Simplify some methods for easy understanding (#2920)

Co-authored-by: Ngabry.wu <8545796+gabrywu@users.noreply.github.com>

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/DependentUtils.java

@@ -40,10 +40,8 @@ public class DependentUtils {
             case AND:
                 if(dependResultList.contains(DependResult.FAILED)){
                     dependResult = DependResult.FAILED;
-                }else if(dependResultList.contains(DependResult.WAITING)){
+                } if(dependResultList.contains(DependResult.WAITING)){
                     dependResult = DependResult.WAITING;
-                }else{
-                    dependResult = DependResult.SUCCESS;
                 }
                 break;
             case OR:

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/IpUtils.java

@@ -49,12 +49,11 @@ public class IpUtils {
     ipNumbers[2] = ipLong >> 8 & tmp;
     ipNumbers[3] = ipLong & tmp;
 
-    StringBuilder sb = new StringBuilder(16);
-    sb.append(ipNumbers[0]).append(DOT)
-            .append(ipNumbers[1]).append(DOT)
-            .append(ipNumbers[2]).append(DOT)
-            .append(ipNumbers[3]);
-    return sb.toString();
+    String sb = ipNumbers[0] + DOT +
+            ipNumbers[1] + DOT +
+            ipNumbers[2] + DOT +
+            ipNumbers[3];
+    return sb;
   }
 
 }

dolphinscheduler-common/src/main/java/org/apache/dolphinscheduler/common/utils/SchemaUtils.java

@@ -22,7 +22,6 @@ import org.slf4j.LoggerFactory;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
@@ -96,11 +95,11 @@ public class SchemaUtils {
 
 		String[] schemaVersionArr = schemaVersion.split("\\.");
 		String[] versionArr = version.split("\\.");
-		int arrLength = schemaVersionArr.length < versionArr.length ? schemaVersionArr.length : versionArr.length;
+		int arrLength = Math.min(schemaVersionArr.length, versionArr.length);
 		for(int i = 0 ; i < arrLength ; i++) {
-			if(Integer.valueOf(schemaVersionArr[i]) > Integer.valueOf(versionArr[i])) {
+			if(Integer.parseInt(schemaVersionArr[i]) > Integer.parseInt(versionArr[i])) {
 				return true;
-			}else if(Integer.valueOf(schemaVersionArr[i]) < Integer.valueOf(versionArr[i])) {
+			}else if(Integer.parseInt(schemaVersionArr[i]) < Integer.parseInt(versionArr[i])) {
 				return false;
 			}
 		}
@@ -121,9 +120,6 @@ public class SchemaUtils {
 		} catch (FileNotFoundException e) {
 			logger.error(e.getMessage(),e);
 			throw new RuntimeException("Failed to get the product version description file. The file could not be found", e);
-		} catch (IOException e) {
-			logger.error(e.getMessage(),e);
-			throw new RuntimeException("Failed to get product version number description file, failed to read the file", e);
 		}
 		return soft_version;
 	}