From 8ce8fd4f156181f0221079d8b93fb339a82135a4 Mon Sep 17 00:00:00 2001
From: Mitsuo Tokumori <rtokumori@pucp.edu.pe>
Date: Tue, 31 May 2022 13:29:00 -0500
Subject: Run ACO-VRP (OS dependant, needs ~/.odiparpack)

Python to Java translation proved very difficult.  For now only call
python from Java.  No more Java motto "Write once, run everywhere".
---
 .../src/main/java/com/odiparpack/acovrp/Ant.java   | 33 ++++++++++++++++++
 .../src/main/java/com/odiparpack/acovrp/Main.java  | 19 ++++++++++
 .../odiparpack/acovrp/MultipleAntColonySystem.java |  4 +++
 .../java/com/odiparpack/acovrp/VrptwGraph.java     |  4 +++
 .../src/main/java/org/example/Main.java            | 40 +++++++++++++++++++++-
 5 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Ant.java
 create mode 100644 back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Main.java
 create mode 100644 back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/MultipleAntColonySystem.java
 create mode 100644 back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/VrptwGraph.java

(limited to 'back')

diff --git a/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Ant.java b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Ant.java
new file mode 100644
index 0000000..f422f31
--- /dev/null
+++ b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Ant.java
@@ -0,0 +1,33 @@
+package com.odiparpack.acovrp;
+
+import java.util.ArrayList;
+
+public class Ant {
+    // graph
+    public int current_index;
+    public double vehicle_load;
+    public double vehicle_travel_time;
+    ArrayList<Integer> travel_path;
+    ArrayList<Integer> index_to_visit;
+    double total_travel_distance;
+
+    public Ant() {
+        travel_path = new ArrayList<>();
+        index_to_visit = new ArrayList<>();
+    }
+
+    public static void main(String[] args) {
+        int i = 0;
+        Ant a = new Ant();
+
+        for (i = 0; i < 100; i++) {
+            a.travel_path.add(100 - i);
+        }
+
+        for (i = 0; i < 100; i++) {
+            System.out.format("%d\n", a.travel_path.get(i));
+        }
+        System.out.println(a.travel_path);
+        System.out.println(a);
+    }
+}
diff --git a/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Main.java b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Main.java
new file mode 100644
index 0000000..33320bc
--- /dev/null
+++ b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/Main.java
@@ -0,0 +1,19 @@
+package com.odiparpack.acovrp;
+
+public class Main {
+    public static void basic_aco() {
+
+    }
+
+    public static void vrptw_aco_figure() {
+
+    }
+
+    public static void example1() {
+
+    }
+
+    public static void main(String[] args) {
+        example1();
+    }
+}
diff --git a/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/MultipleAntColonySystem.java b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/MultipleAntColonySystem.java
new file mode 100644
index 0000000..8ece5aa
--- /dev/null
+++ b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/MultipleAntColonySystem.java
@@ -0,0 +1,4 @@
+package com.odiparpack.acovrp;
+
+public class MultipleAntColonySystem {
+}
diff --git a/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/VrptwGraph.java b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/VrptwGraph.java
new file mode 100644
index 0000000..9ee546b
--- /dev/null
+++ b/back/aco-mdvrptw/src/main/java/com/odiparpack/acovrp/VrptwGraph.java
@@ -0,0 +1,4 @@
+package com.odiparpack.acovrp;
+
+public class VrptwGraph {
+}
diff --git a/back/aco-mdvrptw/src/main/java/org/example/Main.java b/back/aco-mdvrptw/src/main/java/org/example/Main.java
index 407f157..ce5a91a 100644
--- a/back/aco-mdvrptw/src/main/java/org/example/Main.java
+++ b/back/aco-mdvrptw/src/main/java/org/example/Main.java
@@ -1,7 +1,45 @@
 package org.example;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
 public class Main {
     public static void main(String[] args) {
-        System.out.println("Hello world!");
+        String command = "pwd && date && ls ~";
+        command = "~/.odiparpack";
+        try {
+            System.out.println(
+                    System.getProperty("os.name") + "\n" +
+                    System.getProperty("user.name")
+            );
+            ProcessBuilder pb
+                    = new ProcessBuilder("sh", "-c", command);
+            pb.directory(
+                    new File(System.getProperty("user.home"))
+            );
+            Process process = pb.start();
+
+            StringBuilder output = new StringBuilder();
+            BufferedReader reader
+                    = new BufferedReader(new InputStreamReader(
+                            process.getInputStream()
+            ));
+            String line;
+            while ((line = reader.readLine()) != null) {
+                output.append(line + '\n');
+            }
+            int exitVal = process.waitFor();
+            if (exitVal == 0) {
+                System.out.println("The output is:");
+                System.out.println(output);
+                //System.exit(0);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
     }
 }
\ No newline at end of file
-- 
cgit v1.2.3