Changed Retry.Multiplier, OnError.Transition, OnError.End to pointer (#49)

* Changed Multiplier to pointer

* Changed Transition & End to pointers

Author: globalflea

model/retry.go

@@ -30,7 +30,7 @@ type Retry struct {
 	// Static value by which the delay increases during each attempt (ISO 8601 time format)
 	Increment string `json:"increment,omitempty"`
 	// Numeric value, if specified the delay between retries is multiplied by this value.
-	Multiplier floatstr.Float32OrString `json:"multiplier,omitempty" validate:"omitempty,min=0"`
+	Multiplier *floatstr.Float32OrString `json:"multiplier,omitempty" validate:"omitempty,min=1"`
 	// Maximum number of retry attempts.
 	MaxAttempts intstr.IntOrString `json:"maxAttempts" validate:"required"`
 	// If float type, maximum amount of random time added or subtracted from the delay between each retry relative to total delay (between 0 and 1). If string type, absolute maximum amount of random time added or subtracted from the delay between each retry (ISO 8601 duration format)

model/workflow.go

@@ -483,9 +483,9 @@ type OnError struct {
 	// ErrorRefs References one or more workflow error definitions. Used if errorRef is not used
 	ErrorRefs []string `json:"errorRefs,omitempty"`
 	// Transition to next state to handle the error. If retryRef is defined, this transition is taken only if retries were unsuccessful.
-	Transition Transition `json:"transition,omitempty"`
+	Transition *Transition `json:"transition,omitempty"`
 	// End workflow execution in case of this error. If retryRef is defined, this ends workflow only if retries were unsuccessful.
-	End End `json:"end,omitempty"`
+	End *End `json:"end,omitempty"`
 }
 
 // OnEvents ...