public static IBuildTheQueryProcessor DefaultPolicies(this IBuildTheQueryProcessor lastStageBuilder)
{
var builder = lastStageBuilder.ToQueryProcessorBuilder();
var defaultRetryPolicy = Policy
.Handle <Exception>()
.WaitAndRetry(new[]
{
TimeSpan.FromMilliseconds(50),
TimeSpan.FromMilliseconds(100),
TimeSpan.FromMilliseconds(150)
});
var circuitBreakerPolicy = Policy
.Handle <Exception>()
.CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry
{
{ Constants.RetryPolicyName, defaultRetryPolicy },
{ Constants.CircuitBreakerPolicyName, circuitBreakerPolicy }
};
return(builder.ContextBagItem(Constants.ContextBagKey, policyRegistry));
}
/// <summary>
/// Converts the last builder stage to the full builder or throws if the builder instance is not a QueryProcessorBuilder.
/// This is useful for extending the builder with custom methods.
/// </summary>
/// <param name="lastStageBuilder">The builder instance.</param>
/// <returns></returns>
public static QueryProcessorBuilder ToQueryProcessorBuilder(this IBuildTheQueryProcessor lastStageBuilder)
{
var builder = lastStageBuilder as QueryProcessorBuilder;
if (builder == null)
{
throw new NotSupportedException($"This extension method only supports the default {nameof(QueryProcessorBuilder)}.");
}
return(builder);
}
public static IBuildTheQueryProcessor DefaultPolicies(this IBuildTheQueryProcessor builder)
{
var queryProcessorBuilder = builder as QueryProcessorBuilder;
if (queryProcessorBuilder == null)
{
throw new NotSupportedException($"This extension method only supports the default {nameof(QueryProcessorBuilder)}.");
}
AddDefaultPolicies(queryProcessorBuilder);
return(queryProcessorBuilder);
}
public static IBuildTheQueryProcessor JsonQueryLogging(this IBuildTheQueryProcessor builder, Action <JsonSerializerSettings> configure = null)
{
var queryProcessorBuilder = builder as QueryProcessorBuilder;
if (queryProcessorBuilder == null)
{
throw new NotSupportedException($"This extension method only supports the default {nameof(QueryProcessorBuilder)}.");
}
AddJsonQueryLogging(queryProcessorBuilder, configure);
return(queryProcessorBuilder);
}
public static IBuildTheQueryProcessor JsonQueryLogging(this IBuildTheQueryProcessor lastStageBuilder, Action <JsonSerializerSettings> settings = null)
{
var builder = lastStageBuilder.ToQueryProcessorBuilder();
JsonSerializerSettings serializerSettings = null;
if (settings != null)
{
serializerSettings = new JsonSerializerSettings();
settings(serializerSettings);
}
return(builder.ContextBagItem(Constants.ContextBagKey, new NewtonsftJsonSerializer(serializerSettings)));
}
public static IBuildTheQueryProcessor Policies(this IBuildTheQueryProcessor lastStageBuilder, IPolicyRegistry policyRegistry)
{
var builder = lastStageBuilder.ToQueryProcessorBuilder();
if (policyRegistry == null)
{
throw new ArgumentNullException(nameof(policyRegistry));
}
if (!policyRegistry.Has(Constants.RetryPolicyName))
{
throw new ConfigurationException($"The policy registry is missing the {Constants.RetryPolicyName} policy which is required");
}
if (!policyRegistry.Has(Constants.CircuitBreakerPolicyName))
{
throw new ConfigurationException($"The policy registry is missing the {Constants.CircuitBreakerPolicyName} policy which is required");
}
return(builder.ContextBagItem(Constants.ContextBagKey, policyRegistry));
}
