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PExact<EnumType>

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__TOCDet/Assembly = ARCCore
__TOCDet/Description = Very -MemoryConsumption- efficient alternative to -PRich-.0x000D0x000ATypically used to store entities like 'Customer', 'Product', 'Order' and so on0x000D0x000A0x000D0x000AHas some limitations in the sense that can only store an exact number of properties (assumed to come from one specific -PropertyKeyEnum-), and only use -PK- as key.0x000D0x000A0x000D0x000AValues are stored 'directly', that is, without packing inside a -PValue-. (in other words, values are unpacked as they are received (by call to -GetV-), and packed again (by -PackObjectForStorageInEntityObject-) before being sent.0x000D0x000AIf -PValueEmpty- is received from outside, it is treated as 'not-existing' (stored internally as null)0x000D0x000A0x000D0x000AUse this class as basis for your 'entity' classes when you know exact what you want to store in them and when you do not need to store any meta-data like -Cid-, -Created- for each property.0x000D0x000A0x000D0x000AThe only overhead of this class compared to a 'traditional' C# class (with ordinary properties) should be the overhead for the -Storage- array instance (24 extra bytes).0x000D0x000A0x000D0x000ASee also -MemoryConsumption-.0x000D0x000A0x000D0x000ASee -ARCDoc-, class -Orange- for example implementation.0x000D0x000A0x000D0x000ANOTE: Metadata at the entity level, like -Cid- and -Created- is only 0x000D0x000ANOTE: allowed as long as corresponding enum-members for the specific generic type parameter EnumType exists.0x000D0x000A0x000D0x000ASee also -ICreated, a dummy interface signifying that implementing class has the ability to store (in-memory) metadata -Created-0x000D0x000A0x000D0x000ATODO: This class is currently (as of Mar 2021) unable to store properties of type IP, that is, when packing / unpacking is not needed.0x000D0x000A
__TOCDet/DocFragType = Class
__TOCDet/LongDescription = Some examples of advantages of this class compared to -PRich-:0x000D0x000A0x000D0x000AExample 1: A small sample of about 832 000 -PropertyStreamLine- with data for about 16 000 customers (three properties, first name, last name and email) and 43 000 payments (about 21 properties each).0x000D0x000A42% reduction in RAM usage and a 16% reduction in CPU time for initial reading of all data into memory.0x000D0x000ADataset occupied 43 MB on disk and 59 MB in RAM.0x000D0x000A0x000D0x000A
__TOCDet/Name = PExact0x003CEnumType0x003E
__TOCDet/Namespace = ARCCore
__TOCDet/Type = PExact0x003CEnumType0x003E
__TOCDet/Attribute/AssemblyName = ARCCore
__TOCDet/Attribute/ClassNamespace = ARCCore
__TOCDet/Attribute/ClassType = PExact0x003CEnumType0x003E
__TOCDet/Attribute/Description = Very -MemoryConsumption- efficient alternative to -PRich-.0x000D0x000ATypically used to store entities like 'Customer', 'Product', 'Order' and so on0x000D0x000A0x000D0x000AHas some limitations in the sense that can only store an exact number of properties (assumed to come from one specific -PropertyKeyEnum-), and only use -PK- as key.0x000D0x000A0x000D0x000AValues are stored 'directly', that is, without packing inside a -PValue-. (in other words, values are unpacked as they are received (by call to -GetV-), and packed again (by -PackObjectForStorageInEntityObject-) before being sent.0x000D0x000AIf -PValueEmpty- is received from outside, it is treated as 'not-existing' (stored internally as null)0x000D0x000A0x000D0x000AUse this class as basis for your 'entity' classes when you know exact what you want to store in them and when you do not need to store any meta-data like -Cid-, -Created- for each property.0x000D0x000A0x000D0x000AThe only overhead of this class compared to a 'traditional' C# class (with ordinary properties) should be the overhead for the -Storage- array instance (24 extra bytes).0x000D0x000A0x000D0x000ASee also -MemoryConsumption-.0x000D0x000A0x000D0x000ASee -ARCDoc-, class -Orange- for example implementation.0x000D0x000A0x000D0x000ANOTE: Metadata at the entity level, like -Cid- and -Created- is only 0x000D0x000ANOTE: allowed as long as corresponding enum-members for the specific generic type parameter EnumType exists.0x000D0x000A0x000D0x000ASee also -ICreated, a dummy interface signifying that implementing class has the ability to store (in-memory) metadata -Created-0x000D0x000A0x000D0x000ATODO: This class is currently (as of Mar 2021) unable to store properties of type IP, that is, when packing / unpacking is not needed.0x000D0x000A
__TOCDet/Attribute/Interfaces = IP0x003BIEnumerable0xoooo003CIKIP0xoooo003E0x003BIEnumerable
__TOCDet/Attribute/InterfacesDirectlyImplemented = IP0x003BIEnumerable0xoooo003CIKIP0xoooo003E0x003BIEnumerable
__TOCDet/Attribute/LongDescription = Some examples of advantages of this class compared to -PRich-:0x000D0x000A0x000D0x000AExample 1: A small sample of about 832 000 -PropertyStreamLine- with data for about 16 000 customers (three properties, first name, last name and email) and 43 000 payments (about 21 properties each).0x000D0x000A42% reduction in RAM usage and a 16% reduction in CPU time for initial reading of all data into memory.0x000D0x000ADataset occupied 43 MB on disk and 59 MB in RAM.0x000D0x000A0x000D0x000A

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Generated 2025-11-04 18:18:13.278 UTC