X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=policy-agent%2Fsrc%2Fmain%2Fjava%2Forg%2Foransc%2Fpolicyagent%2Frepository%2FService.java;h=512d065ba5e4d48bc0ff339808025e165f6028f4;hb=ffe0c150f08205d73ee362f58f492aeb2703f295;hp=8efa54292e86f85ece352ca3f8ed8345b1f3e4a5;hpb=4a7dd457d5b179dd0f588663fc1476dacfca4f22;p=nonrtric.git

diff --git a/policy-agent/src/main/java/org/oransc/policyagent/repository/Service.java b/policy-agent/src/main/java/org/oransc/policyagent/repository/Service.java
index 8efa5429..512d065b 100644
--- a/policy-agent/src/main/java/org/oransc/policyagent/repository/Service.java
+++ b/policy-agent/src/main/java/org/oransc/policyagent/repository/Service.java
@@ -17,8 +17,42 @@
  * limitations under the License.
  * ========================LICENSE_END===================================
  */
+
 package org.oransc.policyagent.repository;
 
-public interface Service {
+import java.time.Duration;
+import java.time.Instant;
+
+public class Service {
+    private final String name;
+    private final Duration keepAliveInterval;
+    private Instant lastPing;
+    // private final String callbackUrl1; // TBD
+
+    public Service(String name, Duration keepAliveInterval) {
+        this.name = name;
+        this.keepAliveInterval = keepAliveInterval;
+        ping();
+    }
+
+    public String getName() {
+        return this.name;
+    }
+
+    public Duration getKeepAliveInterval() {
+        return this.keepAliveInterval;
+    }
+
+    public synchronized void ping() {
+        this.lastPing = Instant.now();
+    }
+
+    public synchronized boolean isExpired() {
+        return timeSinceLastPing().compareTo(this.keepAliveInterval) > 0;
+    }
+
+    public synchronized Duration timeSinceLastPing() {
+        return Duration.between(this.lastPing, Instant.now());
+    }
 
 }