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EdmiError edmiValueIn(SdaiAggr aggr,
SdaiPrimitiveType dataType,
SdaiLogical *result,
. . .);
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Implements the Express built in function Value_In as defined in section 15.28 Value_in – membership function; in ISO 10303-11:1994(E) : The EXPRESS Language Reference Manual.
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The Value_in function returns a SdaiLogical value depending on whether or not the specified <value> is a member in the specified <aggr> or not. This operation uses value comparison (deep comparison).
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This operation is only applicable on data models. The actual data model must be open before this operation can be successfully performed.
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Arguments
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| Type | Name | Comment | |
| SdaiAggr | aggr | A numeric aggregateID that uniquely identifies the aggregate of interest in the EDMdatabase. | The aggregateID is returned when the aggregate is created or it can be retrieved with an EDMinterface get operation. |
| SdaiPrimitiveType | dataType | Specifies the data type ( primitive type) of the specified <value> argument that will be checked for existing in the specified <aggr> argument. | The value of this argument must be one of the following legal data types: sdaiINTEGER, sdaiREAL, sdaiBOOLEAN, sdaiLOGICAL, sdaiSTRING, sdaiENUMERATION, sdaiBINARY, sdaiAGGR, sdaiINSTANCE or sdaiSELECT. |
| SdaiLogical | result | Address of a SdaiLogical variable that will receive the result of the Value_In operation. The returned result is as follows:
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value | The actual data value passed to the Value_In operation. |
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Return Value
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Options
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Example
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EdmiError rstat; SdaiAggr aggr; SdaiLogical result; SdaiInstance documentId; . . . if (rstat = edmiValueIn (aggr, sdaiINSTANCE, &result, documentId)) { /* Error in operation */ printf("\nError: %s in edmiValueIn \n", |
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edmiGetErrorText(rstat)); |
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goto error; |
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} switch (result) { |
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case sdaiTRUE: |
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. . . /* Value found in aggregate */ |
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break; |
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case sdaiFALSE: |
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. . . /* Value not found in aggregate */ |
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break; |
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default: |
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. . . /* Unpredictable result */ |
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break; |
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}
. . . |
See also
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