public Builder addType(ResourceType type) {
Preconditions.checkNotNull(type);
Preconditions.checkArgument(
!types.contains(type), String.format("%s is already registered", type.getQualifier()));
types.add(type);
return this;
}
public ResourceTypeTree build() {
Collection<String> children = relations.values();
for (ResourceType type : types) {
if (!children.contains(type.getQualifier())) {
root = type;
break;
}
}
return new ResourceTypeTree(this);
}
public ResourceTypes(ResourceTypeTree[] trees) {
Preconditions.checkNotNull(trees);
Map<String, ResourceTypeTree> treeMap = Maps.newHashMap();
Map<String, ResourceType> typeMap = Maps.newLinkedHashMap();
Collection<ResourceType> rootsSet = Sets.newHashSet();
for (ResourceTypeTree tree : trees) {
rootsSet.add(tree.getRootType());
for (ResourceType type : tree.getTypes()) {
if (treeMap.containsKey(type.getQualifier())) {
throw new IllegalStateException(
"Qualifier " + type.getQualifier() + " is defined in several trees");
}
treeMap.put(type.getQualifier(), tree);
typeMap.put(type.getQualifier(), type);
}
}
treeByQualifier = ImmutableMap.copyOf(treeMap);
typeByQualifier = ImmutableMap.copyOf(typeMap);
rootTypes = ImmutableList.copyOf(rootsSet);
}
@Override
public String toString() {
return root.getQualifier();
}