diff options
Diffstat (limited to 'cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/handlers/NcmpDatastoreResourceRequestHandler.java')
-rw-r--r-- | cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/handlers/NcmpDatastoreResourceRequestHandler.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/handlers/NcmpDatastoreResourceRequestHandler.java b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/handlers/NcmpDatastoreResourceRequestHandler.java new file mode 100644 index 000000000..a6d313b05 --- /dev/null +++ b/cps-ncmp-rest/src/main/java/org/onap/cps/ncmp/rest/controller/handlers/NcmpDatastoreResourceRequestHandler.java @@ -0,0 +1,92 @@ +/* + * ============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); + } +} |