bidstack-cache

Easy to use cache library written in Qt/C++

Usage

#include<QCoreApplication>
#include<QDebug>
#include"sqlitecacheadapter.hpp"usingnamespaceBidstack::Cache;intmain(int argc, char *argv[]) {
QCoreApplication app(argc, argv);
SqliteCacheAdapter *cache = newSqliteCacheAdapter("cache.sqlite");
qDebug() << "Has 'key_a'? -" << (cache->has("key_a") ? "yes" : "no");
qDebug() << "Has 'key_b'? -" << (cache->has("key_b") ? "yes" : "no");
cache->store("key_a", "Hello World");
cache->store("key_b", "Hello Universe");
qDebug() << "Has 'key_a'? -" << (cache->has("key_a") ? "yes" : "no");
qDebug() << "Has 'key_b'? -" << (cache->has("key_b") ? "yes" : "no");
qDebug() << "Value for 'key_a':" << cache->fetch("key_a");
qDebug() << "Value for 'key_b':" << cache->fetch("key_b");
cache->remove("key_a");
qDebug() << "Has 'key_a'? -" << (cache->has("key_a") ? "yes" : "no");
qDebug() << "Has 'key_b'? -" << (cache->has("key_b") ? "yes" : "no");
qDebug() << "Value for 'key_a':" << cache->fetch("key_a", "default value for 'key_a'");
qDebug() << "Value for 'key_b':" << cache->fetch("key_b", "default value for 'key_b'");
cache->clear();
qDebug() << "Has 'key_a'? -" << (cache->has("key_a") ? "yes" : "no");
qDebug() << "Has 'key_b'? -" << (cache->has("key_b") ? "yes" : "no");
qDebug() << "Value for 'key_a':" << cache->fetch("key_a");
qDebug() << "Value for 'key_b':" << cache->fetch("key_b");
cache->store("key_c", "a special value", 1);
qDebug() << "Has 'key_c' before sleep? -" << (cache->has("key_c") ? "yes" : "no");
sleep(2);
qDebug() << "Has 'key_c' after sleep? -" << (cache->has("key_c") ? "yes" : "no");
return0;
}