Implemented a selector for general criterias

java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/SelectionContext.java

@@ -0,0 +1,15 @@
+package com.sap.sailing.datamining;
+
+import com.sap.sailing.domain.base.Competitor;
+import com.sap.sailing.domain.tracking.TrackedLeg;
+import com.sap.sailing.domain.tracking.TrackedRace;
+
+public interface SelectionContext {
+
+    void setTrackedRace(TrackedRace trackedRace);
+
+    void setCompetitor(Competitor competitor);
+
+    void setTrackedLeg(TrackedLeg trackedLeg);
+
+}

java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/SelectionCriteria.java

@@ -0,0 +1,9 @@
+package com.sap.sailing.datamining;
+
+public interface SelectionCriteria {
+
+    boolean matches(SelectionContext context);
+
+    DataRetriever getDataRetriever(SelectionContext context);
+
+}

java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/impl/SelectionContextImpl.java

@@ -0,0 +1,35 @@
+package com.sap.sailing.datamining.impl;
+
+import com.sap.sailing.datamining.SelectionContext;
+import com.sap.sailing.domain.base.Competitor;
+import com.sap.sailing.domain.tracking.TrackedLeg;
+import com.sap.sailing.domain.tracking.TrackedRace;
+import com.sap.sailing.domain.tracking.TrackedRegatta;
+
+public class SelectionContextImpl implements SelectionContext {
+
+    private TrackedRegatta trackedRegatta;
+    private TrackedRace trackedRace;
+    private Competitor competitor;
+    private TrackedLeg trackedLeg;
+
+    public SelectionContextImpl(TrackedRegatta trackedRegatta) {
+        this.trackedRegatta = trackedRegatta;
+    }
+
+    @Override
+    public void setTrackedRace(TrackedRace trackedRace) {
+        this.trackedRace = trackedRace;
+    }
+
+    @Override
+    public void setCompetitor(Competitor competitor) {
+        this.competitor = competitor;
+    }
+
+    @Override
+    public void setTrackedLeg(TrackedLeg trackedLeg) {
+        this.trackedLeg = trackedLeg;
+    }
+
+}

java/com.sap.sailing.datamining/src/com/sap/sailing/datamining/impl/SelectorImpl.java

@@ -0,0 +1,68 @@
+package com.sap.sailing.datamining.impl;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.sap.sailing.datamining.GPSFixWithContext;
+import com.sap.sailing.datamining.SelectionContext;
+import com.sap.sailing.datamining.SelectionCriteria;
+import com.sap.sailing.datamining.Selector;
+import com.sap.sailing.domain.base.Competitor;
+import com.sap.sailing.domain.base.Regatta;
+import com.sap.sailing.domain.tracking.TrackedLeg;
+import com.sap.sailing.domain.tracking.TrackedRace;
+import com.sap.sailing.domain.tracking.TrackedRegatta;
+import com.sap.sailing.server.RacingEventService;
+
+public class SelectorImpl implements Selector {
+    
+    private SelectionCriteria criteria;
+
+    public SelectorImpl(SelectionCriteria criteria) {
+        this.criteria = criteria;
+    }
+
+    @Override
+    public List<GPSFixWithContext> selectGPSFixes(RacingEventService racingEventService) {
+        List<GPSFixWithContext> data = new ArrayList<GPSFixWithContext>();
+        for (Regatta regatta : racingEventService.getAllRegattas()) {
+            TrackedRegatta trackedRegatta = racingEventService.getTrackedRegatta(regatta);
+            if (trackedRegatta != null) {
+                SelectionContext context = new SelectionContextImpl(trackedRegatta);
+                if (criteria.matches(context)) {
+                    data.addAll(criteria.getDataRetriever(context).retrieveData());
+                }
+                
+                for (TrackedRace trackedRace : trackedRegatta.getTrackedRaces()) {
+                    context.setTrackedRace(trackedRace);
+                    if (criteria.matches(context)) {
+                        data.addAll(criteria.getDataRetriever(context).retrieveData());
+                    }
+                    
+                    for (TrackedLeg trackedLeg : trackedRace.getTrackedLegs()) {
+                        context.setTrackedLeg(trackedLeg);
+                        if (criteria.matches(context)) {
+                            data.addAll(criteria.getDataRetriever(context).retrieveData());
+                        }
+                    }
+                    
+                    for (Competitor competitor : trackedRace.getRace().getCompetitors()) {
+                        context.setCompetitor(competitor);
+                        if (criteria.matches(context)) {
+                            data.addAll(criteria.getDataRetriever(context).retrieveData());
+                        }
+                        
+                        for (TrackedLeg trackedLeg : trackedRace.getTrackedLegs()) {
+                            context.setTrackedLeg(trackedLeg);
+                            if (criteria.matches(context)) {
+                                data.addAll(criteria.getDataRetriever(context).retrieveData());
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        return data;
+    }
+
+}