子批处理继承父批处理的例子

发表于2021年7月5日由济南幸融

这里是父批处理
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global virtual class ParentBatch implements Database.Batchable<SObject> {
 
    private string mystring;
 
public ParentBatch(){
}
 
public ParentBatch(string mystring){
this.mystring = mystring;
}
 
    public  Database.QueryLocator start(Database.BatchableContext BC) {
        System.debug('ParentBatch　start'+this.mystring);
        String query = 'SELECT Id,Name FROM Account';
        return Database.getQueryLocator(query);
    }
    public  void execute(Database.BatchableContext BC , SObject[] records) {
        // Do stuff
    }
    public  void finish(Database.BatchableContext BC) {
        System.debug('ParentBatch　finish');
    }
}

这里是子批处理
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public class ChildA  extends ParentBatch  {
 
    public ChildA(string mystring){
        super(mystring);
    }
}
 
public class ChildB  extends ParentBatch  {
 
    public ChildB(string mystring){
        super(mystring);
    }
    
}
 
public class ChildC extends ParentBatch {
    public ChildC(){
        super();
    }
}

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