com.sap.cloud.sdk.services.blockchain.fabric.credentials

Class ApplicationService

java.lang.Object

com.sap.cloud.sdk.services.blockchain.fabric.credentials.ApplicationService

@Beta
public class ApplicationService
extends Object

An Application Service contains all necessary credentials and information to interact with a Hyperledger Fabric chaincode.

Constructor Summary

Constructors

Constructor and Description
ApplicationService() Provides an Application Service that contains all provided credentials and can be used to receive a contract object from the Fabric Service.
ApplicationService(ChannelService channelService, String contractName) Provides an Application Service that contains all provided credentials and can be used to receive a contract object from the Fabric Service.
ApplicationService(String userProvidedServiceName) Provides an Application Service that contains all provided credentials and can be used to receive a contract object from the Fabric Service.

Method Summary

Modifier and Type	Method and Description
ChannelService	getChannelService()
String	getContractName()

Methods inherited from class java.lang.Object

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

Constructor Detail

ApplicationService

public ApplicationService(@Nonnull
                          ChannelService channelService,
                          @Nonnull
                          String contractName)

Provides an Application Service that contains all provided credentials and can be used to receive a contract object from the Fabric Service.

Parameters:

channelService - A Channel Service that contains all credentials and information to interact with the Hyperledger Fabric channel that has the instantiated chaincode

contractName - The name of the chaincode that is instantiated on the channel

ApplicationService

public ApplicationService(@Nonnull
                          String userProvidedServiceName)

Provides an Application Service that contains all provided credentials and can be used to receive a contract object from the Fabric Service. All information is parsed from the user-provided service with the specific name in the Cloud Foundry environment of the application.

Parameters:

userProvidedServiceName - The name of the user-provided service (only mandatory if there are multiple user-provided services bound to the application)

Throws:

IllegalStateException - if the user-provided service with the given name could not be found

IllegalArgumentException - if the user-provided service is not a hyperledger-fabric ApplicationService or some credentials are missing or can not be parsed

ApplicationService

public ApplicationService()

Provides an Application Service that contains all provided credentials and can be used to receive a contract object from the Fabric Service. All information is parsed from the user-provided service in the Cloud Foundry environment of the application. If there are multiple user-provided services in the environment the name of the Hyperledger Fabric service must be provided.

Throws:

IllegalStateException - if there are no or more than one user-provided services

IllegalArgumentException - if the user-provided service is not a hyperledger-fabric ApplicationService or some credentials are missing or can not be parsed

Method Detail

getContractName

@Nonnull
public String getContractName()

Returns:

the name of the chaincode

getChannelService

@Nonnull
public ChannelService getChannelService()

Returns:

the Channel Service that contains all credentials and information to interact with the Hyperledger Fabric channel that has the instantiated chaincode