/// <summary>
/// Returns <c>true</c> if there is a value set with the given key, otherwise <c>false</c>.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <returns><c>true</c> if there is a value set with the given key, otherwise <c>false</c></returns>
public virtual bool Has <T>(ConfigurationKey <T> key)
{
if (key is null)
{
throw new ArgumentNullException(nameof(key), "key cannot be null!"); // LUCENENET specific - changed from IllegalArgumentException to ArgumentNullException (.NET convention)
}
return(this.configMap.ContainsKey(key));
}
/// <summary>
/// Returns <c>true</c> if there is a value set with the given key, otherwise <c>false</c>.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <returns><c>true</c> if there is a value set with the given key, otherwise <c>false</c></returns>
public virtual bool Has <T>(ConfigurationKey <T> key)
{
if (key == null)
{
throw new ArgumentException("key cannot be null!");
}
return(this.configMap.ContainsKey(key));
}
/// <summary>
/// Unsets the given key and its value.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key</param>
/// <returns><c>true</c> if the key and value was set and removed, otherwise <c>false</c></returns>
public virtual bool Unset <T>(ConfigurationKey <T> key)
{
if (key == null)
{
throw new ArgumentException("key cannot be null!");
}
return(this.configMap.Remove(key));
}
/// <summary>
/// Returns the value held by the given key.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <returns>the value held by the given key</returns>
public virtual T Get <T>(ConfigurationKey <T> key)
{
if (key == null)
{
throw new ArgumentException("key cannot be null!");
}
this.configMap.TryGetValue(key, out object result);
return(result == null ? default : (T)result);
}
/// <summary>
/// Returns the value held by the given key.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <returns>the value held by the given key</returns>
public virtual T Get <T>(ConfigurationKey <T> key)
{
if (key is null)
{
throw new ArgumentNullException(nameof(key), "key cannot be null!"); // LUCENENET specific - changed from IllegalArgumentException to ArgumentNullException (.NET convention)
}
return(!this.configMap.TryGetValue(key, out object result) || result is null ? default :
// LUCENENET: Retrieve a 1 dimensionsal array for value types to avoid unboxing
(typeof(T).IsValueType ? ((T[])result)[0] : (T)result));
}
/// <summary>
/// Sets a key and its value.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <param name="value">value to set</param>
public virtual void Set <T>(ConfigurationKey <T> key, T value)
{
if (key == null)
{
throw new ArgumentException("key cannot be null!");
}
if (value == null)
{
Unset(key);
}
else
{
this.configMap[key] = value;
}
}
/// <summary>
/// Sets a key and its value.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <param name="value">value to set</param>
public virtual void Set <T>(ConfigurationKey <T> key, T value)
{
if (key is null)
{
throw new ArgumentNullException(nameof(key), "key cannot be null!"); // LUCENENET specific - changed from IllegalArgumentException to ArgumentNullException (.NET convention)
}
if (value == null)
{
Unset(key);
}
else if (typeof(T).IsValueType)
{
this.configMap[key] = new T[] { value }; // LUCENENET: Store a 1 dimensionsal array for value types to avoid boxing
}
else
{
this.configMap[key] = value;
}
}
/// <summary>
/// Gets the value associated with the specified key.
/// </summary>
/// <typeparam name="T">the value's type</typeparam>
/// <param name="key">the key, cannot be <c>null</c></param>
/// <param name="value">When this method returns, contains the value associated with the specified key,
/// if the key is found; otherwise, the default value for the type of the <paramref name="value"/> parameter.
/// This parameter is passed uninitialized.</param>
/// <returns><c>true</c> if the configuration contains an element with the specified <paramref name="key"/>; otherwise, <c>false</c>.</returns>
// LUCENENET specific - using this method allows us to store non-nullable value types
public virtual bool TryGetValue <T>(ConfigurationKey <T> key, out T value)
{
if (key is null)
{
throw new ArgumentNullException(nameof(key), "key cannot be null!");
}
if (this.configMap.TryGetValue(key, out object resultObj))
{
if (typeof(T).IsValueType)
{
value = ((T[])resultObj)[0]; // LUCENENET: Retrieve a 1 dimensionsal array for value types to avoid unboxing
}
else
{
value = (T)resultObj;
}
return(true);
}
value = default;
return(false);
}
