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-rw-r--r--models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/provider/PdpStatisticsProvider.java208
1 files changed, 208 insertions, 0 deletions
diff --git a/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/provider/PdpStatisticsProvider.java b/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/provider/PdpStatisticsProvider.java
new file mode 100644
index 000000000..f149a3602
--- /dev/null
+++ b/models-pdp/src/main/java/org/onap/policy/models/pdp/persistence/provider/PdpStatisticsProvider.java
@@ -0,0 +1,208 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Model
+ * ================================================================================
+ * Copyright (C) 2019 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.models.pdp.persistence.provider;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+import javax.ws.rs.core.Response;
+import lombok.NonNull;
+import org.onap.policy.models.base.PfKey;
+import org.onap.policy.models.base.PfModelException;
+import org.onap.policy.models.base.PfModelRuntimeException;
+import org.onap.policy.models.base.PfTimestampKey;
+import org.onap.policy.models.base.PfValidationResult;
+import org.onap.policy.models.dao.PfDao;
+import org.onap.policy.models.pdp.concepts.PdpStatistics;
+import org.onap.policy.models.pdp.persistence.concepts.JpaPdpStatistics;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+/**
+ * This class provides the provision of information on PAP concepts in the database to callers.
+ *
+ * @author Ning Xi (ning.xi@est.tech)
+ */
+public class PdpStatisticsProvider {
+ private static final Logger LOGGER = LoggerFactory.getLogger(PdpStatisticsProvider.class);
+
+ // Recurring string constants
+ private static final String NOT_VALID = "\" is not valid \n";
+
+ /**
+ * Get PDP statistics.
+ *
+ * @param dao the DAO to use to access the database
+ * @param name the name of the PDP statistics to get, null to get all PDPs
+ * @return the PDP statistics found
+ * @throws PfModelException on errors getting PDP statistics
+ */
+ public List<PdpStatistics> getPdpStatistics(@NonNull final PfDao dao, final String name, final Date timestamp)
+ throws PfModelException {
+
+ List<PdpStatistics> pdpStatistics = new ArrayList<>();
+ if (name != null) {
+ pdpStatistics
+ .add(dao.get(JpaPdpStatistics.class, new PfTimestampKey(name, PfKey.NULL_KEY_VERSION, timestamp))
+ .toAuthorative());
+ } else {
+ return asPdpStatisticsList(dao.getAll(JpaPdpStatistics.class));
+ }
+ return pdpStatistics;
+ }
+
+ /**
+ * Get filtered PDP statistics.
+ *
+ * @param dao the DAO to use to access the database
+ * @param name the pdpInstance name for the PDP statistics to get
+ * @param pdpGroupName pdpGroupName to filter statistics
+ * @param pdpSubGroup pdpSubGroupType name to filter statistics
+ * @param startTimeStamp startTimeStamp to filter statistics
+ * @param endTimeStamp endTimeStamp to filter statistics
+ * @return the PDP statistics found
+ * @throws PfModelException on errors getting policies
+ */
+ public List<PdpStatistics> getFilteredPdpStatistics(@NonNull final PfDao dao, final String name,
+ @NonNull final String pdpGroupName, final String pdpSubGroup, final Date startTimeStamp,
+ final Date endTimeStamp) {
+ Map<String, Object> filterMap = new HashMap<>();
+ filterMap.put("pdpGroupName", pdpGroupName);
+ if (pdpSubGroup != null) {
+ filterMap.put("pdpSubGroupName", pdpSubGroup);
+ }
+
+ return asPdpStatisticsList(dao.getFiltered(JpaPdpStatistics.class, name, PfKey.NULL_KEY_VERSION, startTimeStamp,
+ endTimeStamp, filterMap));
+ }
+
+ /**
+ * Creates PDP statistics.
+ *
+ * @param dao the DAO to use to access the database
+ * @param pdpStatisticsList a specification of the PDP statistics to create
+ * @return the PDP statistics created
+ * @throws PfModelException on errors creating PDP statistics
+ */
+ public List<PdpStatistics> createPdpStatistics(@NonNull final PfDao dao,
+ @NonNull final List<PdpStatistics> pdpStatisticsList) throws PfModelException {
+
+ for (PdpStatistics pdpStatistics : pdpStatisticsList) {
+ JpaPdpStatistics jpaPdpStatistics = new JpaPdpStatistics();
+ jpaPdpStatistics.fromAuthorative(pdpStatistics);
+
+ PfValidationResult validationResult = jpaPdpStatistics.validate(new PfValidationResult());
+ if (!validationResult.isOk()) {
+ String errorMessage = "pdp statictics \"" + jpaPdpStatistics.getName() + NOT_VALID + validationResult;
+ LOGGER.warn(errorMessage);
+ throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
+ }
+
+ dao.create(jpaPdpStatistics);
+ }
+
+ // Return the created PDP statistics
+ List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
+
+ for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
+ JpaPdpStatistics jpaPdpStatistics =
+ dao.get(JpaPdpStatistics.class, new PfTimestampKey(pdpStatisticsItem.getPdpInstanceId(),
+ PfKey.NULL_KEY_VERSION, pdpStatisticsItem.getTimeStamp()));
+ pdpStatistics.add(jpaPdpStatistics.toAuthorative());
+ }
+
+ return pdpStatistics;
+ }
+
+ /**
+ * Updates PDP statistics.
+ *
+ * @param dao the DAO to use to access the database
+ * @param pdpStatisticsList a specification of the PDP statistics to update
+ * @return the PDP statistics updated
+ * @throws PfModelException on errors updating PDP statistics
+ */
+ public List<PdpStatistics> updatePdpStatistics(@NonNull final PfDao dao,
+ @NonNull final List<PdpStatistics> pdpStatisticsList) throws PfModelException {
+
+ for (PdpStatistics pdpStatistics : pdpStatisticsList) {
+ JpaPdpStatistics jpaPdpStatistics = new JpaPdpStatistics();
+ jpaPdpStatistics.fromAuthorative(pdpStatistics);
+
+ PfValidationResult validationResult = jpaPdpStatistics.validate(new PfValidationResult());
+ if (!validationResult.isOk()) {
+ String errorMessage = "pdp statistics \"" + jpaPdpStatistics.getId() + NOT_VALID + validationResult;
+ LOGGER.warn(errorMessage);
+ throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
+ }
+
+ dao.update(jpaPdpStatistics);
+ }
+
+ // Return the created PDP statistics
+ List<PdpStatistics> pdpStatistics = new ArrayList<>(pdpStatisticsList.size());
+
+ for (PdpStatistics pdpStatisticsItem : pdpStatisticsList) {
+ JpaPdpStatistics jpaPdpStatistics =
+ dao.get(JpaPdpStatistics.class, new PfTimestampKey(pdpStatisticsItem.getPdpInstanceId(),
+ PfKey.NULL_KEY_VERSION, pdpStatisticsItem.getTimeStamp()));
+ pdpStatistics.add(jpaPdpStatistics.toAuthorative());
+ }
+
+ return pdpStatistics;
+ }
+
+ /**
+ * Delete a PDP statistics.
+ *
+ * @param dao the DAO to use to access the database
+ * @param name the name of the policy to get, null to get all PDP statistics
+ * @param timestamp the timeStamp of statistics to delete, null to delete all statistics record of given PDP
+ * @return the PDP statistics list deleted
+ * @throws PfModelException on errors deleting PDP statistics
+ */
+ public List<PdpStatistics> deletePdpStatistics(@NonNull final PfDao dao, @NonNull final String name,
+ final Date timestamp) {
+ List<PdpStatistics> pdpStatisticsListToDel = asPdpStatisticsList(
+ dao.getFiltered(JpaPdpStatistics.class, name, PfKey.NULL_KEY_VERSION, timestamp, timestamp, null));
+
+ pdpStatisticsListToDel.stream().forEach(s -> dao.delete(JpaPdpStatistics.class,
+ new PfTimestampKey(s.getPdpInstanceId(), PfKey.NULL_KEY_VERSION, s.getTimeStamp())));
+
+ return pdpStatisticsListToDel;
+ }
+
+ /**
+ * Convert JPA PDP statistics list to an PDP statistics list.
+ *
+ * @param jpaPdpStatisticsList the list to convert
+ * @return the PDP statistics list
+ */
+ private List<PdpStatistics> asPdpStatisticsList(List<JpaPdpStatistics> jpaPdpStatisticsList) {
+ return jpaPdpStatisticsList.stream().map(JpaPdpStatistics::toAuthorative).collect(Collectors.toList());
+ }
+}