AssociativeType

java.lang.Object
- ptolemy.data.type.StructuredType
- - ptolemy.data.type.AssociativeType

All Implemented Interfaces:

Type

Direct Known Subclasses:

RecordType, UnionType
```
public abstract class AssociativeType
extends StructuredType
```
This class represents structures that store (key, value) pairs. It prescribes a get() method that retrieves the type of the value associated with a given key.

Since:

Ptolemy II 10.0

Version:

$Id$

Author:

Marten Lohstroh

Pt.AcceptedRating:

Red

Pt.ProposedRating:

Red (marten)

- Field Summary
  - Fields inherited from class ptolemy.data.type.StructuredType
    MAXDEPTHBOUND
  - Fields inherited from interface ptolemy.data.type.Type
    HASH_INVALID
- Constructor Summary
  
  Constructors
  Constructor Description
  
  AssociativeType()
- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  abstract Type get(java.lang.String label)
  Return the type of the specified label.
  - Methods inherited from class ptolemy.data.type.StructuredType
    _compare, _getRepresentative, _greatestLowerBound, _leastUpperBound, add, clone, depth, divide, getTypeHash, initialize, isAbstract, modulo, multiply, one, subtract, updateType, zero
  - Methods inherited from class java.lang.Object
    equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  - Methods inherited from interface ptolemy.data.type.Type
    convert, equals, getTokenClass, isCompatible, isConstant, isInstantiable, isSubstitutionInstance, toString

- Constructor Detail
  - AssociativeType
```
public AssociativeType()
```
- Method Detail
  - get
```
public abstract Type get(java.lang.String label)
```
    Return the type of the specified label. If this type does not contain the specified label, return null.
    
    Parameters:
    
    label - The specified label.
    
    Returns:
    
    a Type.