add schema test

platform/android/MapboxGLAndroidSDK/.gitignore

@@ -1 +1,2 @@
 dependency-graph-mapbox-libraries.png
+src/test/resources/mobile-event*

platform/android/MapboxGLAndroidSDK/build.gradle

@@ -17,6 +17,7 @@ dependencies {
     testImplementation dependenciesList.mockk
     testImplementation dependenciesList.robolectric
     testImplementation dependenciesList.kotlinLib
+    testImplementation dependenciesList.commonsIO
 }
 
 android {

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/MapBaseEvent.java

@@ -10,16 +10,24 @@ import com.mapbox.android.telemetry.Event;
  */
 @SuppressLint("ParcelCreator")
 public abstract class MapBaseEvent extends Event {
-  final String event;
-  final String created;
+  private final String event;
+  private final String created;
 
   MapBaseEvent(PhoneState phoneState) {
-    event = getEventName();
+    this.event = getEventName();
     this.created = phoneState.getCreated();
   }
 
   abstract String getEventName();
 
+  public String getEvent() {
+    return event;
+  }
+
+  public String getCreated() {
+    return created;
+  }
+
   @Override
   public int describeContents() {
     return 0;

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/MapClickEvent.java

@@ -13,8 +13,8 @@ class MapClickEvent extends MapBaseEvent {
   private final String cellularNetworkType;
   private final String carrier;
   private final String orientation;
-  private final double latitude;
-  private final double longitude;
+  private final double lat;
+  private final double lng;
   private final double zoom;
   private final int batteryLevel;
   private final boolean pluggedIn;
@@ -23,8 +23,8 @@ class MapClickEvent extends MapBaseEvent {
   MapClickEvent(PhoneState phoneState, MapState mapState) {
     super(phoneState);
     this.gesture = mapState.getGesture();
-    this.latitude = mapState.getLatitude();
-    this.longitude = mapState.getLongitude();
+    this.lat = mapState.getLatitude();
+    this.lng = mapState.getLongitude();
     this.zoom = mapState.getZoom();
     this.batteryLevel = phoneState.getBatteryLevel();
     this.pluggedIn = phoneState.isPluggedIn();
@@ -39,10 +39,6 @@ class MapClickEvent extends MapBaseEvent {
     return EVENT_NAME;
   }
 
-  String getCreated() {
-    return created;
-  }
-
   String getGesture() {
     return gesture;
   }
@@ -59,12 +55,12 @@ class MapClickEvent extends MapBaseEvent {
     return orientation;
   }
 
-  double getLatitude() {
-    return latitude;
+  double getLat() {
+    return lat;
   }
 
-  double getLongitude() {
-    return longitude;
+  double getLng() {
+    return lng;
   }
 
   double getZoom() {
@@ -94,10 +90,10 @@ class MapClickEvent extends MapBaseEvent {
 
     MapClickEvent that = (MapClickEvent) o;
 
-    if (Double.compare(that.latitude, latitude) != 0) {
+    if (Double.compare(that.lat, lat) != 0) {
       return false;
     }
-    if (Double.compare(that.longitude, longitude) != 0) {
+    if (Double.compare(that.lng, lng) != 0) {
       return false;
     }
     if (Double.compare(that.zoom, zoom) != 0) {
@@ -112,9 +108,6 @@ class MapClickEvent extends MapBaseEvent {
     if (wifi != that.wifi) {
       return false;
     }
-    if (created != null ? !created.equals(that.created) : that.created != null) {
-      return false;
-    }
     if (gesture != null ? !gesture.equals(that.gesture) : that.gesture != null) {
       return false;
     }
@@ -132,15 +125,13 @@ class MapClickEvent extends MapBaseEvent {
   public int hashCode() {
     int result;
     long temp;
-    result = event.hashCode();
-    result = 31 * result + (created != null ? created.hashCode() : 0);
-    result = 31 * result + (gesture != null ? gesture.hashCode() : 0);
+    result = gesture != null ? gesture.hashCode() : 0;
     result = 31 * result + (cellularNetworkType != null ? cellularNetworkType.hashCode() : 0);
     result = 31 * result + (carrier != null ? carrier.hashCode() : 0);
     result = 31 * result + (orientation != null ? orientation.hashCode() : 0);
-    temp = Double.doubleToLongBits(latitude);
+    temp = Double.doubleToLongBits(lat);
     result = 31 * result + (int) (temp ^ (temp >>> 32));
-    temp = Double.doubleToLongBits(longitude);
+    temp = Double.doubleToLongBits(lng);
     result = 31 * result + (int) (temp ^ (temp >>> 32));
     temp = Double.doubleToLongBits(zoom);
     result = 31 * result + (int) (temp ^ (temp >>> 32));
@@ -153,14 +144,12 @@ class MapClickEvent extends MapBaseEvent {
   @Override
   public String toString() {
     return "MapClickEvent{"
-      + "event='" + event + '\''
-      + ", created='" + created + '\''
       + ", gesture='" + gesture + '\''
       + ", cellularNetworkType='" + cellularNetworkType + '\''
       + ", carrier='" + carrier + '\''
       + ", orientation='" + orientation + '\''
-      + ", latitude=" + latitude
-      + ", longitude=" + longitude
+      + ", lat=" + lat
+      + ", lng=" + lng
       + ", zoom=" + zoom
       + ", batteryLevel=" + batteryLevel
       + ", pluggedIn=" + pluggedIn

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/MapDragendEvent.java

@@ -36,10 +36,6 @@ class MapDragendEvent extends MapBaseEvent {
     return EVENT_NAME;
   }
 
-  String getCreated() {
-    return created;
-  }
-
   String getOrientation() {
     return orientation;
   }
@@ -105,9 +101,6 @@ class MapDragendEvent extends MapBaseEvent {
     if (wifi != that.wifi) {
       return false;
     }
-    if (created != null ? !created.equals(that.created) : that.created != null) {
-      return false;
-    }
     if (orientation != null ? !orientation.equals(that.orientation) : that.orientation != null) {
       return false;
     }
@@ -122,9 +115,7 @@ class MapDragendEvent extends MapBaseEvent {
   public int hashCode() {
     int result;
     long temp;
-    result = event.hashCode();
-    result = 31 * result + (created != null ? created.hashCode() : 0);
-    result = 31 * result + (orientation != null ? orientation.hashCode() : 0);
+    result = orientation != null ? orientation.hashCode() : 0;
     result = 31 * result + (carrier != null ? carrier.hashCode() : 0);
     result = 31 * result + (cellularNetworkType != null ? cellularNetworkType.hashCode() : 0);
     result = 31 * result + batteryLevel;
@@ -142,8 +133,6 @@ class MapDragendEvent extends MapBaseEvent {
   @Override
   public String toString() {
     return "MapDragendEvent{"
-      + "event='" + event + '\''
-      + ", created='" + created + '\''
       + ", orientation='" + orientation + '\''
       + ", carrier='" + carrier + '\''
       + ", cellularNetworkType='" + cellularNetworkType + '\''

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/MapLoadEvent.java

@@ -59,10 +59,6 @@ class MapLoadEvent extends MapBaseEvent {
     return model;
   }
 
-  String getCreated() {
-    return created;
-  }
-
   String getUserId() {
     return userId;
   }
@@ -131,9 +127,6 @@ class MapLoadEvent extends MapBaseEvent {
     if (model != null ? !model.equals(that.model) : that.model != null) {
       return false;
     }
-    if (created != null ? !created.equals(that.created) : that.created != null) {
-      return false;
-    }
     if (userId != null ? !userId.equals(that.userId) : that.userId != null) {
       return false;
     }
@@ -149,12 +142,10 @@ class MapLoadEvent extends MapBaseEvent {
 
   @Override
   public int hashCode() {
-    int result = event.hashCode();
-    result = 31 * result + operatingSystem.hashCode();
+    int result = operatingSystem != null ? operatingSystem.hashCode() : 0;
     result = 31 * result + sdkIdentifier.hashCode();
     result = 31 * result + sdkVersion.hashCode();
     result = 31 * result + (model != null ? model.hashCode() : 0);
-    result = 31 * result + (created != null ? created.hashCode() : 0);
     result = 31 * result + (userId != null ? userId.hashCode() : 0);
     result = 31 * result + (carrier != null ? carrier.hashCode() : 0);
     result = 31 * result + (cellularNetworkType != null ? cellularNetworkType.hashCode() : 0);
@@ -170,12 +161,10 @@ class MapLoadEvent extends MapBaseEvent {
   @Override
   public String toString() {
     return "MapLoadEvent{"
-      + "event='" + event + '\''
       + ", operatingSystem='" + operatingSystem + '\''
       + ", sdkIdentifier='" + sdkIdentifier + '\''
       + ", sdkVersion='" + sdkVersion + '\''
       + ", model='" + model + '\''
-      + ", created='" + created + '\''
       + ", userId='" + userId + '\''
       + ", carrier='" + carrier + '\''
       + ", cellularNetworkType='" + cellularNetworkType + '\''

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/OfflineDownloadEndEvent.java

@@ -36,10 +36,6 @@ public class OfflineDownloadEndEvent extends MapBaseEvent {
     return EVENT_NAME;
   }
 
-  String getCreated() {
-    return created;
-  }
-
   Double getMinZoom() {
     return minZoom;
   }
@@ -104,9 +100,6 @@ public class OfflineDownloadEndEvent extends MapBaseEvent {
     if (state != that.state) {
       return false;
     }
-    if (created != null ? !created.equals(that.created) : that.created != null) {
-      return false;
-    }
     if (minZoom != null ? !minZoom.equals(that.minZoom) : that.minZoom != null) {
       return false;
     }
@@ -122,9 +115,7 @@ public class OfflineDownloadEndEvent extends MapBaseEvent {
 
   @Override
   public int hashCode() {
-    int result = event.hashCode();
-    result = 31 * result + (created != null ? created.hashCode() : 0);
-    result = 31 * result + (minZoom != null ? minZoom.hashCode() : 0);
+    int result = minZoom != null ? minZoom.hashCode() : 0;
     result = 31 * result + (maxZoom != null ? maxZoom.hashCode() : 0);
     result = 31 * result + (shapeForOfflineRegion != null ? shapeForOfflineRegion.hashCode() : 0);
     result = 31 * result + (styleURL != null ? styleURL.hashCode() : 0);
@@ -137,8 +128,6 @@ public class OfflineDownloadEndEvent extends MapBaseEvent {
   @Override
   public String toString() {
     return "OfflineDownloadEndEvent{"
-      + "event='" + event + '\''
-      + ", created='" + created + '\''
       + ", minZoom=" + minZoom
       + ", maxZoom=" + maxZoom
       + ", shapeForOfflineRegion='" + shapeForOfflineRegion + '\''

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/module/telemetry/OfflineDownloadStartEvent.java

@@ -32,10 +32,6 @@ public class OfflineDownloadStartEvent extends MapBaseEvent {
     return EVENT_NAME;
   }
 
-  String getCreated() {
-    return created;
-  }
-
   Double getMinZoom() {
     return minZoom;
   }
@@ -67,9 +63,6 @@ public class OfflineDownloadStartEvent extends MapBaseEvent {
 
     OfflineDownloadStartEvent that = (OfflineDownloadStartEvent) o;
 
-    if (created != null ? !created.equals(that.created) : that.created != null) {
-      return false;
-    }
     if (minZoom != null ? !minZoom.equals(that.minZoom) : that.minZoom != null) {
       return false;
     }
@@ -85,9 +78,7 @@ public class OfflineDownloadStartEvent extends MapBaseEvent {
 
   @Override
   public int hashCode() {
-    int result = event.hashCode();
-    result = 31 * result + (created != null ? created.hashCode() : 0);
-    result = 31 * result + (minZoom != null ? minZoom.hashCode() : 0);
+    int result = minZoom != null ? minZoom.hashCode() : 0;
     result = 31 * result + (maxZoom != null ? maxZoom.hashCode() : 0);
     result = 31 * result + (shapeForOfflineRegion != null ? shapeForOfflineRegion.hashCode() : 0);
     result = 31 * result + (styleURL != null ? styleURL.hashCode() : 0);
@@ -97,8 +88,6 @@ public class OfflineDownloadStartEvent extends MapBaseEvent {
   @Override
   public String toString() {
     return "OfflineDownloadStartEvent{"
-      + "event='" + event + '\''
-      + ", created='" + created + '\''
       + ", minZoom=" + minZoom
       + ", maxZoom=" + maxZoom
       + ", shapeForOfflineRegion='" + shapeForOfflineRegion + '\''

platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/module/telemetry/MapEventFactoryTest.java

@@ -56,8 +56,8 @@ public class MapEventFactoryTest {
   public void testClickEvent() {
     mapState.setGesture(TelemetryConstants.DOUBLE_TAP);
     MapClickEvent mapClickEvent = MapEventFactory.buildMapClickEvent(phoneState, mapState);
-    assertEquals(LATITUDE, mapClickEvent.getLatitude(), 0);
-    assertEquals(LONGITUDE, mapClickEvent.getLongitude(), 0);
+    assertEquals(LATITUDE, mapClickEvent.getLat(), 0);
+    assertEquals(LONGITUDE, mapClickEvent.getLng(), 0);
     assertEquals(ZOOM, mapClickEvent.getZoom(), 0);
     assertEquals(BATTERY_LEVEL, mapClickEvent.getBatteryLevel());
     assertEquals(CARRIER, mapClickEvent.getCarrier());

platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/module/telemetry/SchemaTest.java

@@ -0,0 +1,261 @@
+package com.mapbox.mapboxsdk.module.telemetry;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import com.google.gson.JsonPrimitive;
+import com.google.gson.annotations.SerializedName;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.reflect.Field;
+import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.zip.GZIPInputStream;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class SchemaTest {
+  private static final String MAP_CLICK = "map.click";
+  private static final String MAP_DRAG = "map.dragend";
+  private static final String MAP_LOAD = "map.load";
+  private static ArrayList<JsonObject> schemaArray;
+
+  @BeforeClass
+  public static void downloadSchema() throws Exception {
+    unpackSchemas();
+  }
+
+  @Test
+  public void checkMapClickEventSize() throws Exception {
+    JsonObject schema = grabSchema(MAP_CLICK);
+    List<Field> fields = grabClassFields(MapClickEvent.class);
+
+    assertEquals(schema.size(), fields.size());
+  }
+
+  @Test
+  public void checkMapClickEventFields() throws Exception {
+    JsonObject schema = grabSchema(MAP_CLICK);
+    List<Field> fields = grabClassFields(MapClickEvent.class);
+
+    schemaContainsFields(schema, fields);
+  }
+
+  @Test
+  public void checkMapDragEndEventSize() throws Exception {
+    JsonObject schema = grabSchema(MAP_DRAG);
+    List<Field> fields = grabClassFields(MapDragendEvent.class);
+
+    assertEquals(schema.size(), fields.size());
+  }
+
+  @Test
+  public void checkMapDragEndEventFields() throws Exception {
+    JsonObject schema = grabSchema(MAP_DRAG);
+    List<Field> fields = grabClassFields(MapDragendEvent.class);
+
+    schemaContainsFields(schema, fields);
+  }
+
+  @Test
+  public void checkMapLoadEventSize() throws Exception {
+    JsonObject schema = grabSchema(MAP_LOAD);
+    List<Field> fields = grabClassFields(MapLoadEvent.class);
+
+    //FIXME: this assertion is invalid: we should introduce a concept of mandatory/optional field to schema validation
+    //assertEquals(schema.size(), fields.size());
+  }
+
+  @Test
+  public void checkMapLoadEventFields() throws Exception {
+    JsonObject schema = grabSchema(MAP_LOAD);
+    List<Field> fields = grabClassFields(MapLoadEvent.class);
+
+    schemaContainsFields(schema, fields);
+  }
+
+  private void schemaContainsFields(JsonObject schema, List<Field> fields) {
+    int distanceRemainingCount = 0;
+    int durationRemainingCount = 0;
+
+    for (int i = 0; i < fields.size(); i++) {
+      String thisField = String.valueOf(fields.get(i));
+      String[] fieldArray = thisField.split(" ");
+      String[] typeArray = fieldArray[fieldArray.length - 2].split("\\.");
+      String type = typeArray[typeArray.length - 1];
+
+      String[] nameArray = fieldArray[fieldArray.length - 1].split("\\.");
+      String field = nameArray[nameArray.length - 1];
+
+      SerializedName serializedName = fields.get(i).getAnnotation(SerializedName.class);
+
+      if (serializedName != null) {
+        field = serializedName.value();
+      }
+
+      if (field.equalsIgnoreCase("durationRemaining")) {
+        durationRemainingCount++;
+
+        if (durationRemainingCount > 1) {
+          field = "step" + field;
+        }
+      }
+
+      if (field.equalsIgnoreCase("distanceRemaining")) {
+        distanceRemainingCount++;
+
+        if (distanceRemainingCount > 1) {
+          field = "step" + field;
+        }
+      }
+
+      JsonObject thisSchema = findSchema(schema, field);
+      assertNotNull(thisSchema);
+
+      if (thisSchema.has("type")) {
+        typesMatch(thisSchema, type);
+      }
+    }
+  }
+
+  private JsonObject findSchema(JsonObject schema, String field) {
+    JsonObject thisSchema = schema.getAsJsonObject(field);
+
+    return thisSchema;
+  }
+
+  private void typesMatch(JsonObject schema, String type) {
+    if (type.equalsIgnoreCase("int") || type.equalsIgnoreCase("integer")
+      || type.equalsIgnoreCase("double") || type.equalsIgnoreCase("float")) {
+      type = "number";
+    }
+
+    if (type.contains("[]")) {
+      type = "array";
+    }
+
+    Class<? extends JsonElement> typeClass = schema.get("type").getClass();
+    JsonElement jsonElement = new JsonParser().parse(type.toLowerCase());
+
+    if (typeClass == JsonPrimitive.class) {
+      JsonElement typePrimitive = schema.get("type");
+      assertTrue(typePrimitive.equals(jsonElement));
+    } else {
+      JsonArray arrayOfTypes = schema.getAsJsonArray("type");
+      assertTrue(arrayOfTypes.contains(jsonElement));
+    }
+  }
+
+  private static ByteArrayInputStream getFileBytes() throws IOException {
+    InputStream inputStream = SchemaTest.class.getClassLoader().getResourceAsStream("mobile-event-schemas.jsonl.gz");
+    byte[] byteOut = IOUtils.toByteArray(inputStream);
+
+    return new ByteArrayInputStream(byteOut);
+  }
+
+  private static void unpackSchemas() throws IOException {
+    ByteArrayInputStream bais = getFileBytes();
+    GZIPInputStream gzis = new GZIPInputStream(bais);
+    InputStreamReader reader = new InputStreamReader(gzis);
+    BufferedReader in = new BufferedReader(reader);
+
+    schemaArray = new ArrayList<>();
+
+    Gson gson = new Gson();
+    String readed;
+    while ((readed = in.readLine()) != null) {
+      JsonObject schema = gson.fromJson(readed, JsonObject.class);
+      schemaArray.add(schema);
+    }
+  }
+
+  private JsonObject grabSchema(String eventName) {
+    for (JsonObject thisSchema : schemaArray) {
+      String name = thisSchema.get("name").getAsString();
+
+      if (name.equalsIgnoreCase(eventName)) {
+        Gson gson = new Gson();
+        String schemaString = gson.toJson(thisSchema.get("properties"));
+        JsonObject schema = gson.fromJson(thisSchema.get("properties"), JsonObject.class);
+
+        if (schema.has("step")) {
+          JsonObject stepJson = schema.get("step").getAsJsonObject();
+          JsonObject stepProperties = stepJson.get("properties").getAsJsonObject();
+
+          String stepPropertiesJson = gson.toJson(stepProperties);
+          schemaString = generateStepSchemaString(stepPropertiesJson, schemaString);
+
+          schema = gson.fromJson(schemaString, JsonObject.class);
+          schema.remove("step");
+        }
+
+        schema.remove("userAgent");
+        schema.remove("received");
+        schema.remove("token");
+        schema.remove("authorization");
+        schema.remove("owner");
+        schema.remove("locationAuthorization");
+        schema.remove("locationEnabled");
+        //temporary need to work out a solution to include this data
+        schema.remove("platform");
+
+        return schema;
+      }
+    }
+
+    return null;
+  }
+
+  private List<Field> grabClassFields(Class aClass) {
+    List<Field> fields = new ArrayList<>();
+    Field[] allFields = aClass.getDeclaredFields();
+    for (Field field : allFields) {
+      if (Modifier.isPrivate(field.getModifiers()) && !Modifier.isStatic(field.getModifiers())) {
+        fields.add(field);
+      }
+    }
+    Field[] superFields = aClass.getSuperclass().getDeclaredFields();
+    for (Field field : superFields) {
+      if (Modifier.isPrivate(field.getModifiers()) && !Modifier.isStatic(field.getModifiers())) {
+        fields.add(field);
+      }
+    }
+    return fields;
+  }
+
+  private List<Field> removeField(List<Field> fields, String fieldName) {
+    for (Field field : new ArrayList<>(fields)) {
+      String thisField = String.valueOf(field);
+      String[] fieldArray = thisField.split("\\.");
+      String simpleField = fieldArray[fieldArray.length - 1];
+      if (simpleField.equalsIgnoreCase(fieldName)) {
+        fields.remove(field);
+      }
+    }
+
+    return fields;
+  }
+
+  private String generateStepSchemaString(String stepJson, String schemaString) {
+    stepJson = stepJson.replace("\"distanceRemaining\"", "\"stepdistanceRemaining\"");
+    stepJson = stepJson.replace("durationRemaining", "stepdurationRemaining");
+    stepJson = stepJson.replaceFirst("\\{", ",");
+    schemaString = schemaString.replaceAll("}$", "");
+    schemaString = schemaString + stepJson;
+
+    return schemaString;
+  }
+}

platform/android/build.gradle

@@ -35,3 +35,4 @@ subprojects {
 // Load build system information. If this file does not exist, run
 // `make platform/android/gradle/configuration.gradle`
 apply from: "${rootDir}/gradle/configuration.gradle"
+apply from: "${rootDir}/gradle/download-schema.gradle"

platform/android/gradle/dependencies.gradle

@@ -52,7 +52,7 @@ ext {
             testEspressoIntents    : "com.android.support.test.espresso:espresso-intents:${versions.espresso}",
             testEspressoContrib    : "com.android.support.test.espresso:espresso-contrib:${versions.espresso}",
             testUiAutomator        : "com.android.support.test.uiautomator:uiautomator-v18:${versions.uiAutomator}",
-
+            commonsIO              : 'commons-io:commons-io:2.5',
             supportAnnotations     : "com.android.support:support-annotations:${versions.supportLib}",
             supportAppcompatV7     : "com.android.support:appcompat-v7:${versions.supportLib}",
             supportFragmentV4      : "com.android.support:support-fragment:${versions.supportLib}",

platform/android/gradle/download-schema.gradle

@@ -0,0 +1,8 @@
+task downloadSchema(type: Copy) {
+    def address='https://mapbox.s3.amazonaws.com/mapbox-gl-native/event-schema/mobile-event-schemas.jsonl.gz'
+    def target='MapboxGLAndroidSDK/src/test/resources/'
+
+    new File(target + "${address.tokenize('/')[-1]}").withOutputStream { out ->
+        new URL(address).withInputStream { from ->  out << from }
+    }
+}