[jboss-dev-forums] [Design of POJO Server] - Relative order of deployers to other deployers

[scott.stark@jboss.org]

A common usecase is that a given deployer want to be relative to another deployer as it operates on the the metadata going into or coming out of the other deployer. To do this in a deployers getRelativeOrder method requires stepping outside of the deployer spis as the MainDeployer has no registry of deployers by name, and we don't have a notion of specifying that a deployer's relativeOrder is relative to another deployer.

One way would be to expand the OrderedDeployer interface:

  | public interface OrderedDeployer
  | {
  |    /** The unique name of the deployer */
  |    public String getName();
  |    /** The name of the deployer this deployer is relative to. A null value means the
  |    relativeOrder is an global value. Otherwise, relativeOrder is translated into a global
  |    order by looking up the relativeOrder of the indicated deployer. 
  |    */
  |    public String getRelativeToName();
  | 
  |    /**
  |     * Get the relative order
  |     * 
  |     * @return the relative order
  |     */
  |    int getRelativeOrder();
  |    /**
  |     * Set the deployer relative order.
  |     * @param order - the order of the deployer in a deployer chain.
  |     */
  |    public void setRelativeOrder(int order);
  | ...
  | 



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