Create WaitForPnfReadyBB

Issue-ID: SO-2606
Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>
Change-Id: I55281130c8ce0fde68d7a0554dd9023e44b9f2b0
Signed-off-by: Lukasz Muszkieta <lukasz.muszkieta@nokia.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/RegisterForPnfReadyEvent.java b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/RegisterForPnfReadyEvent.java
new file mode 100644
index 0000000000..f0eadbbf78
--- /dev/null
+++ b/bpmn/so-bpmn-infrastructure-common/src/main/java/org/onap/so/bpmn/infrastructure/pnf/delegate/RegisterForPnfReadyEvent.java
@@ -0,0 +1,99 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2020 Nokia.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.bpmn.infrastructure.pnf.delegate;
+
+import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.TIMEOUT_FOR_NOTIFICATION;
+import com.google.common.base.Strings;
+import org.camunda.bpm.engine.RuntimeService;
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.camunda.bpm.engine.delegate.JavaDelegate;
+import org.onap.so.bpmn.common.BuildingBlockExecution;
+import org.onap.so.bpmn.infrastructure.pnf.dmaap.DmaapClient;
+import org.onap.so.bpmn.servicedecomposition.bbobjects.Pnf;
+import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
+import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
+import org.onap.so.client.exception.BBObjectNotFoundException;
+import org.onap.so.client.exception.ExceptionBuilder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+/**
+ * This class is designed to be used within WaitForPnfReadyBB
+ */
+@Component
+public class RegisterForPnfReadyEvent implements JavaDelegate {
+
+    private static final String ERROR_MESSAGE_PNF_NOT_FOUND =
+            "pnf resource not found in buildingBlockExecution while registering to dmaap listener";
+    private static final Logger LOGGER = LoggerFactory.getLogger(RegisterForPnfReadyEvent.class);
+
+    private DmaapClient dmaapClient;
+    private ExtractPojosForBB extractPojosForBB;
+    private ExceptionBuilder exceptionBuilder;
+    private String pnfEntryNotificationTimeout;
+
+    @Autowired
+    public RegisterForPnfReadyEvent(DmaapClient dmaapClient, ExtractPojosForBB extractPojosForBB,
+            ExceptionBuilder exceptionBuilder,
+            @Value("${aai.pnfEntryNotificationTimeout}") String pnfEntryNotificationTimeout) {
+        this.dmaapClient = dmaapClient;
+        this.extractPojosForBB = extractPojosForBB;
+        this.exceptionBuilder = exceptionBuilder;
+        this.pnfEntryNotificationTimeout = pnfEntryNotificationTimeout;
+    }
+
+    @Override
+    public void execute(DelegateExecution execution) {
+        try {
+            String pnfName = getPnfName(execution);
+            fillExecution(execution, pnfName);
+            RuntimeService runtimeService = execution.getProcessEngineServices().getRuntimeService();
+            dmaapClient.registerForUpdate(pnfName, () -> runtimeService.createMessageCorrelation("WorkflowMessage")
+                    .processInstanceBusinessKey(execution.getProcessBusinessKey()).correlateWithResult());
+        } catch (BBObjectNotFoundException e) {
+            LOGGER.error(ERROR_MESSAGE_PNF_NOT_FOUND);
+            exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, ERROR_MESSAGE_PNF_NOT_FOUND);
+        }
+    }
+
+    private void fillExecution(DelegateExecution execution, String pnfName) {
+        execution.setVariable(ExecutionVariableNames.PNF_CORRELATION_ID, pnfName);
+        if (Strings.isNullOrEmpty(pnfEntryNotificationTimeout)) {
+            exceptionBuilder.buildAndThrowWorkflowException(execution, 7000,
+                    "pnfEntryNotificationTimeout value not defined");
+        }
+        execution.setVariable(TIMEOUT_FOR_NOTIFICATION, pnfEntryNotificationTimeout);
+    }
+
+    private String getPnfName(DelegateExecution execution) throws BBObjectNotFoundException {
+        BuildingBlockExecution buildingBlockExecution =
+                (BuildingBlockExecution) execution.getVariable("gBuildingBlockExecution");
+        Pnf pnf = extractPojosForBB.extractByKey(buildingBlockExecution, ResourceKey.PNF);
+        String pnfName = pnf.getPnfName();
+        if (Strings.isNullOrEmpty(pnfName)) {
+            exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, "pnf name is not set");
+        }
+        return pnfName;
+    }
+}