Allow returning distance

7.10/src/main/java/com/traveltime/plugin/elasticsearch/TraveltimePlugin.java

@@ -47,6 +47,7 @@ public class TraveltimePlugin extends Plugin implements SearchPlugin {
 
    private void cleanUpAndReschedule(ThreadPool threadPool, TimeValue cleanupSeconds) {
       TraveltimeCache.INSTANCE.cleanUp();
+      TraveltimeCache.DISTANCE.cleanUp();
       threadPool.scheduleUnlessShuttingDown(cleanupSeconds, "generic", () -> cleanUpAndReschedule(threadPool, cleanupSeconds));
    }
 
@@ -57,6 +58,7 @@ public Collection<Object> createComponents(Client client, ClusterService cluster
       Integer cacheSize = CACHE_SIZE.get(environment.settings());
 
       TraveltimeCache.INSTANCE.setUp(cacheSize, cacheExpiry);
+      TraveltimeCache.DISTANCE.setUp(cacheSize, cacheExpiry);
       cleanUpAndReschedule(threadPool, cleanupSeconds);
 
       return super.createComponents(client, clusterService, threadPool, resourceWatcherService, scriptService, xContentRegistry, environment, nodeEnvironment, namedWriteableRegistry, indexNameExpressionResolver, repositoriesServiceSupplier);

7.10/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeFetchPhase.java

@@ -45,6 +45,7 @@ public FetchSubPhaseProcessor getProcessor(FetchContext fetchContext) {
       if (traveltimeQuery == null) return null;
       TraveltimeQueryParameters params = traveltimeQuery.getParams();
       final String output = traveltimeQuery.getOutput();
+      final String distanceOutput = traveltimeQuery.getDistanceOutput();
 
       FieldFetcher fieldFetcher = FieldFetcher.create(fetchContext.mapperService(), fetchContext.searchLookup(), List.of(new FieldAndFormat(params.getField(), null)));
 
@@ -59,10 +60,19 @@ public void setNextReader(LeafReaderContext readerContext) {
          public void process(HitContext hitContext) throws IOException {
             val docValues = hitContext.reader().getSortedNumericDocValues(params.getField());
             docValues.advance(hitContext.docId());
-            Integer tt = TraveltimeCache.INSTANCE.get(params, docValues.nextValue());
+            val point = docValues.nextValue();
+            if(!output.isEmpty()) {
+               Integer tt = TraveltimeCache.INSTANCE.get(params, point);
+               if (tt >= 0) {
+                  hitContext.hit().setDocumentField(output, new DocumentField(output, List.of(tt)));
+               }
+            }
 
-            if (tt >= 0) {
-               hitContext.hit().setDocumentField(output, new DocumentField(output, List.of(tt)));
+            if(!distanceOutput.isEmpty()) {
+               Integer td = TraveltimeCache.DISTANCE.get(params, point);
+               if (td >= 0) {
+                  hitContext.hit().setDocumentField(distanceOutput, new DocumentField(distanceOutput, List.of(td)));
+               }
             }
          }
       };

7.10/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeQueryBuilder.java

@@ -36,6 +36,8 @@ public class TraveltimeQueryBuilder extends AbstractQueryBuilder<TraveltimeQuery
    private QueryBuilder prefilter;
    @NonNull
    private String output = "";
+   @NonNull
+   private String distanceOutput = "";
 
    public TraveltimeQueryBuilder() {
    }
@@ -63,6 +65,7 @@ public TraveltimeQueryBuilder(StreamInput in) throws IOException {
       }
       prefilter = in.readOptionalNamedWriteable(QueryBuilder.class);
       output = in.readString();
+      distanceOutput = in.readString();
    }
 
    @Override
@@ -78,6 +81,7 @@ protected void doWriteTo(StreamOutput out) throws IOException {
       if(requestType != null) out.writeEnum(requestType);
       out.writeOptionalNamedWriteable(prefilter);
       out.writeString(output);
+      out.writeString(distanceOutput);
    }
 
    @Override
@@ -89,6 +93,7 @@ protected void doXContent(XContentBuilder builder, Params params) throws IOExcep
       builder.field("country", country == null ? null : country.getValue());
       builder.field("prefilter", prefilter);
       builder.field("output", output);
+      builder.field("distanceOutput", distanceOutput);
    }
 
    @Override
@@ -128,14 +133,19 @@ protected Query doToQuery(QueryShardContext context) throws IOException {
 
       Coordinates originCoord = Coordinates.builder().lat(origin.lat()).lng(origin.getLon()).build();
 
-      TraveltimeQueryParameters params = new TraveltimeQueryParameters(field, originCoord, limit, mode, country, requestType);
+      boolean includeDistance = !distanceOutput.isEmpty();
+
+      TraveltimeQueryParameters params = new TraveltimeQueryParameters(field, originCoord, limit, mode, country, requestType, includeDistance);
       if (params.getMode() == null) {
          if (defaultMode.isPresent()) {
             params = params.withMode(defaultMode.get());
          } else {
             throw new IllegalStateException("Traveltime query requires either 'mode' field to be present or a default mode to be set in the config");
          }
       }
+      if(params.isIncludeDistance() && !Util.canUseDistance(params.getMode())) {
+         throw new IllegalStateException("Traveltime query with distance output cannot be used with public transportation mode");
+      }
       if (params.getCountry() == null) {
          if (defaultCountry.isPresent()) {
             params = params.withCountry(defaultCountry.get());
@@ -156,7 +166,7 @@ protected Query doToQuery(QueryShardContext context) throws IOException {
 
       Query prefilterQuery = prefilter != null ? prefilter.toQuery(context) : null;
 
-      return new TraveltimeSearchQuery(params, prefilterQuery, output, appUri, appId, apiKey);
+      return new TraveltimeSearchQuery(params, prefilterQuery, output, distanceOutput, appUri, appId, apiKey);
    }
 
    @Override

7.10/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeQueryParser.java

@@ -25,6 +25,7 @@ public class TraveltimeQueryParser implements QueryParser<TraveltimeQueryBuilder
    private final ParseField requestType = new ParseField("requestType");
    private final ParseField prefilter = new ParseField("prefilter");
    private final ParseField output = new ParseField("output");
+   private final ParseField distanceOutput = new ParseField("distanceOutput");
 
    private final ContextParser<Void, QueryBuilder> prefilterParser = (p, c) -> AbstractQueryBuilder.parseInnerQueryBuilder(p);
 
@@ -36,9 +37,10 @@ public class TraveltimeQueryParser implements QueryParser<TraveltimeQueryBuilder
       queryParser.declareInt(TraveltimeQueryBuilder::setLimit, limit);
       queryParser.declareString((qb, s) -> qb.setMode(findByNameOrError("transportation mode", s, Util::findModeByName)), mode);
       queryParser.declareString((qb, s) -> qb.setCountry(findByNameOrError("country", s, Util::findCountryByName)), country);
-      queryParser.declareString((qb, s) -> qb.setRequestType(findByNameOrError("country", s, Util::findRequestTypeByName)), requestType);
+      queryParser.declareString((qb, s) -> qb.setRequestType(findByNameOrError("request mode", s, Util::findRequestTypeByName)), requestType);
       queryParser.declareObject(TraveltimeQueryBuilder::setPrefilter, prefilterParser, prefilter);
       queryParser.declareString(TraveltimeQueryBuilder::setOutput, output);
+      queryParser.declareString(TraveltimeQueryBuilder::setDistanceOutput, distanceOutput);
 
       queryParser.declareRequiredFieldSet(field.toString());
       queryParser.declareRequiredFieldSet(origin.toString());

7.10/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeSearchQuery.java

@@ -16,6 +16,7 @@ public class TraveltimeSearchQuery extends Query {
    private final TraveltimeQueryParameters params;
    private final Query prefilter;
    private final String output;
+   private final String distanceOutput;
    private final URI appUri;
    private final String appId;
    private final String apiKey;
@@ -45,7 +46,7 @@ public Query rewrite(IndexReader reader) throws IOException {
       if (newPrefilter == prefilter) {
          return super.rewrite(reader);
       } else {
-         return new TraveltimeSearchQuery(params, newPrefilter, output, appUri, appId, apiKey);
+         return new TraveltimeSearchQuery(params, newPrefilter, output, distanceOutput, appUri, appId, apiKey);
       }
    }
 }

7.10/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeWeight.java

@@ -122,22 +122,49 @@ public Scorer scorer(LeafReaderContext context) throws IOException {
 
       val pointToTime = new Long2IntOpenHashMap(valueArray.size());
 
-      val results = protoFetcher.getTimes(
-          ttQuery.getParams().getOrigin(),
-          decodedArray,
-          ttQuery.getParams().getLimit(),
-          ttQuery.getParams().getMode(),
-          ttQuery.getParams().getCountry(),
-          ttQuery.getParams().getRequestType()
-      );
-
-      for (int index = 0; index < results.size(); index++) {
-         if(results.get(index) >= 0) {
-            pointToTime.put(valueArray.getLong(index), results.get(index).intValue());
+      if (ttQuery.getParams().isIncludeDistance()) {
+         val pointToDistance = new Long2IntOpenHashMap(valueArray.size());
+
+         val mode = Util.unsafeCastToDistanceTransportation(ttQuery.getParams().getMode());
+
+         val timeDistance = protoFetcher.getTimesAndDistances(
+            ttQuery.getParams().getOrigin(),
+            decodedArray,
+            ttQuery.getParams().getLimit(),
+            mode,
+            ttQuery.getParams().getCountry(),
+            ttQuery.getParams().getRequestType()
+         );
+
+         val times = timeDistance.getLeft();
+         val distances = timeDistance.getRight();
+
+         for (int index = 0; index < times.size(); index++) {
+            if (times.get(index) >= 0) {
+               pointToTime.put(valueArray.getLong(index), times.get(index).intValue());
+               pointToDistance.put(valueArray.getLong(index), distances.get(index).intValue());
+            }
+         }
+
+         TraveltimeCache.DISTANCE.add(ttQuery.getParams(), pointToDistance);
+      } else {
+         val results = protoFetcher.getTimes(
+            ttQuery.getParams().getOrigin(),
+            decodedArray,
+            ttQuery.getParams().getLimit(),
+            ttQuery.getParams().getMode(),
+            ttQuery.getParams().getCountry(),
+            ttQuery.getParams().getRequestType()
+         );
+
+         for (int index = 0; index < results.size(); index++) {
+            if (results.get(index) >= 0) {
+               pointToTime.put(valueArray.getLong(index), results.get(index).intValue());
+            }
          }
       }
 
-      if(hasOutput) {
+      if (hasOutput) {
          TraveltimeCache.INSTANCE.add(ttQuery.getParams(), pointToTime);
       }
 

7.11/src/main/java/com/traveltime/plugin/elasticsearch/TraveltimePlugin.java

@@ -47,6 +47,7 @@ public class TraveltimePlugin extends Plugin implements SearchPlugin {
 
    private void cleanUpAndReschedule(ThreadPool threadPool, TimeValue cleanupSeconds) {
       TraveltimeCache.INSTANCE.cleanUp();
+      TraveltimeCache.DISTANCE.cleanUp();
       threadPool.scheduleUnlessShuttingDown(cleanupSeconds, "generic", () -> cleanUpAndReschedule(threadPool, cleanupSeconds));
    }
 
@@ -57,6 +58,7 @@ public Collection<Object> createComponents(Client client, ClusterService cluster
       Integer cacheSize = CACHE_SIZE.get(environment.settings());
 
       TraveltimeCache.INSTANCE.setUp(cacheSize, cacheExpiry);
+      TraveltimeCache.DISTANCE.setUp(cacheSize, cacheExpiry);
       cleanUpAndReschedule(threadPool, cleanupSeconds);
 
       return super.createComponents(client, clusterService, threadPool, resourceWatcherService, scriptService, xContentRegistry, environment, nodeEnvironment, namedWriteableRegistry, indexNameExpressionResolver, repositoriesServiceSupplier);

7.11/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeFetchPhase.java

@@ -45,6 +45,7 @@ public FetchSubPhaseProcessor getProcessor(FetchContext fetchContext) {
       if (traveltimeQuery == null) return null;
       TraveltimeQueryParameters params = traveltimeQuery.getParams();
       final String output = traveltimeQuery.getOutput();
+      final String distanceOutput = traveltimeQuery.getDistanceOutput();
 
       FieldFetcher fieldFetcher = FieldFetcher.create(fetchContext.getQueryShardContext(), fetchContext.searchLookup(), List.of(new FieldAndFormat(params.getField(), null)));
 
@@ -59,10 +60,19 @@ public void setNextReader(LeafReaderContext readerContext) {
          public void process(HitContext hitContext) throws IOException {
             val docValues = hitContext.reader().getSortedNumericDocValues(params.getField());
             docValues.advance(hitContext.docId());
-            Integer tt = TraveltimeCache.INSTANCE.get(params, docValues.nextValue());
+            val point = docValues.nextValue();
+            if(!output.isEmpty()) {
+               Integer tt = TraveltimeCache.INSTANCE.get(params, point);
+               if (tt >= 0) {
+                  hitContext.hit().setDocumentField(output, new DocumentField(output, List.of(tt)));
+               }
+            }
 
-            if (tt >= 0) {
-               hitContext.hit().setDocumentField(output, new DocumentField(output, List.of(tt)));
+            if(!distanceOutput.isEmpty()) {
+               Integer td = TraveltimeCache.DISTANCE.get(params, point);
+               if (td >= 0) {
+                  hitContext.hit().setDocumentField(distanceOutput, new DocumentField(distanceOutput, List.of(td)));
+               }
             }
          }
       };

7.11/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeQueryBuilder.java

@@ -36,6 +36,8 @@ public class TraveltimeQueryBuilder extends AbstractQueryBuilder<TraveltimeQuery
    private QueryBuilder prefilter;
    @NonNull
    private String output = "";
+   @NonNull
+   private String distanceOutput = "";
 
    public TraveltimeQueryBuilder() {
    }
@@ -63,6 +65,7 @@ public TraveltimeQueryBuilder(StreamInput in) throws IOException {
       }
       prefilter = in.readOptionalNamedWriteable(QueryBuilder.class);
       output = in.readString();
+      distanceOutput = in.readString();
    }
 
    @Override
@@ -78,6 +81,7 @@ protected void doWriteTo(StreamOutput out) throws IOException {
       if(requestType != null) out.writeEnum(requestType);
       out.writeOptionalNamedWriteable(prefilter);
       out.writeString(output);
+      out.writeString(distanceOutput);
    }
 
    @Override
@@ -89,6 +93,7 @@ protected void doXContent(XContentBuilder builder, Params params) throws IOExcep
       builder.field("country", country == null ? null : country.getValue());
       builder.field("prefilter", prefilter);
       builder.field("output", output);
+      builder.field("distanceOutput", distanceOutput);
    }
 
    @Override
@@ -128,14 +133,19 @@ protected Query doToQuery(QueryShardContext context) throws IOException {
 
       Coordinates originCoord = Coordinates.builder().lat(origin.lat()).lng(origin.getLon()).build();
 
-      TraveltimeQueryParameters params = new TraveltimeQueryParameters(field, originCoord, limit, mode, country, requestType);
+      boolean includeDistance = !distanceOutput.isEmpty();
+
+      TraveltimeQueryParameters params = new TraveltimeQueryParameters(field, originCoord, limit, mode, country, requestType, includeDistance);
       if (params.getMode() == null) {
          if (defaultMode.isPresent()) {
             params = params.withMode(defaultMode.get());
          } else {
             throw new IllegalStateException("Traveltime query requires either 'mode' field to be present or a default mode to be set in the config");
          }
       }
+      if(params.isIncludeDistance() && !Util.canUseDistance(params.getMode())) {
+         throw new IllegalStateException("Traveltime query with distance output cannot be used with public transportation mode");
+      }
       if (params.getCountry() == null) {
          if (defaultCountry.isPresent()) {
             params = params.withCountry(defaultCountry.get());
@@ -156,7 +166,7 @@ protected Query doToQuery(QueryShardContext context) throws IOException {
 
       Query prefilterQuery = prefilter != null ? prefilter.toQuery(context) : null;
 
-      return new TraveltimeSearchQuery(params, prefilterQuery, output, appUri, appId, apiKey);
+      return new TraveltimeSearchQuery(params, prefilterQuery, output, distanceOutput, appUri, appId, apiKey);
    }
 
    @Override

7.11/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeQueryParser.java

@@ -25,6 +25,7 @@ public class TraveltimeQueryParser implements QueryParser<TraveltimeQueryBuilder
    private final ParseField requestType = new ParseField("requestType");
    private final ParseField prefilter = new ParseField("prefilter");
    private final ParseField output = new ParseField("output");
+   private final ParseField distanceOutput = new ParseField("distanceOutput");
 
    private final ContextParser<Void, QueryBuilder> prefilterParser = (p, c) -> AbstractQueryBuilder.parseInnerQueryBuilder(p);
 
@@ -36,9 +37,10 @@ public class TraveltimeQueryParser implements QueryParser<TraveltimeQueryBuilder
       queryParser.declareInt(TraveltimeQueryBuilder::setLimit, limit);
       queryParser.declareString((qb, s) -> qb.setMode(findByNameOrError("transportation mode", s, Util::findModeByName)), mode);
       queryParser.declareString((qb, s) -> qb.setCountry(findByNameOrError("country", s, Util::findCountryByName)), country);
-      queryParser.declareString((qb, s) -> qb.setRequestType(findByNameOrError("country", s, Util::findRequestTypeByName)), requestType);
+      queryParser.declareString((qb, s) -> qb.setRequestType(findByNameOrError("request mode", s, Util::findRequestTypeByName)), requestType);
       queryParser.declareObject(TraveltimeQueryBuilder::setPrefilter, prefilterParser, prefilter);
       queryParser.declareString(TraveltimeQueryBuilder::setOutput, output);
+      queryParser.declareString(TraveltimeQueryBuilder::setDistanceOutput, distanceOutput);
 
       queryParser.declareRequiredFieldSet(field.toString());
       queryParser.declareRequiredFieldSet(origin.toString());

7.11/src/main/java/com/traveltime/plugin/elasticsearch/query/TraveltimeSearchQuery.java

@@ -16,6 +16,7 @@ public class TraveltimeSearchQuery extends Query {
    private final TraveltimeQueryParameters params;
    private final Query prefilter;
    private final String output;
+   private final String distanceOutput;
    private final URI appUri;
    private final String appId;
    private final String apiKey;
@@ -45,7 +46,7 @@ public Query rewrite(IndexReader reader) throws IOException {
       if (newPrefilter == prefilter) {
          return super.rewrite(reader);
       } else {
-         return new TraveltimeSearchQuery(params, newPrefilter, output, appUri, appId, apiKey);
+         return new TraveltimeSearchQuery(params, newPrefilter, output, distanceOutput, appUri, appId, apiKey);
       }
    }
 }