Package com.mixpanel.android.mpmetrics

Class MixpanelFlagVariant.Source

java.lang.Object

com.mixpanel.android.mpmetrics.MixpanelFlagVariant.Source

Direct Known Subclasses:

MixpanelFlagVariant.Source.Fallback, MixpanelFlagVariant.Source.Network, MixpanelFlagVariant.Source.Persistence

Enclosing class:

MixpanelFlagVariant

public abstract static class MixpanelFlagVariant.Source
extends Object

Identifies where a served variant came from. MixpanelFlagVariant.Source.Network for a fresh /flags/ response; MixpanelFlagVariant.Source.Persistence for one loaded from the on-disk persistence layer; MixpanelFlagVariant.Source.Fallback for the developer-supplied fallback the SDK returned because no real variant was available.

Variants the SDK returns from MixpanelAPI.Flags.getVariant(java.lang.String, com.mixpanel.android.mpmetrics.MixpanelFlagVariant, com.mixpanel.android.mpmetrics.FlagCompletionCallback<com.mixpanel.android.mpmetrics.MixpanelFlagVariant>) or MixpanelAPI.Flags.getVariantSync(java.lang.String, com.mixpanel.android.mpmetrics.MixpanelFlagVariant) always carry a non-null source. Variants the developer constructs themselves (to pass in as a fallback) have a null source until the SDK stamps them on return.

This is a Java 8-compatible discriminated union (no sealed keyword) so that variant-specific data — namely the persistedAtMillis timestamp on MixpanelFlagVariant.Source.Persistence — is bundled with the variant rather than floating as a separate nullable field on MixpanelFlagVariant. Construct via network() / persistence(long) / fallback().

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	MixpanelFlagVariant.Source.Fallback	Developer-supplied fallback returned by the SDK because no flag was found, the lookup happened before flags were ready, or a fetch failed without a usable persisted blob to fall back to.
static final class	MixpanelFlagVariant.Source.Network	Variant assigned by the most recent successful /flags/ network call.
static final class	MixpanelFlagVariant.Source.Persistence	Variant loaded from the on-disk persistence layer.

Method Summary

Modifier and Type	Method	Description
static MixpanelFlagVariant.Source.Fallback	fallback()	Singleton MixpanelFlagVariant.Source.Fallback instance — every call returns the same one.
static MixpanelFlagVariant.Source.Network	network()	Singleton MixpanelFlagVariant.Source.Network instance — every call returns the same one.
static MixpanelFlagVariant.Source.Persistence	persistence(long persistedAtMillis)	Returns a MixpanelFlagVariant.Source.Persistence source stamped with the given write timestamp.

Methods inherited from class java.lang.Object

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

Method Details

network

@NonNull
public static MixpanelFlagVariant.Source.Network network()

Singleton MixpanelFlagVariant.Source.Network instance — every call returns the same one.

persistence

@NonNull
public static MixpanelFlagVariant.Source.Persistence persistence(long persistedAtMillis)

Returns a MixpanelFlagVariant.Source.Persistence source stamped with the given write timestamp.

Parameters:

persistedAtMillis - absolute timestamp (millis since epoch) at which this variant set was originally written to disk.

fallback

@NonNull
public static MixpanelFlagVariant.Source.Fallback fallback()

Singleton MixpanelFlagVariant.Source.Fallback instance — every call returns the same one.