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添加 list 相关接口 #3

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添加 list 相关接口 #3

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180 changes: 180 additions & 0 deletions SSDB.js
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Original file line number Diff line number Diff line change
Expand Up @@ -438,6 +438,186 @@ exports.connect = function(host, port, timeout, listener){
});
}

//////////////////////////////////////////////

// callback(err, size)
self.qsize = function(name, callback){
self.request('qsize', [name], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2){
var size = parseInt(resp[1]);
callback(err, size);
}else{
callback('error');
}
}
});
}


// callback(err, count)
self.qclear = function(name, callback){
self.request('qclear', [name], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
var count = parseInt(resp[1]);
callback(err, count);
} else {
callback('error');
}
}
});
}

// callback(err, item)
self.qfront = function(name, callback){
self.request('qfront', [name], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
var item = resp[1];
callback(err, item);
} else {
callback('error', null);
}
}
});
}

// callback(err, item)
self.qback = function(name, callback){
self.request('qback', [name], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
var item = resp[1];
callback(err, item);
} else {
callback('error', null);
}
}
});
}

// callback(err, item)
self.qget = function(name, index, callback){
self.request('qget', [name, index], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
var item = resp[1];
callback(err, item);
} else {
callback('error', null);
}
}
});
}

// callback(err, items)
self.qslice = function(name, begin, end, callback){
self.request('qslice', [name, begin, end], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length >= 2) {
var items = [];
for(var i = 1, l = resp.length; i < l; i++) {
items.push(resp[i]);
}
callback(err, items);
} else {
callback('error', null);
}
}
});
}

// callback(err, size)
self.qpush_front = function(name, item, callback){
var param = [name];
if(Object.prototype.toString.call(item) === '[object String]') {
param.push(item);
} else {
item.forEach(function(v, k){
param.push(v);
});
}
self.request('qpush_front', param, function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
self.qsize(name, function(_err, size) {
callback(err, size);
});
} else {
callback('error', null);
}
}
});
}

// callback(err, size)
self.qpush_back = function(name, item, callback){
var param = [name];
if(Object.prototype.toString.call(item) === '[object String]') {
param.push(item);
} else {
item.forEach(function(v, k){
param.push(v);
});
}
self.request('qpush_back', param, function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
self.qsize(name, function(_err, size) {
callback(err, size);
});
} else {
callback('error', null);
}
}
});
}

// callback(err, size)
self.qpush = self.qpush_back;

// callback(err, size)
self.qpop_front = function(name, callback){
self.request('qpop_front', [name], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
var item = resp[1];
callback(err, item);
} else {
callback('error', null);
}
}
});
}

// callback(err, size)
self.qpop = self.qpop_front;

// callback(err, size)
self.qpop_back = function(name, callback){
self.request('qpop_back', [name], function(resp){
if(callback){
var err = resp[0] == 'ok'? 0 : resp[0];
if(resp.length == 2) {
var item = resp[1];
callback(err, item);
} else {
callback('error', null);
}
}
});
}

return self;
}

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