private void TestEquals(Func<object, object, bool> equals)
{
var sameInstace = new ExecutionStrategyKey("a", "b");
Assert.True(
equals(
sameInstace,
sameInstace));
Assert.True(
equals(
new ExecutionStrategyKey("a", "b"),
new ExecutionStrategyKey("a", "b")));
Assert.True(
equals(
new ExecutionStrategyKey("a", null),
new ExecutionStrategyKey("a", null)));
Assert.False(
equals(
new ExecutionStrategyKey("a", "b1"),
new ExecutionStrategyKey("a", "b2")));
Assert.False(
equals(
new ExecutionStrategyKey("a", null),
new ExecutionStrategyKey("a", "b2")));
Assert.False(
equals(
new ExecutionStrategyKey("a1", "b"),
new ExecutionStrategyKey("a2", "b")));
Assert.False(
equals(
new ExecutionStrategyKey("a", "b"),
null));
}
private void TestEquals(Func <object, object, bool> equals)
{
var sameInstace = new ExecutionStrategyKey("a", "b");
Assert.True(
equals(
sameInstace,
sameInstace));
Assert.True(
equals(
new ExecutionStrategyKey("a", "b"),
new ExecutionStrategyKey("a", "b")));
Assert.False(
equals(
new ExecutionStrategyKey("a", "b1"),
new ExecutionStrategyKey("a", "b2")));
Assert.False(
equals(
new ExecutionStrategyKey("a1", "b"),
new ExecutionStrategyKey("a2", "b")));
Assert.False(
equals(
new ExecutionStrategyKey("a", "b"),
null));
}
/// <inheritdoc />
public override bool Equals(object obj)
{
ExecutionStrategyKey executionStrategyKey = obj as ExecutionStrategyKey;
if (object.ReferenceEquals((object)executionStrategyKey, (object)null) || !this.ProviderInvariantName.Equals(executionStrategyKey.ProviderInvariantName, StringComparison.Ordinal))
{
return(false);
}
if (this.ServerName == null && executionStrategyKey.ServerName == null)
{
return(true);
}
if (this.ServerName != null)
{
return(this.ServerName.Equals(executionStrategyKey.ServerName, StringComparison.Ordinal));
}
return(false);
}
private static IExecutionStrategy GetExecutionStrategy(
DbConnection connection,
DbProviderFactory providerFactory)
{
var entityConnection = connection as EntityConnection;
if (entityConnection != null)
{
connection = entityConnection.StoreConnection;
}
// Using the type name of DbProviderFactory implementation instead of the provider invariant name for performance
var cacheKey = new ExecutionStrategyKey(providerFactory.GetType().FullName, connection.DataSource);
var factory = _executionStrategyFactories.GetOrAdd(
cacheKey,
k =>
DbConfiguration.GetService<Func<IExecutionStrategy>>(
new ExecutionStrategyKey(
DbConfiguration.GetService<IProviderInvariantName>(providerFactory).Name,
connection.DataSource)));
return factory();
}
private static IDbExecutionStrategy GetExecutionStrategy(
DbConnection connection,
DbProviderFactory providerFactory,
string providerInvariantName = null)
{
var entityConnection = connection as EntityConnection;
if (entityConnection != null)
{
connection = entityConnection.StoreConnection;
}
var dataSource = DbInterception.Dispatch.Connection.GetDataSource(connection, new DbInterceptionContext());
// Using the type name of DbProviderFactory implementation instead of the provider invariant name for performance
var cacheKey = new ExecutionStrategyKey(providerFactory.GetType().FullName, dataSource);
var factory = _executionStrategyFactories.GetOrAdd(
cacheKey,
k =>
DbConfiguration.DependencyResolver.GetService<Func<IDbExecutionStrategy>>(
new ExecutionStrategyKey(
providerInvariantName ?? DbConfiguration.DependencyResolver.GetService<IProviderInvariantName>(providerFactory).Name,
dataSource)));
return factory();
}
