func (a *CharTermAttributeImpl) Clone() util.AttributeImpl {
clone := new(CharTermAttributeImpl)
// do a deep clone
clone.termBuffer = make([]rune, a.termLength)
copy(clone.termBuffer, a.termBuffer[:a.termLength])
clone.termLength = a.termLength
clone.bytes = util.NewBytesRefBuilder()
clone.bytes.Copy(a.bytes.Bytes())
return clone
}
func newTermsWriter(owner *BlockTreeTermsWriter,
fieldInfo *FieldInfo) *TermsWriter {
owner.postingsWriter.SetField(fieldInfo)
ans := &TermsWriter{
owner: owner,
fieldInfo: fieldInfo,
lastTerm: util.NewBytesRefBuilder(),
prefixStarts: make([]int, 8),
suffixWriter: store.NewRAMOutputStreamBuffer(),
statsWriter: store.NewRAMOutputStreamBuffer(),
metaWriter: store.NewRAMOutputStreamBuffer(),
bytesWriter: store.NewRAMOutputStreamBuffer(),
}
ans.longsSize = owner.postingsWriter.SetField(fieldInfo)
ans.longs = make([]int64, ans.longsSize)
return ans
}
func newSegmentTermsEnum(r *FieldReader) *SegmentTermsEnum {
ans := &SegmentTermsEnum{
fr: r,
stack: make([]*segmentTermsEnumFrame, 0),
scratchReader: store.NewEmptyByteArrayDataInput(),
term: util.NewBytesRefBuilder(),
arcs: make([]*fst.Arc, 1),
}
ans.TermsEnumImpl = NewTermsEnumImpl(ans)
// fmt.Printf("BTTR.init seg=%v\n", r.parent.segment)
// Used to hold seek by TermState, or cached seek
ans.staticFrame = newFrame(ans, -1)
if r.index != nil {
ans.fstReader = r.index.BytesReader()
}
// Init w/ root block; don't use index since it may
// not (and need not) have been loaded
for i, _ := range ans.arcs {
ans.arcs[i] = &fst.Arc{}
}
ans.currentFrame = ans.staticFrame
var arc *fst.Arc
if r.index != nil {
arc = r.index.FirstArc(ans.arcs[0])
// Empty string prefix must have an output in the index!
if !arc.IsFinal() {
panic("assert fail")
}
}
ans.validIndexPrefix = 0
// fmt.Printf("init frame state %v\n", ans.currentFrame.ord)
ans.printSeekState()
// ans.computeBlockStats()
return ans
}
func newCharTermAttributeImpl() *CharTermAttributeImpl {
return &CharTermAttributeImpl{
termBuffer: make([]rune, util.Oversize(MIN_BUFFER_SIZE, util.NUM_BYTES_CHAR)),
bytes: util.NewBytesRefBuilder(),
}
}
