String obtainLock(@NonNull
                         @NonNull String contextId,
                         @NonNull
                         @NonNull String conceptKey,
                         @Nullable
                         com.broadleafcommerce.data.tracking.core.context.ContextInfo contextInfo)

Description copied from interface: ResourceLockProvider

Obtains a resource lock.

Specified by:

obtainLock in interface ResourceLockProvider

Parameters:

contextId - the context ID of the entity to lock

conceptKey - some key indicating what is being locked or by who

contextInfo - the context of the request

Returns:

a token that can be used to release the lock

releaseLock

public void releaseLock(@NonNull
                        @NonNull String token,
                        @Nullable
                        com.broadleafcommerce.data.tracking.core.context.ContextInfo contextInfo)

Description copied from interface: ResourceLockProvider

Releases a resource lock using a token. The token should be obtained via ResourceLockProvider.obtainLock(String, String, ContextInfo).

Specified by:

releaseLock in interface ResourceLockProvider

Parameters:

token - the token tied to the lock which should be released

contextInfo - the context of the request

executeRequest

protected <T> T executeRequest(Supplier<T> request)

Description copied from class: AbstractExternalProvider

Executes a request with default Web Client error handling.

Overrides:

executeRequest in class AbstractExternalProvider

Type Parameters:

T - the return type of the request operation

Parameters:

request - the request to execute

Returns:

the value generated by the supplier