Add support startPhase in all state transitions

Issue-ID: POLICY-3785
Change-Id: I1b5821cc42cdbb63e3172596431dc561ced09c55
Signed-off-by: FrancescoFioraEst <francesco.fiora@est.tech>

2 files changed, 108 insertions, 0 deletions

diff --git a/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java b/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java
index 4c3dd4b06..c05311892 100644
--- a/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java
+++ b/models/src/main/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtils.java
@@ -57,6 +57,30 @@ public final class ParticipantUtils {
     }
 
     /**
+     * Get the First StartPhase
+     * it depend of the state of the Control Loop
+     * and also from the all startPhase defined into the ToscaServiceTemplate.
+     * @param controlLoop the ControlLoop
+     * @param toscaServiceTemplate the ToscaServiceTemplate
+     * @return the First StartPhase
+     */
+    public static int getFirstStartPhase(ControlLoop controlLoop, ToscaServiceTemplate toscaServiceTemplate) {
+        var minStartPhase = 1000;
+        var maxStartPhase = 0;
+        for (var element : controlLoop.getElements().values()) {
+            ToscaNodeTemplate toscaNodeTemplate = toscaServiceTemplate.getToscaTopologyTemplate().getNodeTemplates()
+                    .get(element.getDefinition().getName());
+            int startPhase = ParticipantUtils.findStartPhase(toscaNodeTemplate.getProperties());
+            minStartPhase = Math.min(minStartPhase, startPhase);
+            maxStartPhase = Math.max(maxStartPhase, startPhase);
+        }
+
+        return ControlLoopState.UNINITIALISED2PASSIVE.equals(controlLoop.getState())
+                || ControlLoopState.PASSIVE2RUNNING.equals(controlLoop.getState()) ? minStartPhase
+                        : maxStartPhase;
+    }
+
+    /**
      * Finds startPhase from a map of properties.
      *
      * @param properties Map of properties
diff --git a/models/src/test/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtilsTest.java b/models/src/test/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtilsTest.java
new file mode 100644
index 000000000..3fb8b6d7f
--- /dev/null
+++ b/models/src/test/java/org/onap/policy/clamp/controlloop/models/controlloop/concepts/ParticipantUtilsTest.java
@@ -0,0 +1,84 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.models.controlloop.concepts;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.Map;
+import org.junit.jupiter.api.Test;
+import org.onap.policy.common.utils.coder.Coder;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+import org.onap.policy.common.utils.coder.StandardYamlCoder;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaNodeTemplate;
+import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
+
+class ParticipantUtilsTest {
+
+    private static final Coder CODER = new StandardCoder();
+    private static final String TOSCA_TEMPLATE_YAML = "examples/controlloop/PMSubscriptionHandling.yaml";
+    private static final String CONTROL_LOOP_JSON = "src/test/resources/providers/TestControlLoops.json";
+    private static final String CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.ControlLoopElement";
+    private static final String POLICY_CONTROL_LOOP_ELEMENT =
+            "org.onap.policy.clamp.controlloop.PolicyControlLoopElement";
+    private static final String PARTICIPANT_CONTROL_LOOP_ELEMENT = "org.onap.policy.clamp.controlloop.Participant";
+    private static final StandardYamlCoder YAML_TRANSLATOR = new StandardYamlCoder();
+
+    @Test
+    void testFindParticipantType() throws CoderException {
+        var identifier = new ToscaConceptIdentifier("Identifier", "1.0.1");
+        var result = ParticipantUtils.findParticipantType(Map.of("participantType", CODER.encode(identifier)));
+        assertThat(result).isEqualTo(identifier);
+    }
+
+    @Test
+    void testFindStartPhase() {
+        var identifier = 13;
+        var result = ParticipantUtils.findStartPhase(Map.of("startPhase", identifier));
+        assertThat(result).isEqualTo(identifier);
+    }
+
+    @Test
+    void testGetFirstStartPhase() throws CoderException {
+        var serviceTemplate = YAML_TRANSLATOR.decode(ResourceUtils.getResourceAsStream(TOSCA_TEMPLATE_YAML),
+                ToscaServiceTemplate.class);
+        var controlLoops = CODER.decode(ResourceUtils.getResourceAsString(CONTROL_LOOP_JSON), ControlLoops.class);
+        var result = ParticipantUtils.getFirstStartPhase(controlLoops.getControlLoopList().get(0), serviceTemplate);
+        assertThat(result).isZero();
+    }
+
+    @Test
+    void testCheckIfNodeTemplateIsControlLoopElement() throws CoderException {
+        var serviceTemplate = YAML_TRANSLATOR.decode(ResourceUtils.getResourceAsStream(TOSCA_TEMPLATE_YAML),
+                ToscaServiceTemplate.class);
+        var nodeTemplate = new ToscaNodeTemplate();
+        nodeTemplate.setType(CONTROL_LOOP_ELEMENT);
+        assertThat(ParticipantUtils.checkIfNodeTemplateIsControlLoopElement(nodeTemplate, serviceTemplate)).isTrue();
+
+        nodeTemplate.setType(POLICY_CONTROL_LOOP_ELEMENT);
+        assertThat(ParticipantUtils.checkIfNodeTemplateIsControlLoopElement(nodeTemplate, serviceTemplate)).isTrue();
+
+        nodeTemplate.setType(PARTICIPANT_CONTROL_LOOP_ELEMENT);
+        assertThat(ParticipantUtils.checkIfNodeTemplateIsControlLoopElement(nodeTemplate, serviceTemplate)).isFalse();
+    }
+}