Topic

This class encapsulates and extends the ROS resource type DATASOURCE::MNS::Topic, which is used to query the information about a topic.

Initializers

import com.aliyun.ros.cdk.mns.datasource.Topic;
Topic.Builder.create(Construct scope, java.lang.String id, java.lang.Boolean enableResourcePropertyConstraint)
    .topicName(java.lang.String)
    .topicName(IResolvable)
//  .refreshOptions(java.lang.String)
//  .refreshOptions(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.
topicName	java.lang.String OR com.aliyun.ros.cdk.core.IResolvable	Property topicName: The name of the resource.
refreshOptions	java.lang.String OR com.aliyun.ros.cdk.core.IResolvable	Property refreshOptions: The refresh strategy for the datasource resource when the stack is updated.

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scope^Required

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

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id^Required

• Type: java.lang.String

---

enableResourcePropertyConstraint^Optional

• Type: java.lang.Boolean

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topicName^Required

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

Property topicName: The name of the resource.

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refreshOptions^Optional

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

Property refreshOptions: The refresh strategy for the datasource resource when the stack is updated.

Valid values:

• Never: Never refresh the datasource resource when the stack is updated.
• Always: Always refresh the datasource resource when the stack is updated. Default is Never.

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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.

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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

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addCount

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

count^Required

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

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addDependency

public void addDependency(Resource resource)

resource^Required

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

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addResourceDesc

public void addResourceDesc(java.lang.String desc)

desc^Required

• Type: java.lang.String

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applyRemovalPolicy

public void applyRemovalPolicy(RemovalPolicy policy)

policy^Required

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

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getAtt

public IResolvable getAtt(java.lang.String name)

name^Required

• Type: java.lang.String

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setMetadata

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

key^Required

• Type: java.lang.String

---

value^Required

• Type: java.lang.Object

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Static Functions

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

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isConstruct

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

Return whether the given object is a Construct.

x^Required

• Type: java.lang.Object

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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.
attrCreateTime	com.aliyun.ros.cdk.core.IResolvable	Attribute CreateTime: The time when the topic was created.
attrLastModifyTime	com.aliyun.ros.cdk.core.IResolvable	Attribute LastModifyTime: The time when the topic was last modified.
attrLoggingEnabled	com.aliyun.ros.cdk.core.IResolvable	Attribute LoggingEnabled: Indicates whether the log management feature is enabled for the topic.
attrMaxMessageSize	com.aliyun.ros.cdk.core.IResolvable	Attribute MaxMessageSize: The maximum size of a message body that is sent to the topic.
attrMessageCount	com.aliyun.ros.cdk.core.IResolvable	Attribute MessageCount: The number of messages in the topic.
attrMessageRetentionPeriod	com.aliyun.ros.cdk.core.IResolvable	Attribute MessageRetentionPeriod: The retention period of the message in the topic.
attrTopicInnerUrl	com.aliyun.ros.cdk.core.IResolvable	Attribute TopicInnerUrl: The internal URL of the topic.
attrTopicName	com.aliyun.ros.cdk.core.IResolvable	Attribute TopicName: The name of the MNS topic.
attrTopicUrl	com.aliyun.ros.cdk.core.IResolvable	Attribute TopicUrl: The URL of the topic.

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node^Required

public ConstructNode getNode();

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

The construct tree node associated with this construct.

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ref^Required

public java.lang.String getRef();

• Type: java.lang.String

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stack^Required

public Stack getStack();

• Type: com.aliyun.ros.cdk.core.Stack

The stack in which this resource is defined.

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resource^Optional

public RosResource getResource();

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

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attrCreateTime^Required

public IResolvable getAttrCreateTime();

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

Attribute CreateTime: The time when the topic was created.

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attrLastModifyTime^Required

public IResolvable getAttrLastModifyTime();

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

Attribute LastModifyTime: The time when the topic was last modified.

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attrLoggingEnabled^Required

public IResolvable getAttrLoggingEnabled();

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

Attribute LoggingEnabled: Indicates whether the log management feature is enabled for the topic.

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attrMaxMessageSize^Required

public IResolvable getAttrMaxMessageSize();

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

Attribute MaxMessageSize: The maximum size of a message body that is sent to the topic.

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attrMessageCount^Required

public IResolvable getAttrMessageCount();

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

Attribute MessageCount: The number of messages in the topic.

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attrMessageRetentionPeriod^Required

public IResolvable getAttrMessageRetentionPeriod();

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

Attribute MessageRetentionPeriod: The retention period of the message in the topic.

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attrTopicInnerUrl^Required

public IResolvable getAttrTopicInnerUrl();

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

Attribute TopicInnerUrl: The internal URL of the topic.

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attrTopicName^Required

public IResolvable getAttrTopicName();

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

Attribute TopicName: The name of the MNS topic.

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attrTopicUrl^Required

public IResolvable getAttrTopicUrl();

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

Attribute TopicUrl: The URL of the topic.

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