RockPaperScissors/node_modules/mysql/lib/PoolSelector.js
2021-12-02 17:22:41 +01:00

32 lines
588 B
JavaScript

/**
* PoolSelector
*/
var PoolSelector = module.exports = {};
PoolSelector.RR = function PoolSelectorRoundRobin() {
var index = 0;
return function(clusterIds) {
if (index >= clusterIds.length) {
index = 0;
}
var clusterId = clusterIds[index++];
return clusterId;
};
};
PoolSelector.RANDOM = function PoolSelectorRandom() {
return function(clusterIds) {
return clusterIds[Math.floor(Math.random() * clusterIds.length)];
};
};
PoolSelector.ORDER = function PoolSelectorOrder() {
return function(clusterIds) {
return clusterIds[0];
};
};