com.subshell.persistence.filter
Class TransactionFilter

java.lang.Object
  com.subshell.persistence.filter.TransactionFilter

All Implemented Interfaces:

Filter

public class TransactionFilter
extends Object
implements Filter

Filter implementation using a TransactionContextRunner to provide a transaction context for use throughout the request.

Constructor Summary

TransactionFilter()

Method Summary

void	destroy()
void	doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
protected TransactionContextRunner	getRunner() Creates and returns a new TransactionContextRunner in which to run the filter's Runnable.
void	init(FilterConfig filterConfig)

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionFilter

public TransactionFilter()

Method Detail

init

public void init(FilterConfig filterConfig)
          throws ServletException

Specified by:

init in interface Filter

Throws:

ServletException

destroy

public void destroy()

Specified by:

destroy in interface Filter

doFilter

public void doFilter(ServletRequest request,
                     ServletResponse response,
                     FilterChain filterChain)
              throws ServletException

Specified by:

doFilter in interface Filter

Throws:

ServletException

getRunner

protected TransactionContextRunner getRunner()

Creates and returns a new TransactionContextRunner in which to run the filter's Runnable. This method is only called once during the filter's init() method.

This method creates a standard SimpleTransactionContextRunner. Subclasses may override this method to use an alternative TransactionContextRunner implementation.