diff options
Diffstat (limited to 'policy-management/src/main/java/org/onap/policy/drools/stats')
-rw-r--r-- | policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java | 121 | ||||
-rw-r--r-- | policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java | 52 |
2 files changed, 173 insertions, 0 deletions
diff --git a/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java new file mode 100644 index 00000000..d6d8d500 --- /dev/null +++ b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStats.java @@ -0,0 +1,121 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2021 AT&T Intellectual Property. 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.drools.stats; + +import static org.slf4j.LoggerFactory.getLogger; + +import java.time.Instant; +import lombok.Data; +import lombok.EqualsAndHashCode; +import lombok.NoArgsConstructor; +import lombok.NonNull; +import lombok.ToString; +import org.onap.policy.drools.metrics.TransMetric; +import org.slf4j.Logger; + +/** + * Basic policy execution statistics. + */ + +@Data +@NoArgsConstructor +@EqualsAndHashCode +@ToString +public class PolicyStats { + + private static final Logger logger = getLogger(PolicyStats.class); + + /** + * Number of executed policy transactions. + */ + private long policyExecutedCount; + + /** + * Number of successfully executed policy transactions. + */ + private long policyExecutedSuccessCount; + + /** + * Number of failed executions of policy transactions. + */ + private long policyExecutedFailCount; + + /** + * Last time the policy transaction was executed. + */ + private long lastExecutionTime; + + /** + * Average execution time of a policy transaction. + */ + private double averageExecutionTime; + + /** + * Total policy execution times. + */ + private double totalElapsedTime; + + /** + * Uptime of the entity holding the stats. + */ + private long birthTime = Instant.now().toEpochMilli(); + + /** + * Time last transaction was started. + */ + private long lastStart; + + /** + * add a stat transaction record. + */ + public void stat(@NonNull TransMetric trans) { + policyExecutedCount++; + if (trans.isSuccess()) { + policyExecutedSuccessCount++; + } else { + policyExecutedFailCount++; + } + + // make sure transaction has values that we care about + + if (trans.getStartTime() == null) { + logger.warn("policy transaction contains no start time: {}", trans); + trans.setStartTime(null); + } + + if (trans.getEndTime() == null) { + logger.warn("policy transaction contains no end time: {}", trans); + trans.setEndTime(null); + } + + if (trans.getElapsedTime() == null) { + logger.warn("policy transaction contains no elapsed time: {}", trans); + trans.setElapsedTime(null); + } + + // compute after the preconditions are satisfied + + lastExecutionTime = trans.getEndTime().toEpochMilli(); + totalElapsedTime += trans.getElapsedTime(); + averageExecutionTime = totalElapsedTime / policyExecutedCount; + lastStart = trans.getStartTime().toEpochMilli(); + } +} diff --git a/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java new file mode 100644 index 00000000..bb1b2679 --- /dev/null +++ b/policy-management/src/main/java/org/onap/policy/drools/stats/PolicyStatsManager.java @@ -0,0 +1,52 @@ +/* + * ============LICENSE_START======================================================= + * ONAP + * ================================================================================ + * Copyright (C) 2021 AT&T Intellectual Property. 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.policy.drools.stats; + +import java.util.HashMap; +import java.util.Map; +import lombok.Data; +import lombok.EqualsAndHashCode; +import lombok.NoArgsConstructor; +import lombok.NonNull; +import lombok.ToString; +import org.onap.policy.drools.metrics.TransMetric; + +/** + * Policy Stats Manager that manages PDP-D statistics. + */ + +@NoArgsConstructor +@Data +@EqualsAndHashCode +@ToString +public class PolicyStatsManager { + + private final PolicyStats groupStat = new PolicyStats(); + private final Map<String, PolicyStats> subgroupStats = new HashMap<>(); + + /** + * stat a new transaction. + */ + public synchronized void stat(@NonNull String subGroupName, @NonNull TransMetric transaction) { + groupStat.stat(transaction); + subgroupStats.computeIfAbsent(subGroupName, key -> new PolicyStats()).stat(transaction); + } +} |