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Change getting of singleton dependency container to be thread-safe

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Mike Bierlee 2015-03-28 15:04:34 +01:00
parent f2eabe9797
commit 8d268846ed
1 changed files with 278 additions and 282 deletions
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12
source/poodinis/container.d
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@ -16,6 +16,7 @@ module poodinis.container;
import std.string;
import std.array;
import std.algorithm;
import std.concurrency;
debug {
import std.stdio;
@ -44,9 +45,6 @@ class ResolveException : Exception {
* You can still create new instances of this class for exceptional situations.
*/
class DependencyContainer {
private static DependencyContainer instance;
private Registration[][TypeInfo] registrations;
private Registration[] autowireStack;
@ -273,10 +271,8 @@ class DependencyContainer {
/**
* Returns a global singleton instance of a dependency container.
*/
public static DependencyContainer getInstance() {
if (instance is null) {
instance = new DependencyContainer();
}
return instance;
public static shared(DependencyContainer) getInstance() {
static shared DependencyContainer instance;
return initOnce!instance(new DependencyContainer());
}
}