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- package hbase
- import (
- "context"
- "github.com/seaweedfs/seaweedfs/weed/filer"
- "github.com/tsuna/gohbase/hrpc"
- "time"
- )
- const (
- COLUMN_NAME = "a"
- )
- func (store *HbaseStore) KvPut(ctx context.Context, key []byte, value []byte) (err error) {
- return store.doPut(ctx, store.cfKv, key, value, 0)
- }
- func (store *HbaseStore) KvGet(ctx context.Context, key []byte) (value []byte, err error) {
- return store.doGet(ctx, store.cfKv, key)
- }
- func (store *HbaseStore) KvDelete(ctx context.Context, key []byte) (err error) {
- return store.doDelete(ctx, store.cfKv, key)
- }
- func (store *HbaseStore) doPut(ctx context.Context, cf string, key, value []byte, ttlSecond int32) (err error) {
- if ttlSecond > 0 {
- return store.doPutWithOptions(ctx, cf, key, value, hrpc.Durability(hrpc.AsyncWal), hrpc.TTL(time.Duration(ttlSecond)*time.Second))
- }
- return store.doPutWithOptions(ctx, cf, key, value, hrpc.Durability(hrpc.AsyncWal))
- }
- func (store *HbaseStore) doPutWithOptions(ctx context.Context, cf string, key, value []byte, options ...func(hrpc.Call) error) (err error) {
- values := map[string]map[string][]byte{cf: map[string][]byte{}}
- values[cf][COLUMN_NAME] = value
- putRequest, err := hrpc.NewPut(ctx, store.table, key, values, options...)
- if err != nil {
- return err
- }
- _, err = store.Client.Put(putRequest)
- if err != nil {
- return err
- }
- return nil
- }
- func (store *HbaseStore) doGet(ctx context.Context, cf string, key []byte) (value []byte, err error) {
- family := map[string][]string{cf: {COLUMN_NAME}}
- getRequest, err := hrpc.NewGet(context.Background(), store.table, key, hrpc.Families(family))
- if err != nil {
- return nil, err
- }
- getResp, err := store.Client.Get(getRequest)
- if err != nil {
- return nil, err
- }
- if len(getResp.Cells) == 0 {
- return nil, filer.ErrKvNotFound
- }
- return getResp.Cells[0].Value, nil
- }
- func (store *HbaseStore) doDelete(ctx context.Context, cf string, key []byte) (err error) {
- values := map[string]map[string][]byte{cf: map[string][]byte{}}
- values[cf][COLUMN_NAME] = nil
- deleteRequest, err := hrpc.NewDel(ctx, store.table, key, values, hrpc.Durability(hrpc.AsyncWal))
- if err != nil {
- return err
- }
- _, err = store.Client.Delete(deleteRequest)
- if err != nil {
- return err
- }
- return nil
- }
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