diff options
Diffstat (limited to 'ONAP-XACML/src/main/java/org/onap/policy/xacml/util/MetricsUtil.java')
-rw-r--r-- | ONAP-XACML/src/main/java/org/onap/policy/xacml/util/MetricsUtil.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/ONAP-XACML/src/main/java/org/onap/policy/xacml/util/MetricsUtil.java b/ONAP-XACML/src/main/java/org/onap/policy/xacml/util/MetricsUtil.java new file mode 100644 index 000000000..91e99b88b --- /dev/null +++ b/ONAP-XACML/src/main/java/org/onap/policy/xacml/util/MetricsUtil.java @@ -0,0 +1,80 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP-XACML + * ================================================================================ + * Copyright (C) 2017 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.xacml.util; + +public class MetricsUtil { + + public static class AvgLatency { + private long cumLatency = 0; + private long count = 0; + + public void compute(long latency) { + cumLatency += latency; + count++; + } + + public long avg() { + if (count == 0) + return 0; + + return (cumLatency / count); + } + + public void reset() { + cumLatency = 0; + count = 0; + } + } + + public static class MinLatency { + private long min = Long.MAX_VALUE; + + public synchronized void compute(long ts) { + if (ts < min) + min = ts; + } + + public long min() { + return min; + } + + public void reset() { + min = Long.MAX_VALUE; + } + } + + public static class MaxLatency { + private long max = Long.MIN_VALUE; + + public synchronized void compute(long ts) { + if (ts > max) + max = ts; + } + + public long max() { + return max; + } + + public void reset() { + max = Long.MIN_VALUE; + } + } + +} |