RecordType Utility Apex Class

I like to group Apex methods by the object to which they apply. I find that this supports troubleshooting of code and ultimately reduces the amount of code in a given Salesforce organization. For example, every Salesforce developer that works in an Enterprise level organization or higher will find that more often than not they need to know the record types for a given object.

Therefore, I've created a Record Type utility class that performs the query against the RecordType object based upon a passed object declaration.

/*
	Created by: Greg Hacic
	Last Update: 24 February 2016 by Greg Hacic
	Questions?: greg@interactiveties.com
*/
public class recordTypeUtil {
	
	//creates a map of all Record Type Names to Ids based upon a passed Object
	public static Map buildMapOfRecordTypes(String passedSobjectType) {
		Map returnMap = new Map(); //the return map variable
		for (RecordType rt : [SELECT Id, Name FROM RecordType WHERE SobjectType = :passedSobjectType]) { //grab the recordtypes for the specified sObject
			returnMap.put(rt.Name, rt.Id); //put the details into our map (Name -> Id)
		}
		return returnMap; //return the map
	}

}

As you can see this simple class allows you to reuse an SOQL statement that you may be using repeatedly. To use in another class simply call the method as follows:

Map opportunityRecordTypes = recordTypeUtil.buildMapOfRecordTypes('Opportunity'); //build the map of Opportunity recordtypes
Id recordTypeId = opportunityRecordTypes.get('RecordType Name'); //grab the 'RecordType Name' RecordType Id

Need to use this logic in a trigger handler? Create a getter method that builds the map upon initialization of the handler which will reduce your SOQL statements and give you access to the information for all the trigger contexts.

/*
	Created by: Greg Hacic
	Last Update: 24 February 2016 by Greg Hacic
	Questions?: greg@interactiveties.com
*/
public class accountTriggerHandler extends TriggerHandler {
	
	private Boolean isOkayToRun;
	private Map<Id, Account> newRecordMap; //map of new records
	private Map<Id, Account> oldRecordMap; //map of old records
	private List<Account> newRecords; //list of new records
	private List<Account> oldRecords; //list of old records
	
	//constructor
	public paymentTriggerHandler() {
		isOkayToRun = triggerUtil.isTriggerOkayToRun('accountTrigger'); //determine whether or not the trigger logic is okay to run
		newRecordMap = (Map<Id, Account>)Trigger.newMap; //cast the map of new records
		newRecords = (List<Account>)Trigger.new;  //cast the list of new records
		oldRecordMap = (Map<Id, Account>)Trigger.oldMap; //cast the map of old records
		oldRecords = (List<Account>)Trigger.old; //cast the list of old records
	}
	
	//override the beforeUpdate trigger context
	public override void beforeUpdate() {
		
		Id clientRecordTypeId = contactRecordTypes.get('Client'); //grab the Client RecordType Id
		
		if (isOkayToRun) { //if it is okay to run the trigger
			for (Account a : newRecords) { //for each new Account record
				if (a.RecordTypeId == clientRecordTypeId) { //if the recordtype is a match
					//do something...
				}
			}
		}
	}
	
	//builds a map Account RecordTypeIds (RecordType.Name -> RecordType.Id)
	public static Map<String, Id> accountRecordTypes {
		//getter constructor
		get {
			Map<String, Id> returnMap = recordTypeUtil.buildMapOfRecordTypes('Account'); //build the map of Account recordtypes
			return returnMap; //return the map
		}
	}

}

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