DuplicateRule class

Attempt to register a duplicate rule in a pipeline.

A rule already exists in the pipeline for the same HTTP method and path.

This is treated as an error, because it usually a sign of a coding error.

If there are duplicate rules, the first one will match the request and the subsequent ones will normally never get used. The only situation where duplicate rules are useful is if the earlier rule(s) deliberately returned null, so the rule matching process continues and tries to match the request to subsequent rules. That is, the application deliberately wants a single request to be processed by multiple request handlers. This rare situation can be implemented by putting subsequent rules into different pipelines. There is no restriction on duplicate rules if they appear in different pipelines. The restriction is only on duplicate rules in the same pipeline.

Inheritance

• Object
• WoomeraException
• DuplicateRule

Implementers

• DuplicateRuleWithExistingHandler

Constructors

DuplicateRule(String method, Pattern pattern, RequestHandler newHandler, RequestHandler existingHandler)

Constructor

Properties

existingHandler → RequestHandler

The request handler that has already been registered in the pipeline.

final

hashCode → int

The hash code for this object.

no setter, inherited

method → String

HTTP method

final

newHandler → RequestHandler

The new request handler being registered.

final

pattern → Pattern

Path

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited