add interval splitting for bar charts

This commit is contained in:
2020-04-05 08:14:09 +02:00
parent 75391f21ff
commit 50f555d23c
19 changed files with 600 additions and 80 deletions

View File

@@ -126,7 +126,7 @@ public class AggregateHandlerCollection {
if (optionalAggregator.isPresent()) {
final CustomAggregator aggregator = optionalAggregator.get();
if (aggregator instanceof IndexedAggregator) {
((IndexedAggregator) aggregator).setIndex(index);
((IndexedAggregator) aggregator).setIndex(index, dataSeries.size());
index++;
}

View File

@@ -0,0 +1,20 @@
package org.lucares.pdb.plot.api;
import org.lucares.recommind.logs.GnuplotAxis;
public interface BarChart extends IndexedAggregator {
String asCsv();
String getDataName();
/**
* Total number of values over all intervals.
*
* @return
*/
long getCount();
String renderLabels(GnuplotAxis xAxis);
}

View File

@@ -5,17 +5,20 @@ import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Locale;
import java.util.UUID;
import org.lucares.pdb.api.RuntimeIOException;
import org.lucares.recommind.logs.GnuplotAxis;
public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
public class BarChartAggregator implements CustomAggregator, IndexedAggregator, BarChart {
long count = 0;
private final Path tmpDir;
private Long index = null;
private Long numberOfDataSeries;
private final String dataName = "$data" + UUID.randomUUID().toString().replace("-", "");
@@ -25,8 +28,9 @@ public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
}
@Override
public void setIndex(final long index) {
public void setIndex(final long index, final long numberOfDataSeries) {
this.index = index;
this.numberOfDataSeries = numberOfDataSeries;
}
@Override
@@ -37,6 +41,15 @@ public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
return this.index;
}
@Override
public long getNumberOfDataSeries() throws IllegalStateException {
if (this.numberOfDataSeries == null) {
throw new IllegalStateException("index was not set");
}
return this.numberOfDataSeries;
}
@Override
public long getCount() {
return count;
}
@@ -46,6 +59,7 @@ public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
count++;
}
@Override
public String asCsv() {
final StringBuilder csv = new StringBuilder();
@@ -77,9 +91,19 @@ public class BarChartAggregator implements CustomAggregator, IndexedAggregator {
return Aggregate.BAR;
}
@Override
public String getDataName() {
return dataName;
}
@Override
public String renderLabels(final GnuplotAxis xAxis) {
return String.format("set label at %s %f, %d '%s' center front offset 0,0.3", // front
xAxis == GnuplotAxis.X1 ? "first" : "second", //
getIndex() + 0.5, //
getCount(), //
String.format(Locale.US, "%,d", getCount()));
}
}

View File

@@ -0,0 +1,145 @@
package org.lucares.pdb.plot.api;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Locale;
import java.util.Map;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicLong;
import org.lucares.pdb.api.RuntimeIOException;
import org.lucares.recommind.logs.GnuplotAxis;
public class BarChartAggregatorForIntervals implements CustomAggregator, IndexedAggregator, BarChart {
private final Path tmpDir;
private Long index = null;
private Long numberOfDataSeries;
private final String dataName = "$data" + UUID.randomUUID().toString().replace("-", "");
private final Interval interval;
private final Map<String, AtomicLong> buckets;
private int count;
public BarChartAggregatorForIntervals(final Path tmpDir, final Interval interval) {
this.tmpDir = tmpDir;
this.interval = interval;
buckets = interval.getBuckets();
}
@Override
public void setIndex(final long index, final long numberOfDataSeries) {
this.index = index;
this.numberOfDataSeries = numberOfDataSeries;
}
@Override
public long getCount() {
return count;
}
@Override
public long getIndex() throws IllegalStateException {
if (this.index == null) {
throw new IllegalStateException("index was not set");
}
return this.index;
}
@Override
public long getNumberOfDataSeries() throws IllegalStateException {
if (this.numberOfDataSeries == null) {
throw new IllegalStateException("index was not set");
}
return this.numberOfDataSeries;
}
@Override
public void addValue(final long epochMilli, final long value) {
try {
final String bucketId = interval.toBucket(epochMilli);
buckets.get(bucketId).incrementAndGet();
count++;
} catch (final NullPointerException e) {
System.out.println();
}
}
@Override
public String asCsv() {
final StringBuilder csv = new StringBuilder();
int offset = 0;
for (final String bucketId : bucketIds()) {
final long count = buckets.get(bucketId).get();
csv.append(getIndex() + 0.5 + offset);
csv.append(",");
csv.append(bucketId);
csv.append(",");
csv.append(count);
csv.append("\n");
offset += numberOfDataSeries;
}
return csv.toString();
}
private SortedSet<String> bucketIds() {
return new TreeSet<>(buckets.keySet());
}
@Override
public AggregatedData getAggregatedData() {
try {
final File dataFile = File.createTempFile("bar", ".dat", tmpDir.toFile());
final String csv = asCsv();
Files.writeString(dataFile.toPath(), csv, StandardCharsets.UTF_8);
final AggregatedData result = new AggregatedData("label", dataFile);
return result;
} catch (final IOException e) {
throw new RuntimeIOException(e);
}
}
@Override
public Aggregate getType() {
return Aggregate.BAR;
}
@Override
public String getDataName() {
return dataName;
}
@Override
public String renderLabels(final GnuplotAxis xAxis) {
final StringBuilder result = new StringBuilder();
int offset = 0;
for (final String bucketId : bucketIds()) {
final long count = buckets.get(bucketId).get();
final String label = String.format("set label at %s %f, %d '%s' center front offset 0,0.3\n", // front
xAxis == GnuplotAxis.X1 ? "first" : "second", //
getIndex() + 0.5 + offset, //
count, //
String.format(Locale.US, "%,d", count));
result.append(label);
offset += numberOfDataSeries;
}
return result.toString();
}
}

View File

@@ -4,7 +4,6 @@ import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Locale;
import java.util.Optional;
import org.lucares.recommind.logs.AxisSettings;
@@ -43,8 +42,9 @@ public class BarChartHandler extends AggregateHandler {
result.setType(Type.Group);
result.setAxis(getxAxis());
result.setTicsEnabled(false);
// TODO revert next two lines
result.setFrom("0");
result.setTo(String.valueOf(dataSeries.size()));
// result.setTo(String.valueOf(dataSeries.size()));
final List<String> ticsLabels = new ArrayList<>();
int index = 1;
@@ -60,18 +60,14 @@ public class BarChartHandler extends AggregateHandler {
String beforePlot(final CustomAggregator aggregator, final GnuplotSettings settings) {
final StringBuilder result = new StringBuilder();
final BarChartAggregator barAggregator = (BarChartAggregator) aggregator;
final BarChart barAggregator = (BarChart) aggregator;
appendfln(result, "%s <<EOD", barAggregator.getDataName());
appendln(result, barAggregator.asCsv());
appendln(result, "EOD");
if (settings.isRenderLabels()) {
appendfln(result, "set label at %s %f, %d '%s' center front offset 0,0.3", // front
getxAxis() == GnuplotAxis.X1 ? "first" : "second", //
barAggregator.getIndex() + 0.5, //
barAggregator.getCount(), //
String.format(Locale.US, "%,d", barAggregator.getCount()));
appendfln(result, barAggregator.renderLabels(getxAxis()));
}
return result.toString();
@@ -80,20 +76,7 @@ public class BarChartHandler extends AggregateHandler {
@Override
String addPlot(final CustomAggregator aggregator, final LineStyle lineStyle, final Optional<String> title) {
final BarChartAggregator barAggregator = (BarChartAggregator) aggregator;
/*
* appendfln(result,
* "'%s' using 1:3:xtic(2) notitle with %s axes %s fs solid %s, \\", //
* aggregatedData.getDataFile(), // GnuplotLineType.Bar, // gnuplotXYAxis(), //
* lineStyle// );
*/
// return formatln("'%s' using 1:3:xtic(2) %s with %s axes %s fs solid %s, \\", //
// barAggregator.getDataName(), //
// gnuplotTitle(title), //
// GnuplotLineType.Bar, //
// gnuplotXYAxis(), //
// lineStyle.asGnuplotLineStyleBright()//
// );
final BarChart barAggregator = (BarChart) aggregator;
return formatln("'%s' using 1:3:%stic(2) %s with %s axes %s fs solid %s, \\", //
barAggregator.getDataName(), //
@@ -108,7 +91,11 @@ public class BarChartHandler extends AggregateHandler {
@Override
CustomAggregator createCustomAggregator(final Path tmpDir, final PlotSettings plotSettings,
final long fromEpochMilli, final long toEpochMilli) {
return new BarChartAggregator(tmpDir);
if (plotSettings.getInterval().isPresent()) {
return new BarChartAggregatorForIntervals(tmpDir, plotSettings.getInterval().get());
} else {
return new BarChartAggregator(tmpDir);
}
}
}

View File

@@ -4,8 +4,10 @@ public interface IndexedAggregator {
/**
* Set the index of this {@link CustomAggregator}.
*
* @param numberOfDataSeries
*/
public void setIndex(long index);
public void setIndex(long index, long numberOfDataSeries);
/**
* Returns the index.
@@ -13,4 +15,12 @@ public interface IndexedAggregator {
* @throws IllegalStateException if the index was no set
*/
public long getIndex() throws IllegalStateException;
/**
* Returns the number of dataSeries.
*
* @return number of data series
* @throws IllegalStateException if the number of data series was not set
*/
public long getNumberOfDataSeries() throws IllegalStateException;
}

View File

@@ -0,0 +1,117 @@
package org.lucares.pdb.plot.api;
import java.time.temporal.ChronoUnit;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicLong;
import org.lucares.pdb.api.DateTimeRange;
import org.lucares.utils.LongToDateBucket;
public class Interval {
public enum IntervalTimeUnit {
MINUTE, HOUR, DAY, WEEK, MONTH, YEAR;
public static boolean isValid(final String value) {
for (final IntervalTimeUnit e : values()) {
if (e.name().equals(value)) {
return true;
}
}
return false;
}
public ChronoUnit toChronoUnit() {
switch (this) {
case MINUTE:
return ChronoUnit.MINUTES;
case HOUR:
return ChronoUnit.HOURS;
case DAY:
return ChronoUnit.DAYS;
case WEEK:
return ChronoUnit.WEEKS;
case MONTH:
return ChronoUnit.MONTHS;
case YEAR:
return ChronoUnit.YEARS;
default:
throw new IllegalArgumentException("Unexpected value: " + this);
}
}
}
private final IntervalTimeUnit intervalTimeUnit;
private final int value;
private final DateTimeRange dateTimeRange;
private final LongToDateBucket bucketer;
private Interval(final String intervalTimeUnit, final int value, final DateTimeRange dateTimeRange) {
this.dateTimeRange = dateTimeRange;
this.intervalTimeUnit = IntervalTimeUnit.valueOf(intervalTimeUnit);
this.value = value;
this.bucketer = new LongToDateBucket(toDateFormatForBucketer(this.intervalTimeUnit),
this.intervalTimeUnit.toChronoUnit());
}
private String toDateFormatForBucketer(final IntervalTimeUnit intervalTimeUnit) {
switch (intervalTimeUnit) {
case MINUTE:
return "yyyyMMddHHmm";
case HOUR:
return "yyyyMMddHH";
case DAY:
return "yyyyMMdd";
case WEEK:
return "YYYYww"; // use week based year! Otherwise intervals over the year boundary will be wrong
case MONTH:
return "yyyyMM";
case YEAR:
return "yyyy";
default:
throw new IllegalArgumentException("Unexpected value: " + intervalTimeUnit);
}
}
public String toBucket(final long epochMilli) {
return bucketer.toPartitionId(epochMilli);
}
public IntervalTimeUnit getIntervalTimeUnit() {
return intervalTimeUnit;
}
public int getValue() {
return value;
}
@Override
public String toString() {
return value + " " + intervalTimeUnit;
}
public static Interval create(final String intervalUnit, final int intervalValue,
final DateTimeRange dateTimeRange) {
if (IntervalTimeUnit.isValid(intervalUnit)) {
return new Interval(intervalUnit, intervalValue, dateTimeRange);
}
return null;
}
public Map<String, AtomicLong> getBuckets() {
final Map<String, AtomicLong> result = new HashMap<>();
final List<String> bucketIds = bucketer.toPartitionIds(dateTimeRange.getStart(), dateTimeRange.getEnd(),
intervalTimeUnit.toChronoUnit());
for (final String bucketId : bucketIds) {
result.put(bucketId, new AtomicLong(0));
}
return result;
}
}

View File

@@ -5,6 +5,7 @@ import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Optional;
import java.util.regex.Pattern;
import org.lucares.pdb.api.DateTimeRange;
@@ -42,6 +43,8 @@ public class PlotSettings {
private boolean generateThumbnail;
private Interval interval;
public String getQuery() {
return query;
}
@@ -184,6 +187,14 @@ public class PlotSettings {
default:
throw new IllegalArgumentException("Unexpected value: " + yAxis);
}
}
public Optional<Interval> getInterval() {
return Optional.ofNullable(interval);
}
public void setInterval(final Interval interval) {
this.interval = interval;
}
}