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Diffstat (limited to 'src/main/java/org/onap/aai/sparky/analytics/HistoricalCounter.java')
-rw-r--r-- | src/main/java/org/onap/aai/sparky/analytics/HistoricalCounter.java | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/src/main/java/org/onap/aai/sparky/analytics/HistoricalCounter.java b/src/main/java/org/onap/aai/sparky/analytics/HistoricalCounter.java deleted file mode 100644 index 68305f8..0000000 --- a/src/main/java/org/onap/aai/sparky/analytics/HistoricalCounter.java +++ /dev/null @@ -1,173 +0,0 @@ -/** - * ============LICENSE_START======================================================= - * org.onap.aai - * ================================================================================ - * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved. - * Copyright © 2017-2018 Amdocs - * ================================================================================ - * 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.aai.sparky.analytics; - -/** - * A simple class to model a historical counter. A set of values will be tracked and basic - * statistics will be calculated in real time (n, min, max, avg). - * - * @author davea - */ -public class HistoricalCounter { - - private double min; - - private double max; - - private double totalOfSamples; - - private long numSamples; - - private double value; - - private boolean maintainSingleValue; - - /** - * Instantiates a new historical counter. - * - * @param trackSingleValue the track single value - */ - public HistoricalCounter(boolean trackSingleValue) { - min = -1; - max = 0; - totalOfSamples = 0; - value = 0.0; - numSamples = 0; - this.maintainSingleValue = trackSingleValue; - } - - public boolean isSingleValue() { - return maintainSingleValue; - } - - /** - * Update. - * - * @param value the value - */ - public synchronized void update(double value) { - - if (value < 0) { - return; - } - - if (maintainSingleValue) { - - this.value = value; - - } else { - - if (min == -1) { - min = value; - } - - if (value < min) { - min = value; - } - - if (value > max) { - max = value; - } - - totalOfSamples += value; - numSamples++; - } - } - - public double getValue() { - return value; - } - - public double getMin() { - return min; - } - - public double getMax() { - return max; - } - - public long getNumSamples() { - return numSamples; - } - - public double getAvg() { - if (numSamples == 0) { - return 0; - } - - return (totalOfSamples / numSamples); - } - public void setMin(double min) { - this.min = min; - } - - public void setMax(double max) { - this.max = max; - } - - public double getTotalOfSamples() { - return totalOfSamples; - } - - public void setTotalOfSamples(double totalOfSamples) { - this.totalOfSamples = totalOfSamples; - } - - public void setNumSamples(long numSamples) { - this.numSamples = numSamples; - } - - public void setMaintainSingleValue(boolean maintainSingleValue) { - this.maintainSingleValue = maintainSingleValue; - } - - - /** - * Reset. - */ - public synchronized void reset() { - min = -1; - max = 0; - numSamples = 0; - totalOfSamples = 0; - value = 0.0; - } - - /* (non-Javadoc) - * @see java.lang.Object#toString() - */ - @Override - public String toString() { - StringBuilder sb = new StringBuilder(32); - - if (maintainSingleValue) { - sb.append("[ Val=").append(value).append(" ]"); - } else { - sb.append("[ NumSamples=").append(numSamples).append(","); - sb.append(" Min=").append(min).append(","); - sb.append(" Max=").append(max).append(","); - sb.append(" Avg=").append(getAvg()).append(" ]"); - } - - return sb.toString(); - } - -} |