Rename method name and remove Chinese comments (#1423)

diff --git a/elasticjob-cloud/elasticjob-cloud-executor/src/main/java/org/apache/shardingsphere/elasticjob/cloud/facade/CloudJobFacade.java b/elasticjob-cloud/elasticjob-cloud-executor/src/main/java/org/apache/shardingsphere/elasticjob/cloud/facade/CloudJobFacade.java
index 21ca2cf..f2c83e7 100755
--- a/elasticjob-cloud/elasticjob-cloud-executor/src/main/java/org/apache/shardingsphere/elasticjob/cloud/facade/CloudJobFacade.java
+++ b/elasticjob-cloud/elasticjob-cloud-executor/src/main/java/org/apache/shardingsphere/elasticjob/cloud/facade/CloudJobFacade.java
@@ -125,12 +125,12 @@
     }
 
     @Override
-    public void dagStatesCheck() {
+    public void checkDagStates() {
 
     }
 
     @Override
-    public void dagJobDependenciesCheck() {
+    public void checkDagJobDependencies() {
 
     }
 }
diff --git a/elasticjob-cloud/elasticjob-cloud-executor/src/test/java/org/apache/shardingsphere/elasticjob/cloud/executor/facade/CloudJobFacadeTest.java b/elasticjob-cloud/elasticjob-cloud-executor/src/test/java/org/apache/shardingsphere/elasticjob/cloud/executor/facade/CloudJobFacadeTest.java
index e23d8db..23f424f 100755
--- a/elasticjob-cloud/elasticjob-cloud-executor/src/test/java/org/apache/shardingsphere/elasticjob/cloud/executor/facade/CloudJobFacadeTest.java
+++ b/elasticjob-cloud/elasticjob-cloud-executor/src/test/java/org/apache/shardingsphere/elasticjob/cloud/executor/facade/CloudJobFacadeTest.java
@@ -140,12 +140,12 @@
     }
 
     @Test
-    public void assertDagStatesCheck() {
-        jobFacade.dagStatesCheck();
+    public void assertCheckDagStates() {
+        jobFacade.checkDagStates();
     }
 
     @Test
-    public void assertDagJobDependenciesCheck() {
-        jobFacade.dagJobDependenciesCheck();
+    public void assertCheckDagJobDependencies() {
+        jobFacade.checkDagJobDependencies();
     }
 }
diff --git a/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/ElasticJobExecutor.java b/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/ElasticJobExecutor.java
index 14a4d28..0652cde 100644
--- a/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/ElasticJobExecutor.java
+++ b/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/ElasticJobExecutor.java
@@ -83,14 +83,14 @@
     public void execute() {
         try {
             jobFacade.checkJobExecutionEnvironment();
-        } catch (final JobExecutionEnvironmentException cause) {
-            jobErrorHandler.handleException(jobConfig.getJobName(), cause);
+        } catch (final JobExecutionEnvironmentException ex) {
+            jobErrorHandler.handleException(jobConfig.getJobName(), ex);
         }
 
         if (jobFacade.isDagJob()) {
             try {
-                jobFacade.dagStatesCheck();
-                jobFacade.dagJobDependenciesCheck();
+                jobFacade.checkDagStates();
+                jobFacade.checkDagJobDependencies();
                 //CHECKSTYLE:OFF
             } catch (final Exception ex) {
                 //CHECKSTYLE:ON
@@ -110,9 +110,9 @@
         try {
             jobFacade.beforeJobExecuted(shardingContexts);
             //CHECKSTYLE:OFF
-        } catch (final Throwable cause) {
+        } catch (final Throwable ex) {
             //CHECKSTYLE:ON
-            jobErrorHandler.handleException(jobConfig.getJobName(), cause);
+            jobErrorHandler.handleException(jobConfig.getJobName(), ex);
         }
         execute(shardingContexts, ExecutionSource.NORMAL_TRIGGER);
         while (jobFacade.isExecuteMisfired(shardingContexts.getShardingItemParameters().keySet())) {
@@ -123,9 +123,9 @@
         try {
             jobFacade.afterJobExecuted(shardingContexts);
             //CHECKSTYLE:OFF
-        } catch (final Throwable cause) {
+        } catch (final Throwable ex) {
             //CHECKSTYLE:ON
-            jobErrorHandler.handleException(jobConfig.getJobName(), cause);
+            jobErrorHandler.handleException(jobConfig.getJobName(), ex);
         }
     }
     
@@ -189,12 +189,12 @@
             log.trace("Job '{}' executed, item is: '{}'.", jobConfig.getJobName(), item);
             jobFacade.postJobExecutionEvent(completeEvent);
             // CHECKSTYLE:OFF
-        } catch (final Throwable cause) {
+        } catch (final Throwable ex) {
             // CHECKSTYLE:ON
-            completeEvent = startEvent.executionFailure(ExceptionUtils.transform(cause));
+            completeEvent = startEvent.executionFailure(ExceptionUtils.transform(ex));
             jobFacade.postJobExecutionEvent(completeEvent);
-            itemErrorMessages.put(item, ExceptionUtils.transform(cause));
-            jobErrorHandler.handleException(jobConfig.getJobName(), cause);
+            itemErrorMessages.put(item, ExceptionUtils.transform(ex));
+            jobErrorHandler.handleException(jobConfig.getJobName(), ex);
         }
     }
     
diff --git a/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/JobFacade.java b/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/JobFacade.java
index d6d7e2a..f463846 100644
--- a/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/JobFacade.java
+++ b/elasticjob-executor/elasticjob-executor-kernel/src/main/java/org/apache/shardingsphere/elasticjob/executor/JobFacade.java
@@ -150,10 +150,10 @@
     /**
      * Check Dag Group States.
      */
-    void dagStatesCheck();
+    void checkDagStates();
 
     /**
-     * check current job's dependencies are all success.
+     * Check current job's dependencies are all success.
      */
-    void dagJobDependenciesCheck();
+    void checkDagJobDependencies();
 }
diff --git a/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/dag/DagService.java b/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/dag/DagService.java
index 037f51f..122e6a4 100644
--- a/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/dag/DagService.java
+++ b/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/dag/DagService.java
@@ -175,7 +175,7 @@
     }
 
     /**
-     * current dag status.
+     * Get dag status.
      *
      * @return DagStates
      */
@@ -340,7 +340,6 @@
             return;
         }
 
-        // 要求dep skip 或 success
         String[] deps = dagNodeStorage.getJobDenpendencies();
         for (String dep : deps) {
             if (StringUtils.equals(dep, "self")) {
@@ -375,9 +374,9 @@
             long interval = (jobDagConfig.getRetryInterval() <= 0 ? DEFAULT_RETRY_INTERVAL : jobDagConfig.getRetryInterval()) * 1000L;
             delayQueue.put(dagName + "||" + jobName, System.currentTimeMillis() + interval);
             //CHECKSTYLE:OFF
-        } catch (Exception exp) {
+        } catch (Exception ex) {
             //CHECKSTYLE:ON
-            log.error("Dag-{}[{}] retry job to Delay queue Exception!", dagName, jobName, exp);
+            log.error("Dag-{}[{}] retry job to Delay queue Exception!", dagName, jobName, ex);
             return false;
         }
 
diff --git a/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacade.java b/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacade.java
index af72da4..82d8ede 100644
--- a/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacade.java
+++ b/elasticjob-lite/elasticjob-lite-core/src/main/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacade.java
@@ -206,7 +206,7 @@
     }
 
     @Override
-    public void dagStatesCheck() {
+    public void checkDagStates() {
         if (dagService.getDagStates() == DagStates.RUNNING) {
             return;
         }
@@ -225,7 +225,7 @@
     }
 
     @Override
-    public void dagJobDependenciesCheck() {
+    public void checkDagJobDependencies() {
         dagService.checkJobDependenciesState();
     }
 }
diff --git a/elasticjob-lite/elasticjob-lite-core/src/test/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacadeTest.java b/elasticjob-lite/elasticjob-lite-core/src/test/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacadeTest.java
index fc438a3..95c7f5a 100644
--- a/elasticjob-lite/elasticjob-lite-core/src/test/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacadeTest.java
+++ b/elasticjob-lite/elasticjob-lite-core/src/test/java/org/apache/shardingsphere/elasticjob/lite/internal/schedule/LiteJobFacadeTest.java
@@ -227,14 +227,14 @@
     }
 
     @Test(expected = DagRuntimeException.class)
-    public void assertDagStatesCheck() {
+    public void assertCheckDagStates() {
         when(dagService.getDagStates()).thenReturn(DagStates.PAUSE);
-        liteJobFacade.dagStatesCheck();
+        liteJobFacade.checkDagStates();
     }
 
     @Test
-    public void assertDagJobDependenciesCheck() {
-        liteJobFacade.dagJobDependenciesCheck();
+    public void assertCheckDagJobDependencies() {
+        liteJobFacade.checkDagJobDependencies();
         verify(dagService, times(1)).checkJobDependenciesState();
     }
 }