com.launchdarkly.sdk.server.migrations

Class MigrationExecution

java.lang.Object

com.launchdarkly.sdk.server.migrations.MigrationExecution

public class MigrationExecution
extends java.lang.Object

This class is used to control the execution mechanism for migrations.

Read operations may be executed in parallel, sequentially in a fixed order, or sequentially in a randomized order.

This class facilitates correct combinations of parallel/serial with random/fixed.

Method Summary

Modifier and Type	Method and Description
MigrationExecutionMode	getMode() Get the current execution mode.
java.util.Optional<MigrationSerialOrder>	getOrder() If the execution mode is MigrationExecutionMode.SERIAL, then this will contain an execution order.
static MigrationExecution	Parallel() Constructs a parallel execution.
static MigrationExecution	Serial(MigrationSerialOrder order) Construct a serial execution with the specified ordering.
java.lang.String	toString() A string representation of the migration execution.

Methods inherited from class java.lang.Object

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

Method Detail

Serial

public static MigrationExecution Serial(@NotNull
                                        MigrationSerialOrder order)

Construct a serial execution with the specified ordering.

Parameters:

order - The serial execution order fixed/random.

Returns:

an execution instance

Parallel

public static MigrationExecution Parallel()

Constructs a parallel execution.

Returns:

an execution instance

getMode

public MigrationExecutionMode getMode()

Get the current execution mode.

Returns:

The execution mode.

getOrder

public java.util.Optional<MigrationSerialOrder> getOrder()

If the execution mode is MigrationExecutionMode.SERIAL, then this will contain an execution order. If the mode is not SERIAL, then this will return an empty optional.

Returns:

The optional execution mode.

toString

public java.lang.String toString()

A string representation of the migration execution. The return value from this function should only be used for logging or human-read identification. It should not be used programmatically and will not follow semver.

Overrides:

toString in class java.lang.Object

Returns:

A string representation of the string.