HttpCallOut from a batch
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global class BatchName implements Database.Batchable<sObject>,<strong>Database.AllowsCallouts</strong> { public String uri; public String requestUri; public BatchName(String requestUri){ requestUri = requestUri; } global Database.QueryLocator start(Database.BatchableContext BC){ String query = 'Your query goes here'; return Database.getQueryLocator(query); } global void execute(Database.BatchableContext BC, List<YourObject> scope){ /* Call Your Http CallOut Service Class */ MyServiceClass srv = new MyServiceClass(this.requestUri); Map<String, Object> jsonMap= srv.YourMethod(); for (YourObject obj : scope){ obj.FieldName = String.valueOf(jsonMap.get('keyName')); } update scope; } global void finish(Database.BatchableContext BC){ } } |
Remember to mention Allowcallouts=true on batch context then you can do callout in batch job
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