FailoverMonitor (CDO Model Repository Documentation)

java.lang.Object
- org.eclipse.net4j.util.event.Notifier
- - org.eclipse.net4j.util.lifecycle.Lifecycle
  - - org.eclipse.net4j.util.lifecycle.ShareableLifecycle
    - - 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

Nested Classes
Modifier and Type	Class and Description
`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

Fields
Modifier and Type Field and Description

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

Fields
Modifier and Type	Field and Description
`static String`	`PRODUCT_GROUP`
`static String`	`PROTOCOL_NAME`
`static short`	`SIGNAL_PUBLISH_MASTER`

Constructor Summary

Constructors
Constructor and Description

FailoverMonitor()

Constructors
Constructor and Description
`FailoverMonitor()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`deregisterAgent(FailoverMonitor.AgentProtocol agent)`
`protected void`	`doBeforeActivate()`
`protected FailoverMonitor.AgentProtocol`	`electNewMaster(List<FailoverMonitor.AgentProtocol> agents)`
`FailoverMonitor.AgentProtocol[]`	`getElements()`
`String`	`getGroup()`
`FailoverMonitor.AgentProtocol`	`getMasterAgent()`
`boolean`	`isEmpty()`
`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, 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, fireThrowable, 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)
```

isEmpty
```
public boolean isEmpty()
```
Specified by:

isEmpty in interface IContainer<FailoverMonitor.AgentProtocol>

Overrides:

isEmpty in class Container<FailoverMonitor.AgentProtocol>

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)

Class FailoverMonitor

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.net4j.util.container.IContainer

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

Field Summary

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

Constructor Summary

Method Summary

Methods inherited from class org.eclipse.net4j.util.container.Container

Methods inherited from class org.eclipse.net4j.util.lifecycle.Lifecycle

Methods inherited from class org.eclipse.net4j.util.event.Notifier

Methods inherited from class java.lang.Object

Methods inherited from interface org.eclipse.net4j.util.event.INotifier

Field Detail

PRODUCT_GROUP

PROTOCOL_NAME

SIGNAL_PUBLISH_MASTER

Constructor Detail

FailoverMonitor

Method Detail

getGroup

setGroup

isEmpty

getElements

getMasterAgent

registerAgent

deregisterAgent

doBeforeActivate

electNewMaster