org.neo4j.udc

Class UsageData

java.lang.Object

org.neo4j.kernel.lifecycle.LifecycleAdapter

org.neo4j.udc.UsageData

All Implemented Interfaces:

org.neo4j.kernel.lifecycle.Lifecycle

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

An in-memory storage location for usage metadata. Any component is allowed to publish it's usage date here, and it can be any object, including mutable classes. It is up to the usage data publishing code to choose which items from this repository to publish. This service is meant as a diagnostic and informational tool, notably used by UDC.

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
UsageData(org.neo4j.kernel.impl.util.JobScheduler scheduler)

Method Summary

Modifier and Type	Method and Description
<T> T	get(UsageDataKey<T> key)
<T> void	set(UsageDataKey<T> key, T value)
void	start()
void	stop()

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

UsageData

public UsageData(org.neo4j.kernel.impl.util.JobScheduler scheduler)

Method Detail

set

public <T> void set(UsageDataKey<T> key,
                    T value)

get

public <T> T get(UsageDataKey<T> key)

stop

public void stop()
          throws Throwable

Specified by:

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

Overrides:

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

Throws:

Throwable

start

public void start()
           throws Throwable

Specified by:

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

Overrides:

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

Throws:

Throwable