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language	cpp
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FUNCTION xpxConditionalDeepCopyInstances (sourceInstances  : AGGREGATE OF GENERIC; 
                                           modelId          : GENERIC; 
                                           options          : INTEGER;  
                                           include_exclude  : AGGREGATE OF GENERIC; 
                                           VAR newInstances : AGGREGATE OF GENERIC) 
                                           status           : INTEGER;

The xpxConditionalDeepCopyInstances function copies an instance graph within one data model or from one data model to another. The source instance graph consists of all instances that are directly or indirectly used by the source instance. The target instance(s) will implicitly be created, hence copy between existing instances cannot be performed by this operation.
Optionally this operation can copy a partial instance graph, one complete or one partial instance.
The data model locating the source instance must be open for read access and the target data model must be open for write access, before this operation can be successfully performed.
The arguments of the function are:

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Argument:

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Info

When copying objects (entity instances & aggregate instances) from one model to another model, the actual objects must be "copied" from the source model into the target model. Copied in this context means that new entity instances/aggregate instances have to be created in the target model and then the "primitive attribute/aggregate values" have to be assigned from the source objects to the new created objects in the target model. Hence, "normal" assignment statements cannot be used for this purpose. An assignment operation will only "copy" the InstanceId of the actual object resulting in "invalid InstanceId in target model".

Arguments

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^A <sourceInstances>Specifies the options to be used in the invocation of the function. The <options> value can be specified as a bitwise OR between the actual options to enable. All option names are defined on the header file sdai.h. See the edmiConditionalDeepCopyInstances function for options descriptions.Address an array of <options> An address to a ^

Type	Name	Comment
AGGREGATE OF GENERIC	sourceInstances	An aggregate of numeric instanceIDs that uniquely identifies the instances to be copied in the EDMdatabase
GENERIC	modelId	A numeric modelID that uniquely identifies the data model locating the target instance(s). This target model must be a population of the same schema as the model that locates the	options	<sourceInstances>
INTEGER	options	see below
AGGREGATE OF GENERIC	include_exclude	Array of	instances or instance types (entities). The content is dependent of the value of the	<options> argument. An instanceID = 0 terminates the <exclude_or_include> array
AGGREGATE OF GENERIC	newInstances	newInstance	A variable that will receive an aggregate of numeric instanceIDs that will uniquely identify the created instances (target instances) in the EDMdatabase

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Return Value

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Options

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Option	Comment
INCLUDE_TYPES	Only instances of the type specified in the <exclude_or_include> argument will be copied. When the SUBTYPES options is set, additionally instances that are subtypes of the specified types in <exclude_or_include> argument can be copied. The content of the <exclude_or_include> argument must be an array of GENERIC, each defining an instance type. A SdaiEntity with the value 0 (zero) terminates the array. The option values INCLUDE_TYPES , EXCLUDE_TYPES and EXCLUDE_INSTANCES are mutually exclusive.
EXCLUDE_TYPES	Instances of type specified in the <exclude_or_include> argument will not be copied. When the SUBTYPES options is set, additionally instances that are subtypes of the specified types in <exclude_or_include> argument will not be copied. The content of the <exclude_or_include> argument must be an array of GENERIC, each defining an instance type. A GENERIC with the value 0 (zero) terminates the array. The option values INCLUDE_TYPES , EXCLUDE_TYPES and EXCLUDE_INSTANCES are mutually exclusive.
SUBTYPES	This option has only effect when used together with INCLUDE_TYPES or EXCLUDE_TYPES options.
EXCLUDE_INSTANCES	The instances specified in the <exclude_or_include> argument will not be copied. The content of the <exclude_or_include> argument must be an array of GENERIC. A GENERIC with the value 0 (zero) terminates the array. The option values INCLUDE_TYPES , EXCLUDE_TYPES and EXCLUDE_INSTANCES are mutually exclusive.
COPY_SHALLOW	Only the source instance will be copied, i.e., no instance graph will be copied. The operation will be a shallow copy operation. When the source model and the target model is the same, the instance references in the source instance will be copied to the target instance.
EXCLUDE_ALL_INSTANCES	Only the source instance will be copied. The operation will be a shallow copy operation. No instance references will be copied, only attributes of primitive data types, including aggregates of primitive data types, will be copied.

Example

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language	cpp

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