add date range filter

This commit is contained in:
2017-03-17 11:17:57 +01:00
parent 8cc42916a4
commit 3456177291
11 changed files with 140 additions and 34 deletions

View File

@@ -1,5 +1,13 @@
package org.lucares.pdb.plot.api;
import java.time.Instant;
import java.time.LocalDate;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.time.ZoneOffset;
import org.apache.commons.lang3.StringUtils;
public class PlotSettings {
private String query;
@@ -13,6 +21,10 @@ public class PlotSettings {
private int limit;
private String dateFrom;
private String dateTo;
public String getQuery() {
return query;
}
@@ -60,4 +72,38 @@ public class PlotSettings {
public void setLimit(final int limit) {
this.limit = limit;
}
public String getDateFrom() {
return dateFrom;
}
public void setDateFrom(final String dateFrom) {
this.dateFrom = dateFrom;
}
public String getDateTo() {
return dateTo;
}
public void setDateTo(final String dateTo) {
this.dateTo = dateTo;
}
public OffsetDateTime dateFrom() {
if (StringUtils.isEmpty(dateFrom)) {
return OffsetDateTime.ofInstant(Instant.ofEpochMilli(Long.MIN_VALUE), ZoneOffset.UTC);
} else {
return LocalDate.parse(dateFrom).atTime(OffsetTime.of(0, 0, 0, 0, ZoneOffset.UTC));
}
}
public OffsetDateTime dateTo() {
if (StringUtils.isEmpty(dateTo)) {
return OffsetDateTime.ofInstant(Instant.ofEpochMilli(Long.MAX_VALUE), ZoneOffset.UTC);
} else {
return LocalDate.parse(dateTo).atTime(OffsetTime.of(23, 59, 59, 999_999_999, ZoneOffset.UTC));
}
}
}

View File

@@ -17,6 +17,7 @@ import java.util.ArrayList;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.UUID;
import java.util.stream.Stream;
import org.lucares.pdb.api.Entry;
@@ -53,13 +54,19 @@ public class Plotter {
}
public File plot(final PlotSettings plotSettings) throws InternalPlottingException {
final String tmpSubDir = uniqueDirectoryName();
final Path tmpDir = tmpBaseDir.resolve(tmpSubDir);
try {
Files.createDirectories(tmpDir);
final List<DataSeries> dataSeries = new ArrayList<>();
final String query = plotSettings.getQuery();
final String groupBy = plotSettings.getGroupBy();
final int height = plotSettings.getHeight();
final int width = plotSettings.getWidth();
final OffsetDateTime dateFrom = plotSettings.dateFrom();
final OffsetDateTime dateTo = plotSettings.dateTo();
final Result result = db.get(query, groupBy);
@@ -70,15 +77,17 @@ public class Plotter {
final Stream<Entry> entries = groupResult.asStream();
final File dataFile = File.createTempFile("data", ".dat", tmpBaseDir.toFile());
final CsvSummary csvSummary = toCsv(entries, dataFile);
final File dataFile = File.createTempFile("data", ".dat", tmpDir.toFile());
final CsvSummary csvSummary = toCsv(entries, dataFile, dateFrom, dateTo);
final String title = title(groupResult.getGroupedBy(), csvSummary.getValues());
final DataSeries dataSerie = new DataSeries(dataFile, title, csvSummary.getValues());
dataSeries.add(dataSerie);
if (dataSerie.getValues() > 0) {
dataSeries.add(dataSerie);
maxDate = maxDate.compareTo(csvSummary.getMaxDate()) > 0 ? maxDate : csvSummary.getMaxDate();
minDate = minDate.compareTo(csvSummary.getMinDate()) < 0 ? minDate : csvSummary.getMinDate();
maxDate = maxDate.compareTo(csvSummary.getMaxDate()) > 0 ? maxDate : csvSummary.getMaxDate();
minDate = minDate.compareTo(csvSummary.getMinDate()) < 0 ? minDate : csvSummary.getMinDate();
}
}
sortAndLimit(dataSeries, plotSettings);
@@ -96,9 +105,16 @@ public class Plotter {
throw new IllegalStateException("Plotting was interrupted.");
} catch (final IOException e) {
throw new InternalPlottingException("Plotting failed.", e);
} finally {
FileUtils.delete(tmpDir);
}
}
private String uniqueDirectoryName() {
return OffsetDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd_HH_mm_ss")) + "_"
+ UUID.randomUUID().toString();
}
private String getFormatX(final OffsetDateTime minDate, final OffsetDateTime maxDate) {
if (minDate.until(maxDate, ChronoUnit.WEEKS) > 1) {
@@ -176,10 +192,13 @@ public class Plotter {
}
}
private static CsvSummary toCsv(final Stream<Entry> entries, final File dataFile) throws IOException {
private static CsvSummary toCsv(final Stream<Entry> entries, final File dataFile, final OffsetDateTime dateFrom,
final OffsetDateTime dateTo) throws IOException {
final long start = System.nanoTime();
int count = 0;
final long fromEpochMilli = dateFrom.toInstant().toEpochMilli();
final long toEpochMilli = dateTo.toInstant().toEpochMilli();
OffsetDateTime maxDate = OffsetDateTime.MIN;
OffsetDateTime minDate = OffsetDateTime.MAX;
final int separator = ',';
@@ -190,17 +209,19 @@ public class Plotter {
while (it.hasNext()) {
final Entry entry = it.next();
final String value = String.valueOf(entry.getValue());
final OffsetDateTime date = entry.getDate();
final String formattedDate = date.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
output.write(formattedDate);
output.write(separator);
output.write(value);
output.write(newline);
if (fromEpochMilli <= entry.getEpochMilli() && entry.getEpochMilli() <= toEpochMilli) {
final OffsetDateTime date = entry.getDate();
final String value = String.valueOf(entry.getValue());
final String formattedDate = date.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
output.write(formattedDate);
output.write(separator);
output.write(value);
output.write(newline);
count++;
maxDate = maxDate.compareTo(date) > 0 ? maxDate : date;
minDate = minDate.compareTo(date) < 0 ? minDate : date;
count++;
maxDate = maxDate.compareTo(date) > 0 ? maxDate : date;
minDate = minDate.compareTo(date) < 0 ? minDate : date;
}
}
}