org.ops4j.pax.radman.service.event.repeater
Interface EventQueue<E>

All Superinterfaces:

java.util.Collection<E>, java.lang.Iterable<E>, java.util.Queue<E>

All Known Implementing Classes:

EventQueueImpl

public interface EventQueue<E>
extends java.util.Queue<E>

Queue that is a sink for all OSGi Events. Depending on which side of the divide it is on, its role will differ.

• On the managed hosts, it buffers the events while a Broadcaster will retransmit it back to a remote Gateway.
• On gateways, it will be a sink for events received by the Broadcasters, before they are persisted to the database.

Since:

0.1.0

Author:

Gavin Bong

Field Summary

static java.lang.String	ROLE OSGi service property to denote where this queue resides.
static java.lang.String	ROLE_GATEWAY Represents a value for the ROLE service property.
static java.lang.String	ROLE_HOST Represents a value for the ROLE service property.

Method Summary

Methods inherited from interface java.util.Queue

element, offer, peek, poll, remove

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, size, toArray, toArray

Field Detail

ROLE

static final java.lang.String ROLE

OSGi service property to denote where this queue resides.

See Also:

Constant Field Values

ROLE_GATEWAY

static final java.lang.String ROLE_GATEWAY

Represents a value for the ROLE service property. Implies that the EventQueue will be a container of EventMessages.

See Also:

Constant Field Values

ROLE_HOST

static final java.lang.String ROLE_HOST

Represents a value for the ROLE service property. Implies that the EventQueue will be a container of Events.

See Also:

Constant Field Values