org.jwall.audit

Interface EventProcessor<E extends Event>

Type Parameters:

E -

All Known Implementing Classes:

AbstractEventProcessor, AuditEventRuleEngine, DefaultRequestHost, DNSLookup, EventRuleEngine, GELFSender, JavaScript, JRubyProcessor, PersistentCollectionProcessor, RemoteAddressResolver, RuleTagProcessor, XForwardedForResolver

public interface EventProcessor<E extends Event>

This interface defines an abstract event processor class which is able to process events for a given generic type class.

In contrast to an EventListener, classes implementing this interface are responsible for any pre-processing of an event.

Author:

Christian Bockermann <chris@jwall.org>

Field Summary

Fields

Modifier and Type	Field and Description
static String	DELETE_FLAG

Method Summary

Modifier and Type	Method and Description
E	processEvent(E event, Map<String,Object> context) This method is called upon event reception.

Field Detail

DELETE_FLAG

static final String DELETE_FLAG

See Also:

Constant Field Values

Method Detail

processEvent

E processEvent(E event,
               Map<String,Object> context)
        throws Exception

This method is called upon event reception. The given map provides a context to communicate data between several event-processors. The implementor of this interface needs to take care that calls to this class my come from different threads, i.e. no state should be stored in the class to diminish the risk of concurrency problems.

Parameters:

event -

context -

Returns:

Throws:

Exception