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Name | Direction | Description | Type | Occurrence | Required |
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AggregateType | Input | Select the aggregate you want to read. This is a list of the aggregates definitions. | Aggregate | Single valued | trueYes |
AggregateId | Input | The attribute that holds the Id of the aggregate you want to read. | Expression resulting in an integer | Single valued | trueYes |
VersionIDInput | Bidirectional | The Id of the version to read. | Expression resulting in an integer | Single valued | falseNo |
VersionIDOutput | Output | The attribute on which the Id of the version that is to be read will be stored. | Attribute | Single valued | falseNo |
TargetInstance | Output | The instance on which the Id of the version that is to be read will be stored in the attribute mentioned in VersionIDOutput. | Expression resulting in an instance | Single valued | falseNo |
How to - find the AggregateId
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Below an example is given for a read service with versioning.
Service call definition | |||
Aggregate definition | Service definition |
Visual overview of aggregate concepts
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Overview
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