ArangoDatabase::getEngine

src/main/java/com/arangodb/ArangoDB.java

@@ -27,13 +27,7 @@
 
 import javax.net.ssl.SSLContext;
 
-import com.arangodb.entity.ArangoDBVersion;
-import com.arangodb.entity.LoadBalancingStrategy;
-import com.arangodb.entity.LogEntity;
-import com.arangodb.entity.LogLevelEntity;
-import com.arangodb.entity.Permissions;
-import com.arangodb.entity.ServerRole;
-import com.arangodb.entity.UserEntity;
+import com.arangodb.entity.*;
 import com.arangodb.internal.ArangoContext;
 import com.arangodb.internal.ArangoDBImpl;
 import com.arangodb.internal.ArangoDefaults;
@@ -717,6 +711,16 @@ public synchronized ArangoDB build() {
  */
 ArangoDBVersion getVersion() throws ArangoDBException;
 
+/**
+ * Returns the server storage engine.
+ *
+ * @see <a href="https://docs.arangodb.com/current/HTTP/MiscellaneousFunctions/index.html#return-server-database-engine-type">API
+ * Documentation</a>
+ * @return the storage engine name
+ * @throws ArangoDBException
+ */
+ArangoDBEngine getEngine() throws ArangoDBException;
+
 /**
  * Returns the server role.
  *

src/main/java/com/arangodb/ArangoDatabase.java

@@ -61,6 +61,16 @@ public interface ArangoDatabase extends ArangoSerializationAccessor {
  */
 ArangoDBVersion getVersion() throws ArangoDBException;
 
+/**
+ * Returns the name of the used storage engine.
+ *
+ * @return the storage engine name
+ * @throws ArangoDBException
+ * @see <a href="https://docs.arangodb.com/current/HTTP/MiscellaneousFunctions/index.html#return-server-database-engine-type">API
+ * Documentation</a>
+ */
+ArangoDBEngine getEngine() throws ArangoDBException;
+
 /**
  * Checks whether the database exists
  *

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

@@ -0,0 +1,47 @@
+/*
+ * DISCLAIMER
+ *
+ * Copyright 2016 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.entity;
+
+/**
+ * @author Michele Rastelli
+ * @see <a href="https://docs.arangodb.com/current/HTTP/MiscellaneousFunctions/index.html#return-server-database-engine-type">API
+ * Documentation</a>
+ */
+public class ArangoDBEngine implements Entity {
+
+public enum StorageEngineName {
+mmfiles, rocksdb
+}
+
+private StorageEngineName name;
+
+public ArangoDBEngine() {
+super();
+}
+
+/**
+ * @return the storage engine name
+ */
+public StorageEngineName getName() {
+return name;
+}
+
+}

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

@@ -23,19 +23,14 @@
 import java.io.IOException;
 import java.util.Collection;
 
+import com.arangodb.entity.*;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import com.arangodb.ArangoDB;
 import com.arangodb.ArangoDBException;
 import com.arangodb.ArangoDatabase;
 import com.arangodb.Protocol;
-import com.arangodb.entity.ArangoDBVersion;
-import com.arangodb.entity.LogEntity;
-import com.arangodb.entity.LogLevelEntity;
-import com.arangodb.entity.Permissions;
-import com.arangodb.entity.ServerRole;
-import com.arangodb.entity.UserEntity;
 import com.arangodb.internal.ArangoExecutor.ResponseDeserializer;
 import com.arangodb.internal.http.HttpCommunication;
 import com.arangodb.internal.http.HttpProtocol;
@@ -163,6 +158,11 @@ public ArangoDBVersion getVersion() throws ArangoDBException {
 return db().getVersion();
 }
 
+@Override
+public ArangoDBEngine getEngine() throws ArangoDBException {
+return db().getEngine();
+}
+
 @Override
 public ServerRole getRole() throws ArangoDBException {
 return executor.execute(getRoleRequest(), getRoleResponseDeserializer());

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

@@ -59,6 +59,11 @@ public ArangoDBVersion getVersion() throws ArangoDBException {
 return executor.execute(getVersionRequest(), ArangoDBVersion.class);
 }
 
+@Override
+public ArangoDBEngine getEngine() throws ArangoDBException {
+return executor.execute(getEngineRequest(), ArangoDBEngine.class);
+}
+
 @Override
 public boolean exists() throws ArangoDBException {
 try {

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

@@ -48,6 +48,7 @@ public abstract class InternalArangoDatabase<A extends InternalArangoDB<E>, E ex
 
 protected static final String PATH_API_DATABASE = "/_api/database";
 private static final String PATH_API_VERSION = "/_api/version";
+private static final String PATH_API_ENGINE = "/_api/engine";
 private static final String PATH_API_CURSOR = "/_api/cursor";
 private static final String PATH_API_TRANSACTION = "/_api/transaction";
 private static final String PATH_API_BEGIN_STREAM_TRANSACTION = "/_api/transaction/begin";
@@ -92,6 +93,10 @@ protected Request getVersionRequest() {
 return request(name, RequestType.GET, PATH_API_VERSION);
 }
 
+protected Request getEngineRequest() {
+return request(name, RequestType.GET, PATH_API_ENGINE);
+}
+
 protected Request createCollectionRequest(final String name, final CollectionCreateOptions options) {
 
 VPackSlice body = util()

src/test/java/com/arangodb/ArangoDatabaseTest.java

@@ -127,6 +127,13 @@ public void getVersion() {
 assertThat(version.getVersion(), is(notNullValue()));
 }
 
+@Test
+public void getEngine() {
+final ArangoDBEngine engine = db.getEngine();
+assertThat(engine, is(notNullValue()));
+assertThat(engine.getName(), is(notNullValue()));
+}
+
 @Test
 public void exists() {
 assertThat(db.exists(), is(true));