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new 9e90776 [FLINK-23335][gradle] add separate run tasks for Java/Scala
exercises and solutions
9e90776 is described below
commit 9e907760965a883881d7891baa0d6a82011cb626
Author: Nico Kruber <[email protected]>
AuthorDate: Fri Jul 2 15:43:13 2021 +0200
[FLINK-23335][gradle] add separate run tasks for Java/Scala exercises and
solutions
This allows to quickly run the current state of the exercise or the solution
implementation from the command line / IDE.
---
README.md | 19 ++++++++++++++++++-
build.gradle | 39 +++++++++++++++++++++++++++++++++++++++
hourly-tips/build.gradle | 7 ++++++-
long-ride-alerts/build.gradle | 7 ++++++-
ride-cleansing/build.gradle | 7 ++++++-
rides-and-fares/build.gradle | 7 ++++++-
6 files changed, 81 insertions(+), 5 deletions(-)
diff --git a/README.md b/README.md
index 368b904..834032a 100644
--- a/README.md
+++ b/README.md
@@ -176,7 +176,24 @@ Each of these exercises includes an `...Exercise` class
with most of the necessa
> **:information_source: Note:** As long as your `...Exercise` class is
> throwing a `MissingSolutionException`, the provided JUnit test classes will
> ignore that failure and verify the correctness of the solution
> implementation instead.
-There are Java and Scala versions of all the exercise, test, and solution
classes.
+There are Java and Scala versions of all the exercise, test, and solution
classes, each of which can be run from IntelliJ as usual.
+
+#### Running Exercises, Tests, and Solutions on the Command Line
+
+You can execute exercises, solutions, and tests via `gradlew` from a CLI.
+
+- Tests can be executed as usual:
+
+ ```bash
+ ./gradlew test
+ ./gradlew :<subproject>:test
+ ```
+
+- For Java/Scala exercises and solutions, we provide special tasks that are
listed via
+
+ ```bash
+ ./gradlew printRunTasks
+ ```
-----
diff --git a/build.gradle b/build.gradle
index b13aaa9..3702325 100644
--- a/build.gradle
+++ b/build.gradle
@@ -94,6 +94,18 @@ subprojects {
test.runtimeClasspath += configurations.shadow
}
+ project.plugins.withId('application') {
+ ['javaExerciseClassName', 'scalaExerciseClassName',
+ 'javaSolutionClassName', 'scalaSolutionClassName'].each { property ->
+ if (project.ext.has(property)) {
+ project.tasks.create(name:
classNamePropertyToTaskName(property), type: JavaExec) {
+ classpath = project.sourceSets.main.runtimeClasspath
+ mainClass = project.ext.get(property)
+ group = 'flink-training'
+ }
+ }
+ }
+ }
jar {
manifest {
@@ -119,3 +131,30 @@ subprojects {
assemble.dependsOn(shadowJar)
}
+
+tasks.register('printRunTasks') {
+ println '------------------------------------------------------------'
+ println 'Flink Training Tasks runnable from root project \'' +
project.name + '\''
+ println '------------------------------------------------------------'
+
+ subprojects.findAll { project ->
+ boolean first = true;
+ project.tasks.withType(JavaExec) { task ->
+ if (task.group == 'flink-training') {
+ if (first) {
+ println ''
+ println '> Subproject \'' + project.name + '\''
+ first = false;
+ }
+ println './gradlew :' + project.name + ':' + task.name
+ }
+ }
+ }
+}
+
+static def classNamePropertyToTaskName(String property) {
+ return 'run' +
+ property.charAt(0).toString().toUpperCase() +
+ property.substring(1, property.lastIndexOf('ClassName'))
+
+}
diff --git a/hourly-tips/build.gradle b/hourly-tips/build.gradle
index 75e3e60..20bcd13 100644
--- a/hourly-tips/build.gradle
+++ b/hourly-tips/build.gradle
@@ -1,3 +1,8 @@
+ext.javaExerciseClassName =
'org.apache.flink.training.exercises.hourlytips.HourlyTipsExercise'
+ext.scalaExerciseClassName =
'org.apache.flink.training.exercises.hourlytips.scala.HourlyTipsExercise'
+ext.javaSolutionClassName =
'org.apache.flink.training.solutions.hourlytips.HourlyTipsSolution'
+ext.scalaSolutionClassName =
'org.apache.flink.training.solutions.hourlytips.scala.HourlyTipsSolution'
+
apply plugin: 'application'
-mainClassName =
'org.apache.flink.training.exercises.hourlytips.HourlyTipsExercise'
+mainClassName = ext.javaExerciseClassName
diff --git a/long-ride-alerts/build.gradle b/long-ride-alerts/build.gradle
index 59b9448..8036a4f 100644
--- a/long-ride-alerts/build.gradle
+++ b/long-ride-alerts/build.gradle
@@ -1,3 +1,8 @@
+ext.javaExerciseClassName =
'org.apache.flink.training.exercises.longrides.LongRidesExercise'
+ext.scalaExerciseClassName =
'org.apache.flink.training.exercises.longrides.scala.LongRidesExercise'
+ext.javaSolutionClassName =
'org.apache.flink.training.solutions.longrides.LongRidesSolution'
+ext.scalaSolutionClassName =
'org.apache.flink.training.solutions.longrides.scala.LongRidesSolution'
+
apply plugin: 'application'
-mainClassName =
'org.apache.flink.training.exercises.longrides.LongRidesExercise'
+mainClassName = ext.javaExerciseClassName
diff --git a/ride-cleansing/build.gradle b/ride-cleansing/build.gradle
index 1f03917..08ff269 100644
--- a/ride-cleansing/build.gradle
+++ b/ride-cleansing/build.gradle
@@ -1,3 +1,8 @@
+ext.javaExerciseClassName =
'org.apache.flink.training.exercises.ridecleansing.RideCleansingExercise'
+ext.scalaExerciseClassName =
'org.apache.flink.training.exercises.ridecleansing.scala.RideCleansingExercise'
+ext.javaSolutionClassName =
'org.apache.flink.training.solutions.ridecleansing.RideCleansingSolution'
+ext.scalaSolutionClassName =
'org.apache.flink.training.solutions.ridecleansing.scala.RideCleansingSolution'
+
apply plugin: 'application'
-mainClassName =
'org.apache.flink.training.exercises.ridecleansing.RideCleansingExercise'
+mainClassName = ext.javaExerciseClassName
diff --git a/rides-and-fares/build.gradle b/rides-and-fares/build.gradle
index 565aec6..6822ec8 100644
--- a/rides-and-fares/build.gradle
+++ b/rides-and-fares/build.gradle
@@ -1,3 +1,8 @@
+ext.javaExerciseClassName =
'org.apache.flink.training.exercises.ridesandfares.RidesAndFaresExercise'
+ext.scalaExerciseClassName =
'org.apache.flink.training.exercises.ridesandfares.scala.RidesAndFaresExercise'
+ext.javaSolutionClassName =
'org.apache.flink.training.solutions.ridesandfares.RidesAndFaresSolution'
+ext.scalaSolutionClassName =
'org.apache.flink.training.solutions.ridesandfares.scala.RidesAndFaresSolution'
+
apply plugin: 'application'
-mainClassName =
'org.apache.flink.training.exercises.ridesandfares.RidesAndFaresExercise'
+mainClassName = ext.javaExerciseClassName
