FailoverMonitor (CDO Model Repository Documentation)

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org.eclipse.emf.cdo.server.net4j
Class FailoverMonitor

java.lang.Object
  org.eclipse.net4j.util.event.Notifier
      org.eclipse.net4j.util.lifecycle.Lifecycle
          org.eclipse.net4j.util.container.Container<FailoverMonitor.AgentProtocol>
              org.eclipse.emf.cdo.server.net4j.FailoverMonitor

All Implemented Interfaces:: IContainer<FailoverMonitor.AgentProtocol>, INotifier, ILifecycle, ILifecycle.DeferrableActivation

public class FailoverMonitor: extends Container<FailoverMonitor.AgentProtocol>

A facility for monitoring a variable set of fail-over participant repositories and electing, as well as promoting, a master repository among them.

Since:: 4.0

Nested Class Summary
`static class`	`FailoverMonitor.AbstractServerProtocolFactory` An abstract base class for the `server-side protocol factories` required by a `fail-over monitor`.
`static class`	`FailoverMonitor.AgentProtocol` The monitor-side implementation of the `fail-over monitor` agent protocol.
`static class`	`FailoverMonitor.ClientProtocol` The monitor-side implementation of the `fail-over monitor` client protocol.
`static class`	`FailoverMonitor.Factory` Creates `fail-over monitor` instances.
`static interface`	`FailoverMonitor.Provider` Provides a `fail-over monitor` for a given named fail-over group.

Nested classes/interfaces inherited from interface org.eclipse.net4j.util.container.IContainer
`IContainer.Modifiable<E>`

Nested classes/interfaces inherited from interface org.eclipse.net4j.util.lifecycle.ILifecycle
`ILifecycle.DeferrableActivation`

Field Summary
`static String`	`PRODUCT_GROUP`
`static String`	`PROTOCOL_NAME`
`static short`	`SIGNAL_PUBLISH_MASTER`

Fields inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle
`USE_LABEL`

Constructor Summary
`FailoverMonitor()`

Method Summary
`void`	`deregisterAgent(FailoverMonitor.AgentProtocol agent)`
`protected void`	`doBeforeActivate()`
`protected FailoverMonitor.AgentProtocol`	`electNewMaster(List<FailoverMonitor.AgentProtocol> agents)`
`FailoverMonitor.AgentProtocol[]`	`getElements()`
`String`	`getGroup()`
`FailoverMonitor.AgentProtocol`	`getMasterAgent()`
`void`	`registerAgent(FailoverMonitor.AgentProtocol agent)`
`void`	`setGroup(String group)`

Methods inherited from class org.eclipse.net4j.util.container.Container
`fireContainerEvent, fireContainerEvent, fireContainerEvent, fireElementAddedEvent, fireElementRemovedEvent, fireElementsAddedEvent, fireElementsRemovedEvent, fireEvent, isEmpty, newContainerEvent, newContainerEvent`

Methods inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle
`activate, checkActive, checkArg, checkArg, checkInactive, checkNull, checkState, checkState, deactivate, deferredActivate, doActivate, doAfterActivate, doBeforeDeactivate, doDeactivate, dump, getLifecycleState, isActive, isDeferredActivation, toString`

Methods inherited from class org.eclipse.net4j.util.event.Notifier
`addListener, fireEvent, fireEvent, firstListenerAdded, getListeners, getNotificationService, hasListeners, lastListenerRemoved, removeListener`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.eclipse.net4j.util.event.INotifier
`addListener, getListeners, hasListeners, removeListener`

Field Detail

PRODUCT_GROUP

public static final String PRODUCT_GROUP

See Also:: Constant Field Values

PROTOCOL_NAME

public static final String PROTOCOL_NAME

See Also:: Constant Field Values

SIGNAL_PUBLISH_MASTER

public static final short SIGNAL_PUBLISH_MASTER

See Also:: Constant Field Values

Constructor Detail

FailoverMonitor

public FailoverMonitor()

Method Detail

getGroup

public String getGroup()

setGroup

public void setGroup(String group)

getElements

public FailoverMonitor.AgentProtocol[] getElements()

getMasterAgent

public FailoverMonitor.AgentProtocol getMasterAgent()

registerAgent

public void registerAgent(FailoverMonitor.AgentProtocol agent)

deregisterAgent

public void deregisterAgent(FailoverMonitor.AgentProtocol agent)

doBeforeActivate

protected void doBeforeActivate()
                         throws Exception

Overrides:: doBeforeActivate in class Lifecycle

Throws:: Exception

electNewMaster

protected FailoverMonitor.AgentProtocol electNewMaster(List<FailoverMonitor.AgentProtocol> agents)