Add example networks and update tests to utilize new NetExamples class

src/main/java/net/berack/upo/valpre/NetExamples.java

@@ -0,0 +1,94 @@
+package net.berack.upo.valpre;
+
+import net.berack.upo.valpre.rand.Distribution;
+import net.berack.upo.valpre.sim.Net;
+import net.berack.upo.valpre.sim.ServerNode;
+
+/**
+ * This class provides two example networks.
+ * The first network is composed of a terminal node and a queue node.
+ * The second network is composed of a terminal node and two queue nodes.
+ */
+public final class NetExamples {
+    /**
+     * Return the first example network.
+     * The net is composed of a terminal node and a queue node.
+     * The terminal node generates 10000 jobs with an exponential distribution 4.5.
+     * The queue node has a capacity of 1 and a service time of 3.2 with a standard
+     * deviation of 0.6.
+     * The terminal node is connected to the queue node with a probability of 1.0.
+     * 
+     * @return the first example network
+     */
+    public static Net getNet1() {
+        var exp0_22 = new Distribution.Exponential(1.0 / 4.5);
+        var norm3_2 = new Distribution.NormalBoxMuller(3.2, 0.6);
+        var spawn = 10000;
+        return getNet1(spawn, exp0_22, norm3_2);
+    }
+
+    /**
+     * Return the first example network.
+     * The net is composed of a terminal node and a queue node.
+     * The terminal node is connected to the queue node.
+     * 
+     * @param spawn  the number of jobs to generate
+     * @param source the distribution of the source node
+     * @param queue  the distribution of the queue node
+     * @return the first example network
+     */
+    public static Net getNet1(int spawn, Distribution source, Distribution queue) {
+        var net1 = new Net();
+        net1.addNode(ServerNode.Builder.terminal("Source", spawn, source));
+        net1.addNode(ServerNode.Builder.queue("Queue", 1, queue));
+        net1.addConnection(0, 1, 1.0);
+        return net1;
+    }
+
+    /**
+     * Return the second example network.
+     * The net is composed of a terminal node and two queue nodes.
+     * The terminal node generates 10000 jobs with an exponential distribution 1.5.
+     * The first queue node has a capacity of 1 and a service time of 2.0.
+     * The second queue node has a capacity of 1 and a service time of 3.5.
+     * The second queue node has an unavailable time of 0.1 with an exponential
+     * distribution of 10.0.
+     * The terminal node is connected to the first queue node.
+     * The first queue node is connected to the second queue node.
+     * 
+     * @return the second example network
+     */
+    public static Net getNet2() {
+        var exp1_5 = new Distribution.Exponential(1.5);
+        var exp2 = new Distribution.Exponential(2.0);
+        var exp3_5 = new Distribution.Exponential(3.5);
+        var exp10 = new Distribution.Exponential(10.0);
+        var unExp = new Distribution.UnavailableTime(0.1, exp10);
+        var spawn = 10000;
+        return getNet2(spawn, exp1_5, exp2, exp3_5, unExp);
+    }
+
+    /**
+     * Return the second example network.
+     * The net is composed of a terminal node and two queue nodes.
+     * The terminal node is connected to the first queue node.
+     * The first queue node is connected to the second queue node.
+     * 
+     * @param spawn    the number of jobs to generate
+     * @param source   the distribution of the source node
+     * @param service1 the distribution of the first queue node
+     * @param service2 the distribution of the second queue node
+     * @param unExp    the distribution of the unavailable time
+     * @return the second example network
+     */
+    public static Net getNet2(int spawn, Distribution source, Distribution service1, Distribution service2,
+            Distribution unExp) {
+        var net3 = new Net();
+        net3.addNode(ServerNode.Builder.terminal("Source", spawn, source));
+        net3.addNode(ServerNode.Builder.queue("Service1", 1, service1));
+        net3.addNode(ServerNode.Builder.queue("Service2", 1, service2, unExp));
+        net3.addConnection(0, 1, 1.0);
+        net3.addConnection(1, 2, 1.0);
+        return net3;
+    }
+}