wow-core/me.ahoo.wow.command.metadata/CommandMetadata

CommandMetadata

data class CommandMetadata<C>(val commandType: Class<C>, val namedAggregateGetter: NamedAggregateGetter<C>?, val name: String, val isCreate: Boolean, val allowCreate: Boolean, val isVoid: Boolean, val aggregateIdGetter: PropertyGetter<C, String>?, val tenantIdGetter: PropertyGetter<C, String>?, val ownerIdGetter: PropertyGetter<C, String>?, val aggregateVersionGetter: PropertyGetter<C, Int?>?) : Named, Metadata

Metadata container for command classes.

CommandMetadata holds all the reflective information about a command class, including property getters for aggregate targeting, command characteristics, and naming information. This metadata is used by the command processing pipeline to properly route and handle commands.

Author

ahoo wang

Parameters

C

the type of the command class

See also

Constructors

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constructor(commandType: Class<C>, namedAggregateGetter: NamedAggregateGetter<C>?, name: String, isCreate: Boolean, allowCreate: Boolean, isVoid: Boolean, aggregateIdGetter: PropertyGetter<C, String>?, tenantIdGetter: PropertyGetter<C, String>?, ownerIdGetter: PropertyGetter<C, String>?, aggregateVersionGetter: PropertyGetter<C, Int?>?)

Properties

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val aggregateIdGetter: PropertyGetter<C, String>?

property getter for the aggregate ID (can be null for create commands)

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val aggregateVersionGetter: PropertyGetter<C, Int?>?

property getter for the expected aggregate version

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val allowCreate: Boolean

whether this command allows creating aggregates if they don't exist

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val commandType: Class<C>

the Class object representing the command type

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val isCreate: Boolean

whether this command creates new aggregates

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val isDelete: Boolean

Whether this command deletes aggregates.

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val isVoid: Boolean

whether this command returns no result (fire-and-forget)

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open override val name: String

the command name (typically the class name)

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val namedAggregateGetter: NamedAggregateGetter<C>?

getter for the named aggregate information

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val ownerIdGetter: PropertyGetter<C, String>?

property getter for the owner ID

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val staticTenantId: String?

The static tenant ID if the tenant ID getter is a static property getter.

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val tenantIdGetter: PropertyGetter<C, String>?

property getter for the tenant ID

Functions

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open operator override fun equals(other: Any?): Boolean
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open override fun hashCode(): Int
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open override fun toString(): String
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