com.graphaware.server.tx

Class LongRunningTransactionFilter

java.lang.Object

com.graphaware.server.tx.LongRunningTransactionFilter

All Implemented Interfaces:

javax.servlet.Filter

public class LongRunningTransactionFilter
extends Object
implements javax.servlet.Filter

A Filter that will resume/suspend LongRunningTransactions, so that GraphAware Modules can participate in them. The transactions have to be started and committed/rolled back from Cypher.

Transaction ID has to be provided as a request header in order for Modules to be able to participate in the transactions. The name of the header must be TX_HEADER ("_GA_TX_ID").

Constructor Summary

Constructors

Constructor and Description
LongRunningTransactionFilter(org.neo4j.server.rest.transactional.TransactionFacade transactionFacade)

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)
void	init(javax.servlet.FilterConfig filterConfig)

Methods inherited from class java.lang.Object

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

Constructor Detail

LongRunningTransactionFilter

public LongRunningTransactionFilter(org.neo4j.server.rest.transactional.TransactionFacade transactionFacade)

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Throws:

javax.servlet.ServletException

doFilter

public void doFilter(javax.servlet.ServletRequest request,
                     javax.servlet.ServletResponse response,
                     javax.servlet.FilterChain chain)
              throws IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter