1 files changed, 91 insertions, 0 deletions
diff --git a/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/service/QueryService.java b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/service/QueryService.java
new file mode 100644
index 000000000..2ff6fcb1d
--- /dev/null
+++ b/appc-provider/appc-provider-bundle/src/main/java/org/onap/appc/provider/lcm/service/QueryService.java
@@ -0,0 +1,91 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.appc.provider.lcm.service;
+
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.Action;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.QueryInput;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.QueryOutputBuilder;
+import org.opendaylight.yang.gen.v1.org.onap.appc.lcm.rev160108.query.output.QueryResults;
+import org.onap.appc.requesthandler.objects.RequestHandlerInput;
+import org.onap.appc.requesthandler.objects.RequestHandlerOutput;
+
+import java.util.List;
+
+/**
+ * Provide LCM command service for Query of VNF state/status
+ */
+public class QueryService extends AbstractBaseService {
+    private List<QueryResults> queryResultList;
+
+    /**
+     * Constructor
+     */
+    public QueryService() {
+        super(Action.Query);
+        logger.debug("QueryService starts");
+    }
+
+    /**
+     * Process the input for the query service
+     * @param input of QueryInput from the REST API input
+     * @return QueryOutputBuilder which has the query results
+     */
+    public QueryOutputBuilder process(QueryInput input) {
+        validate(input);
+        if (status == null) {
+            proceedAction(input);
+        }
+
+        QueryOutputBuilder outputBuilder = new QueryOutputBuilder();
+        outputBuilder.setStatus(status);
+        outputBuilder.setQueryResults(queryResultList);
+        outputBuilder.setCommonHeader(input.getCommonHeader());
+        return outputBuilder;
+    }
+
+    /**
+     * Validate the input.
+     * Set Status if any error occurs.
+     *
+     * @param input of QueryInput from the REST API input
+     */
+    void validate(QueryInput input) {
+        status = validateVnfId(input.getCommonHeader(), input.getAction(), input.getActionIdentifiers());
+    }
+
+    /**
+     * Proceed to action for the query service.
+     *
+     * @param input of QueryInput from the REST API input
+     */
+    void proceedAction(QueryInput input) {
+        RequestHandlerInput requestHandlerInput = getRequestHandlerInput(
+            input.getCommonHeader(), input.getActionIdentifiers(), null, this.getClass().getName());
+        if (requestHandlerInput != null) {
+            RequestHandlerOutput requestHandlerOutput = executeAction(requestHandlerInput);
+            queryResultList = (List<QueryResults>) requestHandlerOutput.getResponseContext().getPayloadObject();
+        }
+    }
+}