Class ResourceOptions

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Definition

Namespace:
Tizen.Network.IoTConnectivity
Assembly:
Tizen.Network.IoTConnectivity.dll
API Level:
3

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.


                
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public class ResourceOptions : IDictionary<ushort, string>, ICollection<KeyValuePair<ushort, string>>, IEnumerable<KeyValuePair<ushort, string>>, IEnumerable, IDisposable
Inheritance
System.Object
ResourceOptions
Implements
System.Collections.Generic.IDictionary<System.UInt16, System.String>
System.Collections.Generic.ICollection<System.Collections.Generic.KeyValuePair<System.UInt16, System.String>>
System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<System.UInt16, System.String>>
System.Collections.IEnumerable
System.IDisposable

Constructors

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ResourceOptions()

The resource options constructor.

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

Thrown when the iotcon is not supported.
OutOfMemoryException

Thrown when there is not enough memory.
See Also
API Level: 3
Feature: http://tizen.org/feature/iot.ocf

Properties

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Count

Gets the number of options.

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public int Count { get; }
Property Value
Type Description
System.Int32

The number of options.
Examples

                

                

                    
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    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);
API Level: 3
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IsReadOnly

Represents whether the collection is readonly.

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public bool IsReadOnly { get; }
Property Value
Type Description
System.Boolean

Whether the collection is readonly.
Examples

                

                

                    
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    ResourceOptions options = new ResourceOptions();
    if (options.IsReadOnly)
        Console.WriteLine("Read only options");
API Level: 3
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Item[UInt16]

Gets or sets the option data.

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public string this[ushort key] { get; set; }
Parameters
Type Name Description
System.UInt16 key

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

The option data.
Examples

                

                

                    
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    ResourceOptions options = new ResourceOptions();
    options[2055] = "sample-data";
    Console.WriteLine("Option has : {0}", options[2055]);
API Level: 3
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Keys

Contains all the Option keys.

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public ICollection<ushort> Keys { get; }
Property Value
Type Description
System.Collections.Generic.ICollection<System.UInt16>

All the Option keys.
Examples

                

                

                    
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    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));
API Level: 3
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Values

Contains all the Option values.

Declaration

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

All the Option values.
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    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));
API Level: 3

Methods

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Add(KeyValuePair<UInt16, String>)

Adds options key and value as a key value pair.

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public void Add(KeyValuePair<ushort, string> item)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<System.UInt16, System.String> item

The key value pair.
Examples

                

                

                    
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    ResourceOptions options = new ResourceOptions();
    options.Add(new KeyValuePair<ushort, string>(2050, "12345"));
See Also
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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Add(UInt16, String)

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

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public void Add(ushort key, string value)
Parameters
Type Name Description
System.UInt16 key

The ID of the option to insert.
System.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.

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    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
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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Clear()

Clears the Options collection.

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public void Clear()
Examples

                

                

                    
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    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.
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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Contains(KeyValuePair<UInt16, String>)

Checks if the given option pair exists.

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public bool Contains(KeyValuePair<ushort, string> item)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<System.UInt16, System.String> item

The key value pair.
Returns
Type Description
System.Boolean

True if exists. Otherwise, false.
Examples

                

                

                    
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    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");
API Level: 3
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ContainsKey(UInt16)

Checks whether the given key exists in Options collection.

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public bool ContainsKey(ushort key)
Parameters
Type Name Description
System.UInt16 key

The key to look for.
Returns
Type Description
System.Boolean

true if exists. Otherwise, false.
Examples

                

                

                    
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    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "sample-data");
    if (options.ContainsKey(2050))
        Console.WriteLine("options conatins key : 2050");
API Level: 3
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CopyTo(KeyValuePair<UInt16, String>[], Int32)

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

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public void CopyTo(KeyValuePair<ushort, string>[] array, int arrayIndex)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<System.UInt16, System.String>[] array

The destination array.
System.Int32 arrayIndex

Index parameter.
Examples

                

                

                    
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    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);
API Level: 3
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Dispose()

Releases any unmanaged resources used by this object.

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public void Dispose()
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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Dispose(Boolean)

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

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protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing

If true, disposes any disposable objects. If false, does not dispose disposable objects.
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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Finalize()

Destructor of the ResourceOptions class.

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protected void Finalize()
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GetEnumerator()

Get the enumerator to options collection.

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public IEnumerator<KeyValuePair<ushort, string>> GetEnumerator()
Returns
Type Description
System.Collections.Generic.IEnumerator<System.Collections.Generic.KeyValuePair<System.UInt16, System.String>>

Enumerator to option pairs.
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    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);
    }
API Level: 3
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Remove(KeyValuePair<UInt16, String>)

Removes the given key value pair from the options.

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public bool Remove(KeyValuePair<ushort, string> item)
Parameters
Type Name Description
System.Collections.Generic.KeyValuePair<System.UInt16, System.String> item

The key value pair to remove
Returns
Type Description
System.Boolean

True if operation is successful. Otherwise, false
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    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
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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Remove(UInt16)

Removes the ID and its associated data from the options.

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public bool Remove(ushort key)
Parameters
Type Name Description
System.UInt16 key

The ID of the option to delete.
Returns
Type Description
System.Boolean

True if operation is successful. Otherwise, false.
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    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
API Level: 3
Feature: http://tizen.org/feature/iot.ocf
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TryGetValue(UInt16, out String)

Gets the value associated with the specified key.

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public bool TryGetValue(ushort key, out string value)
Parameters
Type Name Description
System.UInt16 key

The option ID.
System.String value

Value corresponding to option ID.
Returns
Type Description
System.Boolean

True if the key exists, false otherwise.
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    ResourceOptions options = new ResourceOptions();
    options.Add(2050, "12345");
    string value;
    var isPresent = options.TryGetValue(2050, out value);
    if (isPresent)
        Console.WriteLine("value : {0}", value);
API Level: 3

Explicit Interface Implementations

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IEnumerable.GetEnumerator()

Gets the enumerator to options collection.

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

Enumerator to option pairs.
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    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);
    }
API Level: 3

Implements

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