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author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:15:21 -0700 |
commit | 13d05bc8458758ee39cb829098241e89616717ee (patch) | |
tree | 22a4d1ce65f15952f07a3df5af4b462b4697cb3a /framework/src/onos/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java | |
parent | 6139282e1e93c2322076de4b91b1c85d0bc4a8b3 (diff) |
ONOS checkin based on commit tag e796610b1f721d02f9b0e213cf6f7790c10ecd60
Change-Id: Ife8810491034fe7becdba75dda20de4267bd15cd
Diffstat (limited to 'framework/src/onos/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java')
-rw-r--r-- | framework/src/onos/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java b/framework/src/onos/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java new file mode 100644 index 00000000..cab6c0ea --- /dev/null +++ b/framework/src/onos/utils/misc/src/main/java/org/onlab/metrics/MetricsUtil.java @@ -0,0 +1,56 @@ +/* + * Copyright 2014 Open Networking Laboratory + * + * 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. + */ + +package org.onlab.metrics; + +import com.codahale.metrics.Timer; +import com.codahale.metrics.Timer.Context; + +public final class MetricsUtil { + + /** + * Starts the Metric Timer. + * <p> + * If the given timer was null, it will silently return null. + * </p> + * + * @param timer timer to start + * @return timing context, if timer was not null + */ + public static Context startTimer(Timer timer) { + if (timer != null) { + return timer.time(); + } + return null; + } + + /** + * Stops the Metric Timer context. + * <p> + * If the given context was null, it will silently be ignored. + * </p> + * + * @param context timing context to stop, if not null. + */ + public static void stopTimer(Context context) { + if (context != null) { + context.stop(); + } + } + + // avoid instantiation + private MetricsUtil() {} +} |