Examples with Lazy dagger.Lazy used on opensource projects

Example 1 with Lazy

use of dagger.Lazy in project tiger by google.

the class NewInjectorGenerator method createAnonymousBuiltinType.

/**
   * Generate for either unique a binding or a contributor to a multi-binding. NewDependencyInfo is
   * null for unique one and non-null or multi-binding one. ReferencingClass is the opposite, for
   * multi-binding, it is the module in dependency. Scope is null for unique binding.
   */
private TypeSpec createAnonymousBuiltinType(ClassName leafInjectorClassName, NewBindingKey key, @Nullable TypeElement scope, @Nullable TypeElement referencingClass, @Nullable NewDependencyInfo newDependencyInfo) {
    Preconditions.checkArgument(key.getTypeName() instanceof ParameterizedTypeName);
    boolean isMultiBinding = newDependencyInfo != null;
    if (isMultiBinding) {
        Preconditions.checkArgument(referencingClass == null);
        Preconditions.checkNotNull(scope);
    } else {
        Preconditions.checkNotNull(referencingClass);
    }
    TypeName rawTypeName = ((ParameterizedTypeName) key.getTypeName()).rawType;
    Preconditions.checkArgument(Utils.hasBuiltinBinding(key), String.format("Built-in binding expected(Provider or Lazy), but get %s", key));
    boolean isLazy = rawTypeName.equals(ClassName.get(Lazy.class));
    NewBindingKey elementKey = Utils.getElementKeyForBuiltinBinding(key);
    Preconditions.checkNotNull(elementKey);
    if (!isMultiBinding) {
        generateProvisionMethodIfNeeded(elementKey, referencingClass);
    }
    MethodSpec.Builder builderForGet = MethodSpec.methodBuilder("get").returns(elementKey.getTypeName()).addAnnotation(Override.class).addModifiers(Modifier.PUBLIC);
    builderForGet.addStatement("$T var = null", elementKey.getTypeName());
    if (isLazy) {
        builderForGet.beginControlFlow("if (var == null)");
    }
    if (!isMultiBinding) {
        builderForGet.addStatement("var = $N()", getProvisionMethodName(elementKey));
    } else {
        addNewStatementToMethodSpec(scope, newDependencyInfo, leafInjectorClassName, builderForGet, "var");
    }
    if (isLazy) {
        builderForGet.endControlFlow();
    }
    builderForGet.addStatement("return var");
    TypeSpec result = TypeSpec.anonymousClassBuilder("").addSuperinterface(key.getTypeName()).addMethod(builderForGet.build()).build();
    return result;
}