From a4428494c58485ea11d215d4e2bc649e7ce6a1b2 Mon Sep 17 00:00:00 2001
From: David Bohn <davbohn@googlemail.com>
Date: Wed, 22 Jun 2016 12:23:05 +0200
Subject: [PATCH] Added configuration skeleton to ease the creation of certain
wallet environments
---
pom.xml | 5 ++
src/main/java/fucoin/Main.java | 77 ++++++++++---------
.../configurations/AbstractConfiguration.java | 75 ++++++++++++++++++
.../configurations/DefaultConfiguration.java | 18 +++++
.../MassWalletConfiguration.java | 17 ++++
5 files changed, 157 insertions(+), 35 deletions(-)
create mode 100644 src/main/java/fucoin/configurations/AbstractConfiguration.java
create mode 100644 src/main/java/fucoin/configurations/DefaultConfiguration.java
create mode 100644 src/main/java/fucoin/configurations/MassWalletConfiguration.java
diff --git a/pom.xml b/pom.xml
index 9bf2c6d..1a37142 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,5 +51,10 @@
<artifactId>akka-remote_2.11</artifactId>
<version>2.4.7</version>
</dependency>
+ <dependency>
+ <groupId>org.reflections</groupId>
+ <artifactId>reflections</artifactId>
+ <version>0.9.10</version>
+ </dependency>
</dependencies>
</project>
\ No newline at end of file
diff --git a/src/main/java/fucoin/Main.java b/src/main/java/fucoin/Main.java
index f992c44..2b491c8 100644
--- a/src/main/java/fucoin/Main.java
+++ b/src/main/java/fucoin/Main.java
@@ -1,31 +1,30 @@
package fucoin;
-import akka.actor.ActorRef;
import akka.actor.ActorSystem;
-import akka.actor.Props;
import com.typesafe.config.Config;
import com.typesafe.config.ConfigFactory;
-import fucoin.actions.join.ActionTellSupervisor;
+import fucoin.configurations.AbstractConfiguration;
import fucoin.setup.NetworkInterfaceReader;
-import fucoin.supervisor.SuperVisorImpl;
-import fucoin.wallet.WalletImpl;
-
+import org.reflections.Reflections;
+import org.reflections.scanners.ResourcesScanner;
+import org.reflections.scanners.SubTypesScanner;
+import org.reflections.util.ClasspathHelper;
+import org.reflections.util.ConfigurationBuilder;
+import org.reflections.util.FilterBuilder;
+
+import javax.swing.*;
import java.io.File;
+import java.lang.reflect.Modifier;
import java.util.ArrayList;
+import java.util.LinkedList;
import java.util.List;
+import java.util.Set;
public class Main {
- private static int numberOfWallets = 2;
- private static boolean createGUI = false;
-
private static ActorSystem cSystem;
- private static ActorRef cSuperVisorActor;
-
- private static List<ActorRef> cActiveActors = new ArrayList<>();
-
static {
String hostname = NetworkInterfaceReader.readDefaultHostname();
@@ -41,37 +40,45 @@ public class Main {
//Init System Actor System
cSystem = ActorSystem.create("Core", ConfigFactory.parseString("akka.remote.netty.tcp.hostname=" + hostname).withFallback(config));
- cSuperVisorActor = cSystem.actorOf(SuperVisorImpl.props(), "SuperVisorImpl");
}
- public static void main(String[] args) throws InterruptedException {
- createWallets();
+ public static void main(String[] args) throws InterruptedException, IllegalAccessException, InstantiationException {
+ List<AbstractConfiguration> configurations = getAbstractConfigurations();
+
+ AbstractConfiguration[] configs = new AbstractConfiguration[configurations.size()];
+ configurations.toArray(configs);
+
+ AbstractConfiguration selectedConfig = (AbstractConfiguration) JOptionPane.showInputDialog(null, "Select a configuration to run", "Configuration Selection", JOptionPane.QUESTION_MESSAGE, null, configs, configurations.get(0));
+ if (selectedConfig != null) {
+ selectedConfig.setSystem(cSystem);
+ selectedConfig.run();
+ } else {
+ cSystem.terminate();
+ }
}
- private static void createWallets() {
- //Init Wallets
- for (int i = 0; i < numberOfWallets; i++) {
+ private static List<AbstractConfiguration> getAbstractConfigurations() throws InstantiationException, IllegalAccessException {
+ List<ClassLoader> classLoadersList = new LinkedList<>();
+ classLoadersList.add(ClasspathHelper.contextClassLoader());
+ classLoadersList.add(ClasspathHelper.staticClassLoader());
- String nameOfTheWallet = "Wallet" + String.valueOf(i);
- Props props;
+ Reflections reflections = new Reflections(new ConfigurationBuilder()
+ .setScanners(new SubTypesScanner(false), new ResourcesScanner())
+ .setUrls(ClasspathHelper.forClassLoader(classLoadersList.toArray(new ClassLoader[0])))
+ .filterInputsBy(new FilterBuilder().include(FilterBuilder.prefix("fucoin.configurations"))));
- if (i > 0) {
- //chain the wallets. wallet2 knows wallet1, wallet3 knows wallet2 and so on.
- props = WalletImpl.props(cActiveActors.get(i - 1), nameOfTheWallet, createGUI);
- } else {
- props = WalletImpl.props(null, nameOfTheWallet, createGUI);
- }
+ Set<Class<? extends Object>> allClasses =
+ reflections.getSubTypesOf(Object.class);
- ActorRef actorRef = cSystem.actorOf(props, nameOfTheWallet);
+ List<AbstractConfiguration> configurations = new ArrayList<>();
- // first wallet does not have a neighbour, so it can't send a ActionJoin to anybody
- // instead we send directly an ActionJoinAnswer with the supervisor reference
- if (i == 0) {
- //actorRef.tell(new ActionJoinAnswer(cSuperVisorActor), cSuperVisorActor);
- actorRef.tell(new ActionTellSupervisor(cSuperVisorActor), cSuperVisorActor);
+ for (Class<? extends Object> oneClass: allClasses){
+ if (!Modifier.isAbstract(oneClass.getModifiers())) {
+ AbstractConfiguration cfg = (AbstractConfiguration)oneClass.newInstance();
+ cfg.setSystem(cSystem);
+ configurations.add(cfg);
}
-
- cActiveActors.add(actorRef);
}
+ return configurations;
}
}
diff --git a/src/main/java/fucoin/configurations/AbstractConfiguration.java b/src/main/java/fucoin/configurations/AbstractConfiguration.java
new file mode 100644
index 0000000..649ef96
--- /dev/null
+++ b/src/main/java/fucoin/configurations/AbstractConfiguration.java
@@ -0,0 +1,75 @@
+package fucoin.configurations;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Props;
+import fucoin.actions.join.ActionTellSupervisor;
+import fucoin.supervisor.SuperVisorImpl;
+import fucoin.wallet.WalletImpl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ *
+ */
+public abstract class AbstractConfiguration {
+
+ protected ActorSystem cSystem;
+ protected ActorRef superVisor;
+
+ protected final List<ActorRef> activeActors = new ArrayList<>();
+
+ public void setSystem(ActorSystem system) {
+ cSystem = system;
+ }
+
+ public ActorRef spawnWallet(String name, boolean createGUI) {
+ Props props;
+ int numOfWallets = activeActors.size();
+ if (numOfWallets == 0) {
+ props = WalletImpl.props(null, name, createGUI);
+ } else {
+ props = WalletImpl.props(activeActors.get(numOfWallets - 1), name, createGUI);
+ }
+
+ ActorRef actorRef = cSystem.actorOf(props, name);
+
+ activeActors.add(actorRef);
+
+ if (numOfWallets == 0) {
+ //actorRef.tell(new ActionJoinAnswer(cSuperVisorActor), cSuperVisorActor);
+ actorRef.tell(new ActionTellSupervisor(superVisor), superVisor);
+ }
+
+ return actorRef;
+ }
+
+ public void spawnWallets(int n, boolean createGUI) {
+ for (int i = 0; i < n; i++) {
+ String nameOfTheWallet = "Wallet" + String.valueOf(activeActors.size());
+ spawnWallet(nameOfTheWallet, createGUI);
+ }
+ }
+
+ public ActorRef initSupervisor() {
+ superVisor = cSystem.actorOf(SuperVisorImpl.props(), "SuperVisorImpl");
+
+ // Don't ask.
+ try {
+ Thread.sleep(200);
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ return superVisor;
+ }
+
+ public abstract void run();
+
+ public abstract String getName();
+
+ @Override
+ public String toString() {
+ return getName();
+ }
+}
diff --git a/src/main/java/fucoin/configurations/DefaultConfiguration.java b/src/main/java/fucoin/configurations/DefaultConfiguration.java
new file mode 100644
index 0000000..f3dd28a
--- /dev/null
+++ b/src/main/java/fucoin/configurations/DefaultConfiguration.java
@@ -0,0 +1,18 @@
+package fucoin.configurations;
+
+/**
+ *
+ */
+public class DefaultConfiguration extends AbstractConfiguration {
+
+ @Override
+ public void run() {
+ initSupervisor();
+ spawnWallets(2, true);
+ }
+
+ @Override
+ public String getName() {
+ return "Default Configuration";
+ }
+}
diff --git a/src/main/java/fucoin/configurations/MassWalletConfiguration.java b/src/main/java/fucoin/configurations/MassWalletConfiguration.java
new file mode 100644
index 0000000..f4c3587
--- /dev/null
+++ b/src/main/java/fucoin/configurations/MassWalletConfiguration.java
@@ -0,0 +1,17 @@
+package fucoin.configurations;
+
+/**
+ *
+ */
+public class MassWalletConfiguration extends AbstractConfiguration {
+ @Override
+ public void run() {
+ initSupervisor();
+ spawnWallets(200, false);
+ }
+
+ @Override
+ public String getName() {
+ return "Lots of wallets";
+ }
+}
--
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