ServletInfo.java

package org.mapfish.print.servlet;

/**
 * Provides information about the current servlet.
 */
public interface ServletInfo {
    /**
     * Return an id that identifies this server.
     * This information is incorporated into the print request id so that
     * it is possible for load balancers to redirect a request to the same server without having to
     * keep sticky sessions.  Or to find the same server after a session has expired.
     * <p></p>
     * This provides an option for simple clusters to be created without having to have a shared registry
     * for storing the look up when needing to retrieve the results of a print job.
     */
    String getServletId();
}