public virtual void TestDynamicProperty()
{
MemoryDictionaryConfigurationSource source = CreateSource();
source.SetPropertyValue("exist", "ok");
IConfigurationManager manager = CreateManager(source);
PropertyConfig <String, String> propertyConfig = ConfigurationProperties.NewConfigBuilder <String, String>()
.SetKey("exist").SetDefaultValue("default").Build();
IProperty <String, String> property = manager.GetProperty(propertyConfig);
Console.WriteLine("property: " + property + "\n");
Assert.Equal("ok", property.Value);
source.SetPropertyValue("exist", "ok2");
Thread.Sleep(10);
Console.WriteLine("property: " + property + "\n");
Assert.Equal("ok2", property.Value);
source.SetPropertyValue("exist", "ok3");
Thread.Sleep(10);
Console.WriteLine("property: " + property + "\n");
Assert.Equal("ok3", property.Value);
source.SetPropertyValue("exist", "ok4");
Thread.Sleep(10);
Console.WriteLine("property: " + property + "\n");
Assert.Equal("ok4", property.Value);
}
protected virtual IConfigurationManager CreateKeyCachedManager(MemoryDictionaryConfigurationSource source)
{
CascadedConfigurationSourceConfig <ConfigurationSourceConfig> sourceConfig = StringPropertySources.NewCascadedSourceConfigBuilder <ConfigurationSourceConfig>()
.SetName("cascaded-memory-map").SetKeySeparator(".").AddCascadedFactor("part1")
.AddCascadedFactor("part2").SetSource(source).Build();
CascadedConfigurationSource <ConfigurationSourceConfig> cascadedSource = new KeyCachedCascadedConfigurationSource <ConfigurationSourceConfig>(sourceConfig);
TaskExecutor taskExecutor = new TaskExecutor();
ConfigurationManagerConfig managerConfig = ConfigurationManagers.NewConfigBuilder().SetName("test")
.AddSource(1, cascadedSource).SetTaskExecutor(taskExecutor.Run).Build();
Console.WriteLine("manager config: " + managerConfig + "\n");
return(ConfigurationManagers.NewManager(managerConfig));
}
private static void InitConfig()
{
// create a non-dynamic K/V (string/string) configuration source
PropertiesFileConfigurationSourceConfig sourceConfig = StringPropertySources
.NewPropertiesFileSourceConfigBuilder().SetName("app-properties-file").SetFileName("app.properties")
.Build();
IConfigurationSource source = StringPropertySources.NewPropertiesFileSource(sourceConfig);
// crate a dynamic K/V (string/string) configuration source
_systemPropertiesSource = StringPropertySources.NewMemoryDictionarySource("system-property");
// create a configuration manager with 2 sources, system property has higher priority then app.properties
ConfigurationManagerConfig managerConfig = ConfigurationManagers.NewConfigBuilder().SetName("little-app")
.AddSource(1, source).AddSource(2, _systemPropertiesSource).Build();
IConfigurationManager manager = ConfigurationManagers.NewManager(managerConfig);
// Add a log listener
manager.OnChange += (o, e) =>
Console.WriteLine("\nproperty {0} changed, old value: {1}, new value: {2}, changeTime: {3}",
e.Property, e.OldValue, e.NewValue, e.ChangeTime);
// create a StringProperties facade tool
_properties = new StringProperties(manager);
// default to null
_appId = _properties.GetStringProperty("app.id");
// default to "unknown"
_appName = _properties.GetStringProperty("app.name", "unknown");
// Add change listener to app.name
_appName.OnChange += (o, e) => Console.WriteLine("\napp.name changed, maybe we need do something");
// default to empty list
_userList = _properties.GetListProperty("user.list", new List <string>());
// default to empty map
_userData = _properties.GetDictionaryProperty("user.data", new Dictionary <string, string>());
// default to 1000, if value in app._properties is invalid, ignore the invalid value
_sleepTime = _properties.GetIntProperty("sleep.time", 1000, v => v < 0 ? null : v);
// custom type property
_myCustomData = _properties.GetProperty("my-custom-type-property", MyCustomType.Converter);
}
