github.com/adnan-c/fabric_e2e_couchdb@v0.6.1-preview.0.20170228180935-21ce6b23cf91/orderer/ledger/fsledger/ledger_interface.go (about) 1 /* 2 Copyright IBM Corp. 2016 All Rights Reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package fsledger 18 19 import ( 20 commonledger "github.com/hyperledger/fabric/common/ledger" 21 ) 22 23 // OrdererLedger implements methods required by 'orderer ledger' 24 type OrdererLedger interface { 25 commonledger.Ledger 26 } 27 28 // OrdererLedgerProvider provides handle to raw ledger instances 29 type OrdererLedgerProvider interface { 30 // Create creates a new ledger with a given unique id 31 Create(ledgerID string) (OrdererLedger, error) 32 // Open opens an already created ledger 33 Open(ledgerID string) (OrdererLedger, error) 34 // Exists tells whether the ledger with given id exits 35 Exists(ledgerID string) (bool, error) 36 // List lists the ids of the existing ledgers 37 List() ([]string, error) 38 // Close closes the ValidatedLedgerProvider 39 Close() 40 }