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dao.go
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dao.go
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/*
* Copyright (c) 2019-2022. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
// Package bleve provides tools for using Bolt as a standard persistence layer for services.
package bleve
import (
"context"
"fmt"
"github.com/pydio/cells/v4/common/dao"
"github.com/pydio/cells/v4/common/utils/configx"
)
const Driver = "bleve"
func init() {
dao.RegisterDAODriver(Driver, NewDAO, func(ctx context.Context, driver, dsn string) dao.ConnDriver {
return new(BleveConfig)
})
dao.RegisterIndexerDriver(Driver, NewIndexer)
}
// DAO defines the functions specific to the boltdb dao
type DAO interface {
dao.DAO
BleveConfig(context.Context) (*BleveConfig, error)
}
// Handler for the main functions of the DAO
type Handler struct {
dao.DAO
}
// NewDAO creates a new handler for the boltdb dao
func NewDAO(ctx context.Context, driver string, dsn string, prefix string) (dao.DAO, error) {
conn, err := dao.NewConn(ctx, driver, dsn)
if err != nil {
return nil, err
}
return &Handler{
DAO: dao.AbstractDAO(conn, driver, dsn, prefix),
}, nil
}
// Init initialises the handler
func (h *Handler) Init(context.Context, configx.Values) error {
return nil
}
// BleveConfig returns the folder to lookup for bleve index
func (h *Handler) BleveConfig(ctx context.Context) (*BleveConfig, error) {
if h == nil {
return nil, fmt.Errorf("uninitialized handler")
}
if conn, err := h.GetConn(ctx); err == nil && conn != nil {
return conn.(*BleveConfig), nil
} else if err != nil {
return nil, err
}
return &BleveConfig{}, nil
}
// LocalAccess overrides DAO
func (h *Handler) LocalAccess() bool {
return true
}