1 files changed, 132 insertions, 0 deletions
diff --git a/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/impl/RequestValidatorImpl.java b/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/impl/RequestValidatorImpl.java
new file mode 100644
index 000000000..8724adc59
--- /dev/null
+++ b/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/onap/appc/requesthandler/impl/RequestValidatorImpl.java
@@ -0,0 +1,132 @@
+/*-
+ * ============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.requesthandler.impl;
+
+import com.att.eelf.i18n.EELFResourceManager;
+import org.apache.commons.lang.ObjectUtils;
+import org.onap.appc.domainmodel.lcm.RuntimeContext;
+import org.onap.appc.domainmodel.lcm.VNFContext;
+import org.onap.appc.domainmodel.lcm.VNFOperation;
+import org.onap.appc.executor.UnstableVNFException;
+import org.onap.appc.i18n.Msg;
+import org.onap.appc.lifecyclemanager.LifecycleManager;
+import org.onap.appc.lifecyclemanager.objects.LifecycleException;
+import org.onap.appc.lifecyclemanager.objects.NoTransitionDefinedException;
+import org.onap.appc.logging.LoggingConstants;
+import org.onap.appc.logging.LoggingUtils;
+import org.onap.appc.requesthandler.LCMStateManager;
+import org.onap.appc.requesthandler.exceptions.*;
+import org.onap.appc.workingstatemanager.WorkingStateManager;
+
+
+public class RequestValidatorImpl extends AbstractRequestValidatorImpl {
+
+    private WorkingStateManager workingStateManager;
+    private LCMStateManager lcmStateManager;
+
+    public void setLifecyclemanager(LifecycleManager lifecyclemanager) {
+        this.lifecyclemanager = lifecyclemanager;
+    }
+
+    public void setWorkingStateManager(WorkingStateManager workingStateManager) {
+        this.workingStateManager = workingStateManager;
+    }
+
+    public void setLcmStateManager(LCMStateManager lcmStateManager) {
+        this.lcmStateManager = lcmStateManager;
+    }
+
+    public RequestValidatorImpl() {
+    }
+
+    @Override
+    public void validateRequest(RuntimeContext runtimeContext)
+            throws VNFNotFoundException, RequestExpiredException, UnstableVNFException, InvalidInputException,
+            DuplicateRequestException, NoTransitionDefinedException, LifecycleException, WorkflowNotFoundException,
+            DGWorkflowNotFoundException, MissingVNFDataInAAIException, LCMOperationsDisabledException {
+        if (logger.isTraceEnabled()){
+            logger.trace("Entering to validateRequest with RequestHandlerInput = "+ ObjectUtils.toString(runtimeContext));
+        }
+        if(!lcmStateManager.isLCMOperationEnabled()) {
+            LoggingUtils.logErrorMessage(
+                    LoggingConstants.TargetNames.REQUEST_VALIDATOR,
+                    EELFResourceManager.format(Msg.LCM_OPERATIONS_DISABLED),
+                    this.getClass().getCanonicalName());
+            throw new LCMOperationsDisabledException("APPC LCM operations have been administratively disabled");
+        }
+
+        getAAIservice();
+        validateInput(runtimeContext.getRequestContext());
+        checkVNFWorkingState(runtimeContext);
+        String vnfId = runtimeContext.getRequestContext().getActionIdentifiers().getVnfId();
+        VNFContext vnfContext = queryAAI(vnfId);
+        runtimeContext.setVnfContext(vnfContext);
+
+        queryLCM(runtimeContext.getVnfContext().getStatus(), runtimeContext.getRequestContext().getAction());
+        VNFOperation operation = runtimeContext.getRequestContext().getAction();
+        if(!operation.isBuiltIn()) {
+            // for built-in operations skip WF presence check
+            queryWFM(vnfContext, runtimeContext.getRequestContext());
+        }
+    }
+
+
+    private String queryLCM(String orchestrationStatus, VNFOperation action) throws LifecycleException, NoTransitionDefinedException {
+        if (logger.isTraceEnabled()) {
+            logger.trace("Entering to queryLCM  with Orchestration Status = "+ ObjectUtils.toString(orchestrationStatus)+
+                    ", command = "+ ObjectUtils.toString(action));
+        }
+
+        String nextState = lifecyclemanager.getNextState(null, orchestrationStatus, action.name());
+        if (logger.isDebugEnabled()) {
+            logger.trace("Exiting from queryLCM with (LCMResponse = "+ ObjectUtils.toString(nextState)+")");
+        }
+        return nextState;
+    }
+
+
+    private void checkVNFWorkingState(RuntimeContext runtimeContext) throws UnstableVNFException {
+
+        if (logger.isTraceEnabled()) {
+            logger.trace("Entering to checkVNFWorkingState with RequestHandlerInput = "+ ObjectUtils.toString(runtimeContext.getRequestContext()));
+        }
+        boolean forceFlag = runtimeContext.getRequestContext().getCommonHeader().getFlags() != null && runtimeContext.getRequestContext().getCommonHeader().getFlags().isForce();
+        String vnfId = runtimeContext.getRequestContext().getActionIdentifiers().getVnfId();
+
+        if (logger.isDebugEnabled()) {
+            logger.debug("forceFlag = " + forceFlag);
+        }
+        boolean isVNFStable = workingStateManager.isVNFStable(vnfId);
+        if (!isVNFStable && !forceFlag) {
+            if (logger.isDebugEnabled()) {
+                logger.debug("VNF is not stable for VNF ID = " + vnfId);
+            }
+            throw new UnstableVNFException("VNF is not stable for vnfID = " + vnfId);
+        }
+
+    }
+
+
+}