Class Config

This class represents the main configuration object used by Akka.NET when configuring objects within the system. To put it simply, it's the internal representation of a HOCON (Human-Optimized Config Object Notation) configuration string.

Inheritance

Object

Config

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Namespace: Akka.Configuration

Assembly: Akka.dll

Syntax

public class Config

Constructors

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Config()

Initializes a new instance of the Config class.

Declaration

public Config()

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Config(Config, Config)

Initializes a new instance of the Config class.

Declaration

public Config(Config source, Config fallback)

Parameters

Type	Name	Description
Config	source	The configuration to use as the primary source.
Config	fallback	The configuration to use as a secondary source.

Exceptions

Type	Condition
ArgumentNullException	This exception is thrown if the given `source` is undefined.

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Config(HoconRoot)

Initializes a new instance of the Config class.

Declaration

public Config(HoconRoot root)

Parameters

Type	Name	Description
HoconRoot	root	The root node to base this configuration.

Exceptions

Type	Condition
ArgumentNullException	This exception is thrown if the given `root` value is undefined.

Fields

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Empty

A static "Empty" configuration we can use instead of null in some key areas.

Declaration

public static readonly Config Empty

Field Value

Type	Description
Config

Properties

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Fallback

The configuration used as a secondary source.

Declaration

public Config Fallback { get; }

Property Value

Type	Description
Config

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IsEmpty

Determines if this root node contains any values

Declaration

public virtual bool IsEmpty { get; }

Property Value

Type	Description
Boolean

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Root

The root node of this configuration section

Declaration

public virtual HoconValue Root { get; }

Property Value

Type	Description
HoconValue

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Substitutions

An enumeration of substitutions values

Declaration

public IEnumerable<HoconSubstitution> Substitutions { get; set; }

Property Value

Type	Description
IEnumerable<HoconSubstitution>

Methods

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AsEnumerable()

Retrieves an enumerable key value pair representation of the current configuration.

Declaration

public virtual IEnumerable<KeyValuePair<string, HoconValue>> AsEnumerable()

Returns

Type	Description
IEnumerable<KeyValuePair<String, HoconValue>>	The current configuration represented as an enumerable key value pair.

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Copy(Config)

Generates a deep clone of the current configuration.

Declaration

protected Config Copy(Config fallback = null)

Parameters

Type	Name	Description
Config	fallback

Returns

Type	Description
Config	A deep clone of the current configuration

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GetBoolean(String, Boolean)

Retrieves a boolean value from the specified path in the configuration.

Declaration

public virtual bool GetBoolean(string path, bool default = false)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Boolean	default	The default value to return if the value doesn't exist.

Returns

Type	Description
Boolean	The boolean value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetBooleanList(String)

Retrieves a list of boolean values from the specified path in the configuration.

Declaration

public virtual IList<bool> GetBooleanList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Boolean>	The list of boolean values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetByteList(String)

Retrieves a list of byte values from the specified path in the configuration.

Declaration

public virtual IList<byte> GetByteList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Byte>	The list of byte values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetByteSize(String)

Retrieves a long value, optionally suffixed with a 'b', from the specified path in the configuration.

Declaration

public virtual long? GetByteSize(string path)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.

Returns

Type	Description
Nullable<Int64>	The long value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetByteSize(String, Nullable<Int64>)

Retrieves a long value, optionally suffixed with a 'b', from the specified path in the configuration.

Declaration

public virtual long? GetByteSize(string path, long? def = null)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Nullable<Int64>	def	Default return value if none provided.

Returns

Type	Description
Nullable<Int64>	The long value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetConfig(String)

Retrieves a new configuration from the current configuration with the root node being the supplied path.

Declaration

public virtual Config GetConfig(string path)

Parameters

Type	Name	Description
String	path	The path that contains the configuration to retrieve.

Returns

Type	Description
Config	A new configuration with the root node being the supplied path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetDecimal(String, Decimal)

Retrieves a decimal value from the specified path in the configuration.

Declaration

public virtual decimal GetDecimal(string path, decimal default = 0M)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Decimal	default	The default value to return if the value doesn't exist.

Returns

Type	Description
Decimal	The decimal value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetDecimalList(String)

Retrieves a list of decimal values from the specified path in the configuration.

Declaration

public virtual IList<decimal> GetDecimalList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Decimal>	The list of decimal values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetDouble(String, Double)

Retrieves a double value from the specified path in the configuration.

Declaration

public virtual double GetDouble(string path, double default = 0)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Double	default	The default value to return if the value doesn't exist.

Returns

Type	Description
Double	The double value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetDoubleList(String)

Retrieves a list of double values from the specified path in the configuration.

Declaration

public virtual IList<double> GetDoubleList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Double>	The list of double values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetFloat(String, Single)

Retrieves a float value from the specified path in the configuration.

Declaration

public virtual float GetFloat(string path, float default = 0F)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Single	default	The default value to return if the value doesn't exist.

Returns

Type	Description
Single	The float value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetFloatList(String)

Retrieves a list of float values from the specified path in the configuration.

Declaration

public virtual IList<float> GetFloatList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Single>	The list of float values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetInt(String, Int32)

Retrieves an integer value from the specified path in the configuration.

Declaration

public virtual int GetInt(string path, int default = 0)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Int32	default	The default value to return if the value doesn't exist.

Returns

Type	Description
Int32	The integer value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetIntList(String)

Retrieves a list of int values from the specified path in the configuration.

Declaration

public virtual IList<int> GetIntList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Int32>	The list of int values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetLong(String, Int64)

Retrieves a long value from the specified path in the configuration.

Declaration

public virtual long GetLong(string path, long default = 0L)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Int64	default	The default value to return if the value doesn't exist.

Returns

Type	Description
Int64	The long value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetLongList(String)

Retrieves a list of long values from the specified path in the configuration.

Declaration

public virtual IList<long> GetLongList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<Int64>	The list of long values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetString(String, String)

Retrieves a string value from the specified path in the configuration.

Declaration

public virtual string GetString(string path, string default = null)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
String	default	The default value to return if the value doesn't exist.

Returns

Type	Description
String	The string value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetStringList(String)

Retrieves a list of string values from the specified path in the configuration.

Declaration

public virtual IList<string> GetStringList(string path)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.

Returns

Type	Description
IList<String>	The list of string values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetStringList(String, String[])

Retrieves a list of string values from the specified path in the configuration.

Declaration

public virtual IList<string> GetStringList(string path, string[] defaultPaths)

Parameters

Type	Name	Description
String	path	The path that contains the values to retrieve.
String[]	defaultPaths	Default paths that will be returned to the user.

Returns

Type	Description
IList<String>	The list of string values defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetTimeSpan(String, Nullable<TimeSpan>, Boolean)

Retrieves a TimeSpan value from the specified path in the configuration.

Declaration

public virtual TimeSpan GetTimeSpan(string path, TimeSpan? default = null, bool allowInfinite = true)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.
Nullable<TimeSpan>	default	The default value to return if the value doesn't exist.
Boolean	allowInfinite	`true` if infinite timespans are allowed; otherwise `false`.

Returns

Type	Description
TimeSpan	The TimeSpan value defined in the specified path.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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GetValue(String)

Retrieves a HoconValue from a specific path.

Declaration

public HoconValue GetValue(string path)

Parameters

Type	Name	Description
String	path	The path that contains the value to retrieve.

Returns

Type	Description
HoconValue	The HoconValue found at the location if one exists, otherwise `null`.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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HasPath(String)

Determine if a HOCON configuration element exists at the specified location

Declaration

public virtual bool HasPath(string path)

Parameters

Type	Name	Description
String	path	The location to check for a configuration value.

Returns

Type	Description
Boolean	`true` if a value was found, `false` otherwise.

Exceptions

Type	Condition
InvalidOperationException	This exception is thrown if the current node is undefined.

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ToString()

Converts the current configuration to a string.

Declaration

public override string ToString()

Returns

Type	Description
String	A string containing the current configuration.

Overrides

Object.ToString()

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ToString(Boolean)

Converts the current configuration to a string

Declaration

public string ToString(bool includeFallback)

Parameters

Type	Name	Description
Boolean	includeFallback	if true returns string with current config combined with fallback key-values else only current config key-values

Returns

Type	Description
String	TBD

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WithFallback(Config)

Configure the current configuration with a secondary source.

Declaration

public virtual Config WithFallback(Config fallback)

Parameters

Type	Name	Description
Config	fallback	The configuration to use as a secondary source.

Returns

Type	Description
Config	The current configuration configured with the specified fallback.

Exceptions

Type	Condition
ArgumentException	This exception is thrown if the given `fallback` is a reference to this instance.

Operators

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Addition(Config, String)

Adds the supplied configuration string as a fallback to the supplied configuration.

Declaration

public static Config operator +(Config config, string fallback)

Parameters

Type	Name	Description
Config	config	The configuration used as the source.
String	fallback	The string used as the fallback configuration.

Returns

Type	Description
Config	The supplied configuration configured with the supplied fallback.

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Addition(String, Config)

Adds the supplied configuration as a fallback to the supplied configuration string.

Declaration

public static Config operator +(string configHocon, Config fallbackConfig)

Parameters

Type	Name	Description
String	configHocon	The configuration string used as the source.
Config	fallbackConfig	The configuration used as the fallback.

Returns

Type	Description
Config	A configuration configured with the supplied fallback.

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Implicit(String to Config)

Performs an implicit conversion from String to Config.

Declaration

public static implicit operator Config(string str)

Parameters

Type	Name	Description
String	str	The string that contains a configuration.

Returns

Type	Description
Config	A configuration based on the supplied string.

Extension Methods

PatternMatch.Match(Object)

PatternMatch.Match<T>(Object)

ConfigExtensions.SafeWithFallback(Config, Config)

ConfigExtensions.IsNullOrEmpty(Config)

ObjectExtensions.AsOption<T>(T)

Extensions.AsInstanceOf<T>(Object)

ObjectExtensions.IsDefaultForType<T>(T)