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  }