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//
// DISCLAIMER
//
// Copyright 2017 ArangoDB GmbH, Cologne, Germany
//
// 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.
//
// Copyright holder is ArangoDB GmbH, Cologne, Germany
//
// Author Ewout Prangsma
//
package driver
import (
"context"
"path"
)
// newGraph creates a new Graph implementation.
func newGraph(input graphDefinition, db *database) (Graph, error) {
if input.Name == "" {
return nil, WithStack(InvalidArgumentError{Message: "name is empty"})
}
if db == nil {
return nil, WithStack(InvalidArgumentError{Message: "db is nil"})
}
return &graph{
input: input,
db: db,
conn: db.conn,
}, nil
}
type graph struct {
input graphDefinition
db *database
conn Connection
}
func (g *graph) IsSmart() bool {
return g.input.IsSmart
}
func (g *graph) IsDisjoint() bool {
return g.input.IsDisjoint
}
func (g *graph) IsSatellite() bool {
return g.input.IsSatellite
}
// relPath creates the relative path to this graph (`_db/<db-name>/_api/gharial/<graph-name>`)
func (g *graph) relPath() string {
escapedName := pathEscape(g.Name())
return path.Join(g.db.relPath(), "_api", "gharial", escapedName)
}
// Name returns the name of the graph.
func (g *graph) Name() string {
return g.input.Name
}
// ID returns the id of the graph.
func (g *graph) ID() string {
return g.input.ID
}
// Key returns the key of the graph.
func (g *graph) Key() DocumentID {
return g.input.Key
}
// Key returns the key of the graph.
func (g *graph) Rev() string {
return g.input.Rev
}
// EdgeDefinitions returns the edge definitions of the graph.
func (g *graph) EdgeDefinitions() []EdgeDefinition {
return g.input.EdgeDefinitions
}
// IsSmart returns the isSmart setting of the graph.
func (g *graph) SmartGraphAttribute() string {
return g.input.SmartGraphAttribute
}
// MinReplicationFactor returns the minimum replication factor for the graph.
func (g *graph) MinReplicationFactor() int {
return g.input.MinReplicationFactor
}
// NumberOfShards returns the number of shards for the graph.
func (g *graph) NumberOfShards() int {
return g.input.NumberOfShards
}
// OrphanCollections returns the orphan collcetions of the graph.
func (g *graph) OrphanCollections() []string {
return g.input.OrphanCollections
}
// ReplicationFactor returns the current replication factor.
func (g *graph) ReplicationFactor() int {
return int(g.input.ReplicationFactor)
}
// WriteConcern returns the write concern setting of the graph.
func (g *graph) WriteConcern() int {
return g.input.WriteConcern
}
// Remove removes the entire graph.
// If the graph does not exist, a NotFoundError is returned.
func (g *graph) Remove(ctx context.Context) error {
req, err := g.conn.NewRequest("DELETE", g.relPath())
if err != nil {
return WithStack(err)
}
resp, err := g.conn.Do(ctx, req)
if err != nil {
return WithStack(err)
}
if err := resp.CheckStatus(201, 202); err != nil {
return WithStack(err)
}
return nil
}