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package com.structurizr.model;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.structurizr.PropertyHolder;
import com.structurizr.WorkspaceValidationException;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.*;
import java.util.stream.Collectors;
/**
* Represents a software architecture model, into which all model elements are added.
*/
public final class Model implements PropertyHolder {
private IdGenerator idGenerator = new SequentialIntegerIdGeneratorStrategy();
private final Set elements = new TreeSet<>();
private final Map elementsById = new HashMap<>();
private final Set relationships = new TreeSet<>();
private final Map relationshipsById = new HashMap<>();
private Enterprise enterprise;
private Set people = new TreeSet<>();
private Set softwareSystems = new TreeSet<>();
private Set deploymentNodes = new TreeSet<>();
private Set customElements = new TreeSet<>();
private ImpliedRelationshipsStrategy impliedRelationshipsStrategy = new DefaultImpliedRelationshipsStrategy();
private Map properties = new HashMap<>();
Model() {
}
@Deprecated
public Enterprise getEnterprise() {
return enterprise;
}
@Deprecated
void setEnterprise(Enterprise enterprise) {
this.enterprise = enterprise;
}
/**
* Creates a software system (with an unspecified location) and adds it to the model.
*
* @param name the name of the software system
* @return the SoftwareSystem instance created and added to the model (or null)
* @throws IllegalArgumentException if a software system with the same name already exists
*/
public SoftwareSystem addSoftwareSystem(@Nonnull String name) {
return addSoftwareSystem(name, "");
}
/**
* Creates a software system and adds it to the model.
*
* @param name the name of the software system
* @param description a short description of the software system
* @return the SoftwareSystem instance created and added to the model (or null)
* @throws IllegalArgumentException if a software system with the same name already exists
*/
public SoftwareSystem addSoftwareSystem(@Nonnull String name, @Nullable String description) {
if (getSoftwareSystemWithName(name) == null) {
SoftwareSystem softwareSystem = new SoftwareSystem();
softwareSystem.setName(name);
softwareSystem.setDescription(description);
softwareSystem.setId(idGenerator.generateId(softwareSystem));
softwareSystems.add(softwareSystem);
addElementToInternalStructures(softwareSystem);
return softwareSystem;
} else {
throw new IllegalArgumentException("A top-level element named '" + name + "' already exists.");
}
}
/**
* Creates a person (with an unspecified location) and adds it to the model.
*
* @param name the name of the person (e.g. "Admin User" or "Bob the Business User")
* @return the Person instance created and added to the model (or null)
* @throws IllegalArgumentException if a person with the same name already exists
*/
@Nonnull
public Person addPerson(@Nonnull String name) {
return addPerson(name, "");
}
/**
* Creates a person and adds it to the model.
*
* @param name the name of the person (e.g. "Admin User" or "Bob the Business User")
* @param description a short description of the person
* @return the Person instance created and added to the model (or null)
* @throws IllegalArgumentException if a person with the same name already exists
*/
@Nonnull
public Person addPerson(@Nonnull String name, @Nullable String description) {
if (getPersonWithName(name) == null) {
Person person = new Person();
person.setName(name);
person.setDescription(description);
person.setId(idGenerator.generateId(person));
people.add(person);
addElementToInternalStructures(person);
return person;
} else {
throw new IllegalArgumentException("A top-level element named '" + name + "' already exists.");
}
}
/**
* Creates a custom element and adds it to the model.
*
* @param name the name of the custom element
* @return the CustomElement instance created and added to the model (or null)
* @throws IllegalArgumentException if a custom element/person/software system with the same name already exists
*/
@Nonnull
public CustomElement addCustomElement(@Nonnull String name) {
return addCustomElement(name, "", "");
}
/**
* Creates a custom element and adds it to the model.
*
* @param name the name of the custom element
* @param description a short description of the custom element
* @param metadata the metadata of the custom element
* @return the CustomElement instance created and added to the model (or null)
* @throws IllegalArgumentException if a custom element/person/software system with the same name already exists
*/
@Nonnull
public CustomElement addCustomElement(@Nonnull String name, @Nullable String metadata, @Nullable String description) {
if (getCustomElementWithName(name) == null) {
CustomElement customElement = new CustomElement();
customElement.setName(name);
customElement.setMetadata(metadata);
customElement.setDescription(description);
customElements.add(customElement);
customElement.setId(idGenerator.generateId(customElement));
addElementToInternalStructures(customElement);
return customElement;
} else {
throw new IllegalArgumentException("A top-level element named '" + name + "' already exists.");
}
}
@Nonnull
Container addContainer(SoftwareSystem parent, @Nonnull String name, @Nullable String description, @Nullable String technology) {
if (parent.getContainerWithName(name) == null) {
Container container = new Container();
container.setName(name);
container.setDescription(description);
container.setTechnology(technology);
container.setId(idGenerator.generateId(container));
container.setParent(parent);
parent.add(container);
addElementToInternalStructures(container);
return container;
} else {
throw new IllegalArgumentException("A container named '" + name + "' already exists for this software system.");
}
}
Component addComponent(Container parent, String name, String description, String technology) {
if (parent.getComponentWithName(name) == null) {
Component component = new Component();
component.setName(name);
component.setDescription(description);
component.setTechnology(technology);
component.setId(idGenerator.generateId(component));
component.setParent(parent);
parent.add(component);
addElementToInternalStructures(component);
return component;
} else {
throw new IllegalArgumentException("A component named '" + name + "' already exists for this container.");
}
}
@Nullable
Relationship addRelationship(Element source, @Nonnull Element destination, String description, String technology, boolean createImpliedRelationships) {
return addRelationship(source, destination, description, technology, null, new String[0], createImpliedRelationships);
}
@Nullable
Relationship addRelationship(Element source, @Nonnull Element destination, String description, String technology, InteractionStyle interactionStyle) {
return addRelationship(source, destination, description, technology, interactionStyle, new String[0], true);
}
@Nullable
Relationship addRelationship(Element source, @Nonnull Element destination, String description, String technology, InteractionStyle interactionStyle, String[] tags) {
return addRelationship(source, destination, description, technology, interactionStyle, tags, true);
}
@Nullable
Relationship addRelationship(Element source, @Nonnull Element destination, String description, String technology, InteractionStyle interactionStyle, String[] tags, boolean createImpliedRelationships) {
if (destination == null) {
throw new IllegalArgumentException("The destination must be specified.");
}
if (isChildOf(source, destination) || isChildOf(destination, source)) {
throw new IllegalArgumentException("Relationships cannot be added between parents and children.");
}
Relationship relationship = new Relationship(source, destination, description, technology, interactionStyle, tags);
if (addRelationship(relationship)) {
if (createImpliedRelationships) {
if
(
(source instanceof CustomElement || source instanceof Person || source instanceof SoftwareSystem || source instanceof Container || source instanceof Component) &&
(destination instanceof CustomElement || destination instanceof Person || destination instanceof SoftwareSystem || destination instanceof Container || destination instanceof Component)
) {
impliedRelationshipsStrategy.createImpliedRelationships(relationship);
}
}
return relationship;
}
return null;
}
private boolean isChildOf(Element e1, Element e2) {
if (e1 instanceof Person || e2 instanceof Person) {
return false;
}
Element parent = e2.getParent();
while (parent != null) {
if (parent.getId().equals(e1.getId())) {
return true;
}
parent = parent.getParent();
}
return false;
}
private boolean addRelationship(Relationship relationship) {
if (!relationship.getSource().has(relationship)) {
relationship.setId(idGenerator.generateId(relationship));
relationship.getSource().add(relationship);
addRelationshipToInternalStructures(relationship);
return true;
} else {
return false;
}
}
private void addElementToInternalStructures(Element element) {
// check that the ID is unique
if (getElement(element.getId()) != null || getRelationship(element.getId()) != null) {
throw new WorkspaceValidationException("The element " + element.getCanonicalName() + " has a non-unique ID of " + element.getId() + ".");
}
elementsById.put(element.getId(), element);
elements.add(element);
element.setModel(this);
idGenerator.found(element.getId());
}
private void addRelationshipToInternalStructures(Relationship relationship) {
// check that the ID is unique
if (getElement(relationship.getId()) != null || getRelationship(relationship.getId()) != null) {
throw new WorkspaceValidationException("The relationship " + relationship.toString() + " has a non-unique ID of " + relationship.getId() + ".");
}
relationshipsById.put(relationship.getId(), relationship);
relationships.add(relationship);
relationship.setModel(this);
idGenerator.found(relationship.getId());
}
private void removeRelationshipFromInternalStructures(Relationship relationship) {
relationshipsById.remove(relationship.getId());
relationships.remove(relationship);
}
/**
* Gets the set of all elements in this model.
*
* @return a Set of Element instances
*/
@JsonIgnore
@Nonnull
public Set getElements() {
return new TreeSet<>(elements);
}
/**
* Gets the element with the specified ID.
*
* @param id the {@link Element#getId()} of the element
* @return the element in this model with the specified ID (or null if it doesn't exist)
* @see Element#getId()
*/
@Nullable
public Element getElement(@Nonnull String id) {
if (id == null || id.trim().length() == 0) {
throw new IllegalArgumentException("An element ID must be specified.");
}
return elementsById.get(id);
}
/**
* Gets the set of all relationships in this model.
*
* @return a Set of Relationship objects
*/
@JsonIgnore
@Nonnull
public Set getRelationships() {
return new TreeSet<>(this.relationships);
}
/**
* Gets the relationship with the specified ID.
*
* @param id the {@link Relationship#getId()} of the relationship
* @return the relationship in this model with the specified ID (or null if it doesn't exist).
* @see Relationship#getId()
*/
@Nullable
public Relationship getRelationship(@Nonnull String id) {
if (id == null || id.trim().length() == 0) {
throw new IllegalArgumentException("A relationship ID must be specified.");
}
return relationshipsById.get(id);
}
/**
* Gets the set of all custom elements in this model.
*
* @return a Set of CustomElement instances
*/
@Nonnull
public Set getCustomElements() {
return new TreeSet<>(customElements);
}
void setCustomElements(Set customElements) {
if (customElements != null) {
this.customElements = new TreeSet<>(customElements);
}
}
/**
* Gets the set of all people in this model.
*
* @return a Set of Person instances
*/
@Nonnull
public Set getPeople() {
return new TreeSet<>(people);
}
void setPeople(Set people) {
if (people != null) {
this.people = new TreeSet<>(people);
}
}
/**
* Gets the set of all software systems in this model.
*
* @return a Set of SoftwareSystem instances
*/
@Nonnull
public Set getSoftwareSystems() {
return new TreeSet<>(softwareSystems);
}
void setSoftwareSystems(Set softwareSystems) {
if (softwareSystems != null) {
this.softwareSystems = new TreeSet<>(softwareSystems);
}
}
/**
* Gets the set of all top-level deployment nodes in this model.
*
* @return a Set of DeploymentNode instances
*/
@Nonnull
public Set getDeploymentNodes() {
return new TreeSet<>(deploymentNodes);
}
void setDeploymentNodes(Set deploymentNodes) {
if (deploymentNodes != null) {
this.deploymentNodes = new TreeSet<>(deploymentNodes);
}
}
void hydrate() {
// add all of the elements to the model
customElements.forEach(this::addElementToInternalStructures);
people.forEach(this::addElementToInternalStructures);
for (SoftwareSystem softwareSystem : softwareSystems) {
addElementToInternalStructures(softwareSystem);
for (Container container : softwareSystem.getContainers()) {
addElementToInternalStructures(container);
container.setParent(softwareSystem);
for (Component component : container.getComponents()) {
addElementToInternalStructures(component);
component.setParent(container);
}
}
}
deploymentNodes.forEach(dn -> hydrateDeploymentNode(dn, null));
// now hydrate the relationships
getElements().forEach(this::hydrateRelationships);
// now check all of the element names are unique
Collection peopleAndSoftwareSystems = new ArrayList<>();
peopleAndSoftwareSystems.addAll(people);
peopleAndSoftwareSystems.addAll(softwareSystems);
for (Element element : peopleAndSoftwareSystems) {
checkNameIsUnique(peopleAndSoftwareSystems, element.getName(), "A person or software system named \"%s\" already exists.");
}
for (SoftwareSystem softwareSystem : softwareSystems) {
for (Container container : softwareSystem.getContainers()) {
checkNameIsUnique(softwareSystem.getContainers(), container.getName(), "A container named \"%s\" already exists within \"" + softwareSystem.getName() + "\".");
for (Component component : container.getComponents()) {
checkNameIsUnique(container.getComponents(), component.getName(), "A component named \"%s\" already exists within \"" + container.getName() + "\".");
}
}
}
for (DeploymentNode deploymentNode : deploymentNodes) {
checkNameIsUnique(deploymentNodes, deploymentNode.getName(), deploymentNode.getEnvironment(), "A top-level deployment node named \"%s\" already exists for the environment named \"" + deploymentNode.getEnvironment() + "\".");
if (deploymentNode.hasChildren()) {
checkChildNamesAreUnique(deploymentNode);
}
}
// and check that all relationships are unique
for (Element element : getElements()) {
for (Relationship relationship : element.getRelationships()) {
checkDescriptionIsUnique(element.getRelationships(), relationship);
}
}
}
private void hydrateDeploymentNode(DeploymentNode deploymentNode, DeploymentNode parent) {
deploymentNode.setParent(parent);
addElementToInternalStructures(deploymentNode);
deploymentNode.getChildren().forEach(child -> hydrateDeploymentNode(child, deploymentNode));
for (SoftwareSystemInstance softwareSystemInstance : deploymentNode.getSoftwareSystemInstances()) {
Element softwareSystem = getElement(softwareSystemInstance.getSoftwareSystemId());
if (!(softwareSystem instanceof SoftwareSystem)) {
throw new WorkspaceValidationException(
String.format("A software system instance is associated with a software system (id=%s) that does not exist in the model.", softwareSystemInstance.getSoftwareSystemId()));
}
softwareSystemInstance.setSoftwareSystem((SoftwareSystem)softwareSystem);
softwareSystemInstance.setParent(deploymentNode);
addElementToInternalStructures(softwareSystemInstance);
}
for (ContainerInstance containerInstance : deploymentNode.getContainerInstances()) {
Element container = getElement(containerInstance.getContainerId());
if (!(container instanceof Container)) {
throw new WorkspaceValidationException(
String.format("A container instance is associated with a container (id=%s) that does not exist in the model.", containerInstance.getContainerId()));
}
containerInstance.setContainer((Container)container);
containerInstance.setParent(deploymentNode);
addElementToInternalStructures(containerInstance);
}
for (InfrastructureNode infrastructureNode : deploymentNode.getInfrastructureNodes()) {
infrastructureNode.setParent(deploymentNode);
addElementToInternalStructures(infrastructureNode);
}
}
private void checkNameIsUnique(Collection elements, String name, String errorMessage) {
if (elements.stream().filter(e -> e.getName().equals(name)).count() != 1) {
throw new WorkspaceValidationException(
String.format(errorMessage, name));
}
}
private void checkNameIsUnique(Collection deploymentNodes, String name, String environment, String errorMessage) {
if (deploymentNodes.stream().filter(dn -> dn.getName().equals(name) && dn.getEnvironment().equals(environment)).count() != 1) {
throw new WorkspaceValidationException(
String.format(errorMessage, name));
}
}
private void checkChildNamesAreUnique(DeploymentNode deploymentNode) {
for (DeploymentNode child : deploymentNode.getChildren()) {
checkNameIsUnique(deploymentNode.getChildren(), child.getName(), deploymentNode.getEnvironment(), "A deployment node named \"%s\" already exists within \"" + deploymentNode.getName() + "\".");
if (child.hasChildren()) {
checkChildNamesAreUnique(child);
}
}
}
private void checkDescriptionIsUnique(Collection relationships, Relationship relationship) {
if (relationships.stream().filter(r -> r.getDestination().equals(relationship.getDestination()) && r.getDescription().equals(relationship.getDescription())).count() != 1) {
throw new WorkspaceValidationException(
String.format(
"A relationship with the description \"%s\" already exists between \"%s\" and \"%s\".",
relationship.getDescription(), relationship.getSource().getName(), relationship.getDestination().getName()));
}
}
private void hydrateRelationships(Element element) {
for (Relationship relationship : element.getRelationships()) {
relationship.setSource(getElement(relationship.getSourceId()));
relationship.setDestination(getElement(relationship.getDestinationId()));
addRelationshipToInternalStructures(relationship);
}
}
/**
* Determines whether this model contains the specified element.
*
* @param element an element
* @return true, if the element is contained in this model
*/
public boolean contains(Element element) {
return elements.contains(element);
}
/**
* Determines whether this model contains the specified relationship.
*
* @param relationship a relationship
* @return true, if the relationship is contained in this model
*/
public boolean contains(Relationship relationship) {
return relationships.contains(relationship);
}
/**
* Gets the software system with the specified name.
*
* @param name the name of a {@link SoftwareSystem}
* @return the SoftwareSystem instance with the specified name (or null if it doesn't exist)
* @throws IllegalArgumentException if the name is null or empty
*/
@Nullable
public SoftwareSystem getSoftwareSystemWithName(@Nonnull String name) {
if (name == null || name.trim().length() == 0) {
throw new IllegalArgumentException("A software system name must be specified.");
}
for (SoftwareSystem softwareSystem : getSoftwareSystems()) {
if (softwareSystem.getName().equals(name)) {
return softwareSystem;
}
}
return null;
}
/**
* Gets the software system with the specified ID.
*
* @param id the {@link SoftwareSystem#getId()} of the software system
* @return the SoftwareSystem instance with the specified ID (or null if it doesn't exist).
* @throws IllegalArgumentException if the id is null or empty
* @see SoftwareSystem#getId()
*/
@Nullable
public SoftwareSystem getSoftwareSystemWithId(@Nonnull String id) {
if (id == null || id.trim().length() == 0) {
throw new IllegalArgumentException("A software system ID must be specified.");
}
for (SoftwareSystem softwareSystem : getSoftwareSystems()) {
if (softwareSystem.getId().equals(id)) {
return softwareSystem;
}
}
return null;
}
/**
* Gets the person with the specified name.
*
* @param name the name of the person
* @return the Person instance with the specified name (or null if it doesn't exist)
* @throws IllegalArgumentException if the name is null or empty
*/
@Nullable
public Person getPersonWithName(@Nonnull String name) {
if (name == null || name.trim().length() == 0) {
throw new IllegalArgumentException("A person name must be specified.");
}
for (Person person : getPeople()) {
if (person.getName().equals(name)) {
return person;
}
}
return null;
}
/**
* Gets the custom element with the specified name.
*
* @param name the name of the custom element
* @return the CustomElement instance with the specified name (or null if it doesn't exist)
* @throws IllegalArgumentException if the name is null or empty
*/
@Nullable
public CustomElement getCustomElementWithName(@Nonnull String name) {
if (name == null || name.trim().length() == 0) {
throw new IllegalArgumentException("A custom element name must be specified.");
}
for (CustomElement customElement : getCustomElements()) {
if (customElement.getName().equals(name)) {
return customElement;
}
}
return null;
}
/**
* Determines whether this model is empty.
*
* @return true if the model contains no people, software systems or deployment nodes; false otherwise
*/
@JsonIgnore
public boolean isEmpty() {
return people.isEmpty() && softwareSystems.isEmpty() && deploymentNodes.isEmpty();
}
/**
* Adds a top-level deployment node to this model.
*
* @param name the name of the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nonnull String name) {
return addDeploymentNode(DeploymentNode.DEFAULT_DEPLOYMENT_ENVIRONMENT, name, null, null);
}
/**
* Adds a top-level deployment node to this model.
*
* @param name the name of the deployment node
* @param description the description of the deployment node
* @param technology the technology associated with the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nonnull String name, @Nullable String description, @Nullable String technology) {
return addDeploymentNode(DeploymentElement.DEFAULT_DEPLOYMENT_ENVIRONMENT, name, description, technology);
}
/**
* Adds a top-level deployment node to this model.
*
* @param environment the name of the deployment environment
* @param name the name of the deployment node
* @param description the description of the deployment node
* @param technology the technology associated with the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nullable String environment, @Nonnull String name, @Nullable String description, @Nullable String technology) {
return addDeploymentNode(environment, name, description, technology, 1);
}
/**
* Adds a top-level deployment node to this model.
*
* @param name the name of the deployment node
* @param description the description of the deployment node
* @param technology the technology associated with the deployment node
* @param instances the number of instances of the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nonnull String name, @Nullable String description, @Nullable String technology, int instances) {
return addDeploymentNode(DeploymentElement.DEFAULT_DEPLOYMENT_ENVIRONMENT, name, description, technology, instances);
}
/**
* Adds a top-level deployment node to this model.
*
* @param environment the name of the deployment environment
* @param name the name of the deployment node
* @param description the description of the deployment node
* @param technology the technology associated with the deployment node
* @param instances the number of instances of the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nullable String environment, @Nonnull String name, @Nullable String description, @Nullable String technology, int instances) {
return addDeploymentNode(environment, name, description, technology, instances, null);
}
/**
* Adds a top-level deployment node to this model.
*
* @param name the name of the deployment node
* @param description the description of the deployment node
* @param technology the technology associated with the deployment node
* @param instances the number of instances of the deployment node
* @param properties a map of name/value properties associated with the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nonnull String name, String description, String technology, int instances, Map properties) {
return addDeploymentNode(DeploymentElement.DEFAULT_DEPLOYMENT_ENVIRONMENT, name, description, technology, instances, properties);
}
/**
* Adds a top-level deployment node to this model.
*
* @param environment the name of the deployment environment
* @param name the name of the deployment node
* @param description the description of the deployment node
* @param technology the technology associated with the deployment node
* @param instances the number of instances of the deployment node
* @param properties a map of name/value properties associated with the deployment node
* @return a DeploymentNode instance
* @throws IllegalArgumentException if the name is not specified, or a top-level deployment node with the same name already exists in the model
*/
@Nonnull
public DeploymentNode addDeploymentNode(@Nullable String environment, @Nonnull String name, String description, String technology, int instances, Map properties) {
return addDeploymentNode(null, environment, name, description, technology, instances, properties);
}
@Nonnull
DeploymentNode addDeploymentNode(DeploymentNode parent, @Nullable String environment, @Nonnull String name, String description, String technology, int instances, Map properties) {
if (name == null || name.trim().length() == 0) {
throw new IllegalArgumentException("A name must be specified.");
}
if ((parent == null && getDeploymentNodeWithName(name, environment) == null) || (parent != null && parent.getDeploymentNodeWithName(name) == null && parent.getInfrastructureNodeWithName(name) == null)) {
DeploymentNode deploymentNode = new DeploymentNode();
deploymentNode.setName(name);
deploymentNode.setDescription(description);
deploymentNode.setTechnology(technology);
deploymentNode.setParent(parent);
deploymentNode.setInstances(instances);
deploymentNode.setEnvironment(environment);
deploymentNode.setId(idGenerator.generateId(deploymentNode));
if (properties != null) {
deploymentNode.setProperties(properties);
}
if (parent == null) {
deploymentNodes.add(deploymentNode);
}
addElementToInternalStructures(deploymentNode);
return deploymentNode;
} else {
throw new IllegalArgumentException("A deployment/infrastructure node named '" + name + "' already exists.");
}
}
@Nonnull
InfrastructureNode addInfrastructureNode(DeploymentNode parent, @Nonnull String name, String description, String technology, Map properties) {
if (name == null || name.trim().length() == 0) {
throw new IllegalArgumentException("A name must be specified.");
}
if (parent.getDeploymentNodeWithName(name) == null && parent.getInfrastructureNodeWithName(name) == null) {
InfrastructureNode infrastructureNode = new InfrastructureNode();
infrastructureNode.setName(name);
infrastructureNode.setDescription(description);
infrastructureNode.setTechnology(technology);
infrastructureNode.setParent(parent);
infrastructureNode.setEnvironment(parent.getEnvironment());
infrastructureNode.setId(idGenerator.generateId(infrastructureNode));
if (properties != null) {
infrastructureNode.setProperties(properties);
}
addElementToInternalStructures(infrastructureNode);
return infrastructureNode;
} else {
throw new IllegalArgumentException("A deployment/infrastructure node named '" + name + "' already exists.");
}
}
/**
* Gets the deployment node with the specified name and default environment.
*
* @param name the name of the deployment node
* @return the DeploymentNode instance with the specified name (or null if it doesn't exist).
*/
public DeploymentNode getDeploymentNodeWithName(String name) {
return getDeploymentNodeWithName(name, DeploymentElement.DEFAULT_DEPLOYMENT_ENVIRONMENT);
}
/**
* Gets the deployment node with the specified name and environment.
*
* @param name the name of the deployment node
* @param environment the name of the deployment environment
* @return the DeploymentNode instance with the specified name (or null if it doesn't exist).
*/
public DeploymentNode getDeploymentNodeWithName(String name, String environment) {
for (DeploymentNode deploymentNode : getDeploymentNodes()) {
if (deploymentNode.getEnvironment().equals(environment) && deploymentNode.getName().equals(name)) {
return deploymentNode;
}
}
return null;
}
SoftwareSystemInstance addSoftwareSystemInstance(DeploymentNode deploymentNode, SoftwareSystem softwareSystem, String... deploymentGroups) {
if (softwareSystem == null) {
throw new IllegalArgumentException("A software system must be specified.");
}
long instanceNumber = deploymentNode.getSoftwareSystemInstances().stream().filter(ssi -> ssi.getSoftwareSystem().equals(softwareSystem)).count();
instanceNumber++;
SoftwareSystemInstance softwareSystemInstance = new SoftwareSystemInstance(softwareSystem, (int)instanceNumber, deploymentNode.getEnvironment(), deploymentGroups);
softwareSystemInstance.setParent(deploymentNode);
softwareSystemInstance.setId(idGenerator.generateId(softwareSystemInstance));
replicateElementRelationships(softwareSystemInstance);
addElementToInternalStructures(softwareSystemInstance);
return softwareSystemInstance;
}
ContainerInstance addContainerInstance(DeploymentNode deploymentNode, Container container, String... deploymentGroups) {
if (container == null) {
throw new IllegalArgumentException("A container must be specified.");
}
long instanceNumber = deploymentNode.getContainerInstances().stream().filter(ci -> ci.getContainer().equals(container)).count();
instanceNumber++;
ContainerInstance containerInstance = new ContainerInstance(container, (int)instanceNumber, deploymentNode.getEnvironment(), deploymentGroups);
containerInstance.setParent(deploymentNode);
containerInstance.setId(idGenerator.generateId(containerInstance));
replicateElementRelationships(containerInstance);
addElementToInternalStructures(containerInstance);
return containerInstance;
}
private void replicateElementRelationships(StaticStructureElementInstance elementInstance) {
StaticStructureElement element = elementInstance.getElement();
// find all StaticStructureElementInstance objects in the same deployment environment and deployment group
Set elementInstances = getElements().stream()
.filter(e -> e instanceof StaticStructureElementInstance)
.map(e -> (StaticStructureElementInstance)e)
.filter(ssei -> ssei.getEnvironment().equals(elementInstance.getEnvironment()))
.filter(ssei -> ssei.inSameDeploymentGroup(elementInstance))
.collect(Collectors.toSet());
// and replicate the relationships to/from the element instance
for (StaticStructureElementInstance ssei : elementInstances) {
StaticStructureElement sse = ssei.getElement();
for (Relationship relationship : element.getRelationships()) {
if (relationship.getDestination().equals(sse)) {
Relationship newRelationship = addRelationship(elementInstance, ssei, relationship.getDescription(), relationship.getTechnology(), relationship.getInteractionStyle());
if (newRelationship != null) {
newRelationship.setTags(null);
newRelationship.setLinkedRelationshipId(relationship.getId());
}
}
}
for (Relationship relationship : sse.getRelationships()) {
if (relationship.getDestination().equals(element)) {
Relationship newRelationship = addRelationship(ssei, elementInstance, relationship.getDescription(), relationship.getTechnology(), relationship.getInteractionStyle());
if (newRelationship != null) {
newRelationship.setTags(null);
newRelationship.setLinkedRelationshipId(relationship.getId());
}
}
}
}
}
/**
* Gets the element with the specified canonical name.
*
* @param canonicalName the canonical name (e.g. /SoftwareSystem/Container)
* @return the Element with the given canonical name, or null if one doesn't exist
* @throws IllegalArgumentException if the canonical name is null or empty
*/
public Element getElementWithCanonicalName(String canonicalName) {
if (canonicalName == null || canonicalName.trim().length() == 0) {
throw new IllegalArgumentException("A canonical name must be specified.");
}
for (Element element : getElements()) {
if (element.getCanonicalName().equals(canonicalName)) {
return element;
}
}
return null;
}
/**
* Sets the ID generator associated with this model.
*
* @param idGenerator an IdGenerate instance
* @throws IllegalArgumentException if the ID generator is null
*/
public void setIdGenerator(IdGenerator idGenerator) {
if (idGenerator == null) {
throw new IllegalArgumentException("An ID generator must be provided.");
}
this.idGenerator = idGenerator;
}
/**
* Provides a way for the description and technology to be modified on an existing relationship.
*
* @param relationship a Relationship instance
* @param description the new description
* @param technology the new technology
*/
public void modifyRelationship(Relationship relationship, String description, String technology) {
if (relationship == null) {
throw new IllegalArgumentException("A relationship must be specified.");
}
if (!relationship.getSource().hasEfferentRelationshipWith(relationship.getDestination(), description)) {
relationship.setDescription(description);
relationship.setTechnology(technology);
} else {
throw new IllegalArgumentException(
String.format("A relationship named \"%s\" between \"%s\" and \"%s\" already exists.",
description,
relationship.getSource().getName(),
relationship.getDestination().getName()));
}
}
/**
* Gets the strategy in use for creating implied relationships.
*
* @return an ImpliedRelationshipStrategy implementation
*/
@JsonIgnore
public ImpliedRelationshipsStrategy getImpliedRelationshipsStrategy() {
return impliedRelationshipsStrategy;
}
/**
* Sets the strategy is use for creating implied relationships.
*
* @param impliedRelationshipStrategy an ImpliedRelationshipStrategy implementation
*/
public void setImpliedRelationshipsStrategy(ImpliedRelationshipsStrategy impliedRelationshipStrategy) {
if (impliedRelationshipStrategy != null) {
this.impliedRelationshipsStrategy = impliedRelationshipStrategy;
} else {
this.impliedRelationshipsStrategy = new DefaultImpliedRelationshipsStrategy();
}
}
/**
* Gets the collection of name-value property pairs, as a Map.
*
* @return a Map (String, String) (empty if there are no properties)
*/
public Map getProperties() {
return new HashMap<>(properties);
}
/**
* Adds a name-value pair property.
*
* @param name the name of the property
* @param value the value of the property
*/
public void addProperty(String name, String value) {
if (name == null || name.trim().length() == 0) {
throw new IllegalArgumentException("A property name must be specified.");
}
if (value == null || value.trim().length() == 0) {
throw new IllegalArgumentException("A property value must be specified.");
}
properties.put(name, value);
}
void setProperties(Map properties) {
if (properties != null) {
this.properties = new HashMap<>(properties);
}
}
/**
* Removes a custom element from the model.
*
* @param element the CustomElement object to remove
*/
void remove(CustomElement element) {
removeElement(element);
customElements.remove(element);
}
/**
* Removes a person from the model.
*
* @param person the Person object to remove
*/
void remove(Person person) {
removeElement(person);
people.remove(person);
}
/**
* Removes a software system from the model.
*
* @param softwareSystem the SoftwareSystem object to remove
*/
void remove(SoftwareSystem softwareSystem) {
removeElement(softwareSystem);
softwareSystems.remove(softwareSystem);
}
/**
* Removes a container from the model.
*
* @param container the Container object to remove
*/
void remove(Container container) {
removeElement(container);
container.getSoftwareSystem().remove(container);
}
/**
* Removes a component from the model.
*
* @param component the Component object to remove
*/
void remove(Component component) {
removeElement(component);
component.getContainer().remove(component);
}
/**
* Removes a software system instance from the model.
*
* @param softwareSystemInstance the SoftwareSystemInstance object to remove
*/
void remove(SoftwareSystemInstance softwareSystemInstance) {
removeElement(softwareSystemInstance);
Set deploymentNodes = getElements().stream().filter(e -> e instanceof DeploymentNode).map(e -> (DeploymentNode)e).collect(Collectors.toSet());
for (DeploymentNode deploymentNode : deploymentNodes) {
deploymentNode.remove(softwareSystemInstance);
}
}
/**
* Removes a container instance from the model.
*
* @param containerInstance the ContainerInstance object to remove
*/
void remove(ContainerInstance containerInstance) {
removeElement(containerInstance);
Set deploymentNodes = getElements().stream().filter(e -> e instanceof DeploymentNode).map(e -> (DeploymentNode)e).collect(Collectors.toSet());
for (DeploymentNode deploymentNode : deploymentNodes) {
deploymentNode.remove(containerInstance);
}
}
/**
* Removes a deployment node from the model.
*
* @param deploymentNode the DeploymentNode object to remove
*/
void remove(DeploymentNode deploymentNode) {
removeElement(deploymentNode);
if (deploymentNode.getParent() == null) {
deploymentNodes.remove(deploymentNode);
} else {
((DeploymentNode)deploymentNode.getParent()).remove(deploymentNode);
}
}
private void removeElement(Element element) {
if (element == null) {
throw new IllegalArgumentException("An element must be specified.");
}
// remove any relationships to/from the element
for (Relationship relationship : getRelationships()) {
if (relationship.getSource() == element || relationship.getDestination() == element) {
removeRelationshipFromInternalStructures(relationship);
relationship.getSource().remove(relationship);
}
}
elementsById.remove(element.getId());
elements.remove(element);
}
}
