org.neo4j.kernel.ha.com.master

Class ConversationManager

java.lang.Object

org.neo4j.kernel.lifecycle.LifecycleAdapter

org.neo4j.kernel.ha.com.master.ConversationManager

All Implemented Interfaces:

org.neo4j.kernel.lifecycle.Lifecycle

public class ConversationManager
extends org.neo4j.kernel.lifecycle.LifecycleAdapter

Manages Conversation on master-side in HA. It's expected to have one instance of ConversationManager on master. Used for keeping and monitoring clients Conversation on master side.

Nested Class Summary

Nested classes/interfaces inherited from interface org.neo4j.kernel.lifecycle.Lifecycle

org.neo4j.kernel.lifecycle.Lifecycle.Delegate

Constructor Summary

Constructors

Constructor and Description
ConversationManager(ConversationSPI spi, org.neo4j.kernel.configuration.Config config) Build conversation manager with default values for activity check interval and timeout addition.
ConversationManager(ConversationSPI spi, org.neo4j.kernel.configuration.Config config, int activityCheckIntervalMillis, int lockTimeoutAddition) Build conversation manager

Method Summary

Modifier and Type	Method and Description
Conversation	acquire()
Conversation	acquire(org.neo4j.com.RequestContext context)
void	begin(org.neo4j.com.RequestContext context)
void	end(org.neo4j.com.RequestContext context)
Set<org.neo4j.com.RequestContext>	getActiveContexts()
void	release(org.neo4j.com.RequestContext context)
void	start()
void	stop()
void	stop(org.neo4j.com.RequestContext context) Stop conversation for specified context.

Methods inherited from class org.neo4j.kernel.lifecycle.LifecycleAdapter

init, shutdown

Methods inherited from class java.lang.Object

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

Constructor Detail

ConversationManager

public ConversationManager(ConversationSPI spi,
                           org.neo4j.kernel.configuration.Config config)

Build conversation manager with default values for activity check interval and timeout addition.

Parameters:

spi - - conversation manager spi

config - - ha settings

ConversationManager

public ConversationManager(ConversationSPI spi,
                           org.neo4j.kernel.configuration.Config config,
                           int activityCheckIntervalMillis,
                           int lockTimeoutAddition)

Build conversation manager

Parameters:

spi - - conversation manager spi

config - - ha settings

activityCheckIntervalMillis - - interval between conversations activity checking

lockTimeoutAddition - - addition to read timeout used to build conversation timeout

Method Detail

start

public void start()

Specified by:

start in interface org.neo4j.kernel.lifecycle.Lifecycle

Overrides:

start in class org.neo4j.kernel.lifecycle.LifecycleAdapter

stop

public void stop()

Specified by:

stop in interface org.neo4j.kernel.lifecycle.Lifecycle

Overrides:

stop in class org.neo4j.kernel.lifecycle.LifecycleAdapter

acquire

public Conversation acquire(org.neo4j.com.RequestContext context)
                     throws org.neo4j.kernel.impl.util.collection.NoSuchEntryException,
                            org.neo4j.kernel.impl.util.collection.ConcurrentAccessException

Throws:

org.neo4j.kernel.impl.util.collection.NoSuchEntryException

org.neo4j.kernel.impl.util.collection.ConcurrentAccessException

release

public void release(org.neo4j.com.RequestContext context)

begin

public void begin(org.neo4j.com.RequestContext context)
           throws org.neo4j.kernel.impl.util.collection.ConcurrentAccessException

Throws:

org.neo4j.kernel.impl.util.collection.ConcurrentAccessException

end

public void end(org.neo4j.com.RequestContext context)

getActiveContexts

public Set<org.neo4j.com.RequestContext> getActiveContexts()

stop

public void stop(org.neo4j.com.RequestContext context)

Stop conversation for specified context. Conversation will still hold all already acquired locks, but will release all waiters and it will be impossible to get new locks out of it.

Parameters:

context - - context for which conversation should be stopped

acquire

public Conversation acquire()