Stereotype Attributes

Memory Adapter

AttributeDescriptionAllowed Values
scopeSupply the scope of the operation.globalThe stored data is accessible globally to the service, and available across service calls (default).
sessionThe stored data is accessible within a service call.
action

The adapter action derives from the used operation. Do not configure this.


Memory Adapter Operations

store Operation

Store a value to memory.

  • store ( key : String, value : Any, hashMapKey : String, oldValue : Any )

NameTypeDirectionDescription
keyStringinSet a key that can be used to access the stored value with the retrieve operation.
valueAnyinProvide the data that should be stored to the memory.
hashMapKeyStringinIn case the stored value is a hash map, you can use hashMapKey to provide the key of a hash map entry you want to override.
Refer to Using the Memory Adapter with Maps for more information on this.
oldValueAnyoutIf the provided key is already present in the memory, it gets overwritten. In this case, oldValue returns the previous value. If no old value is present, oldValue is NULL.
In case value contains a hash map, oldValue returns the complete previously stored hash map.

retrieve Operation

Retrieve a value from memory.

  • retrieve ( key : String, hashMapKey : String, value : Any )

NameTypeDirectionDescription
keyStringinProvide the key of the value that has been stored to memory with store. If no value with this key can be found, the Memory adapter throws error MEMADSM/9.
hashMapKeyStringinIn case the stored value is a hash map, you can use hashMapKey to retrieve a dedicated value from the map.
Refer to Using the Memory Adapter with Maps for more information on this.
valueAnyoutReturns the either the stored value, or the map entry.

remove Operation

Remove a value from memory.

  • remove ( key : String, hashMapKey : String, oldValue : Any )

NameTypeDirectionDescription
keyStringinProvide the key of the value that has been stored to memory with store. If no value with this key can be found, the Memory adapter throws error MEMADSM/12.
hashMapKeyStringinIn case the stored value is a hash map, you can use hashMapKey to provide the key of a hash map entry you want to remove.
Refer to Using the Memory Adapter with Maps for more information on this.
oldValueAnyoutReturns the value of the memory item that has been removed. In case value contains a hash map, oldValue returns the complete previously stored hash map.

clear Operation

Clear all stored data. No parameters.

On this Page:

MemoryAdapter_GuessingGame_Example

Click the icon to download a simple example model that shows the usage of the Memory adapter in Scheer PAS Designer.

MemoryAdapter_HashMap_Example

Click the icon to download a simple example model that shows the usage of the Memory adapter with hash maps in Scheer PAS Designer.

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