Topic

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

Initializers

import com.aliyun.ros.cdk.datahub.Topic;
Topic.Builder.create(Construct scope, java.lang.String id, java.lang.Boolean enableResourcePropertyConstraint)
    .comment(java.lang.String)
    .comment(IResolvable)
    .projectName(java.lang.String)
    .projectName(IResolvable)
    .recordType(java.lang.String)
    .recordType(IResolvable)
    .topicName(java.lang.String)
    .topicName(IResolvable)
//  .lifecycle(java.lang.Number)
//  .lifecycle(IResolvable)
//  .recordSchema(java.lang.String)
//  .recordSchema(IResolvable)
//  .shardCount(java.lang.Number)
//  .shardCount(IResolvable)
    .build();

Name	Type	Description
scope	com.aliyun.ros.cdk.core.Construct	No description.
id	java.lang.String	No description.
enableResourcePropertyConstraint	java.lang.Boolean	No description.
comment	java.lang.String OR com.aliyun.ros.cdk.core.IResolvable	Property comment: The comment of topic.
projectName	java.lang.String OR com.aliyun.ros.cdk.core.IResolvable	Property projectName: The name of the project.
recordType	java.lang.String OR com.aliyun.ros.cdk.core.IResolvable	Property recordType: Record type.
topicName	java.lang.String OR com.aliyun.ros.cdk.core.IResolvable	Property topicName: The name of the topic.
lifecycle	java.lang.Number OR com.aliyun.ros.cdk.core.IResolvable	Property lifecycle: Data storage life cycle.
recordSchema	java.lang.String OR com.aliyun.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.
shardCount	java.lang.Number OR com.aliyun.ros.cdk.core.IResolvable	Property shardCount: Initial shard number.

---

scope^Required

• Type: com.aliyun.ros.cdk.core.Construct

---

id^Required

• Type: java.lang.String

---

enableResourcePropertyConstraint^Optional

• Type: java.lang.Boolean

---

comment^Required

• Type: java.lang.String OR com.aliyun.ros.cdk.core.IResolvable

Property comment: The comment of topic.

---

projectName^Required

• Type: java.lang.String OR com.aliyun.ros.cdk.core.IResolvable

Property projectName: The name of the project.

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

---

recordType^Required

• Type: java.lang.String OR com.aliyun.ros.cdk.core.IResolvable

Property recordType: Record type.

TUPLE: structured data, BLOB: unstructured data.

---

topicName^Required

• Type: java.lang.String OR com.aliyun.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: java.lang.Number OR com.aliyun.ros.cdk.core.IResolvable

Property lifecycle: Data storage life cycle.

---

recordSchema^Optional

• Type: java.lang.String OR com.aliyun.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.

---

shardCount^Optional

• Type: java.lang.Number OR com.aliyun.ros.cdk.core.IResolvable

Property shardCount: Initial shard number.

---

Methods

Name	Description
toString	Returns a string representation of this construct.
synthesize	Allows this construct to emit artifacts into the cloud assembly during synthesis.
addCondition	No description.
addCount	No description.
addDependency	No description.
addResourceDesc	No description.
applyRemovalPolicy	No description.
getAtt	No description.
setMetadata	No description.

---

toString

public java.lang.String toString()

Returns a string representation of this construct.

synthesize

public void synthesize(ISynthesisSession session)

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: com.aliyun.ros.cdk.core.ISynthesisSession

The synthesis session.

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addCondition

public void addCondition(RosCondition condition)

condition^Required

• Type: com.aliyun.ros.cdk.core.RosCondition

---

addCount

public void addCount(java.lang.Number OR IResolvable count)

count^Required

• Type: java.lang.Number OR com.aliyun.ros.cdk.core.IResolvable

---

addDependency

public void addDependency(Resource resource)

resource^Required

• Type: com.aliyun.ros.cdk.core.Resource

---

addResourceDesc

public void addResourceDesc(java.lang.String desc)

desc^Required

• Type: java.lang.String

---

applyRemovalPolicy

public void applyRemovalPolicy(RemovalPolicy policy)

policy^Required

• Type: com.aliyun.ros.cdk.core.RemovalPolicy

---

getAtt

public IResolvable getAtt(java.lang.String name)

name^Required

• Type: java.lang.String

---

setMetadata

public void setMetadata(java.lang.String key, java.lang.Object value)

key^Required

• Type: java.lang.String

---

value^Required

• Type: java.lang.Object

---

Static Functions

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

---

isConstruct

import com.aliyun.ros.cdk.datahub.Topic;
Topic.isConstruct(java.lang.Object x)

Return whether the given object is a Construct.

x^Required

• Type: java.lang.Object

---

Properties

Name	Type	Description
node	com.aliyun.ros.cdk.core.ConstructNode	The construct tree node associated with this construct.
ref	java.lang.String	No description.
stack	com.aliyun.ros.cdk.core.Stack	The stack in which this resource is defined.
resource	com.aliyun.ros.cdk.core.RosResource	No description.
attrProjectName	com.aliyun.ros.cdk.core.IResolvable	Attribute ProjectName: Project name.
attrTopicName	com.aliyun.ros.cdk.core.IResolvable	Attribute TopicName: Topic name.

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node^Required

public ConstructNode getNode();

• Type: com.aliyun.ros.cdk.core.ConstructNode

The construct tree node associated with this construct.

---

ref^Required

public java.lang.String getRef();

• Type: java.lang.String

---

stack^Required

public Stack getStack();

• Type: com.aliyun.ros.cdk.core.Stack

The stack in which this resource is defined.

---

resource^Optional

public RosResource getResource();

• Type: com.aliyun.ros.cdk.core.RosResource

---

attrProjectName^Required

public IResolvable getAttrProjectName();

• Type: com.aliyun.ros.cdk.core.IResolvable

Attribute ProjectName: Project name.

---

attrTopicName^Required

public IResolvable getAttrTopicName();

• Type: com.aliyun.ros.cdk.core.IResolvable

Attribute TopicName: Topic name.

---

Structs