Package org.apache.tapestry5.ioc.internal.util

# Class Orderer<T>

java.lang.Object
org.apache.tapestry5.ioc.internal.util.Orderer<T>

public class Orderer<T> extends Object
Used to order objects into an "execution" order. Each object must have a unique id. It may specify a list of constraints which identify the ordering of the objects.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `Orderer(org.slf4j.Logger logger)`
  `Orderer(org.slf4j.Logger logger, boolean exceptionWhenDuplicateId)`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `add(String id, T target, String... constraints)`
  Adds an object to be ordered.
  `void`
  `add(Orderable<T> orderable)`
  Adds an object to be ordered.
  `List<T>`
  `getOrdered()`
  `void`
  `override(String id, T target, String... constraints)`
  `void`
  `override(Orderable<T> orderable)`

  ### Methods inherited from class java.lang.Object

  `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- ## Constructor Details

  - ### Orderer

    public Orderer(org.slf4j.Logger logger)

  - ### Orderer

    public Orderer(org.slf4j.Logger logger, boolean exceptionWhenDuplicateId)

- ## Method Details

  - ### add

    public void add(Orderable<T> orderable)
    Adds an object to be ordered.
    Parameters:
      `orderable` -

  - ### override

    public void override(Orderable<T> orderable)

  - ### add

    public void add(String id, T target, String... constraints)
    Adds an object to be ordered.
    Parameters:
      `id` - unique, qualified id for the target
      `target` - the object to be ordered (or null as a placeholder)
      `constraints` - optional, variable constraints
    See Also:
      - `add(Orderable)`

  - ### override

    public void override(String id, T target, String... constraints)

  - ### getOrdered

    public List<T> getOrdered()