Class FeatureFlagsState

A snapshot of the state of all feature flags with regard to a specific user. See calling AllFlagsState(Context, params FlagsStateOption[]).

Inheritance
object
FeatureFlagsState
Implements
Inherited Members
Namespace: LaunchDarkly.Sdk.Server
Assembly: LaunchDarkly.ServerSdk.dll
Syntax
[JsonConverter(typeof(FeatureFlagsStateConverter))]
public class FeatureFlagsState : IJsonSerializable
Remarks

Serializing this object to JSON using System.Text.Json or LdJsonSerialization will produce the appropriate data structure for bootstrapping the LaunchDarkly JavaScript client. Using Newtonsoft.Json will not work correctly without special handling; see LaunchDarkly.Sdk.Json for details.

Properties

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Valid

True if this object contains a valid snapshot of feature flag state, or false if the state could not be computed (for instance, because the client was offline or there was no user).

Declaration
public bool Valid { get; }
Property Value
Type Description
bool

Methods

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Builder(params FlagsStateOption[])

Returns a builder for constructing a new instance of this class. May be useful in testing.

Declaration
public static FeatureFlagsStateBuilder Builder(params FlagsStateOption[] options)
Parameters
Type Name Description
FlagsStateOption[] options

the same options that can be passed to AllFlagsState(Context, params FlagsStateOption[])
Returns
Type Description
FeatureFlagsStateBuilder

a new FeatureFlagsStateBuilder
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Equals(object)

Declaration
public override bool Equals(object other)
Parameters
Type Name Description
object other
Returns
Type Description
bool
Overrides
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GetFlagReason(string)

Returns the evaluation reason of an individual feature flag (as returned by BoolVariation(string, Context, bool), etc.) at the time the state was recorded.

Declaration
public EvaluationReason? GetFlagReason(string key)
Parameters
Type Name Description
string key

the feature flag key
Returns
Type Description
EvaluationReason?

the evaluation reason; null if reasons were not recorded, or if there was no such flag
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GetFlagValueJson(string)

Returns the value of an individual feature flag at the time the state was recorded.

Declaration
public LdValue GetFlagValueJson(string key)
Parameters
Type Name Description
string key

the feature flag key
Returns
Type Description
LdValue

the flag's JSON value; Null if the flag returned the default value, or if there was no such flag
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GetHashCode()

Declaration
public override int GetHashCode()
Returns
Type Description
int
Overrides
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ToValuesJsonMap()

Returns a dictionary of flag keys to flag values.

Declaration
public IReadOnlyDictionary<string, LdValue> ToValuesJsonMap()
Returns
Type Description
IReadOnlyDictionary<string, LdValue>

a dictionary of flag keys to flag values
Remarks

If a flag would have evaluated to the default value, its value will be Null.

Do not use this method if you are passing data to the front end to "bootstrap" the JavaScript client. Instead, serialize the FeatureFlagsState object to JSON using JsonConvert.SerializeObject().

Implements