From 1d62c868aab46d8be13f2f81f722f09bf1b93981 Mon Sep 17 00:00:00 2001
From: Kai Nagel <nagel@vsp.tu-berlin.de>
Date: Mon, 28 Oct 2024 14:17:02 +0100
Subject: [PATCH] ConstructorInjection

---
 .../RunReflectiveConfigGroupExample.java      |  2 +-
 .../ConstructorInjection.java                 | 58 +++++++++++++++++++
 2 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/matsim/codeexamples/guicewithoutmatsim/ConstructorInjection.java

diff --git a/src/main/java/org/matsim/codeexamples/config/reflectiveConfigGroup/RunReflectiveConfigGroupExample.java b/src/main/java/org/matsim/codeexamples/config/reflectiveConfigGroup/RunReflectiveConfigGroupExample.java
index 824664c6..87115f3c 100644
--- a/src/main/java/org/matsim/codeexamples/config/reflectiveConfigGroup/RunReflectiveConfigGroupExample.java
+++ b/src/main/java/org/matsim/codeexamples/config/reflectiveConfigGroup/RunReflectiveConfigGroupExample.java
@@ -45,7 +45,7 @@ public static void main(String[] args) {
 		
 		config.checkConsistency(); 
 		
-		ControlerUtils.checkConfigConsistencyAndWriteToLog(config, "test");
+		ControlerUtils.checkConfigConsistencyAndWriteToLog(config, "test" );
 		
 	}
 
diff --git a/src/main/java/org/matsim/codeexamples/guicewithoutmatsim/ConstructorInjection.java b/src/main/java/org/matsim/codeexamples/guicewithoutmatsim/ConstructorInjection.java
new file mode 100644
index 00000000..43e20730
--- /dev/null
+++ b/src/main/java/org/matsim/codeexamples/guicewithoutmatsim/ConstructorInjection.java
@@ -0,0 +1,58 @@
+package org.matsim.codeexamples.guicewithoutmatsim;
+
+import com.google.inject.Inject;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+
+class ConstructorInjection{
+
+	private static final Logger log = LogManager.getLogger( org.matsim.codeexamples.guicewithoutmatsim.PartOne.class ) ;
+
+	public static void main(String[] args){
+		Helper helper = new MyHelper1();
+		Simulation simulation = new MySimulation1( helper );
+		simulation.run();
+	}
+
+	interface Simulation {
+		void run() ;
+	}
+
+	interface Helper {
+		Object getAccessToSomething() ;
+	}
+
+	static class MySimulation1 implements Simulation{
+		private final Helper helper;
+		MySimulation1( Helper helper ) {
+			this.helper = helper;
+		}
+		@Override public void run() {
+			log.info( "called MySimulation1 run method") ;
+			helper.getAccessToSomething() ;
+		}
+	}
+	static class MySimulation2 implements Simulation{
+		private final Helper helper;
+		MySimulation2( Helper helper ) {
+			this.helper = helper;
+		}
+		@Override public void run() {
+			log.info( "called MySimulation2 run method") ;
+			helper.getAccessToSomething() ;
+		}
+	}
+
+	static class MyHelper1 implements Helper{
+		@Override public Object getAccessToSomething(){
+			log.info( "called MyHelper1 getAccess... method") ;
+			return null ;
+		}
+	}
+	static class MyHelper2 implements Helper{
+		@Override public Object getAccessToSomething(){
+			log.info( "called MyHelper2 getAccess... method") ;
+			return null ;
+		}
+	}
+}