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Prerequisites

The purpose of this example is to make preparations for a connector-to-connector communication. For that we'll set up two connectors.

One connector will be the "consumer" connector while the other will act as the "provider" connector. More on that in the following chapters.

For the sake of simplicity, the provider and the consumer will run on the same machine, but in a real world configuration, they will likely be on different machines.

This sample will go through:

  • Building the connector module
  • Running the provider connector
  • Running the consumer connector
  • Registering data plane instance for the provider connector

Run the sample

1. Build the connector

When we talk about a connector in the context of Eclipse Dataspace Components, we really mean a JAR file that runs on a machine. Before we can run a connector, we need to build the JAR file.

Execute this command in project root:

./gradlew transfer:transfer-00-prerequisites:connector:build

After the build end you should verify that the connector.jar is created in the directory /connector/build/libs/connector.jar

We can use the same .jar file for both connectors. Note that the consumer and provider connectors differ in their configuration.

Inspect the different configuration files below:

2. Run the connectors

To run the provider, just run the following command

java -Dedc.keystore=transfer/transfer-00-prerequisites/resources/certs/cert.pfx -Dedc.keystore.password=123456 -Dedc.fs.config=transfer/transfer-00-prerequisites/resources/configuration/provider-configuration.properties -jar transfer/transfer-00-prerequisites/connector/build/libs/connector.jar

To run the consumer, just run the following command (different terminal)

java -Dedc.keystore=transfer/transfer-00-prerequisites/resources/certs/cert.pfx -Dedc.keystore.password=123456 -Dedc.fs.config=transfer/transfer-00-prerequisites/resources/configuration/consumer-configuration.properties -jar transfer/transfer-00-prerequisites/connector/build/libs/connector.jar

Assuming you didn't change the ports in config files, the consumer will listen on the ports 29191, 29192 (management API) and 29292 (DSP API) and the provider will listen on the ports 12181, 19182 (management API) and 19282 (DSP API).

The connectors have been configured successfully and are ready to be used.

Next Chapter