| org.apache.commons.chain |
|
Package Documentation for org.apache.commons.chain
The fundamental API contracts for the Chain of Responsibilty Pattern as
implemented in this package. See
org.apache.commons.chain.impl for
convenient base implementations of Chain and Context,
and see org.apache.commons.chain.web for
specialized Context implementations suitable for use in web
applications.
|
| Java Source File Name | Type | Comment |
| Catalog.java | Interface | A
Catalog is a collection of named
Command s (or
Chain s) that can be used retrieve the set of commands that
should be performed based on a symbolic identifier. |
| CatalogFactory.java | Class | A
CatalogFactory is a class used to store and retrieve
Catalog s. |
| Chain.java | Interface | A
Chain represents a configured list of
Command s that will be executed in order to perform processing
on a specified
Context . |
| Command.java | Interface | A
Command encapsulates a unit of processing work to be
performed, whose purpose is to examine and/or modify the state of a
transaction that is represented by a
Context . |
| Context.java | Interface | A
Context represents the state information that is
accessed and manipulated by the execution of a
Command or a
Chain . |
| Filter.java | Interface | A
Filter is a specialized
Command that also expects
the
Chain that is executing it to call the
postprocess() method if it called the execute()
method. |