forked from Shiloh/githaven
106 lines
2.1 KiB
Go
106 lines
2.1 KiB
Go
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package hbase
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import (
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"strings"
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pb "github.com/golang/protobuf/proto"
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"github.com/juju/errors"
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"github.com/pingcap/go-hbase/proto"
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)
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type Get struct {
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Row []byte
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Families set
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FamilyQuals map[string]set
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Versions int32
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TsRangeFrom uint64
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TsRangeTo uint64
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}
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func NewGet(row []byte) *Get {
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return &Get{
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Row: append([]byte(nil), row...),
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Families: newSet(),
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FamilyQuals: make(map[string]set),
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Versions: 1,
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}
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}
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func (g *Get) GetRow() []byte {
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return g.Row
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}
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func (g *Get) AddString(famqual string) error {
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parts := strings.Split(famqual, ":")
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if len(parts) > 2 {
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return errors.Errorf("Too many colons were found in the family:qualifier string. '%s'", famqual)
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} else if len(parts) == 2 {
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g.AddStringColumn(parts[0], parts[1])
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} else {
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g.AddStringFamily(famqual)
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}
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return nil
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}
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func (g *Get) AddColumn(family, qual []byte) *Get {
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g.AddFamily(family)
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g.FamilyQuals[string(family)].add(string(qual))
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return g
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}
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func (g *Get) AddStringColumn(family, qual string) *Get {
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return g.AddColumn([]byte(family), []byte(qual))
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}
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func (g *Get) AddFamily(family []byte) *Get {
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g.Families.add(string(family))
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if _, ok := g.FamilyQuals[string(family)]; !ok {
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g.FamilyQuals[string(family)] = newSet()
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}
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return g
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}
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func (g *Get) AddStringFamily(family string) *Get {
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return g.AddFamily([]byte(family))
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}
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func (g *Get) AddTimeRange(from uint64, to uint64) *Get {
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g.TsRangeFrom = from
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g.TsRangeTo = to
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return g
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}
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func (g *Get) SetMaxVersion(maxVersion int32) *Get {
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g.Versions = maxVersion
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return g
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}
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func (g *Get) ToProto() pb.Message {
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get := &proto.Get{
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Row: g.Row,
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}
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if g.TsRangeFrom != 0 && g.TsRangeTo != 0 && g.TsRangeFrom <= g.TsRangeTo {
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get.TimeRange = &proto.TimeRange{
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From: pb.Uint64(g.TsRangeFrom),
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To: pb.Uint64(g.TsRangeTo),
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}
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}
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for v := range g.Families {
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col := &proto.Column{
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Family: []byte(v),
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}
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var quals [][]byte
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for qual := range g.FamilyQuals[v] {
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quals = append(quals, []byte(qual))
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}
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col.Qualifier = quals
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get.Column = append(get.Column, col)
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}
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get.MaxVersions = pb.Uint32(uint32(g.Versions))
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return get
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}
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