Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverview.java @ 3085:3e5f45a9e052
Added missing 'else's in if/else ladders.
flys-artifacts/trunk@4681 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 18 Jun 2012 08:42:45 +0000 |
parents | 5642a83420f2 |
children | 0b86b005bb9a |
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package de.intevation.flys.artifacts.model; import java.io.Serializable; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.Date; import java.util.HashMap; import java.util.List; import java.util.Map; import org.apache.log4j.Logger; import org.hibernate.SQLQuery; import org.hibernate.Session; import org.hibernate.type.StandardBasicTypes; import org.w3c.dom.Document; import org.w3c.dom.Element; public class FixingsOverview implements Serializable { private static Logger log = Logger.getLogger(FixingsOverview.class); public static final double EPSILON = 1e-5; public static final double EPSILON2 = 1e-1; public static final String DATE_FORMAT = "dd.MM.yyyy"; public static final String SQL_RIVER_ID = "SELECT" + " id AS river_id," + " km_up " + "FROM rivers " + "WHERE" + " name = :name"; public static final String SQL_GAUGES = "SELECT" + " g.id AS gauge_id," + " r.a AS a," + " r.b AS b " + "FROM gauges g" + " JOIN ranges r ON g.range_id = r.id " + "WHERE" + " g.river_id = :river_id " + "ORDER BY r.a"; public static final String SQL_DISCHARGE_SECTORS = "SELECT" + " g.id AS gauge_id," + " nmv.name AS name," + " CAST(mv.value AS NUMERIC(38,2)) AS value " + "FROM gauges g" + " JOIN main_values mv ON g.id = mv.gauge_id" + " JOIN named_main_values nmv ON nmv.id = mv.named_value_id" + " JOIN main_value_types mvt ON nmv.type_id = mvt.id " + "WHERE" + " mvt.name = 'Q' AND (" + " nmv.name = 'MNQ' OR" + " nmv.name LIKE 'MNQ(%' OR" + " nmv.name = 'MQ' OR" + " nmv.name LIKE 'MQ(%' OR" + " nmv.name = 'MHQ' OR" + " nmv.name LIKE 'MHQ(%' OR" + " nmv.name = 'HQ5' OR" + " nmv.name LIKE 'HQ5(%') AND" + " g.river_id = :river_id " + "ORDER BY" + " g.id"; public static final String SQL_FIXINGS = "SELECT" + " id AS wst_id," + " description " + "FROM wsts " + "WHERE" + " river_id = :river_id AND kind = 2"; public static final String SQL_FIXING_COLUMNS = "SELECT" + " wc.id AS wst_column_id," + " ti.start_time AS start_time," + " wc.name AS name " + "FROM wst_columns wc" + " JOIN time_intervals ti ON wc.time_interval_id = ti.id " + "WHERE" + " wc.wst_id = :wst_id " + "ORDER BY position"; public static final String SQL_FIXING_COLUMN_Q_RANGES = "SELECT" + " wqr.q AS q," + " r.a AS start_km," + " r.b AS stop_km " + "FROM wst_column_q_ranges wcqr" + " JOIN wst_q_ranges wqr ON wcqr.wst_q_range_id = wqr.id" + " JOIN ranges r ON wqr.range_id = r.id " + "WHERE" + " wcqr.wst_column_id = :column_id " + "ORDER BY r.a"; public static final String SQL_FIXING_COLUMN_KM_RANGE = "SELECT" + " MIN(position) AS start_km," + " MAX(position) AS stop_km " + "FROM" + " wst_column_values " + "WHERE" + " wst_column_id = :column_id"; public static class Range implements Serializable { protected double start; protected double end; public Range() { } public Range(double start, double end) { this.start = start; this.end = end; } public double getStart() { return start; } public double getEnd() { return end; } public boolean disjoint(Range other) { return start > other.end || other.start > end; } public boolean intersects(Range other) { return !disjoint(other); } public void extend(Range other) { if (other.start < start) start = other.start; if (other.end > end ) end = other.end; } public boolean clip(Range other) { if (disjoint(other)) return false; if (other.start > start) start = other.start; if (other.end < end ) end = other.end; return true; } public boolean inside(double x) { return x > start-EPSILON && x < end+EPSILON; } } // class Range public static class GaugeRange extends Range { private static final class Sector implements Serializable { int sector; double value; Sector(int sector, double value) { this.sector = sector; this.value = value; } } // class Sector protected int gaugeId; protected Map<String, Double> mainValues; protected List<Sector> sectors; public GaugeRange() { } public GaugeRange(double start, double end, int gaugeId) { super(start, end); this.gaugeId = gaugeId; mainValues = new HashMap<String, Double>(); sectors = new ArrayList<Sector>(3); } public void addMainValue(String label, Double value) { int idx = label.indexOf('('); if (idx >= 0) { label = label.substring(0, idx); } mainValues.put(label, value); } protected Double getMainValue(String label) { Double v = mainValues.get(label); if (v == null) { log.warn("Missing main value '" + label + "' for gauge " + gaugeId); } return v; } public void buildClasses() { Double mnq = getMainValue("MNQ"); Double mq = getMainValue("MQ"); Double mhq = getMainValue("MHQ"); Double hq5 = getMainValue("HQ5"); Double [][] pairs = { { mnq, mq }, { mq, mhq }, { hq5, hq5 } }; for (int c = 0; c < pairs.length; ++c) { Double [] pair = pairs[c]; if (pair[0] != null && pair[1] != null) { double value = 0.5*(pair[0] + pair[1]); sectors.add(new Sector(c, value)); } } } public int classify(double value) { for (Sector sector: sectors) { if (value < sector.value) { return sector.sector; } } return sectors.size(); } } // class GaugeRange public static class GaugeFinder { protected List<GaugeRange> gauges; protected boolean isKmUp; public GaugeFinder(List<GaugeRange> gauges) { this(gauges, true); } public GaugeFinder( List<GaugeRange> gauges, boolean isKmUp ) { this.gauges = gauges; this.isKmUp = isKmUp; } public boolean getIsKmUp() { return isKmUp; } public void setIsKmUp(boolean isKmUp) { this.isKmUp = isKmUp; } public GaugeRange find(Range range) { double km = isKmUp ? range.start : range.end; for (GaugeRange gauge: gauges) { if (gauge.inside(km)) { return gauge; } } return null; } public GaugeRange find(int gaugeId) { for (GaugeRange gauge: gauges) { if (gauge.gaugeId == gaugeId) { return gauge; } } return null; } public boolean loadDischargeSectors(Session session, int riverId) { SQLQuery query = session.createSQLQuery(SQL_DISCHARGE_SECTORS) .addScalar("gauge_id", StandardBasicTypes.INTEGER) .addScalar("name", StandardBasicTypes.STRING) .addScalar("value", StandardBasicTypes.DOUBLE); query.setInteger("river_id", riverId); List<Object []> list = query.list(); if (list.isEmpty()) { log.warn("River " + riverId + " has no discharge sectors."); return false; } GaugeRange gauge = null; for (Object [] row: list) { int gaugeId = (Integer)row[0]; String label = (String) row[1]; Double value = (Double) row[2]; if (gauge == null || gauge.gaugeId != gaugeId) { if ((gauge = find(gaugeId)) == null) { log.warn("Cannot find gauge for id " + gaugeId + "."); continue; } } gauge.addMainValue(label, value); } for (GaugeRange g: gauges) { g.buildClasses(); } return true; } } // class GaugeFinder public static class QRange extends Range { protected double q; public QRange() { } public QRange(double start, double end, double q) { super(start, end); this.q = q; } } // class QRange public static class SectorRange extends Range { protected int sector; public SectorRange() { } public SectorRange(SectorRange other) { start = other.start; end = other.end; sector = other.sector; } public SectorRange(double start, double end, int sector) { super(start, end); this.sector = sector; } public int getSector() { return sector; } public boolean enlarge(SectorRange other) { if (sector == other.sector && Math.abs(end-other.start) < EPSILON2) { end = other.end; return true; } return false; } } // class SectorRange public static class Fixing implements Serializable { public static final Comparator<Column> DATE_CMP = new Comparator<Column>() { @Override public int compare(Column a, Column b) { return a.startTime.compareTo(b.startTime); } }; public interface Filter { boolean accept(Column column); } // interface Filter public class Column extends Range { protected int columnId; protected Date startTime; protected String name; protected List<SectorRange> sectors; public Column() { } public Column(int columnId, Date startTime, String name) { this.columnId = columnId; this.startTime = startTime; this.name = name; sectors = new ArrayList<SectorRange>(); } public int getId() { return columnId; } public Fixing getFixing() { return Fixing.this; } public Date getStartTime() { return startTime; } public String getName() { return name; } public String getDescription() { return Fixing.this.description + "/" + name; } public List<SectorRange> getSectors() { return sectors; } public List<SectorRange> getSectors(Range range) { List<SectorRange> result = new ArrayList<SectorRange>(sectors.size()); for (SectorRange src: sectors) { SectorRange dst = new SectorRange(src); if (range == null || dst.clip(range)) { result.add(dst); } } return result; } public int findQSector(double km) { for (SectorRange sector: sectors) { if (sector.inside(km)) { return sector.getSector(); } } return -1; } public void buildSectors(GaugeRange gauge, List<QRange> qRanges) { for (QRange qRange: qRanges) { SectorRange sector = new SectorRange( qRange.start, qRange.end, gauge.classify(qRange.q)); if (sectors.isEmpty() || !sectors.get(sectors.size()-1).enlarge(sector)) { sectors.add(sector); } } } public void loadKmRange(SQLQuery query) { query.setInteger("column_id", columnId); List<Object []> kms = query.list(); if (kms.isEmpty()) { log.warn("No km range for column " + columnId + "."); } else { Object [] obj = kms.get(0); start = (Double)obj[0]; end = (Double)obj[1]; } } public void loadQRanges( SQLQuery query, GaugeFinder gaugeFinder ) { query.setInteger("column_id", columnId); List<Object []> list = query.list(); List<QRange> qRanges = new ArrayList<QRange>(list.size()); for (Object [] row: list) { double q = (Double)row[0]; double start = (Double)row[1]; double end = (Double)row[2]; QRange qRange = new QRange(start, end, q); if (qRange.clip(this)) { qRanges.add(qRange); } } GaugeRange gauge = gaugeFinder.find(this); if (gauge != null) { buildSectors(gauge, qRanges); } else { log.warn("No gauge found for column " + columnId + "."); } } } // class Column protected int wstId; protected String description; protected List<Column> columns; public Fixing() { } public int getId() { return wstId; } public String getDescription() { return description; } public Fixing(int wstId, String description) { this.wstId = wstId; this.description = description; columns = new ArrayList<Column>(); } public void loadColumns(SQLQuery query) { query.setInteger("wst_id", wstId); List<Object []> list = query.list(); for (Object [] row: list) { int columnId = (Integer)row[0]; Date startTime = (Date) row[1]; String name = (String) row[2]; columns.add(new Column(columnId, startTime, name)); } } public void loadColumnsKmRange(SQLQuery query) { for (Column column: columns) { column.loadKmRange(query); } } public void adjustExtent(Range extent) { for (Column column: columns) { extent.extend(column); } } public void loadColumnsQRanges( SQLQuery query, GaugeFinder gaugeFinder ) { for (Column column: columns) { column.loadQRanges(query, gaugeFinder); } } public void addAllColumns( List<Column> allColumns, Range range, Filter filter ) { for (Column column: columns) { if ((range == null || column.intersects(range)) && (filter == null || filter.accept(column))) { allColumns.add(column); } } } } // class Fixing protected String riverName; protected int riverId; protected boolean isKmUp; protected List<Fixing> fixings; protected Range extent; public FixingsOverview() { fixings = new ArrayList<Fixing>(); extent = new Range(Double.MAX_VALUE, -Double.MAX_VALUE); } public FixingsOverview(String riverName) { this(); this.riverName = riverName; } protected boolean loadRiver(Session session) { SQLQuery query = session.createSQLQuery(SQL_RIVER_ID) .addScalar("river_id", StandardBasicTypes.INTEGER) .addScalar("km_up", StandardBasicTypes.BOOLEAN); query.setString("name", riverName); List<Object []> list = query.list(); if (list.isEmpty()) { log.warn("No river '" + riverName + "' found."); return false; } Object [] row = list.get(0); riverId = (Integer)row[0]; isKmUp = (Boolean)row[1]; return true; } protected GaugeFinder loadGauges(Session session) { SQLQuery query = session.createSQLQuery(SQL_GAUGES) .addScalar("gauge_id", StandardBasicTypes.INTEGER) .addScalar("a", StandardBasicTypes.DOUBLE) .addScalar("b", StandardBasicTypes.DOUBLE); query.setInteger("river_id", riverId); List<Object []> list = query.list(); if (list.isEmpty()) { log.warn("River " + riverId + " has no gauges."); return null; } List<GaugeRange> gauges = new ArrayList<GaugeRange>(); for (Object [] row: list) { int gaugeId = (Integer)row[0]; double start = (Double) row[1]; double end = (Double) row[2]; GaugeRange gauge = new GaugeRange(start, end, gaugeId); gauges.add(gauge); } return new GaugeFinder(gauges, isKmUp); } protected void loadFixings(Session session) { SQLQuery query = session.createSQLQuery(SQL_FIXINGS) .addScalar("wst_id", StandardBasicTypes.INTEGER) .addScalar("description", StandardBasicTypes.STRING); query.setInteger("river_id", riverId); List<Object []> list = query.list(); if (list.isEmpty()) { log.warn("River " + riverId + " has no fixings."); // Its pretty fine to have no fixings. } for (Object [] row: list) { int wstId = (Integer)row[0]; String description = (String) row[1]; Fixing fixing = new Fixing(wstId, description); fixings.add(fixing); } } protected void loadFixingsColumns(Session session) { SQLQuery query = session.createSQLQuery(SQL_FIXING_COLUMNS) .addScalar("wst_column_id", StandardBasicTypes.INTEGER) .addScalar("start_time", StandardBasicTypes.DATE) .addScalar("name", StandardBasicTypes.STRING); for (Fixing fixing: fixings) { fixing.loadColumns(query); } } protected void loadFixingsColumnsKmRange(Session session) { SQLQuery query = session.createSQLQuery(SQL_FIXING_COLUMN_KM_RANGE) .addScalar("start_km", StandardBasicTypes.DOUBLE) .addScalar("stop_km", StandardBasicTypes.DOUBLE); for (Fixing fixing: fixings) { fixing.loadColumnsKmRange(query); } } protected void loadFixingsColumnsQRanges( Session session, GaugeFinder gaugeFinder ) { SQLQuery query = session.createSQLQuery(SQL_FIXING_COLUMN_Q_RANGES) .addScalar("q", StandardBasicTypes.DOUBLE) .addScalar("start_km", StandardBasicTypes.DOUBLE) .addScalar("stop_km", StandardBasicTypes.DOUBLE); for (Fixing fixing: fixings) { fixing.loadColumnsQRanges(query, gaugeFinder); } } protected void adjustExtent() { for (Fixing fixing: fixings) { fixing.adjustExtent(extent); } } public boolean load(Session session) { if (!loadRiver(session)) { return false; } GaugeFinder gaugeFinder = loadGauges(session); if (gaugeFinder == null || !gaugeFinder.loadDischargeSectors(session, riverId)) { return false; } loadFixings(session); loadFixingsColumns(session); loadFixingsColumnsKmRange(session); adjustExtent(); loadFixingsColumnsQRanges(session, gaugeFinder); return true; } public static final Range FULL_EXTENT = new Range(-Double.MAX_VALUE, Double.MAX_VALUE); public static final Fixing.Filter ACCEPT = new Fixing.Filter() { @Override public boolean accept(Fixing.Column column) { return true; } }; public static class NotFilter implements Fixing.Filter { protected Fixing.Filter child; public NotFilter(Fixing.Filter child) { this.child = child; } @Override public boolean accept(Fixing.Column column) { return !child.accept(column); } } // class NotFilter public static abstract class ComponentFilter implements Fixing.Filter { protected List<Fixing.Filter> children; public ComponentFilter() { children = new ArrayList<Fixing.Filter>(); } public ComponentFilter(List<Fixing.Filter> children) { this.children = children; } public void add(Fixing.Filter filter) { children.add(filter); } } // class ComponentFilter public static class OrFilter extends ComponentFilter { public OrFilter() { } public OrFilter(List<Fixing.Filter> children) { super(children); } @Override public boolean accept(Fixing.Column column) { for (Fixing.Filter child: children) { if (child.accept(column)) { return true; } } return false; } } // class OrFilter public static class AndFilter extends ComponentFilter { public AndFilter() { } public AndFilter(List<Fixing.Filter> children) { super(children); } @Override public boolean accept(Fixing.Column column) { for (Fixing.Filter child: children) { if (!child.accept(column)) { return false; } } return true; } } // class AndFilter public static class IdFilter implements Fixing.Filter { protected int columnId; public IdFilter(int columnId) { this.columnId = columnId; } @Override public boolean accept(Fixing.Column column) { return column.getId() == columnId; } } // class IdFilter public static class DateFilter implements Fixing.Filter { protected Date date; public DateFilter(Date date) { this.date = date; } @Override public boolean accept(Fixing.Column column) { return date.equals(column.getStartTime()); } } // class DateFilter public static class DateRangeFilter implements Fixing.Filter { protected Date start; protected Date end; public DateRangeFilter(Date start, Date end) { this.start = start; this.end = end; } @Override public boolean accept(Fixing.Column column) { Date date = column.getStartTime(); return start.compareTo(date) <= 0 && end.compareTo(date) >= 0; } } // class DateRangeFilter public static class SectorFilter implements Fixing.Filter { protected int sector; public SectorFilter(int sector) { this.sector = sector; } @Override public boolean accept(Fixing.Column column) { for (SectorRange s: column.getSectors()) { if (s.getSector() == sector) { return true; } } return false; } } // class SectorFilter public static class SectorRangeFilter implements Fixing.Filter { protected int min; protected int max; public SectorRangeFilter(int min, int max) { this.min = Math.min(min, max); this.max = Math.max(min, max); } @Override public boolean accept(Fixing.Column column) { for (SectorRange s: column.getSectors()) { int v = s.getSector(); if (v >= min && v <= max) { return true; } } return false; } } // class SectorRangeFilter public static class KmFilter implements Fixing.Filter { protected double km; public KmFilter(double km) { this.km = km; } @Override public boolean accept(Fixing.Column column) { for (SectorRange s: column.getSectors()) { if (s.inside(km)) { return true; } } return false; } } // class KmFilter public void generateOverview(Document document) { generateOverview(document, FULL_EXTENT, ACCEPT); } public List<Fixing.Column> filter(Range range, Fixing.Filter filter) { List<Fixing.Column> allColumns = new ArrayList<Fixing.Column>(); for (Fixing fixing: fixings) { fixing.addAllColumns(allColumns, range, filter); } Collections.sort(allColumns, Fixing.DATE_CMP); return allColumns; } public void generateOverview( Document document, Range range, Fixing.Filter filter ) { List<Fixing.Column> allColumns = filter(range, filter); Element fixingsElement = document.createElement("fixings"); Element riverElement = document.createElement("river"); riverElement.setAttribute("from", String.valueOf(extent.start)); riverElement.setAttribute("to", String.valueOf(extent.end)); riverElement.setAttribute("rid", String.valueOf(riverId)); riverElement.setAttribute("name", riverName); fixingsElement.appendChild(riverElement); SimpleDateFormat df = new SimpleDateFormat(DATE_FORMAT); Element esE = document.createElement("events"); for (Fixing.Column column: allColumns) { List<SectorRange> sectors = column.getSectors(range); if (!sectors.isEmpty()) { Element eE = document.createElement("event"); eE.setAttribute("description", String.valueOf(column.getDescription())); eE.setAttribute("cid", String.valueOf(column.columnId)); eE.setAttribute("date", df.format(column.startTime)); for (SectorRange sector: sectors) { Element sE = document.createElement("sector"); sE.setAttribute("from", String.valueOf(sector.start)); sE.setAttribute("to", String.valueOf(sector.end)); sE.setAttribute("class", String.valueOf(sector.sector)); eE.appendChild(sE); } esE.appendChild(eE); } } fixingsElement.appendChild(esE); document.appendChild(fixingsElement); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :