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sessionImpl.go
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sessionImpl.go
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// MIT License
//
// Copyright (c) 2020 codingfinest
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package gogm
import (
"github.com/neo4j/neo4j-go-driver/v4/neo4j"
)
type SessionImpl struct {
cypherExecuter *cypherExecuter
saver *saver
loader *loader
deleter *deleter
queryer *queryer
transactioner *transactioner
store store
registry *registry
driver neo4j.Driver
eventer *eventer
}
func LoadGeneric[MemberType Member](session *SessionImpl, object *MemberType, ID any, loadOptions *LoadOptions) error {
return session.Load(object, ID, loadOptions)
}
func LoadAllGeneric[MemberType Member](session *SessionImpl, object *[]MemberType, ID any, loadOptions *LoadOptions) error {
return session.LoadAll(object, ID, loadOptions)
}
func SaveGeneric[MemberType Member](session *SessionImpl, object *MemberType, saveOptions *SaveOptions) error {
return session.Save(object, saveOptions)
}
func (s *SessionImpl) Load(object any, ID any, loadOptions *LoadOptions) error {
_, err := s.loader.load(object, ID, loadOptions, false)
return err
}
func (s *SessionImpl) LoadAll(objects any, IDs any, loadOptions *LoadOptions) error {
return s.loader.loadAll(objects, IDs, loadOptions)
}
//TODO: Need to rework these functions back into instances and create generics for them
func (s *SessionImpl) Reload(objects ...any) error {
return s.loader.reload(objects...)
}
func (s *SessionImpl) Save(objects any, saveOptions *SaveOptions) error {
return s.saver.save(objects, saveOptions)
}
func (s *SessionImpl) Delete(object any) error {
return s.deleter.delete(object)
}
func (s *SessionImpl) DeleteAll(objects any, deleteOptions *DeleteOptions) error {
return s.deleter.deleteAll(objects, deleteOptions)
}
func (s *SessionImpl) PurgeDatabase() error {
var err error
if err = s.deleter.purgeDatabase(); err != nil {
return err
}
return s.store.clear()
}
func (s *SessionImpl) Clear() error {
return s.store.clear()
}
func (s *SessionImpl) BeginTransaction() (*Transaction, error) {
return s.transactioner.beginTransaction(s)
}
func (s *SessionImpl) GetTransaction() *Transaction {
return s.transactioner.transaction
}
//Precondition:
// * object is a pointer to a pointer of domain object: **<domainObject>
// * cypher returns one record with a column of domain object(s)
// * database entity type - node/relationhip - returned by cypher matches the domain object type - node/relationship
// * it is the user's resposibility to make sure the database object returned by cypher are unloadable into domain object
//
//Post condition:
//Polulated domain objects
func (s *SessionImpl) QueryForObject(object any, cypher string, parameters map[string]any) error {
return s.queryer.queryForObject(object, cypher, parameters)
}
//Precondition:
// * objects is a pointer to slice of pointers to domain objects: *[]*<domainObject>
// * cypher returns one or more record(s) with a column of domain object(s)
// * database entity type - node/relationhip - returned by cypher matches the domain object type -node/relationship
// * it is the user's resposibility to make sure that database objects returned by cypher are unloadable into the domain object
//
//Post condition:
//Polulated domain objects
func (s *SessionImpl) QueryForObjects(objects any, cypher string, parameters map[string]any) error {
return s.queryer.queryForObjects(objects, cypher, parameters)
}
func (s *SessionImpl) Query(cypher string, parameters map[string]any, objects ...any) ([]map[string]any, error) {
return s.queryer.query(cypher, parameters, objects...)
}
func (s *SessionImpl) CountEntitiesOfType(object any) (int64, error) {
return s.queryer.countEntitiesOfType(object)
}
func (s *SessionImpl) Count(cypher string, parameters map[string]any) (int64, error) {
return s.queryer.count(cypher, parameters)
}
func (s *SessionImpl) RegisterEventListener(eventListener EventListener) error {
return s.eventer.registerEventListener(eventListener)
}
func (s *SessionImpl) DisposeEventListener(eventListener EventListener) error {
return s.eventer.disposeEventListener(eventListener)
}