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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2022 Nordix Foundation
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.ncmp.rest.controller.handlers;
import java.util.Map;
import java.util.UUID;
import java.util.function.Supplier;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.ncmp.api.NetworkCmProxyDataService;
import org.onap.cps.ncmp.rest.executor.CpsNcmpTaskExecutor;
import org.onap.cps.ncmp.rest.util.TopicValidator;
import org.springframework.http.ResponseEntity;
@RequiredArgsConstructor
@Slf4j
public abstract class NcmpDatastoreResourceRequestHandler {
private static final String NO_REQUEST_ID = null;
private static final String NO_TOPIC = null;
protected final NetworkCmProxyDataService networkCmProxyDataService;
protected final CpsNcmpTaskExecutor cpsNcmpTaskExecutor;
protected final int timeOutInMilliSeconds;
protected final boolean notificationFeatureEnabled;
protected abstract Supplier<Object> getTask(final String cmHandle,
final String resourceIdentifier,
final String optionsParamInQuery,
final String topicParamInQuery,
final String requestId,
final Boolean includeDescendant);
/**
* Get resource data from datastore.
*
* @param cmHandleId the cm handle
* @param resourceIdentifier the resource identifier
* @param optionsParamInQuery the options param in query
* @param topicParamInQuery the topic param in query
* @param includeDescendants whether include descendants
* @return the response entity
*/
public ResponseEntity<Object> getResourceData(final String cmHandleId,
final String resourceIdentifier,
final String optionsParamInQuery,
final String topicParamInQuery,
final Boolean includeDescendants) {
final String requestId = UUID.randomUUID().toString();
final boolean asyncResponseRequested = topicParamInQuery != null;
if (asyncResponseRequested && notificationFeatureEnabled) {
TopicValidator.validateTopicName(topicParamInQuery);
log.debug("Received Async request with id {}", requestId);
cpsNcmpTaskExecutor.executeTask(
getTask(cmHandleId, resourceIdentifier, optionsParamInQuery, topicParamInQuery, requestId,
includeDescendants), timeOutInMilliSeconds);
return ResponseEntity.ok(Map.of("requestId", requestId));
}
if (asyncResponseRequested) {
log.warn("Asynchronous messaging is currently disabled, will use synchronous operation.");
}
final Object responseObject =
getTask(cmHandleId, resourceIdentifier, optionsParamInQuery, NO_TOPIC, NO_REQUEST_ID,
includeDescendants).get();
return ResponseEntity.ok(responseObject);
}
}
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