Topic

This class encapsulates and extends the ROS resource type ALIYUN::DATAHUB::Topic, which is used to create a topic.

Initializers

import ros_cdk_datahub
ros_cdk_datahub.Topic(
  scope: Construct,
  id: str,
  comment: typing.Union[str, IResolvable],
  project_name: typing.Union[str, IResolvable],
  record_type: typing.Union[str, IResolvable],
  topic_name: typing.Union[str, IResolvable],
  lifecycle: typing.Union[typing.Union[int, float], IResolvable] = None,
  record_schema: typing.Union[str, IResolvable] = None,
  shard_count: typing.Union[typing.Union[int, float], IResolvable] = None,
  enable_resource_property_constraint: bool = None
)

Name	Type	Description
scope	ros_cdk_core.Construct	No description.
id	str	No description.
comment	typing.Union[str, ros_cdk_core.IResolvable]	Property comment: The comment of topic.
project_name	typing.Union[str, ros_cdk_core.IResolvable]	Property projectName: The name of the project.
record_type	typing.Union[str, ros_cdk_core.IResolvable]	Property recordType: Record type.
topic_name	typing.Union[str, ros_cdk_core.IResolvable]	Property topicName: The name of the topic.
lifecycle	typing.Union[typing.Union[int, float], ros_cdk_core.IResolvable]	Property lifecycle: Data storage life cycle.
record_schema	typing.Union[str, ros_cdk_core.IResolvable]	Property recordSchema: When creating a TUPLE type topic, you need to specify the schema, but the BLOB type does not pass this parameter.
shard_count	typing.Union[typing.Union[int, float], ros_cdk_core.IResolvable]	Property shardCount: Initial shard number.
enable_resource_property_constraint	bool	No description.

---

scope^Required

• Type: ros_cdk_core.Construct

---

id^Required

• Type: str

---

comment^Required

• Type: typing.Union[str, ros_cdk_core.IResolvable]

Property comment: The comment of topic.

---

project_name^Required

• Type: typing.Union[str, ros_cdk_core.IResolvable]

Property projectName: The name of the project.

Length [3, 32]. Beginning with characters, only characters, numbers and _ are allowed.

---

record_type^Required

• Type: typing.Union[str, ros_cdk_core.IResolvable]

Property recordType: Record type.

TUPLE: structured data, BLOB: unstructured data.

---

topic_name^Required

• Type: typing.Union[str, ros_cdk_core.IResolvable]

Property topicName: The name of the topic.

Length [3, 64]. Beginning with characters, only characters, numbers and _ are allowed.

---

lifecycle^Optional

• Type: typing.Union[typing.Union[int, float], ros_cdk_core.IResolvable]

Property lifecycle: Data storage life cycle.

---

record_schema^Optional

• Type: typing.Union[str, ros_cdk_core.IResolvable]

Property recordSchema: When creating a TUPLE type topic, you need to specify the schema, but the BLOB type does not pass this parameter.

---

shard_count^Optional

• Type: typing.Union[typing.Union[int, float], ros_cdk_core.IResolvable]

Property shardCount: Initial shard number.

---

enable_resource_property_constraint^Optional

• Type: bool

---

Methods

Name	Description
to_string	Returns a string representation of this construct.
synthesize	Allows this construct to emit artifacts into the cloud assembly during synthesis.
add_condition	No description.
add_count	No description.
add_dependency	No description.
add_resource_desc	No description.
apply_removal_policy	No description.
get_att	No description.
set_metadata	No description.

---

to_string

def to_string() -> str

Returns a string representation of this construct.

synthesize

def synthesize(
  session: ISynthesisSession
) -> None

Allows this construct to emit artifacts into the cloud assembly during synthesis.

This method is usually implemented by framework-level constructs such as Stack and Asset as they participate in synthesizing the cloud assembly.

session^Required

• Type: ros_cdk_core.ISynthesisSession

The synthesis session.

---

add_condition

def add_condition(
  condition: RosCondition
) -> None

condition^Required

• Type: ros_cdk_core.RosCondition

---

add_count

def add_count(
  count: typing.Union[typing.Union[int, float], IResolvable]
) -> None

count^Required

• Type: typing.Union[typing.Union[int, float], ros_cdk_core.IResolvable]

---

add_dependency

def add_dependency(
  resource: Resource
) -> None

resource^Required

• Type: ros_cdk_core.Resource

---

add_resource_desc

def add_resource_desc(
  desc: str
) -> None

desc^Required

• Type: str

---

apply_removal_policy

def apply_removal_policy(
  policy: RemovalPolicy
) -> None

policy^Required

• Type: ros_cdk_core.RemovalPolicy

---

get_att

def get_att(
  name: str
) -> IResolvable

name^Required

• Type: str

---

set_metadata

def set_metadata(
  key: str,
  value: typing.Any
) -> None

key^Required

• Type: str

---

value^Required

• Type: typing.Any

---

Static Functions

Name	Description
is_construct	Return whether the given object is a Construct.

---

is_construct

import ros_cdk_datahub
ros_cdk_datahub.Topic.is_construct(
  x: typing.Any
)

Return whether the given object is a Construct.

x^Required

• Type: typing.Any

---

Properties

Name	Type	Description
node	ros_cdk_core.ConstructNode	The construct tree node associated with this construct.
ref	str	No description.
stack	ros_cdk_core.Stack	The stack in which this resource is defined.
resource	ros_cdk_core.RosResource	No description.
attr_project_name	ros_cdk_core.IResolvable	Attribute ProjectName: Project name.
attr_topic_name	ros_cdk_core.IResolvable	Attribute TopicName: Topic name.

---

node^Required

node: ConstructNode

• Type: ros_cdk_core.ConstructNode

The construct tree node associated with this construct.

---

ref^Required

ref: str

• Type: str

---

stack^Required

stack: Stack

• Type: ros_cdk_core.Stack

The stack in which this resource is defined.

---

resource^Optional

resource: RosResource

• Type: ros_cdk_core.RosResource

---

attr_project_name^Required

attr_project_name: IResolvable

• Type: ros_cdk_core.IResolvable

Attribute ProjectName: Project name.

---

attr_topic_name^Required

attr_topic_name: IResolvable

• Type: ros_cdk_core.IResolvable

Attribute TopicName: Topic name.

---

Structs