2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2020-2021 Nordix Foundation.
4 * Modifications Copyright (C) 2019, 2021 AT&T Intellectual Property.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.pap.main.rest;
24 import java.util.ArrayList;
25 import java.util.HashMap;
26 import java.util.List;
28 import javax.ws.rs.core.Response;
29 import org.onap.policy.common.utils.services.Registry;
30 import org.onap.policy.models.base.PfModelException;
31 import org.onap.policy.models.base.PfModelRuntimeException;
32 import org.onap.policy.models.pdp.concepts.PdpStatistics;
33 import org.onap.policy.models.pdp.persistence.provider.PdpFilterParameters;
34 import org.onap.policy.models.provider.PolicyModelsProvider;
35 import org.onap.policy.pap.main.PapConstants;
36 import org.onap.policy.pap.main.PolicyModelsProviderFactoryWrapper;
37 import org.onap.policy.pap.main.startstop.PapActivator;
40 * Class to fetch statistics of pap component.
42 * @author Ram Krishna Verma (ram.krishna.verma@est.tech)
44 public class StatisticsRestProvider {
45 private static final String GET_STATISTICS_ERR_MSG = "database query failed";
48 * Returns the current statistics of pap component.
50 * @return Report containing statistics of pap component
52 public StatisticsReport fetchCurrentStatistics() {
53 final var report = new StatisticsReport();
54 report.setCode(Registry.get(PapConstants.REG_PAP_ACTIVATOR, PapActivator.class).isAlive() ? 200 : 500);
56 PapStatisticsManager mgr = Registry.get(PapConstants.REG_STATISTICS_MANAGER, PapStatisticsManager.class);
57 report.setTotalPdpCount(mgr.getTotalPdpCount());
58 report.setTotalPdpGroupCount(mgr.getTotalPdpGroupCount());
59 report.setTotalPolicyDownloadCount(mgr.getTotalPolicyDownloadCount());
60 report.setPolicyDownloadSuccessCount(mgr.getPolicyDownloadSuccessCount());
61 report.setPolicyDownloadFailureCount(mgr.getPolicyDownloadFailureCount());
62 report.setTotalPolicyDeployCount(mgr.getTotalPolicyDeployCount());
63 report.setPolicyDeploySuccessCount(mgr.getPolicyDeploySuccessCount());
64 report.setPolicyDeployFailureCount(mgr.getPolicyDeployFailureCount());
70 * Returns statistics of pdp component from database.
72 * @param filter record filter
73 * @return Report containing statistics of pdp component
74 * @throws PfModelException when database can not found
76 public Map<String, Map<String, List<PdpStatistics>>> fetchDatabaseStatistics(PdpFilterParameters filter)
77 throws PfModelException {
78 final PolicyModelsProviderFactoryWrapper modelProviderWrapper =
79 Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
80 try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
81 return generatePdpStatistics(databaseProvider.getFilteredPdpStatistics(filter));
83 } catch (final PfModelException exp) {
84 throw new PfModelRuntimeException(Response.Status.INTERNAL_SERVER_ERROR, GET_STATISTICS_ERR_MSG);
89 * generate the statistics of pap component by group/subgroup.
92 private Map<String, Map<String, List<PdpStatistics>>> generatePdpStatistics(List<PdpStatistics> pdpStatisticsList) {
93 Map<String, Map<String, List<PdpStatistics>>> groupMap = new HashMap<>();
94 if (pdpStatisticsList != null) {
95 pdpStatisticsList.stream().forEach(s -> {
96 String curGroup = s.getPdpGroupName();
97 String curSubGroup = s.getPdpSubGroupName();
98 groupMap.computeIfAbsent(curGroup, curGroupMap -> new HashMap<>())
99 .computeIfAbsent(curSubGroup, curSubGroupList -> new ArrayList<>()).add(s);