ISequenceType (Metaschema Core API 1.0.0-M1 API)

```
public interface ISequenceType
```

Field Summary

Fields
Modifier and Type Field Description

static ISequenceType EMPTY

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Occurrence`	`getOccurrence()`	Get the occurrence of the sequence.
`Class<? extends IItem>`	`getType()`	Get the type of the sequence.
`boolean`	`isEmpty()`	Determine if the sequence is empty (if it holds any data) or not.
`String`	`toSignature()`	Get the signature of the function as a string.

- Field Detail
  - EMPTY
```
@NonNull
static final ISequenceType EMPTY
```
- Method Detail
  - isEmpty
```
boolean isEmpty()
```
    Determine if the sequence is empty (if it holds any data) or not.
    
    Returns:
    
    true if the sequence is empty or false otherwise
  - getType
```
Class<? extends IItem> getType()
```
    Get the type of the sequence.
    
    Returns:
    
    the type of the sequence or null if the sequence is empty
  - getOccurrence
```
Occurrence getOccurrence()
```
    Get the occurrence of the sequence.
    
    Returns:
    
    the occurrence of the sequence or null if the sequence is empty
  - toSignature
```
String toSignature()
```
    Get the signature of the function as a string.
    
    Returns:
    
    the signature