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