C++ (Cpp) MultiDatabase::Get Examples

Example #1

File: db_ut.cpp Project: BLiYing/phxpaxos

TEST(MultiDatabase, PUT_GET)
{
	int iGroupCount = 2;
	MultiDatabase oDB;
	ASSERT_TRUE(InitDB(iGroupCount, oDB) == 0);

	const uint64_t llInstanceID = 3;
	std::string sValue = "hello paxos";
	
	for (int iGroupIdx = 0; iGroupIdx < iGroupCount; iGroupIdx++)
	{
		std::string sGetValue;
		ASSERT_TRUE(oDB.Get(iGroupIdx, llInstanceID, sGetValue) == 1);
	}

	for (int iGroupIdx = 0; iGroupIdx < iGroupCount; iGroupIdx++)
	{
		WriteOptions oWriteOptions;
		oWriteOptions.bSync = true;

		ASSERT_TRUE(oDB.Put(oWriteOptions, iGroupIdx, llInstanceID, sValue) == 0);
	}

	for (int iGroupIdx = 0; iGroupIdx < iGroupCount; iGroupIdx++)
	{
		std::string sGetValue;

		ASSERT_TRUE(oDB.Get(iGroupIdx, llInstanceID, sGetValue) == 0);
	}
}

Example #2

File: paxos_log_tools.cpp Project: LngMH/phxpaxos

void DelInstance(const int iGroupIdx, MultiDatabase & oLogStorage, uint64_t llInstanceID)
{
    string sValue;
    int ret = oLogStorage.Get(iGroupIdx, llInstanceID, sValue);
    if (ret != 0)
    {
        printf("get this instance %lu fail, do you want to delete it? (y/n)\n", llInstanceID);
    }
    else
    {
        printf("this instance %lu value size is %zu, do you want to delete it? (y/n)\n", 
                llInstanceID, sValue.size());
    }

    string c = "n";
    cin >> c;

    if (c == "y")
    {
        WriteOptions oWriteOptions;
        oWriteOptions.bSync = true;
        ret = oLogStorage.ForceDel(oWriteOptions, iGroupIdx, llInstanceID);
        if (ret != 0)
        {
            printf("delete instance %lu fail\n", llInstanceID);
        }
        else
        {
            printf("delete instance %lu ok\n", llInstanceID);
        }
    }
}