remove AbstractTask.getCurTaskParamsClass()and replace with TaskParametersUtils.getParameters() (#4262)

* remove getCurTaskParamsClass() in AbstractTask.java and replace it with TaskParametersUtils.getParameters()

* remove unused imports in AbstractTask.java

* reformat

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/worker/task/AbstractTask.java

@@ -16,6 +16,8 @@
  */
 package org.apache.dolphinscheduler.server.worker.task;
 
+import static ch.qos.logback.classic.ClassicConstants.FINALIZE_SESSION_MARKER;
+
 import org.apache.dolphinscheduler.common.Constants;
 import org.apache.dolphinscheduler.common.enums.CommandType;
 import org.apache.dolphinscheduler.common.enums.ExecutionStatus;
@@ -23,27 +25,17 @@ import org.apache.dolphinscheduler.common.enums.TaskRecordStatus;
 import org.apache.dolphinscheduler.common.enums.TaskType;
 import org.apache.dolphinscheduler.common.process.Property;
 import org.apache.dolphinscheduler.common.task.AbstractParameters;
-import org.apache.dolphinscheduler.common.task.conditions.ConditionsParameters;
-import org.apache.dolphinscheduler.common.task.datax.DataxParameters;
-import org.apache.dolphinscheduler.common.task.flink.FlinkParameters;
-import org.apache.dolphinscheduler.common.task.mr.MapreduceParameters;
-import org.apache.dolphinscheduler.common.task.procedure.ProcedureParameters;
-import org.apache.dolphinscheduler.common.task.python.PythonParameters;
-import org.apache.dolphinscheduler.common.task.shell.ShellParameters;
-import org.apache.dolphinscheduler.common.task.spark.SparkParameters;
-import org.apache.dolphinscheduler.common.task.sql.SqlParameters;
-import org.apache.dolphinscheduler.common.task.sqoop.SqoopParameters;
-import org.apache.dolphinscheduler.common.utils.JSONUtils;
+import org.apache.dolphinscheduler.common.utils.TaskParametersUtils;
 import org.apache.dolphinscheduler.dao.TaskRecordDao;
 import org.apache.dolphinscheduler.server.entity.TaskExecutionContext;
 import org.apache.dolphinscheduler.server.utils.ParamUtils;
+
 import org.apache.commons.lang.StringUtils;
-import org.slf4j.Logger;
 
 import java.util.List;
 import java.util.Map;
 
-import static ch.qos.logback.classic.ClassicConstants.FINALIZE_SESSION_MARKER;
+import org.slf4j.Logger;
 
 /**
  * executive task
@@ -89,6 +81,7 @@ public abstract class AbstractTask {
 
     /**
      * constructor
+     *
      * @param taskExecutionContext taskExecutionContext
      * @param logger logger
      */
@@ -99,6 +92,7 @@ public abstract class AbstractTask {
 
     /**
      * init task
+     *
      * @throws Exception exception
      */
     public void init() throws Exception {
@@ -106,6 +100,7 @@ public abstract class AbstractTask {
 
     /**
      * task handle
+     *
      * @throws Exception exception
      */
     public abstract void handle() throws Exception;
@@ -113,6 +108,7 @@ public abstract class AbstractTask {
 
     /**
      * cancel application
+     *
      * @param status status
      * @throws Exception exception
      */
@@ -122,6 +118,7 @@ public abstract class AbstractTask {
 
     /**
      * log handle
+     *
      * @param logs log list
      */
     public void logHandle(List<String> logs) {
@@ -136,12 +133,14 @@ public abstract class AbstractTask {
     public void setVarPool(String varPool) {
         this.varPool = varPool;
     }
+
     public String getVarPool() {
         return varPool;
     }
 
     /**
      * get exit status code
+     *
      * @return exit status code
      */
     public int getExitStatusCode() {
@@ -170,12 +169,12 @@ public abstract class AbstractTask {
 
     /**
      * get task parameters
+     *
      * @return AbstractParameters
      */
     public abstract AbstractParameters getParameters();
 
 
-
     /**
      * result processing
      */
@@ -184,7 +183,7 @@ public abstract class AbstractTask {
             // task recor flat : if true , start up qianfan
             if (TaskRecordDao.getTaskRecordFlag()
                     && TaskType.typeIsNormalTask(taskExecutionContext.getTaskType())) {
-                AbstractParameters params = (AbstractParameters) JSONUtils.parseObject(taskExecutionContext.getTaskParams(), getCurTaskParamsClass());
+                AbstractParameters params = TaskParametersUtils.getParameters(taskExecutionContext.getTaskType(), taskExecutionContext.getTaskParams());
 
                 // replace placeholder
                 Map<String, Property> paramsMap = ParamUtils.convert(ParamUtils.getUserDefParamsMap(taskExecutionContext.getDefinedParams()),
@@ -213,56 +212,9 @@ public abstract class AbstractTask {
     }
 
 
-
-
-    /**
-     * get current task parameter class
-     * @return Task Params Class
-     */
-    private Class getCurTaskParamsClass(){
-        Class paramsClass = null;
-        // get task type
-        TaskType taskType = TaskType.valueOf(taskExecutionContext.getTaskType());
-        switch (taskType){
-            case SHELL:
-                paramsClass = ShellParameters.class;
-                break;
-            case SQL:
-                paramsClass = SqlParameters.class;
-                break;
-            case PROCEDURE:
-                paramsClass = ProcedureParameters.class;
-                break;
-            case MR:
-                paramsClass = MapreduceParameters.class;
-                break;
-            case SPARK:
-                paramsClass = SparkParameters.class;
-                break;
-            case FLINK:
-                paramsClass = FlinkParameters.class;
-                break;
-            case PYTHON:
-                paramsClass = PythonParameters.class;
-                break;
-            case DATAX:
-                paramsClass = DataxParameters.class;
-                break;
-            case SQOOP:
-                paramsClass = SqoopParameters.class;
-                break;
-            case CONDITIONS:
-                paramsClass = ConditionsParameters.class;
-                break;
-            default:
-                logger.error("not support this task type: {}", taskType);
-                throw new IllegalArgumentException("not support this task type");
-        }
-        return paramsClass;
-    }
-
     /**
      * get exit status according to exitCode
+     *
      * @return exit status
      */
     public ExecutionStatus getExitStatus() {