bump up version to 2.0.0 (#192)

* bump up version to 2.0.0

* fix formatting

Author: halakaraki

README.md

@@ -31,7 +31,7 @@ Add *cadence-client* as a dependency to your *pom.xml*:
     <dependency>
       <groupId>com.uber.cadence</groupId>
       <artifactId>cadence-client</artifactId>
-      <version>1.0.5</version>
+      <version>2.0.0</version>
     </dependency>
 
 or to *build.gradle*:

build.gradle

@@ -37,7 +37,7 @@ googleJavaFormat {
 }
 
 group = 'com.uber.cadence'
-version = '1.0.5'
+version = '2.0.0'
 
 description = """Uber Cadence Java Client"""
 

src/main/java/com/uber/cadence/internal/worker/ActivityPollTask.java

@@ -25,8 +25,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-final class ActivityPollTask
-    implements Poller.PollTask<ActivityWorker.MeasurableActivityTask> {
+final class ActivityPollTask implements Poller.PollTask<ActivityWorker.MeasurableActivityTask> {
 
   private final IWorkflowService service;
   private final String domain;

src/main/java/com/uber/cadence/internal/worker/Poller.java

@@ -17,11 +17,9 @@
 
 package com.uber.cadence.internal.worker;
 
-import com.google.common.base.Preconditions;
 import com.uber.cadence.internal.common.BackoffThrottler;
 import com.uber.cadence.internal.metrics.MetricsType;
 import com.uber.m3.tally.Scope;
-
 import java.util.Objects;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicReference;

src/main/java/com/uber/cadence/worker/Worker.java

@@ -324,7 +324,8 @@ public Factory(String host, int port, String domain) {
 
     public Factory(IWorkflowService workflowService, String domain) {
       Objects.requireNonNull(workflowService, "workflowService should not be null");
-      Preconditions.checkArgument(!Strings.isNullOrEmpty(domain), "domain should not be an empty string");
+      Preconditions.checkArgument(
+          !Strings.isNullOrEmpty(domain), "domain should not be an empty string");
 
       this.workflowService = workflowService;
       this.domain = domain;
@@ -335,7 +336,8 @@ public Worker newWorker(String taskList) {
     }
 
     public Worker newWorker(String taskList, WorkerOptions options) {
-      Preconditions.checkArgument(!Strings.isNullOrEmpty(taskList), "taskList should not be an empty string");
+      Preconditions.checkArgument(
+          !Strings.isNullOrEmpty(taskList), "taskList should not be an empty string");
 
       synchronized (this) {
         Preconditions.checkState(