1 files changed, 174 insertions, 0 deletions
diff --git a/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProviderImpl.java b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProviderImpl.java
new file mode 100644
index 0000000000..b1815b5350
--- /dev/null
+++ b/so-monitoring/so-monitoring-handler/src/main/java/org/onap/so/montoring/rest/service/CamundaProcessDataServiceProviderImpl.java
@@ -0,0 +1,174 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. All rights reserved.
+ * ================================================================================
+ * 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.so.montoring.rest.service;
+
+import static org.onap.so.montoring.configuration.rest.HttpServiceProviderConfiguration.CAMUNDA_HTTP_REST_SERVICE_PROVIDER;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import org.onap.so.montoring.camunda.model.ActivityInstance;
+import org.onap.so.montoring.camunda.model.ProcessDefinition;
+import org.onap.so.montoring.camunda.model.ProcessInstance;
+import org.onap.so.montoring.camunda.model.ProcessInstanceVariable;
+import org.onap.so.montoring.configuration.camunda.CamundaRestUrlProvider;
+import org.onap.so.montoring.model.ActivityInstanceDetail;
+import org.onap.so.montoring.model.ProcessDefinitionDetail;
+import org.onap.so.montoring.model.ProcessInstanceDetail;
+import org.onap.so.montoring.model.ProcessInstanceIdDetail;
+import org.onap.so.montoring.model.ProcessInstanceVariableDetail;
+import org.slf4j.ext.XLogger;
+import org.slf4j.ext.XLoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.stereotype.Service;
+
+import com.google.common.base.Optional;
+
+/**
+ * @author waqas.ikram@ericsson.com
+ */
+@Service
+public class CamundaProcessDataServiceProviderImpl implements CamundaProcessDataServiceProvider {
+    private static final XLogger LOGGER = XLoggerFactory.getXLogger(CamundaProcessDataServiceProviderImpl.class);
+
+    private final CamundaRestUrlProvider urlProvider;
+
+    private final HttpRestServiceProvider httpRestServiceProvider;
+
+    @Autowired
+    public CamundaProcessDataServiceProviderImpl(final CamundaRestUrlProvider urlProvider,
+            @Qualifier(CAMUNDA_HTTP_REST_SERVICE_PROVIDER) @Autowired final HttpRestServiceProvider httpRestServiceProvider) {
+        this.urlProvider = urlProvider;
+        this.httpRestServiceProvider = httpRestServiceProvider;
+    }
+
+    @Override
+    public Optional<ProcessInstanceIdDetail> getProcessInstanceIdDetail(final String requestId) {
+        final String url = urlProvider.getHistoryProcessInstanceUrl(requestId);
+        final Optional<ProcessInstance[]> processInstances =
+                httpRestServiceProvider.getHttpResponse(url, ProcessInstance[].class);
+
+        if (processInstances.isPresent()) {
+            final ProcessInstance[] instances = processInstances.get();
+            LOGGER.debug("found process instance for request id: {}, result size: {}", requestId, instances.length);
+
+            if (instances.length > 0) {
+                for (int index = 0; index < instances.length; index++) {
+                    final ProcessInstance processInstance = instances[index];
+                    if (processInstance.getSuperProcessInstanceId() == null) {
+                        return Optional.of(new ProcessInstanceIdDetail(processInstance.getId()));
+                    }
+                    LOGGER.debug("found sub process instance id with super process instanceId: {}",
+                            processInstance.getSuperProcessInstanceId());
+                }
+            }
+        }
+        LOGGER.error("Unable to find process intance for request id: {}", requestId);
+        return Optional.absent();
+    }
+
+    @Override
+    public Optional<ProcessInstanceDetail> getSingleProcessInstanceDetail(final String processInstanceId) {
+        final String url = urlProvider.getSingleProcessInstanceUrl(processInstanceId);
+        final Optional<ProcessInstance> processInstances =
+                httpRestServiceProvider.getHttpResponse(url, ProcessInstance.class);
+
+        if (processInstances.isPresent()) {
+            final ProcessInstance processInstance = processInstances.get();
+
+            final ProcessInstanceDetail instanceDetail =
+                    new ProcessInstanceDetail(processInstance.getId(), processInstance.getProcessDefinitionId(),
+                            processInstance.getProcessDefinitionName(), processInstance.getSuperProcessInstanceId());
+            return Optional.of(instanceDetail);
+
+        }
+        LOGGER.error("Unable to find process intance for id: {}", processInstanceId);
+        return Optional.absent();
+    }
+
+
+    @Override
+    public Optional<ProcessDefinitionDetail> getProcessDefinition(final String processDefinitionId) {
+        final String url = urlProvider.getProcessDefinitionUrl(processDefinitionId);
+        final Optional<ProcessDefinition> response =
+                httpRestServiceProvider.getHttpResponse(url, ProcessDefinition.class);
+        if (response.isPresent()) {
+            final ProcessDefinition processDefinition = response.get();
+            final String xmlDefinition = processDefinition.getBpmn20Xml();
+            if (xmlDefinition != null) {
+                return Optional.of(new ProcessDefinitionDetail(processDefinitionId, xmlDefinition));
+            }
+        }
+        LOGGER.error("Unable to find process definition for processDefinitionId: {}", processDefinitionId);
+        return Optional.absent();
+    }
+
+    @Override
+    public List<ActivityInstanceDetail> getActivityInstance(final String processInstanceId) {
+        final String url = urlProvider.getActivityInstanceUrl(processInstanceId);
+        final Optional<ActivityInstance[]> response =
+                httpRestServiceProvider.getHttpResponse(url, ActivityInstance[].class);
+        if (response.isPresent()) {
+            final ActivityInstance[] activityInstances = response.get();
+            final List<ActivityInstanceDetail> activityInstanceDetails = new ArrayList<>(activityInstances.length);
+            for (int index = 0; index < activityInstances.length; index++) {
+
+                final ActivityInstance activityInstance = activityInstances[index];
+
+                activityInstanceDetails.add(new ActivityInstanceDetail.ActivityInstanceDetailBuilder()
+                        .activityId(activityInstance.getActivityId()).activityName(activityInstance.getActivityName())
+                        .activityType(activityInstance.getActivityType())
+                        .calledProcessInstanceId(activityInstance.getCalledProcessInstanceId())
+                        .startTime(activityInstance.getStartTime()).endTime(activityInstance.getEndTime())
+                        .durationInMilliseconds(activityInstance.getDurationInMillis())
+                        .processInstanceId(activityInstance.getProcessInstanceId()).build());
+
+            }
+            return activityInstanceDetails;
+        }
+        LOGGER.error("Unable to find activity intance detail for process instance id: {}", processInstanceId);
+        return Collections.emptyList();
+    }
+
+    @Override
+    public List<ProcessInstanceVariableDetail> getProcessInstanceVariable(final String processInstanceId) {
+        final String url = urlProvider.getProcessInstanceVariablesUrl(processInstanceId);
+        final Optional<ProcessInstanceVariable[]> response =
+                httpRestServiceProvider.getHttpResponse(url, ProcessInstanceVariable[].class);
+        if (response.isPresent()) {
+            final ProcessInstanceVariable[] instanceVariables = response.get();
+            final List<ProcessInstanceVariableDetail> instanceVariableDetails =
+                    new ArrayList<>(instanceVariables.length);
+            for (int index = 0; index < instanceVariables.length; index++) {
+                final ProcessInstanceVariable processInstanceVariable = instanceVariables[index];
+                final ProcessInstanceVariableDetail instanceVariableDetail =
+                        new ProcessInstanceVariableDetail(processInstanceVariable.getName(),
+                                processInstanceVariable.getValue(), processInstanceVariable.getType());
+                instanceVariableDetails.add(instanceVariableDetail);
+            }
+            return instanceVariableDetails;
+        }
+        LOGGER.error("Unable to find process intance variable details for process instance id: {}", processInstanceId);
+        return Collections.emptyList();
+    }
+
+}