Add ArangoSearch link property trackValues

Author: mpv1989

src/main/java/com/arangodb/internal/velocypack/VPackDeserializers.java

@@ -233,7 +233,7 @@ public ArangoSearchProperties deserialize(
 						if (consolidateThreshold.isObject()) {
 							final ConsolidateThreshold t = ConsolidateThreshold.of(type);
 							final VPackSlice threshold = consolidateThreshold.get("threshold");
-							if (threshold.isDouble()) {
+							if (threshold.isNumber()) {
 								t.threshold(threshold.getAsDouble());
 							}
 							final VPackSlice segmentThreshold = consolidateThreshold.get("segmentThreshold");

src/main/java/com/arangodb/model/arangosearch/CollectionLink.java

@@ -34,6 +34,7 @@ public class CollectionLink {
 	private final Collection<String> analyzers;
 	private Boolean includeAllFields;
 	private Boolean trackListPositions;
+	private TrackValuesType trackValues;
 	private final Collection<FieldLink> fields;
 
 	private CollectionLink(final String name) {
@@ -85,6 +86,17 @@ public CollectionLink trackListPositions(final Boolean trackListPositions) {
 		return this;
 	}
 
+	/**
+	 * @param trackValues
+	 *            How should the view track the attribute values, this setting allows for additional value retrieval
+	 *            optimizations (default "none").
+	 * @return link
+	 */
+	public CollectionLink trackValues(final TrackValuesType trackValues) {
+		this.trackValues = trackValues;
+		return this;
+	}
+
 	/**
 	 * @param fields
 	 *            A list of linked fields
@@ -111,6 +123,10 @@ public Boolean getTrackListPositions() {
 		return trackListPositions;
 	}
 
+	public TrackValuesType getTrackValues() {
+		return trackValues;
+	}
+
 	public Collection<FieldLink> getFields() {
 		return fields;
 	}

src/main/java/com/arangodb/model/arangosearch/FieldLink.java

@@ -10,6 +10,7 @@ public class FieldLink {
 	private final Collection<String> analyzers;
 	private Boolean includeAllFields;
 	private Boolean trackListPositions;
+	private TrackValuesType trackValues;
 	private final Collection<FieldLink> fields;
 
 	private FieldLink(final String name) {
@@ -61,6 +62,17 @@ public FieldLink trackListPositions(final Boolean trackListPositions) {
 		return this;
 	}
 
+	/**
+	 * @param trackValues
+	 *            How should the view track the attribute values, this setting allows for additional value retrieval
+	 *            optimizations (default "none").
+	 * @return link
+	 */
+	public FieldLink trackValues(final TrackValuesType trackValues) {
+		this.trackValues = trackValues;
+		return this;
+	}
+
 	/**
 	 * @param fields
 	 *            A list of linked fields
@@ -87,6 +99,10 @@ public Boolean getTrackListPositions() {
 		return trackListPositions;
 	}
 
+	public TrackValuesType getTrackValues() {
+		return trackValues;
+	}
+
 	public Collection<FieldLink> getFields() {
 		return fields;
 	}

src/main/java/com/arangodb/model/arangosearch/TrackValuesType.java

@@ -0,0 +1,39 @@
+/*
+ * DISCLAIMER
+ *
+ * Copyright 2018 ArangoDB GmbH, Cologne, Germany
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Copyright holder is ArangoDB GmbH, Cologne, Germany
+ */
+
+package com.arangodb.model.arangosearch;
+
+/**
+ * @author Mark Vollmary
+ *
+ */
+public enum TrackValuesType {
+
+	/**
+	 * Do not track values by the view
+	 */
+	NONE,
+
+	/**
+	 * Track only value presence, to allow use of the EXISTS() function.
+	 */
+	EXISTS
+
+}