func newIndexUsing(path string, mapping mapping.IndexMapping, indexType string, kvstore string, kvconfig map[string]interface{}) (*indexImpl, error) {
// first validate the mapping
err := mapping.Validate()
if err != nil {
return nil, err
}
if kvconfig == nil {
kvconfig = map[string]interface{}{}
}
if kvstore == "" {
return nil, fmt.Errorf("bleve not configured for file based indexing")
}
rv := indexImpl{
path: path,
name: path,
m: mapping,
meta: newIndexMeta(indexType, kvstore, kvconfig),
}
rv.stats = &IndexStat{i: &rv}
// at this point there is hope that we can be successful, so save index meta
if path != "" {
err = rv.meta.Save(path)
if err != nil {
return nil, err
}
kvconfig["create_if_missing"] = true
kvconfig["error_if_exists"] = true
kvconfig["path"] = indexStorePath(path)
} else {
kvconfig["path"] = ""
}
// open the index
indexTypeConstructor := registry.IndexTypeConstructorByName(rv.meta.IndexType)
if indexTypeConstructor == nil {
return nil, ErrorUnknownIndexType
}
rv.i, err = indexTypeConstructor(rv.meta.Storage, kvconfig, Config.analysisQueue)
if err != nil {
return nil, err
}
err = rv.i.Open()
if err != nil {
if err == index.ErrorUnknownStorageType {
return nil, ErrorUnknownStorageType
}
return nil, err
}
// now persist the mapping
mappingBytes, err := json.Marshal(mapping)
if err != nil {
return nil, err
}
err = rv.i.SetInternal(mappingInternalKey, mappingBytes)
if err != nil {
return nil, err
}
// mark the index as open
rv.mutex.Lock()
defer rv.mutex.Unlock()
rv.open = true
indexStats.Register(&rv)
return &rv, nil
}
