Convert Intermediary Participant to Spring and refactor Participants

Issue-ID: POLICY-3370
Change-Id: I1541fc47b35c91f9ec86ab768bc3cec2cd78647c
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

3 files changed, 11 insertions, 14 deletions

diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParticipantIntermediaryConfig.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParticipantIntermediaryConfig.java
index d8c39925b..bfbed66b7 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParticipantIntermediaryConfig.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/configurations/ParticipantIntermediaryConfig.java
@@ -21,28 +21,23 @@
 package org.onap.policy.clamp.controlloop.participant.kubernetes.configurations;
 
 import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryApi;
-import org.onap.policy.clamp.controlloop.participant.intermediary.api.ParticipantIntermediaryFactory;
 import org.onap.policy.clamp.controlloop.participant.kubernetes.handler.ControlLoopElementHandler;
-import org.onap.policy.clamp.controlloop.participant.kubernetes.parameters.ParticipantK8sParameters;
-import org.springframework.context.annotation.Bean;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Configuration;
 
 @Configuration
 public class ParticipantIntermediaryConfig {
 
     /**
-     * Create ParticipantIntermediaryApi.
+     * Register ControlLoopElementListener.
      *
-     * @param parameters the K8s Participant Parameters
+     * @param intermediaryApi the ParticipantIntermediaryApi
      * @param clElementHandler the ControlLoop Element Handler
-     * @return ParticipantIntermediaryApi
      */
-    @Bean
-    public ParticipantIntermediaryApi participantIntermediaryApi(ParticipantK8sParameters parameters,
-                                                                 ControlLoopElementHandler clElementHandler) {
-        ParticipantIntermediaryApi intermediaryApi = new ParticipantIntermediaryFactory().createApiImplementation();
-        intermediaryApi.init(parameters.getIntermediaryParameters());
+    @Autowired
+    public void registerControlLoopElementListener(ParticipantIntermediaryApi intermediaryApi,
+            ControlLoopElementHandler clElementHandler) {
         intermediaryApi.registerControlLoopElementListener(clElementHandler);
-        return intermediaryApi;
+        clElementHandler.setIntermediaryApi(intermediaryApi);
     }
 }
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/handler/ControlLoopElementHandler.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/handler/ControlLoopElementHandler.java
index 5f1dcb8d4..6257c3d19 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/handler/ControlLoopElementHandler.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/handler/ControlLoopElementHandler.java
@@ -26,6 +26,7 @@ import java.lang.invoke.MethodHandles;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
+import lombok.Setter;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopElement;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopOrderedState;
 import org.onap.policy.clamp.controlloop.models.controlloop.concepts.ControlLoopState;
@@ -52,7 +53,7 @@ public class ControlLoopElementHandler implements ControlLoopElementListener {
     @Autowired
     private ChartService chartService;
 
-    @Autowired
+    @Setter
     private ParticipantIntermediaryApi intermediaryApi;
 
     // Map of CLElement Id and installed Helm charts
diff --git a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java
index 54eb3b225..a5731da74 100644
--- a/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java
+++ b/participant/participant-impl/participant-impl-kubernetes/src/main/java/org/onap/policy/clamp/controlloop/participant/kubernetes/parameters/ParticipantK8sParameters.java
@@ -25,6 +25,7 @@ import javax.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantIntermediaryParameters;
+import org.onap.policy.clamp.controlloop.participant.intermediary.parameters.ParticipantParameters;
 import org.onap.policy.common.parameters.annotations.Valid;
 import org.springframework.boot.context.properties.ConfigurationProperties;
 import org.springframework.validation.annotation.Validated;
@@ -37,7 +38,7 @@ import org.springframework.validation.annotation.Validated;
 @Getter
 @Setter
 @ConfigurationProperties(prefix = "participant")
-public class ParticipantK8sParameters {
+public class ParticipantK8sParameters implements ParticipantParameters {
 
     @NotNull
     @Valid