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EdmiError edmiRemoteTestAttrsBN(SdaiServerContext serverContextId,
SdaiInstance instanceId,
SdaiVersion version,
SdaiInteger attributes,
SdaiString attributeNames[],
SdaiBoolean **valueSet,
SdaiInvocationId *edmiInvocationId);
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Determines whether one ore more attributes, identified by their names, of a specified instance, identified by its instanceId, are unset or have been assigned values. The attribute names are specified in the input buffer argument <attributeNames>. A buffer with the same number of booleans will be returned in the argument <valueSet>. Any unset attributes will have their corresponding elements in the <valueSet> buffer set to sdaiFALSE. Likewise, if an attribute is set, i.e has been assigned a value, the corresponding <valueSet> buffer element will be set to sdaiTRUE.
Related function: edmiRemoteTestAttrs
Header:
#include "sdai.h"
Prototype:
EdmiError edmiRemoteTestAttrsBN(SdaiServerContext serverContextId, SdaiInstance instanceId,
SdaiVersion version,
SdaiInteger attributes,
SdaiString attributeNames[],
SdaiBoolean **valueSet,
SdaiInvocationId *edmiInvocationId);
Arguments:
Arguments
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| Type | Name | Comment |
| SdaiServerContext | serverContextId | Context identification, from edmiDefineServerContext |
| SdaiInstance | instanceId | A numeric instanceID that uniquely identifies the instance of interrest interest in the remote _EDMdatabase{_}.remote EDMdatabase |
| SdaiVersion | version | The version of the edmModel to apply this fuction function call on. The version argument is a sequence number counting from one by increments of one for each new model version created. A zero version number means the current version of the edmModel. |
| SdaiInteger | attributes | The number of attribute names in the <attributeNames> argument. |
| SdaiString | attributeNames[] | A buffer containing all the attribute names to be checked. |
| SdaiBoolean | valueSet | A variable that will receive a pointer to a buffer of SdaiBoolean elements. Each element describes the set/unset status of the corresponding attribute specified in the <attributeNames> argument. |
| SdaiInvocationId | edmiInvocationId | Currently not used. |
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Return Value
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Options
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Example
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EdmiError rstat; SdaiServerContext myContext; SdaiQueryResult qexRes; SdaiInstance *pInst; SdaiInteger index = 0, nHits = 10000; SdaiBoolean isRevolvingDoor; /* Define Remote Server Context */ rstat = edmiDefineServerContext("MyRemoteServerContext", |
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"Johnny", "Supervisor", "cf37ftr", |
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"TCP", "9090", "MyServerHost", |
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NULL, NULL, NULL, NULL, NULL, &myContext); |
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/* Select all doors on first floor */ |
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rstat = edmiRemoteSelectInstances(myContext, |
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"DataRepository", "GeneralHospital", |
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"DOOR", "FLOOR = 1", SUBTYPES | ONLY_INSTANCE_IDS, |
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NULL, NULL, NULL, &index, &nHits, &qexRes, |
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NULL, NULL, NULL, NULL); |
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/* All doors shall open outwards, |
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unless already specified otherwise. |
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Leave revolving doors unchanged */ |
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pInst = qexRes->instanceIds; |
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while (pInst) { |
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rstat = edmiRemoteIsInstanceOfBN(myContext, |
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*pInst, "REVOLVING_DOOR", |
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&isRevolvingDoor, NULL); |
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if (! isRevolvingDoor) { |
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SdaiBoolean *_valSet; |
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SdaiString _attrName = "OPEN_DIRECTION"; |
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rstat = edmiRemoteTestAttrsBN(myContext, *pInst, 0, 1, |
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&_attrName, &_valSet, NULL); |
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if (! _valSet[0]) { |
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rstat = edmiRemotePutAttrsBN(myContext, *pInst, 1, NULL, |
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&_attrName, sdaiENUMERATION, "OPENDIR_OUTWARDS"); |
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}
}
}
. . . |
See also
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