package nl.wldelft.fews.pi;
import nl.wldelft.util.Arguments;
import nl.wldelft.util.BinaryUtils;
import nl.wldelft.util.Clasz;
import nl.wldelft.util.FastDateFormat;
import nl.wldelft.util.FileUtils;
import nl.wldelft.util.MathUtils;
import nl.wldelft.util.NumberType;
import nl.wldelft.util.ObjectUtils;
import nl.wldelft.util.Period;
import nl.wldelft.util.Properties;
import nl.wldelft.util.TextUtils;
import nl.wldelft.util.TimeZoneUtils;
import nl.wldelft.util.function.Supplier;
import nl.wldelft.util.io.VirtualOutputDir;
import nl.wldelft.util.io.VirtualOutputDirConsumer;
import nl.wldelft.util.io.XmlChunkedSerializer;
import nl.wldelft.util.timeseries.Product;
import nl.wldelft.util.timeseries.ProductInfo;
import nl.wldelft.util.timeseries.Statistics;
import nl.wldelft.util.timeseries.TimeSeriesContent;
import nl.wldelft.util.timeseries.TimeSeriesHeader;
import nl.wldelft.util.timeseries.TimeStep;
import nl.wldelft.util.timeseries.TimesOfDayDaylightSavingTimeStep;
import nl.wldelft.util.timeseries.TimesOfDayTimeStep;
import nl.wldelft.util.timeseries.TimesOfHourTimeStep;
import nl.wldelft.util.timeseries.ValueSource;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteOrder;
import java.util.Arrays;
import java.util.Locale;
import java.util.TimeZone;
public class PiTimeSeriesSerializer implements XmlChunkedSerializer<TimeSeriesContent>, VirtualOutputDirConsumer {
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_2 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_2);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_3 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_3);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_4 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_4);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_5 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_5);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_6 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_6);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_7 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_7);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_8 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_8);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_9 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_9);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_10 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_10);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_11 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_11);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_12 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_12);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_13 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_13);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_14 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_14);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_15 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_15);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_16 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_16);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_17 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_17);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_18 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_18);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_19 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_19);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_20 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_20);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_21 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_21);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_22 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_22);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_23 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_23);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_24 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_24);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_25 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_25);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_26 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_26);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_27 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_27);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_28 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_28);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_29 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_29);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_30 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_30);
public static final Supplier<PiTimeSeriesSerializer, Error> VERSION_1_31 = () -> new PiTimeSeriesSerializer(PiVersion.VERSION_1_31);
private static final int BUFFER_SIZE = 2048;
private TimeZone timeZone = null;
private String missingValueText = "NaN";
private float missingValue = Float.NaN;
private String virtualFileName = null;
private boolean skipEmptyTimeSeries = false;
public void setSkipEmptyTimeSeries(boolean skipEmptyTimeSeries) {
this.skipEmptyTimeSeries = skipEmptyTimeSeries;
}
public void setUseMilliseconds (boolean useMilliseconds) {this.useMilliseconds = useMilliseconds; }
public enum EventDestination {
XML_EMBEDDED, SEPARATE_BINARY_FILE, ONLY_HEADERS
}
public enum EnsembleMemberFormat {
INDEX, ID, HIDE
}
private EventDestination eventDestination = EventDestination.XML_EMBEDDED;
private PiVersion version = PiVersion.VERSION_1_2;
private EnsembleMemberFormat ensembleMemberFormat = EnsembleMemberFormat.INDEX;
private boolean anyTimeSeriesWritten = false;
private FastDateFormat dateFormat = null;
private FastDateFormat timeFormat = null;
private boolean useMilliseconds = false;
private TimeSeriesContent timeSeriesContent = null;
private XMLStreamWriter writer = null;
private VirtualOutputDir virtualOutputDir = null;
private OutputStream binaryOutputSteam = null;
private byte[] byteBuffer = null;
private char[] charBuffer = null;
private float[] floatBuffer = null;
private int bufferPos = 0;
private long[] cachedTimes = new long[6];
private String[] cachedDateStrings = new String[6];
private String[] cachedTimeStrings = new String[6];
private int cachedSeconds = -1;
private String cachedSecondsString = null;
private float[][] domainAxesValues = null;
private float[][] newDomainValues = null;
public PiTimeSeriesSerializer() {
}
public PiTimeSeriesSerializer(PiVersion version) {
this.version = version;
}
public void setEventDestination(EventDestination eventDestination) {
this.eventDestination = eventDestination;
}
public PiVersion getVersion() {
return version;
}
public void setVersion(PiVersion version) {
Arguments.require.notNull(version);
this.version = version;
}
public void setEnsembleMemberFormat(EnsembleMemberFormat ensembleMemberFormat) {
Arguments.require.notNull(ensembleMemberFormat);
this.ensembleMemberFormat = ensembleMemberFormat;
}
@Override
public void setVirtualOutputDir(VirtualOutputDir virtualOutputDir) {
this.virtualOutputDir = virtualOutputDir;
}
@Override
public void serializeStartDocument(XMLStreamWriter streamWriter, String virtualFileName) throws Exception {
anyTimeSeriesWritten = false;
this.virtualFileName = virtualFileName;
this.writer = streamWriter;
if (ensembleMemberFormat == EnsembleMemberFormat.ID && version.getIntId() < PiVersion.VERSION_1_10.getIntId()) {
throw new IOException("ensembleMemberId not supported for pi version " + version);
}
writeStartDocument();
String binFileName = FileUtils.getPathWithOtherExtension(virtualFileName, "bin");
if (virtualOutputDir != null) virtualOutputDir.delete(binFileName);
if (eventDestination != EventDestination.SEPARATE_BINARY_FILE) return;
if (virtualOutputDir == null)
throw new IllegalStateException("virtualOutputDir == null");
binaryOutputSteam = virtualOutputDir.getOutputStream(binFileName);
bufferPos = 0;
if (byteBuffer != null) return;
byteBuffer = new byte[BUFFER_SIZE * NumberType.FLOAT_SIZE];
floatBuffer = new float[BUFFER_SIZE];
}
public void writeStartDocument() throws XMLStreamException {
writer.writeStartDocument();
writer.writeStartElement("TimeSeries");
writer.setDefaultNamespace("http://www.wldelft.nl/fews/PI");
writer.writeNamespace("", "http://www.wldelft.nl/fews/PI");
writer.writeAttribute("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance");
// writer.writeAttribute("xmlns", "http://www.wldelft.nl/fews/PI");
writer.writeAttribute("xsi:schemaLocation", PiSchemaLocations.get("pi_timeseries.xsd"));
writer.writeAttribute("version", version.toString());
if (version.getIntId() >= PiVersion.VERSION_1_19.getIntId()) {
writer.writeAttribute("xmlns:fs", "http://www.wldelft.nl/fews/fs");
}
}
@Override
public void serializeContent(TimeSeriesContent timeSeriesContent) throws Exception {
if (timeSeriesContent.getTimeSeriesCount() == 0) return;
this.timeSeriesContent = timeSeriesContent;
timeSeriesContent.setRequireEnsembleMemberIndices(ensembleMemberFormat == EnsembleMemberFormat.INDEX);
if (!anyTimeSeriesWritten) {
anyTimeSeriesWritten = true;
initMissingValueText();
initTimeZone();
writeTimeZone();
}
for (int i = 0, n = timeSeriesContent.getTimeSeriesCount(); i < n; i++) {
timeSeriesContent.setTimeSeriesIndex(i);
if (skipEmptyTimeSeries && timeSeriesContent.isTimeSeriesEmpty()) continue;
if (!timeSeriesContent.isTimeSeriesEmpty()) timeSeriesContent.setContentTimeIndex(0);
writer.writeStartElement("series");
writeHeader();
writeEvents();
writer.writeEndElement();
}
}
@Override
public void serializeEndDocument() throws Exception {
if (!anyTimeSeriesWritten) throw new PiTimeSeriesNotFoundException("No TimeSeries to be Written to " + virtualFileName);
writer.writeEndElement();
writer.writeEndDocument();
if (eventDestination != EventDestination.SEPARATE_BINARY_FILE) return;
flushBinEvents();
binaryOutputSteam.close();
binaryOutputSteam = null;
}
private void initMissingValueText() {
missingValueText = timeSeriesContent.getDefaultMissingValue('.');
try {
missingValue = Float.parseFloat(missingValueText);
} catch (NumberFormatException e) {
timeSeriesContent.setMissingValue(Float.NaN);
missingValue = Float.NaN;
missingValueText = "NaN";
}
}
private void initTimeZone() {
if (!ObjectUtils.equals(timeZone, this.timeSeriesContent.getDefaultTimeZone())) {
Arrays.fill(cachedTimes, Long.MIN_VALUE);
timeZone = timeSeriesContent.getDefaultTimeZone();
}
dateFormat = FastDateFormat.getInstance("yyyy-MM-dd", timeZone, Locale.US, dateFormat);
timeFormat = useMilliseconds?FastDateFormat.getInstance("HH:mm:ss.SSS", timeZone, Locale.US, timeFormat) : FastDateFormat.getInstance("HH:mm:ss", timeZone, Locale.US, timeFormat);
}
private void writeTimeZone() throws XMLStreamException {
if (timeZone.useDaylightTime()) {
PiSerializerUtils.writeElement(writer, "daylightSavingObservingTimeZone", timeZone.getID());
} else {
PiSerializerUtils.writeElement(writer, "timeZone", String.valueOf(TimeZoneUtils.getTimeZoneOffsetHours(timeZone)));
}
}
private void writeHeader() throws Exception {
TimeSeriesHeader header = timeSeriesContent.getTimeSeriesHeader();
PiTimeSeriesHeader piHeader = header instanceof PiTimeSeriesHeader ? (PiTimeSeriesHeader) header : new PiTimeSeriesHeader();
writer.writeStartElement("header");
PiSerializerUtils.writeElement(writer, "type", header.getParameterType() == null ? "instantaneous" : header.getParameterType().getName());
if (version.getIntId() >= PiVersion.VERSION_1_17.getIntId() && header.getModuleInstanceId() != null) PiSerializerUtils.writeElement(writer, "moduleInstanceId", header.getModuleInstanceId());
PiSerializerUtils.writeElement(writer, "locationId", header.getLocationId() == null ? "unknown" : header.getLocationId());
PiSerializerUtils.writeElement(writer, "parameterId", header.getParameterId() == null ? "unknown" : header.getParameterId());
if (version.getIntId() >= PiVersion.VERSION_1_4.getIntId()) {
for (int i = 0, n = header.getQualifierCount(); i < n; i++) {
PiSerializerUtils.writeElement(writer, "qualifierId", header.getQualifierId(i));
}
}
if (version.getIntId() >= PiVersion.VERSION_1_4.getIntId() && header.getEnsembleId() != null && !header.getEnsembleId().equals("main")) {
if (ensembleMemberFormat != EnsembleMemberFormat.HIDE) {
writeOptionalElement("ensembleId", header.getEnsembleId());
writeOptionalElement(ensembleMemberFormat == EnsembleMemberFormat.INDEX
? "ensembleMemberIndex" : "ensembleMemberId", header.getEnsembleMemberId());
}
}
writeTimeStep(header);
writePeriod();
if (version.getIntId() >= PiVersion.VERSION_1_5.getIntId()) writeTime("forecastDate", header.getForecastTime(), 2);
if (version.getIntId() >= PiVersion.VERSION_1_20.getIntId()) writeTime("approvedDate", header.getApprovedTime(), 4);
PiSerializerUtils.writeElement(writer, "missVal", timeSeriesContent.getDefaultMissingValue('.'));
writeOptionalElement("longName", piHeader.getLongName());
writeOptionalElement("stationName", header.getLocationName());
if (version.getIntId() >= PiVersion.VERSION_1_7.getIntId()) PiSerializerUtils.writeCoordinates(writer, header, version);
writeOptionalElement("units", header.getUnit());
for (int i = 0, n = header.getDomainParameterCount(); i < n; i++) {
writeDomainAxis(header.getDomainParameterId(i), header.getDomainUnit(i));
}
writeOptionalElement("sourceOrganisation", piHeader.getSourceOrganisation());
writeOptionalElement("sourceSystem", piHeader.getSourceSystem());
writeOptionalElement("fileDescription", piHeader.getFileDescription());
if (header.getCreationTime() != Long.MIN_VALUE) {
updateDateTimeStringCache(header.getCreationTime(), 3);
PiSerializerUtils.writeElement(writer, "creationDate", cachedDateStrings[3]);
PiSerializerUtils.writeElement(writer, "creationTime", cachedTimeStrings[3]);
}
writeOptionalElement("region", piHeader.getRegion());
if (header.getHighLevelThresholdCount() > 0) writeHighThresholds(header);
if (version.getIntId() >= PiVersion.VERSION_1_16.getIntId() && timeSeriesContent.hasStatistics()) writeTimeSeriesStatistics();
if (version.getIntId() >= PiVersion.VERSION_1_26.getIntId() && timeSeriesContent.getProduct() != null) writeProduct();
writer.writeEndElement();
}
private void writeProduct() throws XMLStreamException {
Product product = timeSeriesContent.getProduct();
writer.writeStartElement("product");
writer.writeAttribute("id", product.getId());
writer.writeAttribute("name", product.getName());
writeTime("productDate", product.getProductTime(), 5);
writer.writeEmptyElement("category");
writer.writeAttribute("id", product.getCategory().getId());
writer.writeAttribute("name", product.getCategory().getName());
if (product.getProductInfos() != null && product.getProductInfos().length > 0) {
for (int i = 0; i < product.getProductInfos().length; i++) {
ProductInfo productInfo = product.getProductInfos()[i];
writer.writeStartElement("productInfo");
writer.writeStartElement("user");
writer.writeCharacters(productInfo.getUser());
writer.writeEndElement();
writer.writeStartElement("confidence");
writer.writeCharacters(productInfo.getConfidence());
writer.writeEndElement();
writer.writeStartElement("classification");
writer.writeCharacters(productInfo.getClassification());
writer.writeEndElement();
writer.writeStartElement("comment");
writer.writeCharacters(productInfo.getComment());
writer.writeEndElement();
writer.writeEndElement(); // productInfo
}
}
writer.writeEndElement(); // product
}
private void writeTimeSeriesStatistics() throws XMLStreamException {
Statistics timeSeriesInfoStatistics = timeSeriesContent.getStatistics();
if (timeSeriesInfoStatistics == null) return;
if (timeSeriesInfoStatistics.hasFirstValueTime()) writeTime("firstValueTime", timeSeriesInfoStatistics.getFirstValueTime(), 0);
if (timeSeriesInfoStatistics.hasLastValueTime()) writeTime("lastValueTime", timeSeriesInfoStatistics.getLastValueTime(), 1);
if (timeSeriesInfoStatistics.hasMaxValue()) PiSerializerUtils.writeElement(writer, "maxValue", timeSeriesInfoStatistics.getMaxValue('.'));
if (timeSeriesInfoStatistics.hasMinValue()) PiSerializerUtils.writeElement(writer, "minValue", timeSeriesInfoStatistics.getMinValue('.'));
if (timeSeriesInfoStatistics.hasValueCount()) PiSerializerUtils.writeElement(writer,"valueCount", Integer.toString(timeSeriesInfoStatistics.getValueCount()));
if (timeSeriesInfoStatistics.hasMaxWarningLevelName()) PiSerializerUtils.writeElement(writer, "maxWarningLevelName", timeSeriesInfoStatistics.getMaxWarningLevelName());
}
private void writeHighThresholds(TimeSeriesHeader header) throws XMLStreamException {
boolean thresholdsAvailable = false;
boolean firstThreshold = true;
for (int i = 0; i < header.getHighLevelThresholdCount(); i++) {
TimeSeriesHeader.Threshold threshold = header.getHighLevelThreshold(i);
String id = threshold.getId();
String name = threshold.getName();
//Note: here value can be NaN for LevelThresholdValues that have different values for different aggregationTimeSpans configured.
float value = threshold.getValue();
if (Float.isNaN(value)) {
continue;
}
thresholdsAvailable = true;
if (firstThreshold) {
writer.writeStartElement("thresholds");
firstThreshold = false;
}
if (version.getIntId() >= PiVersion.VERSION_1_14.getIntId()) {
String label = null;
String comment = null;
String description = null;
if (version.getIntId() >= PiVersion.VERSION_1_22.getIntId()){
label = threshold.getLabel();
}
if (version.getIntId() >= PiVersion.VERSION_1_27.getIntId()){
comment = threshold.getComment();
description = threshold.getDescription();
}
if (threshold.getGroupCount() > 0) {
for (int j = 0, m = threshold.getGroupCount(); j < m; j++) {
String groupId = threshold.getGroupId(j);
String groupName = threshold.getGroupName(j);
if (threshold.getGroupCount() == 1 && groupId != null && groupId.equalsIgnoreCase("DeprecatedThresholdsConfigured")) {
groupId = null;
groupName = null;
}
writeThreshold(id, name, value, groupId, groupName, label, description, comment);
}
} else {
writeThreshold(id, name, value, null, null, label, description, comment);
}
} else {
writeThreshold(id, name, value, null, null, null, null, null);
}
}
if (thresholdsAvailable) {
writer.writeEndElement();
}
}
private void writeThreshold(String id, String name, float value, String groupId, String groupName, String label, String description, String comment) throws XMLStreamException {
writer.writeStartElement("highLevelThreshold");
writer.writeAttribute("id", id);
writer.writeAttribute("name", name);
if (label != null) writer.writeAttribute("label", label);
if (description != null) writer.writeAttribute("description", description);
if (comment != null) writer.writeAttribute("comment", comment);
writer.writeAttribute("value", Float.toString(value));
if (groupId != null) writer.writeAttribute("groupId", groupId);
if (groupName != null) writer.writeAttribute("groupName", groupName);
writer.writeEndElement();
}
private void writePeriod() throws XMLStreamException {
TimeStep timeStep = timeSeriesContent.getTimeSeriesHeader().getTimeStep();
Period period = timeSeriesContent.getTimeSeriesPeriod();
Period headerPeriod;
if (period == Period.NEVER) {
// create a dummy period
long now = timeStep.nearestTime(System.currentTimeMillis());
headerPeriod = new Period(now, now);
} else {
headerPeriod = period;
}
writeTime("startDate", headerPeriod.getStartTime(), 0);
writeTime("endDate", headerPeriod.getEndTime(), 1);
}
private void updateDateTimeStringCache(long time, int cacheIndex) {
if (cachedTimes[cacheIndex] == time) return;
cachedTimes[cacheIndex] = time;
cachedDateStrings[cacheIndex] = dateFormat.format(time);
cachedTimeStrings[cacheIndex] = timeFormat.format(time);
}
private void writeTime(String name, long time, int cacheIndex) throws XMLStreamException {
if (time == Long.MIN_VALUE) return;
writer.writeEmptyElement(name);
updateDateTimeStringCache(time, cacheIndex);
writer.writeAttribute("date", cachedDateStrings[cacheIndex]);
writer.writeAttribute("time", cachedTimeStrings[cacheIndex]);
}
private void writeTimeStep(TimeSeriesHeader header) throws XMLStreamException {
writer.writeEmptyElement("timeStep");
TimeStep timeStep = header.getTimeStep();
// todo add support for month time step
if (timeStep.isEquidistantMillis()) {
writer.writeAttribute("unit", "second");
int seconds = (int) (timeStep.getStepMillis() / 1000);
if (cachedSeconds != seconds) {
cachedSecondsString = TextUtils.toString(seconds);
cachedSeconds = seconds;
}
writer.writeAttribute("multiplier", cachedSecondsString);
} else if (timeStep instanceof TimesOfDayDaylightSavingTimeStep && version.getIntId() >= PiVersion.VERSION_1_18.getIntId()) {
writer.writeAttribute("times", PiCastorUtils.getTimesOfDayString((TimesOfDayDaylightSavingTimeStep) timeStep));
} else if (timeStep instanceof TimesOfDayTimeStep && version.getIntId() >= PiVersion.VERSION_1_18.getIntId()) {
writer.writeAttribute("times", PiCastorUtils.getTimesOfDayString((TimesOfDayTimeStep) timeStep));
} else if (timeStep instanceof TimesOfHourTimeStep && version.getIntId() >= PiVersion.VERSION_1_24.getIntId()) {
writer.writeAttribute("minutes", PiCastorUtils.getTimesOfHourString((TimesOfHourTimeStep) timeStep));
} else {
writer.writeAttribute("unit", "nonequidistant");
}
}
private void writeEvents() throws Exception {
switch (eventDestination) {
case ONLY_HEADERS:
return;
case SEPARATE_BINARY_FILE:
writeBinEvents();
return;
case XML_EMBEDDED:
writeXmlEvents();
}
}
private void writeBinEvents() throws Exception {
for (int i = 0, n = timeSeriesContent.getContentTimeCount(); i < n; i++) {
timeSeriesContent.setContentTimeIndex(i);
if (!timeSeriesContent.isTimeAvailable()) continue;
if (bufferPos == BUFFER_SIZE) flushBinEvents();
floatBuffer[bufferPos++] = timeSeriesContent.getValue();
}
}
private void flushBinEvents() throws IOException {
if (bufferPos == 0) return;
BinaryUtils.copy(floatBuffer, 0, bufferPos, byteBuffer, 0, bufferPos * NumberType.FLOAT_SIZE, ByteOrder.LITTLE_ENDIAN);
binaryOutputSteam.write(byteBuffer, 0, bufferPos * NumberType.FLOAT_SIZE);
bufferPos = 0;
}
private void writeXmlEvents() throws XMLStreamException {
Properties properties = Properties.NONE;
TimeSeriesHeader header = timeSeriesContent.getTimeSeriesHeader();
domainAxesValues = null;
int domainParameterCount = header.getDomainParameterCount();
float[] floatBuffer = this.floatBuffer;
for (int i = 0, n = timeSeriesContent.getContentTimeCount(); i < n; i++) {
timeSeriesContent.setContentTimeIndex(i);
if (!timeSeriesContent.isTimeAvailable()) continue;
Properties newProperties = timeSeriesContent.getProperties();
if (!newProperties.equals(properties)) {
properties = newProperties;
PiSerializerUtils.writeProperties(properties, version, writer, dateFormat, timeFormat);
}
boolean valueMissing = timeSeriesContent.isValueMissing();
if (domainParameterCount > 0 && !valueMissing) {
int valueCount = writeAxisValues();
if (floatBuffer == null || floatBuffer.length != valueCount) {
floatBuffer = new float[valueCount];
this.floatBuffer = floatBuffer;
}
timeSeriesContent.readValues(floatBuffer);
}
if (domainParameterCount == 0 || valueMissing) {
writer.writeEmptyElement("event");
} else {
writer.writeStartElement("event");
}
writeTime();
if (domainParameterCount == 0) writeValue();
PiSerializerUtils.writeFlagsUserComment(writer, timeSeriesContent, version);
if (domainParameterCount == 0 || valueMissing) continue;
int valuesPerRow = domainParameterCount == 1 ? 1 : domainAxesValues[1].length;
writeValues(floatBuffer, valuesPerRow);
writer.writeEndElement();
}
}
private void writeValue() throws XMLStreamException {
String stringValue = timeSeriesContent.getValue('.');
writer.writeAttribute("value", stringValue);
if (version.ordinal() >= PiVersion.VERSION_1_31.ordinal() && timeSeriesContent.getValueSource() == ValueSource.MANUAL) writer.writeAttribute("valueSource", "MAN");
if (version.ordinal() < PiVersion.VERSION_1_23.ordinal()) return;
if (timeSeriesContent.isValueMissing()) return;
float value = timeSeriesContent.getValue();
if (timeSeriesContent.getMinValue() != value) writer.writeAttribute("minValue", timeSeriesContent.getMinValue('.'));
if (timeSeriesContent.getMaxValue() != value) writer.writeAttribute("maxValue", timeSeriesContent.getMaxValue('.'));
if (version.ordinal() >= PiVersion.VERSION_1_29.ordinal() && !"".equals(timeSeriesContent.getDetectionSymbol())) writer.writeAttribute("detection", timeSeriesContent.getDetectionSymbol());
}
private void writeTime() throws XMLStreamException {
long time = timeSeriesContent.getTime();
String dateText = dateFormat.format(time);
writer.writeAttribute("date", dateText);
String timeText = timeFormat.format(time);
writer.writeAttribute("time", timeText);
if (version.ordinal() < PiVersion.VERSION_1_23.ordinal()) return;
long startTime = timeSeriesContent.getRangeStartTime();
long endTime = timeSeriesContent.getRangeEndTime();
writeAttribute("startDate", dateFormat, startTime, time, dateText);
writeAttribute("startTime", timeFormat, startTime, time, timeText);
writeAttribute("endDate", dateFormat, endTime, time, dateText);
writeAttribute("endTime" , timeFormat, endTime, time, timeText);
}
private void writeAttribute(String attributeName, FastDateFormat dateFormat, long time, long defaultTime, String defaultText) throws XMLStreamException {
if (time == defaultTime) return;
String text = dateFormat.format(time);
if (TextUtils.equals(text, defaultText)) return;
writer.writeAttribute(attributeName, text);
}
private int writeAxisValues() throws XMLStreamException {
TimeSeriesHeader header = timeSeriesContent.getTimeSeriesHeader();
if (domainAxesValues == null) domainAxesValues = new float[header.getDomainParameterCount()][];
if (newDomainValues == null) newDomainValues = new float[header.getDomainParameterCount()][];
assert !timeSeriesContent.isValueMissing();
int res = 1;
for (int i = 0, n = header.getDomainParameterCount(); i < n; i++) {
float[] values = newDomainValues[i];
int valueCount = timeSeriesContent.getDomainAxisValueCount(i);
res *= valueCount;
if (values == null || values.length != valueCount) {
values = new float[valueCount];
newDomainValues[i] = values;
}
timeSeriesContent.readDomainAxisValues(i, values);
if (Arrays.equals(values, domainAxesValues[i])) continue;
writer.writeStartElement("domainAxisValues");
writer.writeAttribute("parameterId", header.getDomainParameterId(i));
int valuePerRow = i == 0 ? 1 : values.length;
writeValues(values, valuePerRow);
domainAxesValues[i] = Clasz.floats.copyOfArray(values);
writer.writeEndElement();
}
return res;
}
private void writeValues(float[] values, int valuesPerRow) throws XMLStreamException {
assert !timeSeriesContent.isValueMissing();
char[] buffer = this.charBuffer;
if (buffer == null) {
buffer = new char[15];
this.charBuffer = buffer;
}
for (int i = 0; i < values.length; i++) {
buffer[0] = i % valuesPerRow == 0 ? '\n' : '\t';
float value = values[i];
int endPos;
if (MathUtils.equals(value, missingValue)) {
missingValueText.getChars(0, missingValueText.length(), buffer, 1);
endPos = missingValueText.length() + 1;
} else {
endPos = TextUtils.format(buffer, 1, value, '.', 0, 10);
}
writer.writeCharacters(buffer, 0, endPos); // start with space
}
writer.writeCharacters("\n ");
}
private void writeOptionalElement(String elementName, String s) throws XMLStreamException {
if (s == null) return;
if (s.trim().isEmpty()) return;
PiSerializerUtils.writeElement(writer, elementName, s);
}
private void writeDomainAxis(String parameterId, String unit) throws XMLStreamException {
writer.writeEmptyElement("domainAxis");
writer.writeAttribute("parameterId", parameterId);
if (unit != null) writer.writeAttribute("units", unit);
}
}
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