import org.json.JSONObject;
import org.oransc.policyagent.configuration.RicConfig;
+import org.oransc.policyagent.configuration.WebClientConfig;
import org.oransc.policyagent.repository.Policy;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
+/**
+ * Client for accessing OSC A1 REST API
+ */
@SuppressWarnings("squid:S2629") // Invoke method(s) only conditionally
public class OscA1Client implements A1Client {
+ static final int CONCURRENCY_RIC = 1; // How may paralell requests that is sent to one NearRT RIC
public static class UriBuilder implements A1UriBuilder {
private final RicConfig ricConfig;
return createPolicyUri(type, policyId);
}
+ /**
+ * /a1-p/policytypes/{policy_type_id}/policies
+ */
public String createGetPolicyIdsUri(String type) {
return createPolicyTypeUri(type) + "/policies";
}
return createPolicyUri(type, policyId);
}
+ /**
+ * /a1-p/policytypes/{policy_type_id}/policies/{policy_instance_id}/status
+ */
@Override
public String createGetPolicyStatusUri(String type, String policyId) {
return createPolicyUri(type, policyId) + "/status";
}
+ /**
+ * /a1-p/healthcheck
+ */
public String createHealtcheckUri() {
return baseUri() + "/healthcheck";
}
+ /**
+ * /a1-p/policytypes/{policy_type_id}
+ */
public String createGetSchemaUri(String type) {
return this.createPolicyTypeUri(type);
}
+ /**
+ * /a1-p/policytypes/{policy_type_id}
+ */
public String createPolicyTypesUri() {
return baseUri() + "/policytypes";
}
+ /**
+ * /a1-p/policytypes/{policy_type_id}/policies/{policy_instance_id}
+ */
private String createPolicyUri(String type, String id) {
return createPolicyTypeUri(type) + "/policies/" + id;
}
+ /**
+ * /a1-p/policytypes/{policy_type_id}
+ */
private String createPolicyTypeUri(String type) {
return createPolicyTypesUri() + "/" + type;
}
private final AsyncRestClient restClient;
private final UriBuilder uri;
- public OscA1Client(RicConfig ricConfig) {
- this(ricConfig, new AsyncRestClient(""));
+ public OscA1Client(RicConfig ricConfig, WebClientConfig clientConfig) {
+ this(ricConfig, new AsyncRestClient("", clientConfig));
}
public OscA1Client(RicConfig ricConfig, AsyncRestClient restClient) {
uri = new UriBuilder(ricConfig);
}
+ public static Mono<String> extractCreateSchema(String policyTypeResponse, String policyTypeId) {
+ try {
+ JSONObject obj = new JSONObject(policyTypeResponse);
+ JSONObject schemaObj = obj.getJSONObject("create_schema");
+ schemaObj.put(TITLE, policyTypeId);
+ return Mono.just(schemaObj.toString());
+ } catch (Exception e) {
+ String exceptionString = e.toString();
+ logger.error("Unexpected response for policy type: {}, exception: {}", policyTypeResponse, exceptionString);
+ return Mono.error(e);
+ }
+ }
+
@Override
public Mono<List<String>> getPolicyTypeIdentities() {
return getPolicyTypeIds() //
public Mono<String> getPolicyTypeSchema(String policyTypeId) {
String schemaUri = uri.createGetSchemaUri(policyTypeId);
return restClient.get(schemaUri) //
- .flatMap(response -> getCreateSchema(response, policyTypeId));
+ .flatMap(response -> extractCreateSchema(response, policyTypeId));
}
@Override
@Override
public Flux<String> deleteAllPolicies() {
return getPolicyTypeIds() //
- .flatMap(this::deletePoliciesForType);
+ .flatMap(this::deletePoliciesForType, CONCURRENCY_RIC);
}
@Override
private Flux<String> getPolicyTypeIds() {
return restClient.get(uri.createPolicyTypesUri()) //
- .flatMapMany(JsonHelper::parseJsonArrayOfString);
+ .flatMapMany(SdncJsonHelper::parseJsonArrayOfString);
}
private Flux<String> getPolicyIdentitiesByType(String typeId) {
return restClient.get(uri.createGetPolicyIdsUri(typeId)) //
- .flatMapMany(JsonHelper::parseJsonArrayOfString);
- }
-
- private Mono<String> getCreateSchema(String policyTypeResponse, String policyTypeId) {
- try {
- JSONObject obj = new JSONObject(policyTypeResponse);
- JSONObject schemaObj = obj.getJSONObject("create_schema");
- schemaObj.put(TITLE, policyTypeId);
- return Mono.just(schemaObj.toString());
- } catch (Exception e) {
- String exceptionString = e.toString();
- logger.error("Unexpected response for policy type: {}, exception: {}", policyTypeResponse, exceptionString);
- return Mono.error(e);
- }
+ .flatMapMany(SdncJsonHelper::parseJsonArrayOfString);
}
private Mono<String> deletePolicyById(String typeId, String policyId) {
private Flux<String> deletePoliciesForType(String typeId) {
return getPolicyIdentitiesByType(typeId) //
- .flatMap(policyId -> deletePolicyById(typeId, policyId));
+ .flatMap(policyId -> deletePolicyById(typeId, policyId), CONCURRENCY_RIC);
}
}