本文整理汇总了Golang中github.com/balzaczyy/golucene/core/store.Directory.CreateOutput方法的典型用法代码示例。如果您正苦于以下问题:Golang Directory.CreateOutput方法的具体用法?Golang Directory.CreateOutput怎么用?Golang Directory.CreateOutput使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/balzaczyy/golucene/core/store.Directory
的用法示例。
在下文中一共展示了Directory.CreateOutput方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: writeSegmentsGen
/*
A utility for writing the SEGMENTS_GEN file to a Directory.
NOTE: this is an internal utility which is kept public so that it's
accessible by code from other packages. You should avoid calling this
method unless you're absolutely sure what you're doing!
*/
func writeSegmentsGen(dir store.Directory, generation int64) {
if err := func() (err error) {
var genOutput store.IndexOutput
genOutput, err = dir.CreateOutput(INDEX_FILENAME_SEGMENTS_GEN, store.IO_CONTEXT_READONCE)
if err != nil {
return err
}
defer func() {
err = mergeError(err, genOutput.Close())
err = mergeError(err, dir.Sync([]string{INDEX_FILENAME_SEGMENTS_GEN}))
}()
if err = genOutput.WriteInt(FORMAT_SEGMENTS_GEN_CURRENT); err == nil {
if err = genOutput.WriteLong(generation); err == nil {
if err = genOutput.WriteLong(generation); err == nil {
err = codec.WriteFooter(genOutput)
}
}
}
return err
}(); err != nil {
// It's OK if we fail to write this file since it's used only as
// one of the retry fallbacks.
dir.DeleteFile(INDEX_FILENAME_SEGMENTS_GEN)
// Ignore error; this file is only used in a retry fallback on init
}
}
示例2: Write
/*
Writes this vector to the file name in Directory d, in a format that
can be read by the constructor BitVector(Directory, String, IOContext)
*/
func (bv *BitVector) Write(d store.Directory, name string, ctx store.IOContext) (err error) {
assert(reflect.TypeOf(d).Name() != "CompoundFileDirectory")
var output store.IndexOutput
if output, err = d.CreateOutput(name, ctx); err != nil {
return err
}
defer func() {
err = mergeError(err, output.Close())
}()
if err = output.WriteInt(-2); err != nil {
return err
}
if err = codec.WriteHeader(output, CODEC, BV_VERSION_CURRENT); err != nil {
return err
}
if bv.isSparse() {
// sparse bit-set more efficiently saved as d-gaps.
err = bv.writeClearedDgaps(output)
} else {
err = bv.writeBits(output)
}
if err != nil {
return err
}
if err = codec.WriteFooter(output); err != nil {
return err
}
bv.assertCount()
return nil
}
示例3: Write
func (w *Lucene40SegmentInfoWriter) Write(dir store.Directory,
si *SegmentInfo, fis FieldInfos, ctx store.IOContext) (err error) {
filename := util.SegmentFileName(si.Name, "", LUCENE40_SI_EXTENSION)
si.AddFile(filename)
var output store.IndexOutput
output, err = dir.CreateOutput(filename, ctx)
if err != nil {
return err
}
var success = false
defer func() {
if !success {
util.CloseWhileSuppressingError(output)
si.Dir.DeleteFile(filename) // ignore error
} else {
err = mergeError(err, output.Close())
}
}()
err = codec.WriteHeader(output, LUCENE40_CODEC_NAME, LUCENE40_VERSION_CURRENT)
if err != nil {
return err
}
// Write the Lucene version that created this segment, since 3.1
err = store.Stream(output).WriteString(si.Version().String()).
WriteInt(int32(si.DocCount())).
WriteByte(func() byte {
if si.IsCompoundFile() {
return SEGMENT_INFO_YES
}
return byte((SEGMENT_INFO_NO + 256) % 256) // Go byte is non-negative, unlike Java
}()).WriteStringStringMap(si.Diagnostics()).
WriteStringStringMap(map[string]string{}).
WriteStringSet(si.Files()).Close()
if err != nil {
return err
}
success = true
return nil
}
示例4: write
func (sis *SegmentInfos) write(directory store.Directory) (err error) {
segmentsFilename := sis.nextSegmentFilename()
// Always advance the generation on write:
if sis.generation == -1 {
sis.generation = 1
} else {
sis.generation++
}
var segnOutput store.IndexOutput
var success = false
// var upgradedSIFiles = make(map[string]bool)
defer func() {
if !success {
// We hit an error above; try to close the file but suppress
// any errors
util.CloseWhileSuppressingError(segnOutput)
// for filename, _ := range upgradedSIFiles {
// directory.DeleteFile(filename) // ignore error
// }
// Try not to leave a truncated segments_N fle in the index:
directory.DeleteFile(segmentsFilename) // ignore error
}
}()
if segnOutput, err = directory.CreateOutput(segmentsFilename, store.IO_CONTEXT_DEFAULT); err != nil {
return
}
if err = codec.WriteHeader(segnOutput, "segments", VERSION_49); err != nil {
return
}
if err = segnOutput.WriteLong(sis.version); err == nil {
if err = segnOutput.WriteInt(int32(sis.counter)); err == nil {
err = segnOutput.WriteInt(int32(len(sis.Segments)))
}
}
if err != nil {
return
}
for _, siPerCommit := range sis.Segments {
si := siPerCommit.Info
if err = segnOutput.WriteString(si.Name); err == nil {
if err = segnOutput.WriteString(si.Codec().(Codec).Name()); err == nil {
if err = segnOutput.WriteLong(siPerCommit.DelGen()); err == nil {
assert2(siPerCommit.DelCount() >= 0 && siPerCommit.DelCount() <= si.DocCount(),
"cannot write segment: invalid docCount segment=%v docCount=%v delCount=%v",
si.Name, si.DocCount(), siPerCommit.DelCount())
if err = segnOutput.WriteInt(int32(siPerCommit.DelCount())); err == nil {
if err = segnOutput.WriteLong(siPerCommit.FieldInfosGen()); err == nil {
if err = segnOutput.WriteLong(siPerCommit.DocValuesGen()); err == nil {
if err = segnOutput.WriteStringSet(siPerCommit.FieldInfosFiles()); err == nil {
dvUpdatesFiles := siPerCommit.DocValuesUpdatesFiles()
if err = segnOutput.WriteInt(int32(len(dvUpdatesFiles))); err == nil {
for k, v := range dvUpdatesFiles {
if err = segnOutput.WriteInt(int32(k)); err != nil {
break
}
if err = segnOutput.WriteStringSet(v); err != nil {
break
}
}
}
}
}
}
}
}
}
}
if err != nil {
return
}
assert(si.Dir == directory)
// If this segment is pre-4.x, perform a one-time "upgrade" to
// write the .si file for it:
if version := si.Version(); len(version) == 0 || !version.OnOrAfter(util.VERSION_4_0) {
panic("not implemented yet")
}
}
if err = segnOutput.WriteStringStringMap(sis.userData); err != nil {
return
}
sis.pendingSegnOutput = segnOutput
success = true
return nil
}
示例5: NewCompressingStoredFieldsWriter
func NewCompressingStoredFieldsWriter(dir store.Directory, si *model.SegmentInfo,
segmentSuffix string, ctx store.IOContext, formatName string,
compressionMode CompressionMode, chunkSize int) (*CompressingStoredFieldsWriter, error) {
assert(dir != nil)
ans := &CompressingStoredFieldsWriter{
directory: dir,
segment: si.Name,
segmentSuffix: segmentSuffix,
compressionMode: compressionMode,
compressor: compressionMode.NewCompressor(),
chunkSize: chunkSize,
docBase: 0,
bufferedDocs: newGrowableByteArrayDataOutput(chunkSize),
numStoredFields: make([]int, 16),
endOffsets: make([]int, 16),
numBufferedDocs: 0,
}
var success = false
indexStream, err := dir.CreateOutput(util.SegmentFileName(si.Name, segmentSuffix,
lucene40.FIELDS_INDEX_EXTENSION), ctx)
if err != nil {
return nil, err
}
assert(indexStream != nil)
defer func() {
if !success {
util.CloseWhileSuppressingError(indexStream)
ans.Abort()
}
}()
ans.fieldsStream, err = dir.CreateOutput(util.SegmentFileName(si.Name, segmentSuffix,
lucene40.FIELDS_EXTENSION), ctx)
if err != nil {
return nil, err
}
codecNameIdx := formatName + CODEC_SFX_IDX
codecNameDat := formatName + CODEC_SFX_DAT
err = codec.WriteHeader(indexStream, codecNameIdx, VERSION_CURRENT)
if err != nil {
return nil, err
}
err = codec.WriteHeader(ans.fieldsStream, codecNameDat, VERSION_CURRENT)
if err != nil {
return nil, err
}
assert(int64(codec.HeaderLength(codecNameIdx)) == indexStream.FilePointer())
assert(int64(codec.HeaderLength(codecNameDat)) == ans.fieldsStream.FilePointer())
ans.indexWriter, err = NewStoredFieldsIndexWriter(indexStream)
if err != nil {
return nil, err
}
assert(ans.indexWriter != nil)
indexStream = nil
err = ans.fieldsStream.WriteVInt(int32(chunkSize))
if err != nil {
return nil, err
}
err = ans.fieldsStream.WriteVInt(packed.VERSION_CURRENT)
if err != nil {
return nil, err
}
success = true
return ans, nil
}
示例6: write
func (sis *SegmentInfos) write(directory store.Directory) error {
segmentsFilename := sis.nextSegmentFilename()
// Always advance the generation on write:
if sis.generation == -1 {
sis.generation = 1
} else {
sis.generation++
}
var segnOutput *store.ChecksumIndexOutput
var success = false
var upgradedSIFiles = make(map[string]bool)
defer func() {
if !success {
// We hit an error above; try to close the file but suppress
// any errors
util.CloseWhileSuppressingError(segnOutput)
for filename, _ := range upgradedSIFiles {
directory.DeleteFile(filename) // ignore error
}
// Try not to leave a truncated segments_N fle in the index:
directory.DeleteFile(segmentsFilename) // ignore error
}
}()
out, err := directory.CreateOutput(segmentsFilename, store.IO_CONTEXT_DEFAULT)
if err != nil {
return err
}
segnOutput = store.NewChecksumIndexOutput(out)
err = codec.WriteHeader(segnOutput, "segments", VERSION_40)
if err != nil {
return err
}
err = segnOutput.WriteLong(sis.version)
if err == nil {
err = segnOutput.WriteInt(int32(sis.counter))
if err == nil {
err = segnOutput.WriteInt(int32(len(sis.Segments)))
}
}
if err != nil {
return err
}
for _, siPerCommit := range sis.Segments {
si := siPerCommit.info
err = segnOutput.WriteString(si.Name)
if err == nil {
err = segnOutput.WriteString(si.Codec().(Codec).Name())
if err == nil {
err = segnOutput.WriteLong(siPerCommit.delGen)
if err == nil {
err = segnOutput.WriteInt(int32(siPerCommit.delCount))
}
}
}
if err != nil {
return err
}
assert(si.Dir == directory)
assert(siPerCommit.delCount <= si.DocCount())
// If this segment is pre-4.x, perform a one-time "upgrade" to
// write the .si file for it:
if version := si.Version(); version == "" || versionLess(version, "4.0") {
panic("not implemented yet")
}
}
err = segnOutput.WriteStringStringMap(sis.userData)
if err != nil {
return err
}
sis.pendingSegnOutput = segnOutput
success = true
return nil
}