/**
* Return the set of models assigned as providers.
*
* @return the providers consumed by the model
* @exception IllegalStateException if the model is not in an assembled state
*/
public DeploymentModel[] getProviders() {
if (!isAssembled()) {
final String error = "Model is not assembled " + this;
throw new IllegalStateException(error);
}
final ArrayList list = new ArrayList();
if (getContextModel().isEnabled()) {
DeploymentModel provider = getContextModel().getProvider();
if (provider != null) {
list.add(provider);
}
}
StageModel[] stages = getStageModels();
for (int i = 0; i < stages.length; i++) {
StageModel stage = stages[i];
list.add(stage.getProvider());
}
DependencyModel[] dependencies = getDependencyModels();
for (int i = 0; i < dependencies.length; i++) {
DependencyModel dependency = dependencies[i];
DeploymentModel provider = dependency.getProvider();
if (provider != null) list.add(provider);
}
return (DeploymentModel[]) list.toArray(new DeploymentModel[0]);
}
/**
* Return a dependency model matching the supplied descriptor. If no model matches the supplied
* descriptor the implementation will return null.
*
* @param dependency the dependency descriptor
* @return the matching stage model
*/
public DependencyModel getDependencyModel(DependencyDescriptor dependency) {
DependencyModel[] models = getDependencyModels();
for (int i = 0; i < models.length; i++) {
DependencyModel model = models[i];
if (dependency.equals(model.getDependency())) {
return model;
}
}
return null;
}
private boolean isServiceAssembled() {
DependencyModel[] dependencies = getDependencyModels();
for (int i = 0; i < dependencies.length; i++) {
DependencyModel dep = dependencies[i];
if (null == dep.getProvider() && dep.getDependency().isRequired()) {
return false;
}
}
return true;
}
