package org.onap.so.client.graphinventory;
import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.util.Arrays;
+import java.util.List;
import java.util.Map;
import java.util.Optional;
import javax.ws.rs.NotFoundException;
import org.onap.so.client.RestProperties;
import org.onap.so.client.graphinventory.entities.GraphInventoryEdgeLabel;
import org.onap.so.client.graphinventory.entities.GraphInventoryResultWrapper;
+import org.onap.so.client.graphinventory.entities.uri.GraphInventoryPluralResourceUri;
import org.onap.so.client.graphinventory.entities.uri.GraphInventoryResourceUri;
+import org.onap.so.client.graphinventory.entities.uri.GraphInventorySingleResourceUri;
+import org.onap.so.client.graphinventory.entities.uri.HttpAwareUri;
+import org.onap.so.client.graphinventory.exceptions.GraphInventoryMultipleItemsException;
-public abstract class GraphInventoryResourcesClient<Self, Uri extends GraphInventoryResourceUri, EdgeLabel extends GraphInventoryEdgeLabel, Wrapper extends GraphInventoryResultWrapper, TransactionalClient, SingleTransactionClient> {
+public abstract class GraphInventoryResourcesClient<Self, Uri extends GraphInventoryResourceUri<?, ?>, SingleUri extends GraphInventorySingleResourceUri<?, ?, ?, ?>, PluralUri extends GraphInventoryPluralResourceUri<?, ?>, EdgeLabel extends GraphInventoryEdgeLabel, Wrapper extends GraphInventoryResultWrapper, TransactionalClient, SingleTransactionClient> {
protected GraphInventoryClient client;
* @param uri
* @return
*/
- public void create(Uri uri, Object obj) {
+ public void create(SingleUri uri, Object obj) {
RestClient giRC = client.createClient(uri);
giRC.put(obj);
}
* @param uri
* @return
*/
- public void createEmpty(Uri uri) {
+ public void createEmpty(SingleUri uri) {
RestClient giRC = client.createClient(uri);
giRC.put("");
}
* @return
*/
public boolean exists(Uri uri) {
- GraphInventoryResourceUri forceMinimal = uri.clone();
+ GraphInventoryResourceUri<?, ?> forceMinimal = (Uri) uri.clone();
forceMinimal.format(Format.COUNT);
forceMinimal.limit(1);
try {
* @param uriB
* @return
*/
- public void connect(Uri uriA, Uri uriB) {
- GraphInventoryResourceUri uriAClone = uriA.clone();
+ public void connect(SingleUri uriA, SingleUri uriB) {
+ GraphInventorySingleResourceUri<?, ?, ?, ?> uriAClone = (SingleUri) uriA.clone();
RestClient giRC = client.createClient(uriAClone.relationshipAPI());
giRC.put(this.buildRelationship(uriB));
}
* @param edge label
* @return
*/
- public void connect(Uri uriA, Uri uriB, EdgeLabel label) {
- GraphInventoryResourceUri uriAClone = uriA.clone();
+ public void connect(SingleUri uriA, SingleUri uriB, EdgeLabel label) {
+ GraphInventorySingleResourceUri<?, ?, ?, ?> uriAClone = (SingleUri) uriA.clone();
RestClient giRC = client.createClient(uriAClone.relationshipAPI());
giRC.put(this.buildRelationship(uriB, label));
}
* @param uriB
* @return
*/
- public void disconnect(Uri uriA, Uri uriB) {
- GraphInventoryResourceUri uriAClone = uriA.clone();
+ public void disconnect(SingleUri uriA, SingleUri uriB) {
+ GraphInventorySingleResourceUri<?, ?, ?, ?> uriAClone = (SingleUri) uriA.clone();
RestClient giRC = client.createClient(uriAClone.relationshipAPI());
giRC.delete(this.buildRelationship(uriB));
}
* @param uri
* @return
*/
- public void delete(Uri uri) {
- GraphInventoryResourceUri clone = uri.clone();
+ public void delete(SingleUri uri) {
+ GraphInventorySingleResourceUri<?, ?, ?, ?> clone = (SingleUri) uri.clone();
RestClient giRC = client.createClient(clone);
Map<String, Object> result = giRC.get(new GenericType<Map<String, Object>>() {}).orElseThrow(
() -> new NotFoundException(clone.build() + " does not exist in " + client.getGraphDBName()));
* @param uri
* @return
*/
- public void update(Uri uri, Object obj) {
+ public void update(SingleUri uri, Object obj) {
RestClient giRC = client.createClient(uri);
giRC.patch(obj);
}
}
}
+ public <T, R> Optional<R> getOne(Class<T> pluralClass, Class<R> resultClass, PluralUri uri) {
+ Optional<List<R>> result = unwrapPlural(pluralClass, resultClass, uri);
+
+ if (result.isPresent()) {
+ if (result.get().size() == 1) {
+ return Optional.of(result.get().get(0));
+ } else {
+ throw new GraphInventoryMultipleItemsException(result.get().size(), uri);
+ }
+ }
+
+ return Optional.empty();
+ }
+
+ public <T, R> Optional<R> getFirst(Class<T> pluralClass, Class<R> resultClass, PluralUri uri) {
+ Optional<List<R>> result = unwrapPlural(pluralClass, resultClass, uri);
+
+ if (result.isPresent() && !result.get().isEmpty()) {
+ return Optional.of(result.get().get(0));
+ }
+
+ return Optional.empty();
+ }
+
+ public <T, R> Optional<Wrapper> getFirstWrapper(Class<T> pluralClass, Class<R> resultClass, PluralUri uri) {
+
+ Optional<R> result = getFirst(pluralClass, resultClass, uri);
+ if (result.isPresent()) {
+ return Optional.of(this.createWrapper(result.get()));
+ } else {
+ return Optional.empty();
+ }
+ }
+
+ public <T, R> Optional<Wrapper> getOneWrapper(Class<T> pluralClass, Class<R> resultClass, PluralUri uri) {
+
+ Optional<R> result = getOne(pluralClass, resultClass, uri);
+ if (result.isPresent()) {
+ return Optional.of(this.createWrapper(result.get()));
+ } else {
+ return Optional.empty();
+ }
+ }
+
+ protected <T, R> Optional<List<R>> unwrapPlural(Class<T> pluralClass, Class<R> resultClass, PluralUri uri) {
+ try {
+ PluralUri clone = (PluralUri) uri.clone().limit(1);
+ Optional<T> obj = client.createClient(clone).get(pluralClass);
+ if (obj.isPresent()) {
+ Optional<Method> listMethod = Arrays.stream(obj.get().getClass().getMethods()).filter(method -> {
+
+ Type returnType = method.getGenericReturnType();
+ if (returnType instanceof ParameterizedType) {
+ Type[] types = ((ParameterizedType) returnType).getActualTypeArguments();
+ if (types != null && types[0] instanceof Class) {
+ Class<?> listClass = (Class<?>) types[0];
+ return resultClass.equals(listClass);
+ }
+ }
+
+ return false;
+ }).findFirst();
+ if (listMethod.isPresent()) {
+ try {
+ return Optional.of((List<R>) listMethod.get().invoke(obj.get()));
+
+ } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+ throw new RuntimeException(e);
+ }
+ }
+ }
+ return Optional.empty();
+
+ } catch (NotFoundException e) {
+ if (this.getRestProperties().mapNotFoundToEmpty()) {
+ return Optional.empty();
+ } else {
+ throw e;
+ }
+ }
+ }
+
/**
* Retrieves an object from GraphInventory wrapped in a helper class which offer additional features
*
* @param uri
* @return
*/
- public Self createIfNotExists(Uri uri, Optional<Object> obj) {
- if (!this.exists(uri)) {
+ public Self createIfNotExists(SingleUri uri, Optional<Object> obj) {
+ if (!this.exists((Uri) uri)) {
if (obj.isPresent()) {
this.create(uri, obj.get());
} else {
return (Self) this;
}
- protected Relationship buildRelationship(GraphInventoryResourceUri uri) {
+ protected Relationship buildRelationship(SingleUri uri) {
return buildRelationship(uri, Optional.empty());
}
- protected Relationship buildRelationship(GraphInventoryResourceUri uri, GraphInventoryEdgeLabel label) {
+ protected Relationship buildRelationship(SingleUri uri, GraphInventoryEdgeLabel label) {
return buildRelationship(uri, Optional.of(label));
}
- protected Relationship buildRelationship(GraphInventoryResourceUri uri, Optional<GraphInventoryEdgeLabel> label) {
+ protected Relationship buildRelationship(SingleUri uri, Optional<GraphInventoryEdgeLabel> label) {
final Relationship result = new Relationship();
- result.setRelatedLink(uri.build().toString());
+ if (uri instanceof HttpAwareUri) {
+ result.setRelatedLink(((HttpAwareUri) uri).locateAndBuild().toString());
+ } else {
+ result.setRelatedLink(uri.build().toString());
+ }
if (label.isPresent()) {
result.setRelationshipLabel(label.get().toString());
}
public abstract Wrapper createWrapper(String json);
+ public abstract Wrapper createWrapper(Object json);
+
/**
* Starts a transaction which encloses multiple GraphInventory mutations
*
Code Review / so.git / blobdiff