Mass Delete Records using Apex (Any Object) #inSalesforce

Mass Delete Records using Apex (Any Object) #inSalesforce

global class massBatchDelete Implements Database.Batchable<sObject>{

    String theObjectName;
    global massBatchDelete(String theObjectName) {
        this.theObjectName = theObjectName;
    }
    global Database.queryLocator start(Database.BatchableContext bc) {
        String SOQL = 'SELECT Id FROM ' + theObjectName;
        return Database.getQueryLocator(SOQL);
    }
    global void execute(Database.BatchableContext bc, List <sObject> listedRecords) {
        delete listedRecords;
    }
    global void finish(Database.BatchableContext bc) {
    }
}

    

//In Execute Anonymous Window of Developer Console Try:

/*
 massBatchDelete mdr = new massBatchDelete('Candidate__c');
 Database.executeBatch(mdr);
*/

Related Test Class:

@isTest
private class massBatchDeleteTest {
    static testMethod void testMassBatchDelete() {
        Candidate__c c = new Candidate__c(Name = 'Sample');
        insert c;
        Test.startTest();
        massBatchDelete mdr = new massBatchDelete('Candidate__c');
        Database.executeBatch(mdr);
        Test.stopTest();
    }
}