github.com/defanghe/fabric@v2.1.1+incompatible/core/ledger/pvtdatastorage/persistent_msgs_helper.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package pvtdatastorage
     8  
     9  func newExpiryData() *ExpiryData {
    10  	return &ExpiryData{Map: make(map[string]*Collections)}
    11  }
    12  
    13  func (e *ExpiryData) getOrCreateCollections(ns string) *Collections {
    14  	collections, ok := e.Map[ns]
    15  	if !ok {
    16  		collections = &Collections{
    17  			Map:            make(map[string]*TxNums),
    18  			MissingDataMap: make(map[string]bool)}
    19  		e.Map[ns] = collections
    20  	} else {
    21  		// due to protobuf encoding/decoding, the previously
    22  		// initialized map could be a nil now due to 0 length.
    23  		// Hence, we need to reinitialize the map.
    24  		if collections.Map == nil {
    25  			collections.Map = make(map[string]*TxNums)
    26  		}
    27  		if collections.MissingDataMap == nil {
    28  			collections.MissingDataMap = make(map[string]bool)
    29  		}
    30  	}
    31  	return collections
    32  }
    33  
    34  func (e *ExpiryData) addPresentData(ns, coll string, txNum uint64) {
    35  	collections := e.getOrCreateCollections(ns)
    36  
    37  	txNums, ok := collections.Map[coll]
    38  	if !ok {
    39  		txNums = &TxNums{}
    40  		collections.Map[coll] = txNums
    41  	}
    42  	txNums.List = append(txNums.List, txNum)
    43  }
    44  
    45  func (e *ExpiryData) addMissingData(ns, coll string) {
    46  	collections := e.getOrCreateCollections(ns)
    47  	collections.MissingDataMap[coll] = true
    48  }
    49  
    50  func newCollElgInfo(nsCollMap map[string][]string) *CollElgInfo {
    51  	m := &CollElgInfo{NsCollMap: map[string]*CollNames{}}
    52  	for ns, colls := range nsCollMap {
    53  		collNames, ok := m.NsCollMap[ns]
    54  		if !ok {
    55  			collNames = &CollNames{}
    56  			m.NsCollMap[ns] = collNames
    57  		}
    58  		collNames.Entries = colls
    59  	}
    60  	return m
    61  }