Class ResourceOptions

Definition

Namespace:
Tizen.Network.IoTConnectivity
Assembly:
Tizen.Network.IoTConnectivity.dll

This class represents resource options. It provides APIs to manage them.

The iotcon options API provides methods for managing vendor specific options of coap packet.

See more about coap packet in http://tools.ietf.org/html/rfc7252.

public class ResourceOptions : IDictionary<ushort, string>, ICollection<KeyValuePair<ushort, string>>, IEnumerable<KeyValuePair<ushort, string>>, IEnumerable, IDisposable
Inheritance
object
ResourceOptions
Implements
System.Collections.Generic.IDictionary<TKey, TValue><ushort, string>
System.Collections.Generic.ICollection<T><System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string>>
System.Collections.Generic.IEnumerable<T><System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string>>
System.Collections.IEnumerable
System.IDisposable

Constructors

View Source

ResourceOptions()

The resource options constructor.

Declaration
public ResourceOptions()
Examples
    ResourceOptions options = new ResourceOptions();
Exceptions
Type Condition
System.NotSupportedException

Thrown when the iotcon is not supported.
System.OutOfMemoryException

Thrown when there is not enough memory.
See Also

Properties

View Source

Count

Gets the number of options.

Declaration
public int Count { get; }
Property Value
Type Description
int

The number of options.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "sample-data");
    options.Add(2055, "sample value");
    var count = options.Count;
    Console.WriteLine("There are {0} keys in the options object", count);
View Source

IsReadOnly

Represents whether the collection is readonly.

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

Whether the collection is readonly.
Examples
    ResourceOptions options = new ResourceOptions();
    if (options.IsReadOnly)
        Console.WriteLine("Read only options");
View Source

this[ushort]

Gets or sets the option data.

Declaration
public string this[ushort key] { get; set; }
Parameters
Type Name Description
ushort key

The option ID to get or set.
Property Value
Type Description
string

The option data.
Examples
    ResourceOptions options = new ResourceOptions();
    options[2055] = "sample-data";
    Console.WriteLine("Option has : {0}", options[2055]);
View Source

Keys

Contains all the Option keys.

Declaration
public ICollection<ushort> Keys { get; }
Property Value
Type Description
System.Collections.Generic.ICollection<T><ushort>

All the Option keys.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "sample-data");
    options.Add(2055, "sample value");
    var keys = options.Keys;
    Console.WriteLine("Resource options contains keys {0} and {1}", keys.ElementAt(0), keys.ElementAt(1));
View Source

Values

Contains all the Option values.

Declaration
public ICollection<string> Values { get; }
Property Value
Type Description
System.Collections.Generic.ICollection<T><string>

All the Option values.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "sample-data");
    options.Add(2055, "sample value");
    var values = options.Values;
    Console.WriteLine("Resource options contains values {0} and {1}", values.ElementAt(0), values.ElementAt(1));

Methods

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Add(KeyValuePair<ushort, string>)

Adds options key and value as a key value pair.

Declaration
public void Add(KeyValuePair<ushort, string> item)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string> item

The key value pair.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "12345"));
See Also
View Source

Add(ushort, string)

Adds a new ID and a correspoding data into the options.

Declaration
public void Add(ushort key, string value)
Parameters
Type Name Description
ushort key

The ID of the option to insert.
string value

The string data to insert into the options.
Remarks

ResourceOptions can have up to 2 options.

key is always situated between 2048 and 3000.

Length of option data is less than or equal to 15.

Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "sample-data");
Exceptions
Type Condition
System.NotSupportedException

Thrown when the iotcon is not supported.
System.ArgumentException

Thrown when there is an invalid parameter.
See Also
View Source

Clear()

Clears the Options collection.

Declaration
public void Clear()
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "12345");
    options.Add(2055, "sample");
    options.Clear();
Exceptions
Type Condition
System.NotSupportedException

Thrown when the iotcon is not supported.
View Source

Contains(KeyValuePair<ushort, string>)

Checks if the given option pair exists.

Declaration
public bool Contains(KeyValuePair<ushort, string> item)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string> item

The key value pair.
Returns
Type Description
bool

True if exists. Otherwise, false.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "12345"));
    var isPresent = options.Contains(new KeyValuePair<ushort, string>(2050, "12345"));
    if (isPresent)
        Console.WriteLine("Key value pair is present");
View Source

ContainsKey(ushort)

Checks whether the given key exists in Options collection.

Declaration
public bool ContainsKey(ushort key)
Parameters
Type Name Description
ushort key

The key to look for.
Returns
Type Description
bool

true if exists. Otherwise, false.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "sample-data");
    if (options.ContainsKey(2050))
        Console.WriteLine("options conatins key : 2050");
View Source

CopyTo(KeyValuePair<ushort, string>[], int)

Copies the elements of the options collection to an array, starting at a particular index.

Declaration
public void CopyTo(KeyValuePair<ushort, string>[] array, int arrayIndex)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string>[] array

The destination array.
int arrayIndex

Index parameter.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "12345"));
    KeyValuePair<ushort, string>[] dest = new KeyValuePair<ushort, string>[options.Count];
    options.CopyTo(dest, 0);
    Console.WriteLine("Dest conatins ({0}, {1})", dest[0].Key, dest[0].Value);
View Source

Dispose()

Releases any unmanaged resources used by this object.

Declaration
public void Dispose()
View Source

Dispose(bool)

Releases any unmanaged resources used by this object. Can also dispose any other disposable objects.

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
bool disposing

If true, disposes any disposable objects. If false, does not dispose disposable objects.
View Source

~ResourceOptions()

Destructor of the ResourceOptions class.

Declaration
protected ~ResourceOptions()
View Source

GetEnumerator()

Get the enumerator to options collection.

Declaration
public IEnumerator<KeyValuePair<ushort, string>> GetEnumerator()
Returns
Type Description
System.Collections.Generic.IEnumerator<T><System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string>>

Enumerator to option pairs.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "sample1"));
    options.Add(new KeyValuePair<ushort, string>(2055, "sample2"));
    foreach (KeyValuePair<string, object> pair in options)
    {
        Console.WriteLine("key : {0}, value : {1}", pair.Key, pair.Value);
    }
View Source

Remove(KeyValuePair<ushort, string>)

Removes the given key value pair from the options.

Declaration
public bool Remove(KeyValuePair<ushort, string> item)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<TKey, TValue><ushort, string> item

The key value pair to remove
Returns
Type Description
bool

True if operation is successful. Otherwise, false
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "12345"));
    var result = options.Remove(new KeyValuePair<ushort, string>(2050, "12345"));
Exceptions
Type Condition
System.ArgumentException

Thrown when there is an invalid parameter
See Also
View Source

Remove(ushort)

Removes the ID and its associated data from the options.

Declaration
public bool Remove(ushort key)
Parameters
Type Name Description
ushort key

The ID of the option to delete.
Returns
Type Description
bool

True if operation is successful. Otherwise, false.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "12345");
    var result = options.Remove(2050);
Exceptions
Type Condition
System.NotSupportedException

Thrown when the iotcon is not supported.
System.ArgumentException

Thrown when there is an invalid parameter.
See Also
View Source

TryGetValue(ushort, out string)

Gets the value associated with the specified key.

Declaration
public bool TryGetValue(ushort key, out string value)
Parameters
Type Name Description
ushort key

The option ID.
string value

Value corresponding to option ID.
Returns
Type Description
bool

True if the key exists, false otherwise.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "12345");
    string value;
    var isPresent = options.TryGetValue(2050, out value);
    if (isPresent)
        Console.WriteLine("value : {0}", value);

Explicit Interface Implementations

View Source

IEnumerable.GetEnumerator()

Gets the enumerator to options collection.

Declaration
IEnumerator IEnumerable.GetEnumerator()
Returns
Type Description
System.Collections.IEnumerator

Enumerator to option pairs.
Examples
    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "sample1"));
    options.Add(new KeyValuePair<ushort, string>(2055, "sample2"));
    foreach (KeyValuePair<string, object> pair in options)
    {
        Console.WriteLine("key : {0}, value : {1}", pair.Key, pair.Value);
    }

Implements

System.Collections.Generic.IDictionary<TKey, TValue>
System.Collections.Generic.ICollection<T>
System.Collections.Generic.IEnumerable<T>
System.Collections.IEnumerable
System.IDisposable