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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.controlloop.actor.aai;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import javax.ws.rs.client.Entity;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onap.policy.aai.AaiConstants;
import org.onap.policy.aai.AaiCqResponse;
import org.onap.policy.common.utils.coder.StandardCoderObject;
import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
import org.onap.policy.controlloop.actorserviceprovider.impl.HttpOperation;
import org.onap.policy.controlloop.actorserviceprovider.impl.HttpOperator;
import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A&AI Custom Query. Stores the {@link AaiCqResponse} in the context. In addition, if the
* context does not contain the "tenant" data for the vserver, then it will request that,
* as well.
*/
public class AaiCustomQueryOperation extends HttpOperation<String> {
private static final Logger logger = LoggerFactory.getLogger(AaiCustomQueryOperation.class);
public static final String NAME = "CustomQuery";
public static final String RESOURCE_LINK = "resource-link";
public static final String RESULT_DATA = "result-data";
private static final String PREFIX = "/aai/v16";
/**
* Constructs the object.
*
* @param params operation parameters
* @param operator operator that created this operation
*/
public AaiCustomQueryOperation(ControlLoopOperationParams params, HttpOperator operator) {
super(params, operator, String.class);
}
/**
* Queries the vserver, if necessary.
*/
@Override
protected CompletableFuture<OperationOutcome> startPreprocessorAsync() {
String vserver = params.getTargetEntity();
ControlLoopOperationParams tenantParams = params.toBuilder().actor(AaiConstants.ACTOR_NAME)
.operation(AaiGetOperation.TENANT).payload(null).retry(null).timeoutSec(null).build();
return params.getContext().obtain(AaiGetOperation.getTenantKey(vserver), tenantParams);
}
@Override
protected CompletableFuture<OperationOutcome> startOperationAsync(int attempt, OperationOutcome outcome) {
Map<String, String> request = makeRequest();
Entity<Map<String, String>> entity = Entity.entity(request, MediaType.APPLICATION_JSON);
Map<String, Object> headers = makeHeaders();
headers.put("Accept", MediaType.APPLICATION_JSON);
String url = makeUrl();
logRestRequest(url, request);
// @formatter:off
return handleResponse(outcome, url,
callback -> operator.getClient().put(callback, makePath(), entity, headers));
// @formatter:on
}
/**
* Constructs the custom query using the previously retrieved tenant data.
*/
private Map<String, String> makeRequest() {
String vserver = params.getTargetEntity();
StandardCoderObject tenant = params.getContext().getProperty(AaiGetOperation.getTenantKey(vserver));
String resourceLink = tenant.getString(RESULT_DATA, 0, RESOURCE_LINK);
if (resourceLink == null) {
throw new IllegalArgumentException("cannot perform custom query - no resource-link");
}
resourceLink = resourceLink.replace(PREFIX, "");
return Map.of("start", resourceLink, "query", "query/closed-loop");
}
@Override
protected Map<String, Object> makeHeaders() {
return AaiUtil.makeHeaders(params);
}
/**
* Injects the response into the context.
*/
@Override
protected void postProcessResponse(OperationOutcome outcome, String url, Response rawResponse, String response) {
logger.info("{}: caching response for {}", getFullName(), params.getRequestId());
params.getContext().setProperty(AaiCqResponse.CONTEXT_KEY, new AaiCqResponse(response));
}
}
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