added missing IndexType.edge

Author: Mark

ChangeLog

@@ -1,3 +1,7 @@
+v4.1.9 (2017-02-xx)
+---------------------------
+* added missing IndexType.edge
+
 v4.1.8 (2017-02-03)
 ---------------------------
 * changed java.util.Date serialization from VPack.date to VPack.string (ISO 8601)

src/main/java/com/arangodb/entity/IndexType.java

@@ -25,5 +25,5 @@
  *
  */
 public enum IndexType {
-	primary, hash, skiplist, persistent, geo, geo1, geo2, fulltext
+	primary, hash, skiplist, persistent, geo, geo1, geo2, fulltext, edge
 }

src/test/java/com/arangodb/ArangoCollectionTest.java

@@ -74,6 +74,7 @@
 public class ArangoCollectionTest extends BaseTest {
 
 	private static final String COLLECTION_NAME = "db_collection_test";
+	private static final String EDGE_COLLECTION_NAME = "db_edge_collection_test";
 
 	@Before
 	public void setup() {
@@ -806,6 +807,24 @@ public void getIndexes() {
 		}
 	}
 
+	@Test
+	public void getEdgeIndex() {
+		try {
+			db.createCollection(EDGE_COLLECTION_NAME, new CollectionCreateOptions().type(CollectionType.EDGES));
+			final Collection<IndexEntity> indexes = db.collection(EDGE_COLLECTION_NAME).getIndexes();
+			assertThat(indexes, is(notNullValue()));
+			assertThat(indexes.size(), is(2));
+			for (final IndexEntity i : indexes) {
+				assertThat(i.getType(), anyOf(is(IndexType.primary), is(IndexType.edge)));
+			}
+		} finally {
+			try {
+				db.collection(EDGE_COLLECTION_NAME).drop();
+			} catch (final ArangoDBException e) {
+			}
+		}
+	}
+
 	@Test
 	public void truncate() {
 		final BaseDocument doc = new BaseDocument();