npm install memcached-nativeThis package wraps the library for memcache written in C.
`` var memcachedClient = new Client('--SERVER=127.0.0.1:11211'); `
No fallback is made
` memcachedClient.start(); `
` memcachedClient.stop(done); `
memcachedClient.set(key, value, expirationTime, callback); `Set a new value to the server. The third parameter is the expiration time in sec. The callback takes a parameter, the error.
`
memcachedClient.set(key, value, 10, function(err) {
assert.ifError(err);
console.log('Set');
});
`$3
` memcachedClient.get(key, callback); `Retrieve the value saved as
key
`
memcachedClient.get(key, function(err, data) {
assert.ifError(err);
console.log(data);
done();
});
`$3
` memcachedClient.touch(key, expirationTime, callback); `Touch a key
`
memcachedClient.touch(key, 200, function(err) {
assert.ifError(err);
console.log('Touched');
});`$3
` memcachedClient.increment(key, delta, callback); `Incremnt key value by delta.
`
memcachedClient.increment(key, 40, function(err, finalValue) {
assert.ifError(err);
console.log('Incremented. Final value is', finalValue);
});
`$3
` memcachedClient.decrement(key, 3, callback); `Decrement key value by delta. No negative value is stored on the server (forced to be 0 at least)
`
memcachedClient.decrement(key, 3, function(err, finalValue) {
assert.ifError(err);
console.log('Decremented. Final value is', finalValue);
});
`$3
` memcachedClient.append(key, '-suffix', callback); `Append a string before a stored value.
`
memcachedClient.append(key, '-suffix', function(err) {
assert.ifError(err);
});
`$3
` memcachedClient.append(key, '-suffix', callback); `Prepend a string before a stored value.
`
memcachedClient.prepend(key, 'prefix-', function(err) {
assert.ifError(err);
});
`$3
` memcachedClient.delete(key, expirationTime); `Delete a key from the server. ExpirationTime is often 0 (now).
`
memcachedClient.delete(key, 0, function(err) {
assert.ifError(err);
});
`$3
` memcachedClient.exist(key, callback); `Check if a key is set to memcached without retrieving it.
`
memcachedClient.exist(key, function(err, isExist) {
assert.ifError(err);
console.log(isExist ? 'exists' : 'no');
});
`$3
` memcachedClient.replace(key, value, expirationTime, callback); `Replace a value already presents on the server.
`
memcachedClient.replace(key, value, 10, function(err) {
assert.ifError(err);
});
`$3
` memcachedClient.cas(key, value, expirationTime, casValue, callback); `Cas operation.
casValue can be retrieved from fetch_result or mget_and_fetch_all methods.
`
memcachedClient.cas(key, value, 10, casValue, function(err) {
assert.ifError(err);
});
`$3
` memcachedClient.mget(keys, callback); `Fetch an array of keys (see fetch_result)
`
memcachedClient.mget(['key1', 'key2'], function(err) {
assert.ifError(err);
});
`$3
` memcachedClient.fetch_result(callback); `Return the key fetched by mget method. Be careful.
`
memcachedClient.mget(['key1', 'key2'], function(err) {
memcachedClient.fetch_result(function(err, results) {
assert.ifError(err);
console.log(results.key1);
console.log(results.key2);
});
});
`$3
` memcachedClient.mget_and_fetch_all(keys, callback); `Request and return all keys specified
`
memcachedClient.mget_and_fetch_all(['key1', 'key2'], function(err, results) {
assert.ifError(err);
console.log(results.key1);
console.log(results.key2);
});
``All suggestions are welcome