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Add registration linking

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This commit is contained in:
Mike Bierlee 2015-05-03 00:46:51 +02:00
parent fe6a62104e
commit eb05f7702f
2 changed files with 254 additions and 229 deletions
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11
source/poodinis/registration.d
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@ -22,6 +22,7 @@ class Registration {
TypeInfo registeredType = null; TypeInfo registeredType = null;
TypeInfo_Class instantiatableType = null; TypeInfo_Class instantiatableType = null;
CreationScope registationScope = null; CreationScope registationScope = null;
private Registration linkedRegistration;
this(TypeInfo registeredType, TypeInfo_Class instantiatableType) { this(TypeInfo registeredType, TypeInfo_Class instantiatableType) {
this.registeredType = registeredType; this.registeredType = registeredType;
@ -29,12 +30,22 @@ class Registration {
} }
public Object getInstance(InstantiationContext context = new InstantiationContext()) { public Object getInstance(InstantiationContext context = new InstantiationContext()) {
if (linkedRegistration !is null) {
return linkedRegistration.getInstance(context);
}
if (registationScope is null) { if (registationScope is null) {
throw new NoScopeDefinedException(registeredType); throw new NoScopeDefinedException(registeredType);
} }
return registationScope.getInstance(); return registationScope.getInstance();
} }
public Registration linkTo(Registration registration) {
this.linkedRegistration = registration;
return this;
}
} }
class NoScopeDefinedException : Exception { class NoScopeDefinedException : Exception {

18
test/poodinis/registrationtest.d
View file

@ -10,8 +10,11 @@ import poodinis.registration;
import std.exception; import std.exception;
version(unittest) { version(unittest) {
class TestType { class TestType {}
}
interface TestInterface {}
class TestImplementation : TestInterface {}
// Test getting instance without scope defined throws exception // Test getting instance without scope defined throws exception
unittest { unittest {
@ -77,4 +80,15 @@ version(unittest) {
assert(registration is chainedRegistration, "Registration returned by scope setting is not the same as the registration being set"); assert(registration is chainedRegistration, "Registration returned by scope setting is not the same as the registration being set");
} }
// Test linking registrations
unittest {
Registration firstRegistration = new Registration(typeid(TestInterface), typeid(TestImplementation)).singleInstance();
Registration secondRegistration = new Registration(typeid(TestImplementation), typeid(TestImplementation)).singleInstance().linkTo(firstRegistration);
auto firstInstance = firstRegistration.getInstance();
auto secondInstance = secondRegistration.getInstance();
assert(firstInstance is secondInstance);
}
} }