X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.machine%2Fsrc%2Fnet%2Fmograsim%2Fmachine%2FMachineRegistry.java;h=ca52eaea1bc15150d423bb871a4e7f1bbe6e1159;hb=34c9da2d7580f2312da458db619dcf36e6325cef;hp=52e5d60dc682a0c18b924f021f6fbb90e7b3c3c8;hpb=07a6b9ff15d40ac08175bf0d60dad3e7bbe10ecb;p=Mograsim.git

diff --git a/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java b/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java
index 52e5d60d..ca52eaea 100644
--- a/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java
+++ b/plugins/net.mograsim.machine/src/net/mograsim/machine/MachineRegistry.java
@@ -3,7 +3,11 @@ package net.mograsim.machine;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Map;
+import java.util.Objects;
+import java.util.Set;
+
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtension;
@@ -14,9 +18,11 @@ import org.eclipse.core.runtime.Platform;
 
 public class MachineRegistry
 {
+
 	private static final String MACHINE_EXT_ID = "net.mograsim.machine.machine_definition";
 
-	private static final Map<String, MachineDefinition> installedMachines = new HashMap<>();
+	private static final Map<String, MachineDefinition> installedMachines = Collections.synchronizedMap(new HashMap<>());
+	private static final Set<MachineRegistryListener> listeners = Collections.synchronizedSet(new HashSet<>());
 
 	private static void reload()
 	{
@@ -50,6 +56,7 @@ public class MachineRegistry
 		{
 			System.out.println(ex.getMessage());
 		}
+		notifyListeners();
 	}
 
 	public static void initialize()
@@ -93,4 +100,26 @@ public class MachineRegistry
 	{
 		return installedMachines.get(id);
 	}
+
+	private static void notifyListeners()
+	{
+		Map<String, MachineDefinition> unmodMachines = getInstalledMachines();
+		listeners.forEach(l -> l.onReload(unmodMachines));
+	}
+
+	public static void addMachineRegistryListener(MachineRegistryListener listener)
+	{
+		listeners.add(listener);
+	}
+
+	public static void removeMachineRegistryListener(MachineRegistryListener listener)
+	{
+		listeners.remove(listener);
+	}
+
+	@FunctionalInterface
+	public interface MachineRegistryListener
+	{
+		void onReload(Map<String, MachineDefinition> installedMachines);
+	}
 }