EDU-8: Update source code for "Run your first app in Java" and port t…

…o Maven (#29)

* EDU-2293: Update source code for "Run your first app in Java" and port to Maven

JIRA: https://temporalio.atlassian.net/browse/EDU-2293

* EDU-2293:  Update source code for "Run your first app in Java"

* Source code updated
* Ported to Maven
* Transaction details are now a single type
* Jackson Deserialization is now supported for the custom type
* Test run and pass
* Worker runs correctly
* Caller app runs correctly

JIRA: https://temporalio.atlassian.net/browse/EDU-2293

* EDU-2293:  Update source code for "Run your first app in Java"

    * Change amount from double to int
    * Added toggles to control the success of the deposit and refund
    * Add compensation mechanism to refund failed deposit

JIRA: https://temporalio.atlassian.net/browse/EDU-2293

* EDU-2293: updated to rethrow exception in Workflow fail case

JIRA: https://temporalio.atlassian.net/browse/EDU-2293

README.md

@@ -1,35 +1,28 @@
-# Money transfer: Java project template
-
-This project can be used as a template to start building your own Temporal Workflow application.
+# Money transfer project: Java
 
+Learn how the pieces of a Temporal application work together.
 Follow the [Run your first app tutorial](https://docs.temporal.io/docs/java/run-your-first-app-tutorial) to learn more about Temporal Workflows.
 
-This project uses [Snipsync](https://github.com/temporalio/snipsync) comment wrappers to automatically keep code snippets up to date within our documentation.
-
-## How to use the template
-
-To use the template, either download it as a zip file or click "Use Template" to make a copy of it in your own Github account.
+Note: This project uses [Snipsync](https://github.com/temporalio/snipsync) comment wrappers to automatically keep code snippets up to date within our documentation.
 
-## Build the project
+## Building, cleaning, and other tasks 
 
-Either open the project in IntelliJ, which will automatically build it, or in the project's root directory run:
-
-```
-./gradlew build
 ```
+build:
+    mvn clean install -Dorg.slf4j.simpleLogger.defaultLogLevel=info 2>/dev/null
 
-## Run the Workflow
+clean:
+    mvn clean -q -Dmaven.logging.level=0
 
-First, make sure the [Temporal server](https://docs.temporal.io/docs/server/quick-install) is running.
+worker:
+    mvn compile exec:java -Dexec.mainClass="moneytransferapp.MoneyTransferWorker" -Dorg.slf4j.simpleLogger.defaultLogLevel=warn
 
-To start the Workflow, either run the InitiateMoneyTransfer class from IntelliJ or from the project root run:
+run:
+    mvn compile exec:java -Dexec.mainClass="moneytransferapp.TransferApp" -Dorg.slf4j.simpleLogger.defaultLogLevel=warn
 
-```
-./gradlew initiateTransfer
-```
+serve:
+    `command -v temporal` server start-dev --log-level=never &
 
-To start the Worker, either run the MoneyTransferWorker class from IntelliJ or from the project root run:
-
-```
-./gradlew startWorker --console=plain
+stop-server:
+    pkill temporal
 ```