com.epam.reportportal.service.launch.lock

Class LaunchIdLockSocket

java.lang.Object

com.epam.reportportal.service.launch.lock.AbstractLaunchIdLock

com.epam.reportportal.service.launch.lock.LaunchIdLockSocket

All Implemented Interfaces:

LaunchIdLock

public class LaunchIdLockSocket
extends AbstractLaunchIdLock
implements LaunchIdLock

A service to perform blocking I/O operations on network sockets to get single launch UUID for multiple clients on a machine. This class uses local networking, therefore applicable in scope of a single hardware machine. You can control port number with ListenerProperty.CLIENT_JOIN_LOCK_PORT property.

Field Summary

Fields

Modifier and Type	Field and Description
static java.nio.charset.Charset	TRANSFER_CHARSET

Fields inherited from class com.epam.reportportal.service.launch.lock.AbstractLaunchIdLock

parameters

Fields inherited from interface com.epam.reportportal.service.LaunchIdLock

MAX_WAIT_TIME_DISCREPANCY

Constructor Summary

Constructors

Constructor and Description
LaunchIdLockSocket(ListenerParameters listenerParameters)

Method Summary

Modifier and Type	Method and Description
void	finishInstanceUuid(java.lang.String instanceUuid) Remove self UUID from sync file, means that a client finished its Launch.
java.util.Collection<java.lang.String>	getLiveInstanceUuids() Return all instance UUIDs which are still running.
java.lang.String	obtainLaunchUuid(java.lang.String uuid) Returns a Launch UUID for many Clients launched on one machine.
void	updateInstanceUuid(java.lang.String instanceUuid) Update self UUID in a lock, means that the Client still executing its Launch.

Methods inherited from class java.lang.Object

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

Field Detail

TRANSFER_CHARSET

public static final java.nio.charset.Charset TRANSFER_CHARSET

Constructor Detail

LaunchIdLockSocket

public LaunchIdLockSocket(ListenerParameters listenerParameters)

Method Detail

obtainLaunchUuid

public java.lang.String obtainLaunchUuid(@Nonnull
                                         java.lang.String uuid)

Returns a Launch UUID for many Clients launched on one machine.

Specified by:

obtainLaunchUuid in interface LaunchIdLock

Parameters:

uuid - a Client instance UUID, which will be written to lock and sync files and, if it the first thread which managed to obtain lock on '.lock' file, returned to every client instance.

Returns:

either a Client instance UUID, either the first UUID which thread managed to place a lock on a '.lock' file.

updateInstanceUuid

public void updateInstanceUuid(@Nonnull
                               java.lang.String instanceUuid)

Description copied from interface: LaunchIdLock

Update self UUID in a lock, means that the Client still executing its Launch.

Specified by:

updateInstanceUuid in interface LaunchIdLock

Parameters:

instanceUuid - instanceUuid a Client instance UUID

finishInstanceUuid

public void finishInstanceUuid(@Nonnull
                               java.lang.String instanceUuid)

Remove self UUID from sync file, means that a client finished its Launch. If this is the last UUID in the sync file, lock and sync files will be removed.

Specified by:

finishInstanceUuid in interface LaunchIdLock

Parameters:

instanceUuid - a Client instance UUID.

getLiveInstanceUuids

@Nonnull
public java.util.Collection<java.lang.String> getLiveInstanceUuids()

Description copied from interface: LaunchIdLock

Return all instance UUIDs which are still running.

Specified by:

getLiveInstanceUuids in interface LaunchIdLock

Returns:

a collection of live instance UUIDs