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Merge pull request #179 from tsegismont/jira/HWKMETRICS-35
HWKMETRICS-35 Availability REST API Calculations Required for MVP2 given a date range
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178 changes: 178 additions & 0 deletions
178
...ics-core-api/src/main/java/org/hawkular/metrics/core/api/AvailabilityBucketDataPoint.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,178 @@ | ||
| /* | ||
| * Copyright 2014-2015 Red Hat, Inc. and/or its affiliates | ||
| * and other contributors as indicated by the @author tags. | ||
| * | ||
| * 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.hawkular.metrics.core.api; | ||
|
|
||
| import static java.lang.Double.NaN; | ||
| import static java.lang.Double.isNaN; | ||
|
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| import com.wordnik.swagger.annotations.ApiModel; | ||
| import com.wordnik.swagger.annotations.ApiModelProperty; | ||
|
|
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| /** | ||
| * Statistics for availability data in a time range. | ||
| * | ||
| * @author Thomas Segismont | ||
| */ | ||
| @ApiModel(value = "Statistics for availability data in a time range.") | ||
| public class AvailabilityBucketDataPoint { | ||
| private long start; | ||
| private long end; | ||
| private long downtimeDuration; | ||
| private long lastDowntime; | ||
| private double uptimeRatio; | ||
| private long downtimeCount; | ||
|
|
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| public AvailabilityBucketDataPoint( | ||
| long start, | ||
| long end, | ||
| long downtimeDuration, | ||
| long lastDowntime, | ||
| double uptimeRatio, | ||
| long downtimeCount | ||
| ) { | ||
| this.start = start; | ||
| this.end = end; | ||
| this.downtimeDuration = downtimeDuration; | ||
| this.lastDowntime = lastDowntime; | ||
| this.uptimeRatio = uptimeRatio; | ||
| this.downtimeCount = downtimeCount; | ||
| } | ||
|
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| @ApiModelProperty(value = "Start timestamp of this bucket in milliseconds since epoch") | ||
| public long getStart() { | ||
| return start; | ||
| } | ||
|
|
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| public void setStart(long start) { | ||
| this.start = start; | ||
| } | ||
|
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| @ApiModelProperty(value = "End timestamp of this bucket in milliseconds since epoch") | ||
| public long getEnd() { | ||
| return end; | ||
| } | ||
|
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| public void setEnd(long end) { | ||
| this.end = end; | ||
| } | ||
|
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| @ApiModelProperty(value = "Total downtime duration in milliseconds") | ||
| public long getDowntimeDuration() { | ||
| return downtimeDuration; | ||
| } | ||
|
|
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| public void setDowntimeDuration(long downtimeDuration) { | ||
| this.downtimeDuration = downtimeDuration; | ||
| } | ||
|
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| @ApiModelProperty(value = "Time of the last downtime in milliseconds since epoch") | ||
| public long getLastDowntime() { | ||
| return lastDowntime; | ||
| } | ||
|
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| public void setLastDowntime(long lastDowntime) { | ||
| this.lastDowntime = lastDowntime; | ||
| } | ||
|
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| @ApiModelProperty(value = "Ratio of uptime to the length of the bucket") | ||
| public double getUptimeRatio() { | ||
| return uptimeRatio; | ||
| } | ||
|
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| public void setUptimeRatio(double uptimeRatio) { | ||
| this.uptimeRatio = uptimeRatio; | ||
| } | ||
|
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| @ApiModelProperty(value = "Number of downtime periods in the bucket") | ||
| public long getDowntimeCount() { | ||
| return downtimeCount; | ||
| } | ||
|
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| public void setDowntimeCount(long downtimeCount) { | ||
| this.downtimeCount = downtimeCount; | ||
| } | ||
|
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| public boolean isEmpty() { | ||
| return isNaN(uptimeRatio); | ||
| } | ||
|
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| @Override | ||
| public String toString() { | ||
| return "AvailabilityBucketDataPoint[" + | ||
| "start=" + start + | ||
| ", end=" + end + | ||
| ", downtimeDuration=" + downtimeDuration + | ||
| ", lastDowntime=" + lastDowntime + | ||
| ", uptimeRatio=" + uptimeRatio + | ||
| ", downtimeCount=" + downtimeCount + | ||
| ']'; | ||
| } | ||
|
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| /** | ||
| * Create {@link AvailabilityBucketDataPoint} instances following the builder pattern. | ||
| */ | ||
| public static class Builder { | ||
| private final long start; | ||
| private final long end; | ||
| private long downtimeDuration = 0; | ||
| private long lastDowntime = 0; | ||
| private double uptimeRatio = NaN; | ||
| private long downtimeCount = 0; | ||
|
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| /** | ||
| * Creates a builder for an initially empty instance, configurable with the builder setters. | ||
| * | ||
| * @param start the start timestamp of this bucket data point | ||
| * @param end the end timestamp of this bucket data point | ||
| */ | ||
| public Builder(long start, long end) { | ||
| this.start = start; | ||
| this.end = end; | ||
| } | ||
|
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| public Builder setDowntimeDuration(long downtimeDuration) { | ||
| this.downtimeDuration = downtimeDuration; | ||
| return this; | ||
| } | ||
|
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| public Builder setLastDowntime(long lastDowntime) { | ||
| this.lastDowntime = lastDowntime; | ||
| return this; | ||
| } | ||
|
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| public Builder setUptimeRatio(double uptimeRatio) { | ||
| this.uptimeRatio = uptimeRatio; | ||
| return this; | ||
| } | ||
|
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| public Builder setDowntimeCount(long downtimeCount) { | ||
| this.downtimeCount = downtimeCount; | ||
| return this; | ||
| } | ||
|
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| public AvailabilityBucketDataPoint build() { | ||
| return new AvailabilityBucketDataPoint( | ||
| start, | ||
| end, | ||
| downtimeDuration, | ||
| lastDowntime, | ||
| uptimeRatio, | ||
| downtimeCount | ||
| ); | ||
| } | ||
| } | ||
| } |
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