Module org.neo4j.driver

Package org.neo4j.driver.internal.metrics

Enum Class DevNullMetricsListener

java.lang.Object

java.lang.Enum<DevNullMetricsListener>

org.neo4j.driver.internal.metrics.DevNullMetricsListener

All Implemented Interfaces:

Serializable, Comparable<DevNullMetricsListener>, Constable, MetricsListener

public enum DevNullMetricsListener
extends Enum<DevNullMetricsListener>
implements MetricsListener

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
INSTANCE

Method Summary

Modifier and Type	Method	Description
void	afterAcquiredOrCreated(String poolId, ListenerEvent<?> acquireEvent)	After acquiring or creating a new netty channel from pool successfully.
void	afterAcquiringOrCreating(String poolId)	After acquiring or creating a new netty channel from pool regardless it is successful or not.
void	afterClosed(String poolId)	After a netty channel is closed successfully.
void	afterConnectionCreated(String poolId, ListenerEvent<?> inUseEvent)	After acquiring or creating a new netty channel from pool successfully.
void	afterConnectionReleased(String poolId, ListenerEvent<?> inUseEvent)	After releasing a netty channel back to pool successfully.
void	afterCreated(String poolId, ListenerEvent<?> creatingEvent)	After a netty channel is created successfully.
void	afterFailedToCreate(String poolId)	After a netty channel is created with a failure.
void	afterTimedOutToAcquireOrCreate(String poolId)	After we failed to acquire a connection from pool within maximum connection acquisition timeout set by Config.ConfigBuilder.withConnectionAcquisitionTimeout(long, TimeUnit).
void	beforeAcquiringOrCreating(String poolId, ListenerEvent<?> acquireEvent)	Before acquiring or creating a new netty channel from pool.
void	beforeCreating(String poolId, ListenerEvent<?> creatingEvent)	Before creating a netty channel.
ListenerEvent<?>	createListenerEvent()
void	registerPoolMetrics(String poolId, ServerAddress serverAddress, IntSupplier inUseSupplier, IntSupplier idleSupplier)
void	removePoolMetrics(String poolId)
String	toString()
static DevNullMetricsListener	valueOf(String name)	Returns the enum constant of this class with the specified name.
static DevNullMetricsListener[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

INSTANCE

public static final DevNullMetricsListener INSTANCE

Method Details

values

public static DevNullMetricsListener[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static DevNullMetricsListener valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null

beforeCreating

public void beforeCreating(String poolId,
 ListenerEvent<?> creatingEvent)

Description copied from interface: MetricsListener

Before creating a netty channel.

Specified by:

beforeCreating in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

creatingEvent - a connection listener event registered when a connection is creating.

afterCreated

public void afterCreated(String poolId,
 ListenerEvent<?> creatingEvent)

Description copied from interface: MetricsListener

After a netty channel is created successfully.

Specified by:

afterCreated in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

afterFailedToCreate

public void afterFailedToCreate(String poolId)

Description copied from interface: MetricsListener

After a netty channel is created with a failure.

Specified by:

afterFailedToCreate in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

afterClosed

public void afterClosed(String poolId)

Description copied from interface: MetricsListener

After a netty channel is closed successfully.

Specified by:

afterClosed in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

beforeAcquiringOrCreating

public void beforeAcquiringOrCreating(String poolId,
 ListenerEvent<?> acquireEvent)

Description copied from interface: MetricsListener

Before acquiring or creating a new netty channel from pool.

Specified by:

beforeAcquiringOrCreating in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

acquireEvent - a pool listener event registered in pool for this acquire event.

afterAcquiringOrCreating

public void afterAcquiringOrCreating(String poolId)

Description copied from interface: MetricsListener

After acquiring or creating a new netty channel from pool regardless it is successful or not.

Specified by:

afterAcquiringOrCreating in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

afterAcquiredOrCreated

public void afterAcquiredOrCreated(String poolId,
 ListenerEvent<?> acquireEvent)

Description copied from interface: MetricsListener

After acquiring or creating a new netty channel from pool successfully.

Specified by:

afterAcquiredOrCreated in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

acquireEvent - a pool listener event registered in pool for this acquire event.

afterTimedOutToAcquireOrCreate

public void afterTimedOutToAcquireOrCreate(String poolId)

Description copied from interface: MetricsListener

After we failed to acquire a connection from pool within maximum connection acquisition timeout set by Config.ConfigBuilder.withConnectionAcquisitionTimeout(long, TimeUnit).

Specified by:

afterTimedOutToAcquireOrCreate in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

afterConnectionCreated

public void afterConnectionCreated(String poolId,
 ListenerEvent<?> inUseEvent)

Description copied from interface: MetricsListener

After acquiring or creating a new netty channel from pool successfully.

Specified by:

afterConnectionCreated in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

inUseEvent - a connection listener event fired from the newly created connection.

afterConnectionReleased

public void afterConnectionReleased(String poolId,
 ListenerEvent<?> inUseEvent)

Description copied from interface: MetricsListener

After releasing a netty channel back to pool successfully.

Specified by:

afterConnectionReleased in interface MetricsListener

Parameters:

poolId - the id of the pool where the netty channel lives.

inUseEvent - a connection listener event fired from the connection being released.

createListenerEvent

public ListenerEvent<?> createListenerEvent()

Specified by:

createListenerEvent in interface MetricsListener

registerPoolMetrics

public void registerPoolMetrics(String poolId,
 ServerAddress serverAddress,
 IntSupplier inUseSupplier,
 IntSupplier idleSupplier)

Specified by:

registerPoolMetrics in interface MetricsListener

removePoolMetrics

public void removePoolMetrics(String poolId)

Specified by:

removePoolMetrics in interface MetricsListener

toString

public String toString()

Overrides:

toString in class Enum<DevNullMetricsListener>