Add simple connection management capabilities to the broker. An external codebase will now be able to monitor and close the opened connections.

broker/src/main/java/io/moquette/connections/MqttSubscription.java

@@ -0,0 +1,38 @@
+package io.moquette.connections;
+
+/**
+ * A class that represents a MQTT subscription. 
+ * 
+ * @author lbarrios
+ *
+ */
+public class MqttSubscription {
+    private final String requestedQos;
+    private final String clientId;
+    private final String topicFilter;
+    private final boolean active;
+
+    public MqttSubscription(String requestedQos, String clientId, String topicFilter, boolean active) {
+        this.requestedQos = requestedQos;
+        this.clientId = clientId;
+        this.topicFilter = topicFilter;
+        this.active = active;
+    }
+
+    public String getRequestedQos() {
+        return requestedQos;
+    }
+
+    public String getClientId() {
+        return clientId;
+    }
+
+    public String getTopicFilter() {
+        return topicFilter;
+    }
+
+    public boolean isActive() {
+        return active;
+    }
+
+}