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system.go
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system.go
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// Copyright (c) 2013 Couchbase, Inc.
// 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 system
import (
"github.com/couchbaselabs/tuqtng/catalog"
"github.com/couchbaselabs/tuqtng/query"
)
const POOL_ID = "system"
const POOL_NAME = "system"
const BUCKET_NAME_SITES = "sites"
const BUCKET_NAME_POOLS = "pools"
const BUCKET_NAME_BUCKETS = "buckets"
const BUCKET_NAME_INDEXES = "indexes"
const BUCKET_NAME_DUAL = "dual"
type site struct {
actualSite catalog.Site
systemCatalogPool *pool
}
func (s *site) Id() string {
return s.actualSite.Id()
}
func (s *site) URL() string {
return s.actualSite.URL()
}
func (s *site) PoolIds() ([]string, query.Error) {
poolIds, err := s.actualSite.PoolIds()
if err != nil {
return nil, err
}
poolIds = append(poolIds, s.systemCatalogPool.Id())
return poolIds, err
}
func (s *site) PoolNames() ([]string, query.Error) {
poolNames, err := s.actualSite.PoolNames()
if err != nil {
return nil, err
}
poolNames = append(poolNames, s.systemCatalogPool.Name())
return poolNames, err
}
func (s *site) PoolById(id string) (catalog.Pool, query.Error) {
if id == POOL_ID {
return s.systemCatalogPool, nil
}
return s.actualSite.PoolById(id)
}
func (s *site) PoolByName(name string) (catalog.Pool, query.Error) {
if name == POOL_NAME {
return s.systemCatalogPool, nil
}
return s.actualSite.PoolByName(name)
}
func NewSite(actualSite catalog.Site) (catalog.Site, query.Error) {
s := &site{actualSite: actualSite}
e := s.loadPool()
if e != nil {
return nil, e
}
return s, e
}
func (s *site) loadPool() query.Error {
p, e := newPool(s)
if e != nil {
return e
}
s.systemCatalogPool = p
return nil
}