Snapshot::Snapshot(JNIEnv* env)
{
initElementNames();
// The root entity is not visible to the end user
rootEntity = addEntityToEntity(env, NULL, "root");
// System entity is actually the root SQLM_ELM_COLLECTED
systemEntity = NULL;
}
int DLLEXPORT SMO_getElementName(SMOutputAPI* smoapi, SMO_elementType type,
int index, char* name, int* length)
//
// Purpose: Given an element index returns the element name.
//
// Note: The caller is responsible for allocating memory for the char array
// name. The caller passes the length of the array allocated and the length
// of the name requested is returned. The name may be truncated if an array of
// adequate length is not passed.
//
{
int idx, errorcode = 0;
// Initialize the name array if necessary
if (smoapi->elementNames == NULL) initElementNames(smoapi);
switch (type)
{
case subcatch: if (index < 0 || index >= smoapi->Nsubcatch) errorcode = 423;
else idx = index;
break;
case node: if (index < 0 || index >= smoapi->Nnodes) errorcode = 423;
else idx = smoapi->Nsubcatch + index;
break;
case link: if (index < 0 || index >= smoapi->Nlinks) errorcode = 423;
else idx = smoapi->Nsubcatch + smoapi->Nnodes + index;
break;
case sys: if (index < 0 || index >= smoapi->Npolluts) errorcode = 423;
else idx = smoapi->Nsubcatch + smoapi->Nnodes + smoapi->Nlinks + index;
break;
default: errorcode = 421;
}
if (!errorcode) {
strncpy(name, smoapi->elementNames[idx].IDname, *length);
*length = smoapi->elementNames[idx].length;
}
return errorcode;
}
