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Golang roachpb.RaftTruncatedState類代碼示例

本文整理匯總了Golang中github.com/cockroachdb/cockroach/roachpb.RaftTruncatedState的典型用法代碼示例。如果您正苦於以下問題:Golang RaftTruncatedState類的具體用法?Golang RaftTruncatedState怎麽用?Golang RaftTruncatedState使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


在下文中一共展示了RaftTruncatedState類的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: raftTruncatedStateLocked

// raftTruncatedStateLocked returns metadata about the log that preceded the
// first current entry. This includes both entries that have been compacted away
// and the dummy entries that make up the starting point of an empty log.
// raftTruncatedStateLocked requires that the replica lock be held.
func (r *Replica) raftTruncatedStateLocked() (roachpb.RaftTruncatedState, error) {
	if r.mu.truncatedState != nil {
		return *r.mu.truncatedState, nil
	}
	ts := roachpb.RaftTruncatedState{}
	ok, err := engine.MVCCGetProto(r.store.Engine(), keys.RaftTruncatedStateKey(r.RangeID),
		roachpb.ZeroTimestamp, true, nil, &ts)
	if err != nil {
		return ts, err
	}
	if !ok {
		if r.isInitializedLocked() {
			// If we created this range, set the initial log index/term.
			ts.Index = raftInitialLogIndex
			ts.Term = raftInitialLogTerm
		} else {
			// This is a new range we are receiving from another node. Start
			// from zero so we will receive a snapshot.
			ts.Index = 0
			ts.Term = 0
		}
	}

	if ts.Index != 0 {
		r.mu.truncatedState = &ts
	}
	return ts, nil
}
開發者ID:cuongdo,項目名稱:cockroach,代碼行數:32,代碼來源:replica_raftstorage.go

示例2: raftTruncatedState

func raftTruncatedState(eng engine.Engine, rangeID roachpb.RangeID, isInitialized bool) (roachpb.RaftTruncatedState, error) {
	ts := roachpb.RaftTruncatedState{}
	ok, err := engine.MVCCGetProto(context.Background(), eng, keys.RaftTruncatedStateKey(rangeID),
		roachpb.ZeroTimestamp, true, nil, &ts)
	if err != nil {
		return ts, err
	}
	if !ok {
		if isInitialized {
			// If we created this range, set the initial log index/term.
			ts.Index = raftInitialLogIndex
			ts.Term = raftInitialLogTerm
		} else {
			// This is a new range we are receiving from another node. Start
			// from zero so we will receive a snapshot.
			ts.Index = 0
			ts.Term = 0
		}
	}
	return ts, nil
}
開發者ID:GitGoldie,項目名稱:cockroach,代碼行數:21,代碼來源:replica_raftstorage.go


注:本文中的github.com/cockroachdb/cockroach/roachpb.RaftTruncatedState類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。