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Merge {init,open,load}.go into db.go

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The functions are too small to justify a single file each. The repl file
is left out as semantically unrelated.
This commit is contained in:
kortschak 2014-08-08 10:32:58 +09:30
parent 979a0c4aee
commit 088e73a163
4 changed files with 80 additions and 121 deletions
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24
db/load.go → db/db.go
View file

@ -15,13 +15,37 @@
package db
import (
"errors"
"fmt"
"io"
"github.com/barakmich/glog"
"github.com/google/cayley/config"
"github.com/google/cayley/graph"
"github.com/google/cayley/quad"
)
var ErrNotPersistent = errors.New("database type is not persistent")
func Init(cfg *config.Config) error {
if !graph.IsPersistent(cfg.DatabaseType) {
return fmt.Errorf("ignoring unproductive database initialization request: %v", ErrNotPersistent)
}
return graph.InitTripleStore(cfg.DatabaseType, cfg.DatabasePath, cfg.DatabaseOptions)
}
func Open(cfg *config.Config) (graph.TripleStore, error) {
glog.Infof("Opening database %q at %s", cfg.DatabaseType, cfg.DatabasePath)
ts, err := graph.NewTripleStore(cfg.DatabaseType, cfg.DatabasePath, cfg.DatabaseOptions)
if err != nil {
return nil, err
}
return ts, nil
}
func Load(ts graph.TripleStore, cfg *config.Config, dec quad.Unmarshaler) error {
bulker, canBulk := ts.(graph.BulkLoader)
if canBulk {

33
db/init.go
View file

@ -1,33 +0,0 @@
// Copyright 2014 The Cayley Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package db
import (
"errors"
"fmt"
"github.com/google/cayley/config"
"github.com/google/cayley/graph"
)
var ErrNotPersistent = errors.New("database type is not persistent")
func Init(cfg *config.Config) error {
if !graph.IsPersistent(cfg.DatabaseType) {
return fmt.Errorf("ignoring unproductive database initialization request: %v", ErrNotPersistent)
}
return graph.InitTripleStore(cfg.DatabaseType, cfg.DatabasePath, cfg.DatabaseOptions)
}

32
db/open.go
View file

@ -1,32 +0,0 @@
// Copyright 2014 The Cayley Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package db
import (
"github.com/barakmich/glog"
"github.com/google/cayley/config"
"github.com/google/cayley/graph"
)
func Open(cfg *config.Config) (graph.TripleStore, error) {
glog.Infof("Opening database %q at %s", cfg.DatabaseType, cfg.DatabasePath)
ts, err := graph.NewTripleStore(cfg.DatabaseType, cfg.DatabasePath, cfg.DatabaseOptions)
if err != nil {
return nil, err
}
return ts, nil
}