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Diffusion .NET API
5.9.24
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Diffusion .NET API
5.9.24
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The topic type. More...
Static Public Attributes | |
| static readonly TopicType | STATELESS = new TopicType( TopicTypeEnum.STATELESS, 1, false, false ) |
| A stateless topic is one that has no data state maintained at the server and performs no specific function. Such a topic would normally be used simply to act as an organisational node within the topic tree but may also be used for sending messages. More... | |
| static readonly TopicType | SINGLE_VALUE = new TopicType( TopicTypeEnum.SINGLE_VALUE, 3, true, false ) |
| This is a stateful topic that maintains its state as a single string value which may be optionally be validated and constrained by type (e.g. integer, decimal or custom values). The type is defined by an item of IMField metadata. More... | |
| static readonly TopicType | RECORD = new TopicType( TopicTypeEnum.RECORD, 4, true, false ) |
| This is a stateful topic that maintains its state in Diffusion record format. The format of the topic content may be one or more records as defined by an item of IMContent metadata. When such a topic is updated then the metadata is used to interpret the data and make comparisons between the current topic state and the update such that a delta of change can be calculated for publishing to subscribed clients. More... | |
| static readonly TopicType | PROTOCOL_BUFFER = new TopicType( TopicTypeEnum.PROTOCOL_BUFFER, 5, true, false ) |
| A stateful topic that that maintains its state in Google Protocol Buffers format. The format of the data is described by a single Protocol Buffers message description. When such a topic is updated then the message description is used to interpret the data and make comparisons between the current topic state and the update such that a delta of change can be calculated for publishing to subscribed clients. More... | |
| static readonly TopicType | CUSTOM = new TopicType( TopicTypeEnum.CUSTOM, 6, true, false ) |
| A topic that maintains its own data via a user-written class. More... | |
| static readonly TopicType | SLAVE = new TopicType( TopicTypeEnum.SLAVE, 7, true, false ) |
| A topic that links to another topic which has data (i.e. an alias). More... | |
| static readonly TopicType | SERVICE = new TopicType( TopicTypeEnum.SERVICE, 8, false, true ) |
| A topic that enables asynchronous request/response calls. More... | |
| static readonly TopicType | PAGED_STRING = new TopicType( TopicTypeEnum.PAGED_STRING, 9, false, true ) |
| A functional topic that maintains its state as a list of strings which individual clients can page through and be dynamically notified of changes. More... | |
| static readonly TopicType | PAGED_RECORD = new TopicType( TopicTypeEnum.PAGED_RECORD, 10, false, true ) |
| A functional topic that maintains its state as a list of records which individual clients can page through and be dynamically notified of changes. More... | |
| static readonly TopicType | TOPIC_NOTIFY = new TopicType( TopicTypeEnum.TOPIC_NOTIFY, 11, false, true ) |
| A functional topic that allows clients to be notified of the addition and removal of other topics. More... | |
| static readonly TopicType | ROUTING = new TopicType( TopicTypeEnum.ROUTING, 12, false, true ) |
| A functional topic that can point to different target topics for different clients. More... | |
| static readonly TopicType | CHILD_LIST = new TopicType( TopicTypeEnum.CHILD_LIST, 13, false, true ) |
| A functional topic that automatically maintains a list of its children and notifies subscribers of changes when a child is added or removed. More... | |
| static readonly TopicType | BINARY = new TopicType( TopicTypeEnum.BINARY, 14, true, false ) |
| A stateful CBOR (Concise Binary Object Representation) Topic. More... | |
| static readonly TopicType | JSON = new TopicType( TopicTypeEnum.JSON, 15, true, false ) |
| A stateful JSON (Javascript Object Notation) Topic. More... | |
Properties | |
| bool | Stateful [get, set] |
| True for stateful topic types. More... | |
| bool | Functional [get, set] |
| True for functional topic types. More... | |
The topic type.
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A stateful CBOR (Concise Binary Object Representation) Topic.
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A functional topic that automatically maintains a list of its children and notifies subscribers of changes when a child is added or removed.
Deprecated since 5.9.
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A topic that maintains its own data via a user-written class.
Deprecated since 5.9.
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A stateful JSON (Javascript Object Notation) Topic.
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A functional topic that maintains its state as a list of records which individual clients can page through and be dynamically notified of changes.
A client that wished to use such a topic would do so via the paging feature.
Such a topic may be updated by a control client using the paging control feature.
Deprecated since 5.9.
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A functional topic that maintains its state as a list of strings which individual clients can page through and be dynamically notified of changes.
A client that wished to use such a topic would do so via the paging feature.
Such a topic may be updated by a control client using the paging control feature.
Deprecated since 5.9.
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A stateful topic that that maintains its state in Google Protocol Buffers format. The format of the data is described by a single Protocol Buffers message description. When such a topic is updated then the message description is used to interpret the data and make comparisons between the current topic state and the update such that a delta of change can be calculated for publishing to subscribed clients.
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static |
This is a stateful topic that maintains its state in Diffusion record format. The format of the topic content may be one or more records as defined by an item of IMContent metadata. When such a topic is updated then the metadata is used to interpret the data and make comparisons between the current topic state and the update such that a delta of change can be calculated for publishing to subscribed clients.
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A functional topic that can point to different target topics for different clients.
From the point of view of a client subscribing to such a topic, this would be seen as a normal stateful topic, but it has no state of its own and cannot be published to.
Such a topic may specify a user-written class which will be invoked to define the mapping of the topic to another data topic when a client subscribes. Alternatively the mapping can be delegated to a control client using the subscription control feature.
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A topic that enables asynchronous request/response calls.
A client that wished to use such a topic would do so via the services feature.
Such a topic may have its functionality provided by a user-written class, or requests can be delegated to control clients using the service provider feature.
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This is a stateful topic that maintains its state as a single string value which may be optionally be validated and constrained by type (e.g. integer, decimal or custom values). The type is defined by an item of IMField metadata.
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A topic that links to another topic which has data (i.e. an alias).
Though such a topic maintains no state itself, it is seen as stateful as it is permissible to update it (which is effectively the same as updating the target topic).
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A stateless topic is one that has no data state maintained at the server and performs no specific function. Such a topic would normally be used simply to act as an organisational node within the topic tree but may also be used for sending messages.
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A functional topic that allows clients to be notified of the addition and removal of other topics.
A client that wished to use such a topic would do so via the topic notifications feature.
Deprecated since 5.9.
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getset |
True for functional topic types.
Deprecated since 5.9.
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getset |
True for stateful topic types.
Deprecated since 5.9.
1.8.5 
