Merge pull request #1 from apollosolutions/feature/add-java-coprocessor

Add java coprocessor and rename js coprocessor

Author: andrewmcgivery

README.md

@@ -7,7 +7,7 @@ This repository demonstrates how to setup a skeleton coprocessor that simply log
 > Note: To run this example, you will need a GraphOS Enterprise plan and must create `/router/.env` based on `/router/.env.example` which exports `APOLLO_KEY` and `APOLLO_GRAPH_REF`.
 
 1. Run the subgraph from the `/subgraph` directory with `npm run dev`
-1. Run the coprocessor from the `/coprocessor` directory with `npm run dev`
+1. Run the coprocessor based on your language of choice by following the README from the appropriate `/*-coprocessor` directory ([javascript](./js-coprocessor/README.md), [Java](./java-coprocessor/README.md)).
 1. In the `/router` directory, download the router by running `./download_router.sh`
 1. In the `/router` directory, compose the schema by running `./create_local_schema.sh`
 1. In the `/router` directory, run the router by running `./start_router.sh`
@@ -21,7 +21,3 @@ Now if you run this code in the browser (http://127.0.0.1:4000/), you will be ab
 In `router/router-config.yaml`, the coprocessor is configured with the Router to be called on the `router` `request` stage.
 
 ### Coprocessor
-
-In `coprocessor/src/index.js`, the coprocessor is setup with `express` to listen to the `/` POST endpoint and respond to the `RouterRequest` stage.
-
-In the `processRouterRequestStage` function, the payload is logged.

java-coprocessor/.gitignore

@@ -0,0 +1,43 @@
+.idea/
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# Eclipse m2e generated files
+# Eclipse Core
+.project
+# JDT-specific (Eclipse Java Development Tools)
+.classpath
+
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.nar
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+replay_pid*

java-coprocessor/.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.7/apache-maven-3.8.7-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.1.1/maven-wrapper-3.1.1.jar

java-coprocessor/README.md

@@ -0,0 +1,11 @@
+# Java Coprocessor
+
+## Run
+
+  1. _(Optional)_ Install [SDK Man](https://sdkman.io/)
+      - This can help with installing and managing different Java versions
+  1. Start the coprocessor using `mvn`
+      ```shell
+      ./mvnw spring-boot:run
+      ```
+  2. [Start the router](/router/README.md#running-the-router)