= Category _(enum)_
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Categorises each exception that has been recognised, as per _Recognition#getCategory()_ .

== API

[source,java]
.Category.java
----
enum Category {
  CONSTRAINT_VIOLATION     // <.>
  NOT_FOUND     // <.>
  CONCURRENCY     // <.>
  RETRYABLE     // <.>
  CLIENT_ERROR     // <.>
  SERVER_ERROR     // <.>
  OTHER     // <.>
}
----

<.> xref:#CONSTRAINT_VIOLATION[CONSTRAINT_VIOLATION]
+
--
A violation of some declarative constraint (eg uniqueness or referential integrity) was detected.
--
<.> xref:#NOT_FOUND[NOT_FOUND]
+
--
The object to be acted upon cannot be found (404)
--
<.> xref:#CONCURRENCY[CONCURRENCY]
+
--
A concurrency exception, in other words some other user has changed this object.
--
<.> xref:#RETRYABLE[RETRYABLE]
+
--
A previously failed operation might be able to succeed when the operation is retried. (eg. a query timeout or a temporary failure)
--
<.> xref:#CLIENT_ERROR[CLIENT_ERROR]
+
--
Recognized, but for some other reason... 40x error
--
<.> xref:#SERVER_ERROR[SERVER_ERROR]
+
--
50x error
--
<.> xref:#OTHER[OTHER]
+
--
Recognized, but uncategorized (typically: a recognizer of the original ExceptionRecognizer API).
--

== Members

[#CONSTRAINT_VIOLATION]
=== CONSTRAINT_VIOLATION

A violation of some declarative constraint (eg uniqueness or referential integrity) was detected.

[#NOT_FOUND]
=== NOT_FOUND

The object to be acted upon cannot be found (404)

[#CONCURRENCY]
=== CONCURRENCY

A concurrency exception, in other words some other user has changed this object.

[#RETRYABLE]
=== RETRYABLE

A previously failed operation might be able to succeed when the operation is retried. (eg. a query timeout or a temporary failure)

[#CLIENT_ERROR]
=== CLIENT_ERROR

Recognized, but for some other reason... 40x error

[#SERVER_ERROR]
=== SERVER_ERROR

50x error

[#OTHER]
=== OTHER

Recognized, but uncategorized (typically: a recognizer of the original ExceptionRecognizer API).
