code inspection fixes

src/main/java/com/arangodb/async/internal/ExceptionUtil.java

@@ -27,7 +27,7 @@
 /**
  * @author Michele Rastelli
  */
-public class ExceptionUtil {
+class ExceptionUtil {
  static <T> Function<Throwable, T> catchGetDocumentExceptions(Boolean isCatchException) {
  return throwable -> {
  if (throwable instanceof CompletionException) {

src/main/java/com/arangodb/internal/InternalArangoEdgeCollection.java

@@ -36,9 +36,6 @@
 import java.util.HashMap;
 import java.util.Map;
 
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * @author Mark Vollmary
  *

src/main/java/com/arangodb/internal/InternalArangoGraph.java

@@ -67,7 +67,7 @@ protected Request dropRequest() {
 protected Request dropRequest(final boolean dropCollections) {
 final Request request = request(db.name(), RequestType.DELETE, PATH_API_GHARIAL, name);
 if (dropCollections) {
-request.putQueryParam("dropCollections", dropCollections);
+request.putQueryParam("dropCollections", true);
 }
 return request;
 }

src/main/java/com/arangodb/internal/InternalArangoVertexCollection.java

@@ -36,9 +36,6 @@
 import java.util.HashMap;
 import java.util.Map;
 
-import java.util.HashMap;
-import java.util.Map;
-
 /**
  * @author Mark Vollmary
  *

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

@@ -101,6 +101,7 @@ public void insertDocumentWithArrayWithNullValues() {
  assertThat(insertedDoc.getKey(), is(notNullValue()));
  assertThat(insertedDoc.getRev(), is(notNullValue()));
  assertThat(insertedDoc.getId(), is(COLLECTION_NAME + "/" + insertedDoc.getKey()));
+ //noinspection unchecked
  assertThat(((List<String>) insertedDoc.getNew().getAttribute("arr")), contains("a", null));
  }
 

src/test/java/com/arangodb/StreamTransactionGraphTest.java

@@ -47,10 +47,10 @@ public class StreamTransactionGraphTest extends BaseTest {
  private static final String VERTEX_COLLECTION_1 = "vertex_collection_1_stream_transaction_graph_test";
  private static final String VERTEX_COLLECTION_2 = "vertex_collection_2_stream_transaction_graph_test";
 
- private ArangoGraph graph;
- private ArangoVertexCollection vertexCollection1;
- private ArangoVertexCollection vertexCollection2;
- private ArangoEdgeCollection edgeCollection;
+ private final ArangoGraph graph;
+ private final ArangoVertexCollection vertexCollection1;
+ private final ArangoVertexCollection vertexCollection2;
+ private final ArangoEdgeCollection edgeCollection;
 
  public StreamTransactionGraphTest(final Builder builder) {
  super(builder);

src/test/java/com/arangodb/async/StreamTransactionGraphTest.java

@@ -45,7 +45,7 @@ public class StreamTransactionGraphTest extends BaseTest {
  private static final String VERTEX_COLLECTION_1 = "vertex_collection_1_stream_transaction_graph_test";
  private static final String VERTEX_COLLECTION_2 = "vertex_collection_2_stream_transaction_graph_test";
 
- private ArangoGraphAsync graph;
+ private final ArangoGraphAsync graph;
  private ArangoVertexCollectionAsync vertexCollection1;
  private ArangoVertexCollectionAsync vertexCollection2;
  private ArangoEdgeCollectionAsync edgeCollection;

src/test/java/com/arangodb/async/TestUtils.java

@@ -30,8 +30,8 @@
 /**
  * @author Michele Rastelli
  */
-public class TestUtils {
- public static TestRule acquireHostListRule = (base, description) -> {
+class TestUtils {
+ static final TestRule acquireHostListRule = (base, description) -> {
  assumeTrue(!TestUtils.isAcquireHostList());
  return base;
  };