func newFieldReader(owner *BlockTreeTermsReader,
fieldInfo FieldInfo, numTerms int64, rootCode []byte,
sumTotalTermFreq, sumDocFreq int64, docCount int32, indexStartFP int64,
indexIn store.IndexInput) (r FieldReader, err error) {
log.Print("Initializing FieldReader...")
if numTerms <= 0 {
panic("assert fail")
}
// assert numTerms > 0
r = FieldReader{
BlockTreeTermsReader: owner,
fieldInfo: fieldInfo,
numTerms: numTerms,
sumTotalTermFreq: sumTotalTermFreq,
sumDocFreq: sumDocFreq,
docCount: docCount,
indexStartFP: indexStartFP,
rootCode: rootCode,
}
log.Printf("BTTR: seg=%v field=%v rootBlockCode=%v divisor=",
owner.segment, fieldInfo.name, rootCode)
in := store.NewByteArrayDataInput(rootCode)
n, err := in.ReadVLong()
if err != nil {
return r, err
}
r.rootBlockFP = int64(uint64(n) >> BTT_OUTPUT_FLAGS_NUM_BITS)
if indexIn != nil {
clone := indexIn.Clone()
log.Printf("start=%v field=%v", indexStartFP, fieldInfo.name)
clone.Seek(indexStartFP)
r.index, err = util.LoadFST(clone, util.ByteSequenceOutputsSingleton())
}
return r, err
}
func (e *SegmentTermsEnum) printSeekState() {
if e.currentFrame == e.staticFrame {
log.Println(" no prior seek")
} else {
log.Println(" prior seek state:")
ord := 0
isSeekFrame := true
for {
f := e.frame(ord)
if f == nil {
panic("assert fail")
}
prefix := e.term[0:f.prefix]
if f.nextEnt == -1 {
action := "(next)"
if isSeekFrame {
action = "(seek)"
}
fpOrigValue := ""
if f.isFloor {
fpOrigValue = fmt.Sprintf(" (fpOrig=%v", f.fpOrig)
}
code := (f.fp << BTT_OUTPUT_FLAGS_NUM_BITS)
if f.hasTerms {
code += BTT_OUTPUT_FLAG_HAS_TERMS
}
if f.isFloor {
code += BTT_OUTPUT_FLAG_IS_FLOOR
}
log.Printf(" frame %v ord=%v fp=%v%v prefixLen=%v prefix=%v hasTerms=%v isFloor=%v code=%v isLastInFloor=%v mdUpto=%v tbOrd=%v",
action, ord, f.fp, fpOrigValue, f.prefix, prefix, f.hasTerms, f.isFloor, code, f.isLastInFloor, f.metaDataUpto, f.getTermBlockOrd())
} else {
action := "(next, loaded)"
if isSeekFrame {
action = "(seek, loaded)"
}
fpOrigValue := ""
if f.isFloor {
fpOrigValue = fmt.Sprintf(" (fpOrig=%v", f.fpOrig)
}
code := (f.fp << BTT_OUTPUT_FLAGS_NUM_BITS)
if f.hasTerms {
code += BTT_OUTPUT_FLAG_HAS_TERMS
}
if f.isFloor {
code += BTT_OUTPUT_FLAG_IS_FLOOR
}
log.Printf(" frame %v ord=%v fp=%v prefixLen=%v prefix=%v nextEnt=%v (of %v) hasTerms=%v isFloor=%v code=%v lastSubFP=%v isLastInFloor=%v mdUpto=%v tbOrd=%v",
action, ord, f.fp, fpOrigValue, f.prefix, prefix, f.nextEnt, f.entCount, f.hasTerms, f.isFloor, code, f.lastSubFP, f.isLastInFloor, f.metaDataUpto, f.getTermBlockOrd())
}
if e.index != nil {
if isSeekFrame && f.arc == nil {
log.Printf("isSeekFrame=%v f.arc=%v", isSeekFrame, f.arc)
panic("assert fail")
}
ret, err := util.GetFSTOutput(e.index, prefix)
if err != nil {
panic(err)
}
output := ret.([]byte)
if output == nil {
log.Println(" broken seek state: prefix is not final in index")
panic("seek state is broken")
} else if isSeekFrame && !f.isFloor {
reader := store.NewByteArrayDataInput(output)
codeOrig, _ := reader.ReadVLong()
code := f.fp << BTT_OUTPUT_FLAGS_NUM_BITS
if f.hasTerms {
code += BTT_OUTPUT_FLAG_HAS_TERMS
}
if f.isFloor {
code += BTT_OUTPUT_FLAG_IS_FLOOR
}
if codeOrig != code {
log.Printf(" broken seek state: output code=%v doesn't match frame code=%v", codeOrig, code)
panic("seek state is broken")
}
}
}
if f == e.currentFrame {
break
}
if f.prefix == e.validIndexPrefix {
isSeekFrame = false
}
ord++
}
}
}
