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EdmiError edmiRemoteGetOpenMode(SdaiServerContext serverContextId,
SdaiInstance currInst,
SdaiAccessMode *openMode,
SdaiInvocationId *edmiInvocationId);
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Returns the current open mode of a model or repository within a locally connected database. This feature has been implemented to provide all EDMInterface functionality through the remote EDMInterface calls. Only applicaple applicable for the LOCAL_CONTEXT communication type. Related functions: edmiRemoteGetOpenModeBN, edmiRemoteChangeOpenMode, edmiRemoteChangeOpenModeBN
Header:
#include "sdai.h"
Prototype:
EdmiError edmiRemoteGetOpenMode(SdaiServerContext serverContextId,
SdaiInstance currInst,
SdaiAccessMode *openMode,
SdaiInvocationId *edmiInvocationId);
Arguments:
Arguments
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| Type | Name | Comment |
| SdaiServerContext | serverContextId | Context identification, from edmiDefineServerContext |
| SdaiInstance | currInst | A modelId or repositoryId that uniquely identifies a model or a repository within the _EDMdatabase{_}the EDMdatabase . This is the repository or model for which to get the current open mode. |
| SdaiAccessMode | openMode | A variable that will receive the current access mode to the model or repository. Possible access modes are sdaiRO, sdaiRW and sdaiNOACCESS. |
| 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 myLocalContext; SdaiModel modId; SdaiInteger index, nHits; SdaiInstance johnnysId; /* Define Remote Server Context */ rstat = edmiDefineServerContext("MyLocalContext", |
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NULL, NULL, NULL, "LOCAL_CONTEXT", NULL, NULL, |
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NULL, NULL, NULL, NULL, NULL, &myLocalContext); |
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/* Get the modelId of MyModel */ |
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rstat = edmiRemoteGetModelBN(myLocalContext, "DataRepository", |
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"MyModel", &modId, NULL); |
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/* Find Johnnys Id (Unique PID = 4572314) */ |
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rstat = edmiRemoteFindInstancesBN(myLocalContext, modId, |
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"Person", "PID = 4572314", sizeof(SdaiInstance), |
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&index, &nHits, &johnnysId, NULL); |
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/* If Johnny has a cellular |
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phone, then confiscate it */ |
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{ SdaiString _attrName = "CELLULAR"; |
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SdaiBoolean *_isSet; |
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SdaiAccessMode _openMode; |
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rstat = edmiRemoteTestAttrsBN(myLocalContext, johnnysId, |
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0, 1, &_attrName, &_isSet, NULL); |
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if (*_isSet) { |
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/* Get current open mode for MyMoodel */ |
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rstat = edmiRemoteGetOpenMode(myLocalContext, |
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modId, &_openMode, NULL); |
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if (_openMode != sdaiRW) { |
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/* Set write access to the model */ |
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rstat = edmiRemoteChangeOpenMode(myLocalContext, |
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modId, sdaiRW, NULL); |
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} /* Confiscate the cellular */ rstat = edmiStartModelWriteTransaction(modId); |
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rstat = edmiRemoteUnsetAttrsBN(myLocalContext, johnnysId, |
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1, &_attrName, NULL); |
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rstat = edmiCommitAllTransactions(); |
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/* Reset the initial open mode on the model */ |
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if (_openMode != sdaiRW) { |
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rstat = edmiRemoteChangeOpenModeBN(myLocalContext, |
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"MyRepository", "MyModel", _openMode, NULL); |
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}
}
}
. . . |
See also
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