Added possibility to reuse client as a core part of Reactive client

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Features
 
 - Support for Basic Authentication [PR #492](https://github.com/influxdata/influxdb-java/pull/492)
+- Added possibility to reuse client as a core part of [influxdb-java-reactive](https://github.com/bonitoo-io/influxdb-java-reactive) client [PR #493](https://github.com/influxdata/influxdb-java/pull/493)
 
 ## 2.12 [2018-07-31]
 

src/main/java/org/influxdb/impl/InfluxDBImpl.java

@@ -107,28 +107,51 @@ public class InfluxDBImpl implements InfluxDB {
    *          The InfluxDB user name
    * @param password
    *          The InfluxDB user password
-   * @param client
+   * @param okHttpBuilder
    *          The OkHttp Client Builder
    * @param responseFormat
    *          The {@code ResponseFormat} to use for response from InfluxDB
    *          server
    */
-  public InfluxDBImpl(final String url, final String username, final String password, final OkHttpClient.Builder client,
-      final ResponseFormat responseFormat) {
+  public InfluxDBImpl(final String url, final String username, final String password,
+                      final OkHttpClient.Builder okHttpBuilder, final ResponseFormat responseFormat) {
+    this(url, username, password, okHttpBuilder, new Retrofit.Builder(), responseFormat);
+  }
+
+  /**
+   * Constructs a new {@code InfluxDBImpl}.
+   *
+   * @param url
+   *          The InfluxDB server API URL
+   * @param username
+   *          The InfluxDB user name
+   * @param password
+   *          The InfluxDB user password
+   * @param okHttpBuilder
+   *          The OkHttp Client Builder
+   * @param retrofitBuilder
+   *          The Retrofit Builder
+   * @param responseFormat
+   *          The {@code ResponseFormat} to use for response from InfluxDB
+   *          server
+   */
+  public InfluxDBImpl(final String url, final String username, final String password,
+                      final OkHttpClient.Builder okHttpBuilder, final Retrofit.Builder retrofitBuilder,
+                      final ResponseFormat responseFormat) {
     this.messagePack = ResponseFormat.MSGPACK.equals(responseFormat);
     this.hostAddress = parseHostAddress(url);
 
     this.loggingInterceptor = new HttpLoggingInterceptor();
     setLogLevel(LOG_LEVEL);
 
     this.gzipRequestInterceptor = new GzipRequestInterceptor();
-    OkHttpClient.Builder clonedBuilder = client.build().newBuilder();
-    clonedBuilder.addInterceptor(loggingInterceptor).addInterceptor(gzipRequestInterceptor).
+    OkHttpClient.Builder clonedOkHttpBuilder = okHttpBuilder.build().newBuilder();
+    clonedOkHttpBuilder.addInterceptor(loggingInterceptor).addInterceptor(gzipRequestInterceptor).
       addInterceptor(new BasicAuthInterceptor(username, password));
     Factory converterFactory = null;
     switch (responseFormat) {
     case MSGPACK:
-      clonedBuilder.addInterceptor(chain -> {
+      clonedOkHttpBuilder.addInterceptor(chain -> {
         Request request = chain.request().newBuilder().addHeader("Accept", APPLICATION_MSGPACK).build();
         return chain.proceed(request);
       });
@@ -146,8 +169,9 @@ public InfluxDBImpl(final String url, final String username, final String passwo
       break;
     }
 
-    this.retrofit = new Retrofit.Builder().baseUrl(url).client(
-        clonedBuilder.build()).addConverterFactory(converterFactory).build();
+    Retrofit.Builder clonedRetrofitBuilder = retrofitBuilder.baseUrl(url).build().newBuilder();
+    this.retrofit = clonedRetrofitBuilder.client(clonedOkHttpBuilder.build())
+            .addConverterFactory(converterFactory).build();
     this.influxDBService = this.retrofit.create(InfluxDBService.class);
 
   }

src/test/java/org/influxdb/impl/RetryCapableBatchWriterTest.java

@@ -107,9 +107,11 @@ public void testAllNonRecoverableExceptions() {
     InfluxDBException nonRecoverable5 = InfluxDBException.buildExceptionForErrorState(createErrorBody("field type conflict 'abc'"));
     InfluxDBException nonRecoverable6 = new InfluxDBException.RetryBufferOverrunException(createErrorBody("Retry BufferOverrun Exception"));
     InfluxDBException nonRecoverable7 = InfluxDBException.buildExceptionForErrorState(createErrorBody("user is not authorized to write to database"));
-
+    InfluxDBException nonRecoverable8 = InfluxDBException.buildExceptionForErrorState(createErrorBody("authorization failed"));
+    InfluxDBException nonRecoverable9 = InfluxDBException.buildExceptionForErrorState(createErrorBody("username required"));
+
     List<InfluxDBException> exceptions = Arrays.asList(nonRecoverable1, nonRecoverable2, nonRecoverable3,
-        nonRecoverable4, nonRecoverable5, nonRecoverable6, nonRecoverable7);
+        nonRecoverable4, nonRecoverable5, nonRecoverable6, nonRecoverable7, nonRecoverable8, nonRecoverable9);
     int size = exceptions.size();
     doAnswer(new TestAnswer() {
       int i = 0;
@@ -224,8 +226,15 @@ protected void check(InvocationOnMock invocation) {
     Assertions.assertEquals(bp1, captor4Write.getAllValues().get(1));
     //bp2 written
     Assertions.assertEquals(bp2, captor4Write.getAllValues().get(2));
-
   }
+
+  @Test
+  void defaultExceptionIsRecoverable() {
+    InfluxDBException unknownError = InfluxDBException.buildExceptionForErrorState(createErrorBody("unknown error"));
+
+    Assertions.assertTrue(unknownError.isRetryWorth());
+  }
+
   private static String createErrorBody(String errorMessage) {
     return MessageFormat.format("'{' \"error\": \"{0}\" '}'", errorMessage);
   }