## org.opengis.metadata
Class Datatype

    Object
      CodeList<Datatype>
          Datatype

All Implemented Interfaces:
  Serializable, Comparable<Datatype>

    @UML(identifier="MD_DatatypeCode",
         specification=ISO_19115)
    public final class Datatype

extends CodeList<Datatype>

Datatype of element or entity.

Since:
  GeoAPI 2.0
See Also:
  Serialized Form

Field Summary
`static Datatype` `ABSTRACT_CLASS` Class that cannot be directly instantiated.
`static Datatype` `AGGREGATE_CLASS` Class that is composed of classes it is connected to by an aggregate relationship.
`static Datatype` `ASSOCIATION` Semantic relationship between two classes that involves connections among their instances.
`static Datatype` `CHARACTER_STRING` Free text field.
`static Datatype` `CLASS` Descriptor of a set of objects that share the same attributes, operations, methods, relationships, and behavior.
`static Datatype` `CODE_LIST` Flexible enumeration useful for expressing a long list of values, can be extended.
`static Datatype` `CODE_LIST_ELEMENT` Permissible value for a codelist or enumeration.
`static Datatype` `DATATYPE_CLASS` Class with few or no operations whose primary purpose is to hold the abstract state of another class for transmittal, storage, encoding or persistent storage.
`static Datatype` `ENUMERATION` Data type whose instances form a list of named literal values, not extendable.
`static Datatype` `INTEGER` Numerical field.
`static Datatype` `INTERFACE_CLASS` Named set of operations that characterize the behavior of an element.
`static Datatype` `META_CLASS` Class whose instances are classes.
`static Datatype` `SPECIFIED_CLASS` Subclass that may be substituted for its superclass.
`static Datatype` `TYPE_CLASS` Class used for specification of a domain of instances (objects), together with the operations applicable to the objects.
`static Datatype` `UNION_CLASS` Class describing a selection of one of the specified types.

Method Summary
`CodeList[]` `family()` Returns the list of enumerations of the same kind than this enum.
`static Datatype` `valueOf(String code)` Returns the Datatype that matches the given string, or returns a new one if none match it.
`static Datatype[]` `values()` Returns the list of `Datatype`s.

Methods inherited from class CodeList
`compareTo, name, ordinal, readResolve, toString`

Methods inherited from class Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### CLASS

    @UML(identifier="class",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype CLASS

  Descriptor of a set of objects that share the same attributes, operations, methods, relationships, and behavior.

### CODE_LIST

    @UML(identifier="codelist",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype CODE_LIST

  Flexible enumeration useful for expressing a long list of values, can be extended.

### ENUMERATION

    @UML(identifier="enumeration",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype ENUMERATION

  Data type whose instances form a list of named literal values, not extendable.

### CODE_LIST_ELEMENT

    @UML(identifier="codelistElement",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype CODE_LIST_ELEMENT

  Permissible value for a codelist or enumeration.

### ABSTRACT_CLASS

    @UML(identifier="abstractClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype ABSTRACT_CLASS

  Class that cannot be directly instantiated.

### AGGREGATE_CLASS

    @UML(identifier="aggregateClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype AGGREGATE_CLASS

  Class that is composed of classes it is connected to by an aggregate relationship.

### SPECIFIED_CLASS

    @UML(identifier="specifiedClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype SPECIFIED_CLASS

  Subclass that may be substituted for its superclass.

### DATATYPE_CLASS

    @UML(identifier="datatypeClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype DATATYPE_CLASS

  Class with few or no operations whose primary purpose is to hold the abstract state of another class for transmittal, storage, encoding or persistent storage.

### INTERFACE_CLASS

    @UML(identifier="interfaceClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype INTERFACE_CLASS

  Named set of operations that characterize the behavior of an element.

### UNION_CLASS

    @UML(identifier="unionClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype UNION_CLASS

  Class describing a selection of one of the specified types.

### META_CLASS

    @UML(identifier="metaclass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype META_CLASS

  Class whose instances are classes.

### TYPE_CLASS

    @UML(identifier="typeClass",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype TYPE_CLASS

  Class used for specification of a domain of instances (objects), together with the operations applicable to the objects. A type may have attributes and associations.

### CHARACTER_STRING

    @UML(identifier="characterString",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype CHARACTER_STRING

  Free text field.

### INTEGER

    @UML(identifier="integer",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype INTEGER

  Numerical field.

### ASSOCIATION

    @UML(identifier="association",
         obligation=CONDITIONAL,
         specification=ISO_19115)
    public static final Datatype ASSOCIATION

  Semantic relationship between two classes that involves connections among their instances.

Method Detail

### values

    public static Datatype[] values()

  Returns the list of `Datatype`s.

### family

    public CodeList[] family()

  Returns the list of enumerations of the same kind than this enum.

  Specified by:
    `family` in class `CodeList<Datatype>`

### valueOf

    public static Datatype valueOf(String code)

  Returns the Datatype that matches the given string, or returns a new one if none match it.

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