2

I'm trying to work with and understand maps. I have the following map and I don't know how to retrieve one of the results from it, can some one explain what I'm doing wrong?

Map<String, RecordType >RecTypeList = new map<String, RecordType>([select Name, id from RecordType
                         where sObjecttype = 'Service_call_Task__c' 
                         AND  DeveloperName IN ('Service','Alarm')]) ;
system.debug(RecTypeList);
system.debug(RecTypeList.get('Alarm'));

The first debug line returns the id of the recordtype and then the results of the SOQL Query

{0124E00000010OaQAI=RecordType:{Name=Service, Id=0124E00000010OaQAI}, 0124E00000010P9QAI=RecordType:{Name=Alarm, Id=0124E00000010P9QAI}}

I was expecting something like Alarm = 0124E00000010P9QAI

The second debug line returns a null result.

I've tried to change the map from

<String, RecordType> to <String, Id >

but i get an error:

Invalid initializer type List found for Map: expected a Map with the same key and value types, or a valid SObject List

  • Specifically regarding record types, consider a describe call: Id alarmRecordTypeId = Service_Call_Task__c.SObjectType.getDescribe().getRecordTypeInfosByName().get('Alarm').getRecordTypeId(); This gives you the answer you want without the SOQL hit (there's a limit of 100 per transaction). – sfdcfox Sep 7 '17 at 23:52
3

Here is the approach:

Map<Id, RecordType> RecTypeMap = new map<Id, RecordType>([SELECT id, Name  from RecordType
                                                     where sObjecttype = 'Service_call_Task__c' 
                                                     AND  DeveloperName IN ('Service','Alarm')]) ;
for(Id recId:RecTypeMap.keySet())
{
    RecordType rdObject = RecTypeMap.get(recId);
    String recName = rdObject.Name;
}

Ideally, to retrieve the RecordType information you do not need to perform separate SOQL query. You can do that by using Schema class.

Schema.DescribeSObjectResult R = Service_call_Task__c.SObjectType.getDescribe();
List<Schema.RecordTypeInfo> lstRT = R.getRecordTypeInfos();
for(Schema.RecordTypeInfo rt:lstRT)
{
    System.debug('RecordTypeName=' + rt.getName());
    if(rt.getName().contains('Service') || rt.getName().contains('Alarm'))
    {
         System.debug('RecordTypeId=' + rt.getRecordTypeId());
    }
}
0

when you pass SOQL into constructor of a Map, Id of records are keys. In order to retrieve value from Map use record Id

System.debug(RecTypeList.get('0124E00000010OaQAI'));

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.