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Reintroduce module container

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Mike Bierlee 2015-01-25 13:37:14 +01:00
parent a73b2b9b8b
commit 1d74064c15
4 changed files with 200 additions and 212 deletions
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2
source/poodinis/autowire.d
View file

@ -7,7 +7,7 @@
module poodinis.autowire;
public import poodinis.dependency;
public import poodinis.container;
import std.typetuple;

128
source/poodinis/container.d
View file

@ -7,6 +7,130 @@
module poodinis.container;
pragma(msg, "Module \"container\" has been renamed to \"dependency\". The use of the \"container\" module is deprecated");
import std.string;
import std.array;
import std.algorithm;
public import poodinis.dependency;
debug {
import std.stdio;
}
public import poodinis.registration;
public import poodinis.autowire;
class RegistrationException : Exception {
this(string message, TypeInfo registeredType, TypeInfo_Class concreteType) {
super(format("Exception while registering type %s to %s: %s", registeredType.toString(), concreteType.name, message));
}
}
class ResolveException : Exception {
this(string message, TypeInfo resolveType) {
super(format("Exception while resolving type %s: %s", resolveType.toString(), message));
}
}
deprecated("Container has been renamed to DependencyContainer")
alias Container = DependencyContainer;
class DependencyContainer {
private static DependencyContainer instance;
private Registration[][TypeInfo] registrations;
private Registration[] autowireStack;
public Registration register(ConcreteType)() {
return register!(ConcreteType, ConcreteType)();
}
public Registration register(InterfaceType, ConcreteType : InterfaceType)() {
TypeInfo registeredType = typeid(InterfaceType);
TypeInfo_Class concreteType = typeid(ConcreteType);
debug(poodinisVerbose) {
writeln(format("DEBUG: Register type %s (as %s)", concreteType.toString(), registeredType.toString()));
}
auto existingCandidates = registeredType in registrations;
if (existingCandidates) {
auto existingRegistration = getRegistration(*existingCandidates, concreteType);
if (existingRegistration) {
return existingRegistration;
}
}
Registration newRegistration = new Registration(registeredType, concreteType);
newRegistration.singleInstance();
registrations[registeredType] ~= newRegistration;
return newRegistration;
}
private Registration getRegistration(Registration[] candidates, TypeInfo concreteType) {
foreach(existingRegistration ; candidates) {
if (existingRegistration.instantiatableType == concreteType) {
return existingRegistration;
}
}
return null;
}
public RegistrationType resolve(RegistrationType)() {
return resolve!(RegistrationType, RegistrationType)();
}
public QualifierType resolve(RegistrationType, QualifierType : RegistrationType)() {
TypeInfo resolveType = typeid(RegistrationType);
TypeInfo qualifierType = typeid(QualifierType);
debug(poodinisVerbose) {
writeln("DEBUG: Resolving type " ~ resolveType.toString() ~ " with qualifier " ~ qualifierType.toString());
}
auto candidates = resolveType in registrations;
if (!candidates) {
throw new ResolveException("Type not registered.", resolveType);
}
Registration registration = getQualifiedRegistration(resolveType, qualifierType, *candidates);
QualifierType instance = cast(QualifierType) registration.getInstance();
if (!autowireStack.canFind(registration)) {
autowireStack ~= registration;
this.autowire!(QualifierType)(instance);
autowireStack.popBack();
}
return instance;
}
private Registration getQualifiedRegistration(TypeInfo resolveType, TypeInfo qualifierType, Registration[] candidates) {
if (resolveType == qualifierType) {
if (candidates.length > 1) {
string candidateList = candidates.toConcreteTypeListString();
throw new ResolveException("Multiple qualified candidates available: " ~ candidateList ~ ". Please use a qualifier.", resolveType);
}
return candidates[0];
}
return getRegistration(candidates, qualifierType);
}
public void clearAllRegistrations() {
registrations.destroy();
}
public void removeRegistration(RegistrationType)() {
registrations.remove(typeid(RegistrationType));
}
public static DependencyContainer getInstance() {
if (instance is null) {
instance = new DependencyContainer();
}
return instance;
}
}

136
source/poodinis/dependency.d
View file

@ -1,136 +0,0 @@
/**
* Poodinis Dependency Injection Framework
* Copyright 2014 Mike Bierlee
* This software is licensed under the terms of the MIT license.
* The full terms of the license can be found in the LICENSE file.
*/
module poodinis.dependency;
import std.string;
import std.array;
import std.algorithm;
debug {
import std.stdio;
}
public import poodinis.registration;
public import poodinis.autowire;
class RegistrationException : Exception {
this(string message, TypeInfo registeredType, TypeInfo_Class concreteType) {
super(format("Exception while registering type %s to %s: %s", registeredType.toString(), concreteType.name, message));
}
}
class ResolveException : Exception {
this(string message, TypeInfo resolveType) {
super(format("Exception while resolving type %s: %s", resolveType.toString(), message));
}
}
deprecated("Container has been renamed to DependencyContainer")
alias Container = DependencyContainer;
class DependencyContainer {
private static DependencyContainer instance;
private Registration[][TypeInfo] registrations;
private Registration[] autowireStack;
public Registration register(ConcreteType)() {
return register!(ConcreteType, ConcreteType)();
}
public Registration register(InterfaceType, ConcreteType : InterfaceType)() {
TypeInfo registeredType = typeid(InterfaceType);
TypeInfo_Class concreteType = typeid(ConcreteType);
debug(poodinisVerbose) {
writeln(format("DEBUG: Register type %s (as %s)", concreteType.toString(), registeredType.toString()));
}
auto existingCandidates = registeredType in registrations;
if (existingCandidates) {
auto existingRegistration = getRegistration(*existingCandidates, concreteType);
if (existingRegistration) {
return existingRegistration;
}
}
Registration newRegistration = new Registration(registeredType, concreteType);
newRegistration.singleInstance();
registrations[registeredType] ~= newRegistration;
return newRegistration;
}
private Registration getRegistration(Registration[] candidates, TypeInfo concreteType) {
foreach(existingRegistration ; candidates) {
if (existingRegistration.instantiatableType == concreteType) {
return existingRegistration;
}
}
return null;
}
public RegistrationType resolve(RegistrationType)() {
return resolve!(RegistrationType, RegistrationType)();
}
public QualifierType resolve(RegistrationType, QualifierType : RegistrationType)() {
TypeInfo resolveType = typeid(RegistrationType);
TypeInfo qualifierType = typeid(QualifierType);
debug(poodinisVerbose) {
writeln("DEBUG: Resolving type " ~ resolveType.toString() ~ " with qualifier " ~ qualifierType.toString());
}
auto candidates = resolveType in registrations;
if (!candidates) {
throw new ResolveException("Type not registered.", resolveType);
}
Registration registration = getQualifiedRegistration(resolveType, qualifierType, *candidates);
QualifierType instance = cast(QualifierType) registration.getInstance();
if (!autowireStack.canFind(registration)) {
autowireStack ~= registration;
this.autowire!(QualifierType)(instance);
autowireStack.popBack();
}
return instance;
}
private Registration getQualifiedRegistration(TypeInfo resolveType, TypeInfo qualifierType, Registration[] candidates) {
if (resolveType == qualifierType) {
if (candidates.length > 1) {
string candidateList = candidates.toConcreteTypeListString();
throw new ResolveException("Multiple qualified candidates available: " ~ candidateList ~ ". Please use a qualifier.", resolveType);
}
return candidates[0];
}
return getRegistration(candidates, qualifierType);
}
public void clearAllRegistrations() {
registrations.destroy();
}
public void removeRegistration(RegistrationType)() {
registrations.remove(typeid(RegistrationType));
}
public static DependencyContainer getInstance() {
if (instance is null) {
instance = new DependencyContainer();
}
return instance;
}
}

2
test/poodinis/dependencytest.d → test/poodinis/containertest.d
View file

@ -5,7 +5,7 @@
* The full terms of the license can be found in the LICENSE file.
*/
import poodinis.dependency;
import poodinis.container;
import std.exception;