Appc Interface Services

Scope Overlap API Or REST service

Issue-ID: APPC-348
Change-Id: Id32b4c88f57a9f9ce2234598d03dcca5946d4683
Signed-off-by: Dilip kumar Pampana <dp583p@att.com>

9 files changed, 710 insertions, 0 deletions

diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/InterfacesServiceProvider.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/InterfacesServiceProvider.java
new file mode 100644
index 000000000..df9371f66
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/InterfacesServiceProvider.java
@@ -0,0 +1,66 @@
+/*-
+ * ============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.interfaces.service;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
+import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.InterfacesServiceService;
+import org.onap.appc.interfaces.service.InterfacesServiceProviderImpl;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+
+public class InterfacesServiceProvider{
+
+    private static final EELFLogger log = EELFManager.getInstance().getLogger(InterfacesServiceProvider.class);
+
+    private final DataBroker dataBroker;
+    private final RpcProviderRegistry rpcProviderRegistry;
+    private RpcRegistration <InterfacesServiceService> serviceRegistration;
+    
+    public InterfacesServiceProvider(final DataBroker dataBroker, RpcProviderRegistry rpcProviderRegistry) {
+        this.dataBroker = dataBroker;
+        this.rpcProviderRegistry = rpcProviderRegistry;
+    }
+    /**
+     * Method called when the blueprint container is created.
+     */
+    public void init() {
+        // initialize data broker
+        this.serviceRegistration = this.rpcProviderRegistry.addRpcImplementation(InterfacesServiceService.class,
+                new InterfacesServiceProviderImpl());
+        log.info("DataCollectorProvider Session Initiated");
+    }
+    /**
+     * Method called when the blueprint container is destroyed.
+     */
+    public void close() {
+        if(this.serviceRegistration != null){
+            this.serviceRegistration.close();
+        }
+        log.info("DataCollectorProvider Closed");
+    }
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/InterfacesServiceProviderImpl.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/InterfacesServiceProviderImpl.java
new file mode 100644
index 000000000..8e114a3c6
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/InterfacesServiceProviderImpl.java
@@ -0,0 +1,76 @@
+/*-
+ * ============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.interfaces.service;
+
+import java.util.concurrent.Future;
+
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.ExecuteServiceInput;
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.ExecuteServiceOutput;
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.ExecuteServiceOutputBuilder;
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.InterfacesServiceService;
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.response.info.ResponseInfoBuilder;
+import org.opendaylight.yang.gen.v1.org.onap.appc.interfaces.service.rev170818.status.StatusBuilder;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.onap.appc.interfaces.service.executor.ServiceExecutor;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.util.concurrent.Futures;
+
+public class InterfacesServiceProviderImpl implements InterfacesServiceService{
+
+    private static final Logger log = LoggerFactory.getLogger(InterfacesServiceProviderImpl.class);
+
+    @Override
+    public Future<RpcResult<ExecuteServiceOutput>> executeService(ExecuteServiceInput input) {
+
+        log.info("Received Request: " + input.getRequest().getRequestId() + " Action : " + 
+                input.getRequest().getAction() + " with RequestData  :" + input.getRequest().getRequestData() + " and data-Type : " + input.getRequest().getRequestDataType());
+        String request_id = input.getRequest().getRequestId();
+        String action = input.getRequest().getAction();
+        ResponseInfoBuilder responseInfoBuilder = new ResponseInfoBuilder();
+        ExecuteServiceOutputBuilder executeServicebuilder = new ExecuteServiceOutputBuilder();
+        ServiceExecutor serviceExecutor = new ServiceExecutor();
+        StatusBuilder statusBuilder = new StatusBuilder();
+        try{
+            String response = serviceExecutor.execute(action, input.getRequest().getRequestData(), input.getRequest().getRequestDataType());
+            responseInfoBuilder.setBlock(response);
+            responseInfoBuilder.setRequestId(request_id);
+            statusBuilder.setCode("400");
+            statusBuilder.setMessage("success");
+        }
+        catch(Exception e){
+            log.error("Error" + e.getMessage());
+            e.printStackTrace();
+            statusBuilder.setCode("401");
+            statusBuilder.setMessage("failuer");
+        }
+        executeServicebuilder.setResponseInfo(responseInfoBuilder.build());
+        executeServicebuilder.setStatus(statusBuilder.build());
+        RpcResult<ExecuteServiceOutput> result  = RpcResultBuilder.<ExecuteServiceOutput>status(true).withResult(executeServicebuilder.build()).build();
+        return Futures.immediateFuture(result);
+    }
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/ActionIdentifier.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/ActionIdentifier.java
new file mode 100644
index 000000000..50a47831d
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/ActionIdentifier.java
@@ -0,0 +1,86 @@
+/*-
+ * ============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.interfaces.service.data;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class ActionIdentifier {
+
+    @JsonProperty("service-instance-id")
+    private String serviceInstanceID;
+
+    @JsonProperty("vnf-id")
+    private String vnfId;
+
+    @JsonProperty("vf-module-id")
+    private String vfModuleId;
+
+    @JsonProperty("vserver-id")
+    private String vServerId;
+
+    @JsonProperty("vnfc-name")
+    private String vnfcName;
+
+    public String getServiceInstanceID() {
+        return serviceInstanceID;
+    }
+
+    public void setServiceInstanceID(String serviceInstanceID) {
+        this.serviceInstanceID = serviceInstanceID;
+    }
+
+    public String getVnfId() {
+        return vnfId;
+    }
+
+    public void setVnfId(String vnfId) {
+        this.vnfId = vnfId;
+    }
+
+    public String getVfModuleId() {
+        return vfModuleId;
+    }
+
+    public void setVfModuleId(String vfModuleId) {
+        this.vfModuleId = vfModuleId;
+    }
+
+    public String getvServerId() {
+        return vServerId;
+    }
+
+    public void setvServerId(String vServerId) {
+        this.vServerId = vServerId;
+    }
+
+    public String getVnfcName() {
+        return vnfcName;
+    }
+
+    public void setVnfcName(String vnfcName) {
+        this.vnfcName = vnfcName;
+    }
+
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/Request.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/Request.java
new file mode 100644
index 000000000..eff4814de
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/Request.java
@@ -0,0 +1,53 @@
+/*-
+ * ============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.interfaces.service.data;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Request {
+
+    @JsonProperty("action")
+    private String action;
+
+    @JsonProperty("action-identifiers")
+    private ActionIdentifier actionIdentifiers;
+
+    public String getAction() {
+        return action;
+    }
+
+    public void setAction(String action) {
+        this.action = action;
+    }
+
+    public ActionIdentifier getActionIdentifiers() {
+        return actionIdentifiers;
+    }
+
+    public void setActionIdentifiers(ActionIdentifier actionIdentifiers) {
+        this.actionIdentifiers = actionIdentifiers;
+    }
+
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/ScopeOverlap.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/ScopeOverlap.java
new file mode 100644
index 000000000..bfeb70fce
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/data/ScopeOverlap.java
@@ -0,0 +1,76 @@
+/*-
+ * ============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.interfaces.service.data;
+
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class ScopeOverlap {
+
+    @JsonProperty("vnf-id")
+    private String vnfId;
+
+    @JsonProperty("current-request")
+    private Request currentRequest;
+
+    @JsonProperty("in-progress-requests")
+    private List<Request> inProgressRequests;
+
+    private String overlap;
+
+    public String getVnfId() {
+        return vnfId;
+    }
+
+    public void setVnfId(String vnfId) {
+        this.vnfId = vnfId;
+    }
+
+    public Request getCurrentRequest() {
+        return currentRequest;
+    }
+
+    public void setCurrentRequest(Request currentRequest) {
+        this.currentRequest = currentRequest;
+    }
+
+    public List<Request> getInProgressRequest() {
+        return inProgressRequests;
+    }
+
+    public void setInProgressRequest(List<Request> inProgressRequests) {
+        this.inProgressRequests = inProgressRequests;
+    }
+
+    public String getOverlap() {
+        return overlap;
+    }
+
+    public void setOverlap(String overlap) {
+        this.overlap = overlap;
+    }
+
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executor/RequestValidator.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executor/RequestValidator.java
new file mode 100644
index 000000000..b37a5e4c8
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executor/RequestValidator.java
@@ -0,0 +1,78 @@
+/*-
+ * ============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.interfaces.service.executor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.onap.appc.interfaces.service.utils.ServiceConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class RequestValidator {
+
+    private static final Logger log = LoggerFactory.getLogger(RequestValidator.class);
+
+    public static void validate(String action, String requestData, String requestDataType) throws Exception {
+        log.debug("Received validation for action= " + action + " Data :" + requestData);
+        try {
+            if (requestData.isEmpty()) {
+                throw new Exception("Request Data is Empty");
+            }
+            ObjectMapper objectMapper = new ObjectMapper();
+            JsonNode payloadObject = objectMapper.readTree(requestData);
+            log.info("payloadObject" + payloadObject);
+            if (payloadObject.get(ServiceConstants.VNF) == null)
+                throw new Exception("VNF-ID is null");
+            String vnfId = payloadObject.get(ServiceConstants.VNF).toString();
+            if (vnfId.isEmpty())
+                throw new Exception("VNF-ID is blank");
+            if (payloadObject.get(ServiceConstants.CURRENTREQUEST) == null)
+                throw new Exception("Current request is null");
+            String cRequest = payloadObject.get(ServiceConstants.CURRENTREQUEST).toString();
+            if (cRequest.isEmpty())
+                throw new Exception("Current Request is blank");
+            JsonNode currentRequest = payloadObject.get(ServiceConstants.CURRENTREQUEST);
+            if (currentRequest.get(ServiceConstants.ACTION) == null)
+                throw new Exception("Action is null in Current Request");
+            String cRequestAction = currentRequest.get(ServiceConstants.ACTION).toString();
+            if (cRequestAction.isEmpty())
+                throw new Exception("Action is blank in Current Request");
+            if (currentRequest.get(ServiceConstants.ACTIONIDENTIFIER) == null)
+                throw new Exception("Action Identifier is null in Current Request");
+            String cRequestActionIdentifier = currentRequest.get(ServiceConstants.ACTIONIDENTIFIER).toString();
+            if (cRequestActionIdentifier.isEmpty())
+                throw new Exception("Action Identifier is blank in Current Request");
+            } catch (Exception e) {
+            e.printStackTrace();
+            log.debug("Error while validating: " + e.getMessage());
+            throw e;
+        }
+    }
+
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executor/ServiceExecutor.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executor/ServiceExecutor.java
new file mode 100644
index 000000000..f72157656
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executor/ServiceExecutor.java
@@ -0,0 +1,79 @@
+/*-
+ * ============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.interfaces.service.executor;
+
+import java.io.IOException;
+
+import org.onap.appc.interfaces.service.InterfacesServiceProviderImpl;
+import org.onap.appc.interfaces.service.executorImpl.ServiceExecutorImpl;
+import org.onap.appc.interfaces.service.utils.ServiceConstants;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+
+public class ServiceExecutor {
+
+    private static final Logger log = LoggerFactory.getLogger(ServiceExecutor.class);
+    public String execute(String action, String requestData, String requestDataType) throws Exception{
+        String response = null;
+        log.info("Received execute request for action : " + action + "  with Payload : " + requestData);
+        try{
+        RequestValidator.validate(action, requestData, requestData);
+        switch (action) {
+        case ServiceConstants.REQUESTOVERLAP:
+            response = isRequestOverLap(requestData);
+            break;
+        case ServiceConstants.GEDATABYMODEL:
+            response = getDataByModel(action, requestData, requestDataType);
+            break;
+        default:
+            throw new Exception(" Action " + action + " not found while processing request ");
+        }
+    }catch(Exception e){
+        log.info("Error while checking for ScopeOverlap " + e.getMessage());
+        e.printStackTrace();
+        throw e;
+    }
+        return response;
+    }
+
+    private String getDataByModel(String action, String requestData, String requestDataType) {
+
+        return null;
+    }
+
+    private String isRequestOverLap(String requestData) throws Exception {
+
+        ServiceExecutorImpl serviceExecutor = new ServiceExecutorImpl();
+        try {
+            return serviceExecutor.isRequestOverLap(requestData);
+        } catch (Exception e) {
+            e.printStackTrace();
+            throw e;
+        }
+    }
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executorImpl/ServiceExecutorImpl.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executorImpl/ServiceExecutorImpl.java
new file mode 100644
index 000000000..3b30c3e8c
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/executorImpl/ServiceExecutorImpl.java
@@ -0,0 +1,156 @@
+/*-
+ * ============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.interfaces.service.executorImpl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.onap.appc.aai.client.aai.AaiService;
+import org.onap.appc.interfaces.service.data.Request;
+import org.onap.appc.interfaces.service.data.ScopeOverlap;
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.adaptors.aai.AAIClient;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.base.Strings;
+
+public class ServiceExecutorImpl {
+
+    private static final EELFLogger log = EELFManager.getInstance().getLogger(ServiceExecutorImpl.class);
+    private AAIClient aaiClient;
+    public String isRequestOverLap(String requestData) throws Exception {
+        String response = "\"requestOverlap\"  : ";
+        log.info("Response from ServiceExecutorImpl");
+        ScopeOverlap scopeOverlap = new ScopeOverlap();
+        ObjectMapper mapper = new ObjectMapper();
+        scopeOverlap = mapper.readValue(requestData, ScopeOverlap.class);
+        // return response + String.valueOf(checkForOverLap(scopeOverlap));
+        boolean isOverlap = checkForOverLap(scopeOverlap);
+        scopeOverlap.setOverlap(String.valueOf(isOverlap));
+        if (scopeOverlap.getOverlap() != null && scopeOverlap.getOverlap().equalsIgnoreCase("false")){
+            log.info(response + "false");
+            return response + "false";
+        }
+        else{
+            log.info(response + "true");
+            return response + "true";
+        }
+    }
+
+    private boolean checkForOverLap(ScopeOverlap scopeOverlap) throws Exception {
+        log.info("Checking for isScopeOverlap");
+        if (scopeOverlap.getInProgressRequest() == null) {
+            return Boolean.FALSE;
+        }else if ( scopeOverlap.getInProgressRequest().isEmpty()){
+            return Boolean.FALSE;
+        }
+        else if (scopeOverlap.getInProgressRequest().size() == 0) {
+            return Boolean.FALSE;
+        }
+        if (scopeOverlap.getCurrentRequest().getActionIdentifiers().getVnfId() != null) {
+            return Boolean.TRUE;
+        } else if (scopeOverlap.getCurrentRequest().getActionIdentifiers().getVfModuleId() != null) {
+            return Boolean.TRUE;
+        } else if (scopeOverlap.getCurrentRequest().getActionIdentifiers().getvServerId() != null) {
+            return isVserverOrVnfcIdOverLap(scopeOverlap);
+        } else if (scopeOverlap.getCurrentRequest().getActionIdentifiers().getVnfcName() != null) {
+                return isVserverOrVnfcIdOverLap(scopeOverlap);
+        } else {
+            throw new Exception(" Action Identifier doesn't have VnfId, VfModuleId, VServerId, VnfcName ");
+        }
+    }
+
+    private boolean isVnfcNameOverLap(ScopeOverlap scopeOverlap) throws Exception {
+        
+        AaiService aaiService =new AaiService(aaiClient);
+        SvcLogicContext ctx = new SvcLogicContext();
+        Map<String, String> params = new HashMap<String, String>();
+        List<String> inProgressVServerIds = new ArrayList<String>();
+        String currentVnfcVserverId = new String();
+        String currentRequestVnfcName = scopeOverlap.getCurrentRequest().getActionIdentifiers().getVnfcName();
+        String currentRequestVServerId = scopeOverlap.getCurrentRequest().getActionIdentifiers().getvServerId();
+        List<Request> inProgressRequests = scopeOverlap.getInProgressRequest();
+        params.put("vnfId", scopeOverlap.getVnfId());
+        try {
+            aaiService.getGenericVnfInfo(params, ctx);
+            int vm_count = Integer.parseInt(ctx.getAttribute("vm-count"));
+                for(Request inprogressRequest:inProgressRequests){    
+                    if(inprogressRequest.getActionIdentifiers().getVnfcName() != null){
+                    for (int i = 0; i < vm_count; i++){                    
+                        if (ctx.getAttribute("vm[" + i + "].vnfc-name") != null && ctx.getAttribute("vm[" + i + "].vnfc-name")
+                        .equals(inprogressRequest.getActionIdentifiers().getVnfcName()))
+                            inProgressVServerIds.add(ctx.getAttribute("vm[" + i + "].vserver-id"));
+                        log.debug("Received vserver-id from AAI: "+ inProgressVServerIds);
+                    }
+                }
+            }
+            for(Request inProgVserverIds:inProgressRequests)
+                if(inProgVserverIds.getActionIdentifiers().getvServerId()!=null)
+                    inProgressVServerIds.add(inProgVserverIds.getActionIdentifiers().getvServerId());
+            if(currentRequestVnfcName != null){
+                for (int i = 0; i < vm_count; i++)
+                    if (ctx.getAttribute("vm[" + i + "].vnfc-name") != null && ctx.getAttribute("vm[" + i + "].vnfc-name")
+                            .equals(currentRequestVnfcName))
+                 currentVnfcVserverId = ctx.getAttribute("vm[" + i + "].vserver-id");
+                log.debug("Received vserver-id from AAI: "+ currentVnfcVserverId);
+                return inProgressVServerIds.contains(currentVnfcVserverId);
+            }
+            for (Request request : inProgressRequests) {
+                if(!Strings.isNullOrEmpty(currentRequestVServerId)  && currentRequestVServerId.equalsIgnoreCase(request.getActionIdentifiers().getvServerId()))
+                    return Boolean.TRUE;
+            }
+            if(currentRequestVServerId != null)    {
+                return  inProgressVServerIds.contains(currentRequestVServerId);
+            }
+            return Boolean.FALSE;
+        } catch (Exception e) {
+            e.printStackTrace();
+            log.debug(e.getMessage());
+            throw e;
+        }
+    }
+
+    private boolean isVserverOrVnfcIdOverLap(ScopeOverlap scopeOverlap) throws Exception {
+        List<Request> inProgressRequests = scopeOverlap.getInProgressRequest();
+        for (Request request : inProgressRequests) {
+            if(request.getActionIdentifiers().getVnfId()!= null)
+            return Boolean.TRUE ;
+            }
+        for (Request request : inProgressRequests) {
+            if(request.getActionIdentifiers().getVfModuleId()!= null)
+                return Boolean.TRUE ;
+        }
+        String currentVserverID = scopeOverlap.getCurrentRequest().getActionIdentifiers().getvServerId();
+        for (Request request : inProgressRequests) {
+            if(currentVserverID != null && currentVserverID.equalsIgnoreCase(request.getActionIdentifiers().getvServerId()))
+                return Boolean.TRUE ;
+        }
+        return isVnfcNameOverLap(scopeOverlap);
+    }
+}
diff --git a/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/utils/ServiceConstants.java b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/utils/ServiceConstants.java
new file mode 100644
index 000000000..2ac4172a8
--- /dev/null
+++ b/appc-inbound/appc-interfaces-service/bundle/src/main/java/org/onap/appc/interfaces/service/utils/ServiceConstants.java
@@ -0,0 +1,40 @@
+/*-
+ * ============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.interfaces.service.utils;
+
+public class ServiceConstants {
+
+    public static final String REQUESTOVERLAP = "isScopeOverlap";
+    public static final String GEDATABYMODEL = "getdatabymodel";
+    public static final String VNF = "vnf-id";
+    public static final String VNFCNAME = "vnfc-name";
+    public static final String VFMODULE = "vf-module-id";
+    public static final String VSERVER = "vserver-id";
+    public static final String CURRENTREQUEST = "current-request";
+    public static final String INPROGRESSREQUEST = "in-progress-requests";
+    public static final String ACTION = "action";
+    public static final String ACTIONIDENTIFIER = "action-identifiers";
+    public static final String SERVICEINSTANCEID = "service-instance-id";
+}