RecordTypeAccessor.cls

/*  
  RecordTypeAccessor
 
  (c) Appirio, 2013  
  
  See https://gist.github.com/nocrates/5f8748b6ea6cdbba37a6 for test method and example usage
   
*/

public  class RecordTypeAccessor {

    private static map<id,RecordType> recordTypeMap = new map<id,RecordType>([
      SELECT Id, Name, DeveloperName, Description, BusinessProcessId, SobjectType, IsActive 
      FROM recordtype
    ]);
    private static map<string,map<string,RecordType>> recordTypeByNameMap;
    
    static {
        recordTypeByNameMap = new map<string,map<string,RecordType>>();
        
        for ( RecordType rt : recordTypeMap.values() ) {
        	if ( !recordTypeByNameMap.containsKey( rt.SobjectType )) {
                recordTypeByNameMap.put( rt.SobjectType, new map<string,RecordType>() );
        	}
        	recordTypeByNameMap.get(rt.SobjectType).put(rt.name,rt);
        }
    }
    
    public static RecordType getRecordTypeByName(string sobjectType, string pName) {
        if ( recordTypeByNameMap.containsKey(sobjectType) ) {
        	if ( recordTypeByNameMap.get(sobjectType).containsKey(pName)) {
        		return recordTypeByNameMap.get(sobjectType).get(pName);
        	}
        }
        return null;
    }
   
}