Change Management Schedule Optimization

Adding CMSO Service Code for Change Management Schedule Optimization

Change-Id: I11d98eb24544bc5fda0be64d196433cf67917a7a
Issue-ID: OPTFRA-353
Signed-off-by: RamaPrasad Amaranarayana (ra5425) <ra5425@att.com>

4 files changed, 488 insertions, 0 deletions

diff --git a/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/SchedulerTestLoopbackService.java b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/SchedulerTestLoopbackService.java
new file mode 100644
index 0000000..f75365a
--- /dev/null
+++ b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/SchedulerTestLoopbackService.java
@@ -0,0 +1,87 @@
+/*

+ * Copyright © 2017-2018 AT&T Intellectual Property.

+ * Modifications Copyright © 2018 IBM.

+ * 

+ * 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.

+ * 

+ * 

+ * Unless otherwise specified, all documentation contained herein is licensed

+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");

+ * you may not use this documentation except in compliance with the License.

+ * You may obtain a copy of the License at

+ * 

+ *         https://creativecommons.org/licenses/by/4.0/

+ * 

+ * Unless required by applicable law or agreed to in writing, documentation

+ * 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.

+*/

+

+package org.onap.optf.cmso.test.loopback;

+

+import javax.ws.rs.GET;

+import javax.ws.rs.POST;

+import javax.ws.rs.Path;

+import javax.ws.rs.PathParam;

+import javax.ws.rs.Produces;

+import javax.ws.rs.core.Context;

+import javax.ws.rs.core.MediaType;

+import javax.ws.rs.core.Response;

+import javax.ws.rs.core.UriInfo;

+import org.onap.optf.cmso.optimizer.bean.CMOptimizerRequest;

+import org.onap.optf.cmso.so.bean.MsoOrchestrationQueryResponse;

+import org.onap.optf.cmso.wf.bean.WfChangeManagementResponse;

+import io.swagger.annotations.Api;

+import io.swagger.annotations.ApiOperation;

+import io.swagger.annotations.ApiParam;

+import io.swagger.annotations.ApiResponse;

+import io.swagger.annotations.ApiResponses;

+

+@Api

+@Path("/v1/loopbacktest")

+@Produces({MediaType.APPLICATION_JSON})

+public interface SchedulerTestLoopbackService {

+    // ******************************************************************

+    @POST

+    @Path("/optimizer")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Test Optimizer connection in loopback mode.")

+    @ApiResponses(value = {@ApiResponse(code = 202, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response putToOptimizer(@ApiParam(value = "SNIRO request message") CMOptimizerRequest request,

+            @Context UriInfo uri);

+

+    // ******************************************************************

+    @POST

+    @Path("/onap/so/infra/orchestrationRequests/v7/schedule/{vnfName}")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Test SO sheduling in loopback mode.",

+            response = WfChangeManagementResponse.class)

+    @ApiResponses(value = {@ApiResponse(code = 200, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response soScheduleLoopback(@ApiParam(value = "vnfName") @PathParam("vnfName") String vnfName,

+            @ApiParam(value = "SO request message") String request, @Context UriInfo uri);

+

+    // ******************************************************************

+    @GET

+    @Path("/onap/so/infra/orchestrationRequests/v7/{requestId}")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Test SO Status query loopback.", response = MsoOrchestrationQueryResponse.class)

+    @ApiResponses(value = {@ApiResponse(code = 200, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response soQueryLoopback(@ApiParam(value = "MSO request ID") @PathParam("requestId") String requestId,

+            @Context UriInfo uri);

+

+}

diff --git a/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/SchedulerTestLoopbackServiceImpl.java b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/SchedulerTestLoopbackServiceImpl.java
new file mode 100644
index 0000000..b240b61
--- /dev/null
+++ b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/SchedulerTestLoopbackServiceImpl.java
@@ -0,0 +1,215 @@
+/*

+ * Copyright © 2017-2018 AT&T Intellectual Property.

+ * Modifications Copyright © 2018 IBM.

+ * 

+ * 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.

+ * 

+ * 

+ * Unless otherwise specified, all documentation contained herein is licensed

+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");

+ * you may not use this documentation except in compliance with the License.

+ * You may obtain a copy of the License at

+ * 

+ *         https://creativecommons.org/licenses/by/4.0/

+ * 

+ * Unless required by applicable law or agreed to in writing, documentation

+ * 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.

+*/

+

+package org.onap.optf.cmso.test.loopback;

+

+import java.util.ArrayList;

+import java.util.HashMap;

+import java.util.List;

+import java.util.Map;

+import java.util.UUID;

+import javax.ws.rs.ProcessingException;

+import javax.ws.rs.client.Client;

+import javax.ws.rs.client.ClientBuilder;

+import javax.ws.rs.client.Entity;

+import javax.ws.rs.client.Invocation;

+import javax.ws.rs.client.ResponseProcessingException;

+import javax.ws.rs.client.WebTarget;

+import javax.ws.rs.core.MediaType;

+import javax.ws.rs.core.Response;

+import javax.ws.rs.core.Response.Status;

+import javax.ws.rs.core.UriInfo;

+import org.joda.time.DateTime;

+import org.joda.time.format.DateTimeFormat;

+import org.joda.time.format.DateTimeFormatter;

+import org.onap.optf.cmso.common.BasicAuthenticatorFilter;

+import org.onap.optf.cmso.common.LogMessages;

+import org.onap.optf.cmso.common.PropertiesManagement;

+import org.onap.optf.cmso.optimizer.bean.CMOptimizerRequest;

+import org.onap.optf.cmso.optimizer.bean.CMOptimizerResponse;

+import org.onap.optf.cmso.optimizer.bean.CMRequestInfo;

+import org.onap.optf.cmso.optimizer.bean.CMSchedule;

+import org.onap.optf.cmso.optimizer.bean.CMSchedulingInfo;

+import org.onap.optf.cmso.optimizer.bean.CMVnfDetails;

+import org.onap.optf.cmso.service.rs.CMSCallbackImpl;

+import org.onap.optf.cmso.wf.bean.WfCmResponse200;

+import org.onap.optf.cmso.wf.bean.WfMsoRequestReferences;

+import org.onap.optf.cmso.wf.bean.WfMsoResponse;

+import org.springframework.beans.factory.annotation.Autowired;

+import org.springframework.core.env.Environment;

+import org.springframework.stereotype.Controller;

+import com.att.eelf.configuration.EELFLogger;

+import com.att.eelf.configuration.EELFManager;

+

+@Controller

+public class SchedulerTestLoopbackServiceImpl implements SchedulerTestLoopbackService {

+    private static EELFLogger log = EELFManager.getInstance().getLogger(SchedulerTestLoopbackServiceImpl.class);

+    private static EELFLogger debug = EELFManager.getInstance().getDebugLogger();

+    private static EELFLogger errors = EELFManager.getInstance().getErrorLogger();

+

+    @Autowired

+    Environment env;

+

+    @Autowired

+    PropertiesManagement pm;

+

+    @Override

+    public Response putToOptimizer(CMOptimizerRequest request, UriInfo uri) {

+        //

+        try {

+            CMOptimizerResponse r = new CMOptimizerResponse();

+            CMRequestInfo ri = request.getRequestInfo();

+            CMSchedulingInfo si = request.getSchedulingInfo();

+            r.setTransactionId(ri.getTransactionId());

+            r.setRequestState("Done.");

+            r.setScheduleId(ri.getRequestId());

+            String callback = ri.getCallbackUrl();

+

+            // This is a dumb opt. WIll not make sense for multiple groups

+            // Use the code in the callback to help

+            List<String> nodes = new ArrayList<String>();

+            // get total number of nodes across all groups.

+            for (CMVnfDetails sr : si.getVnfDetails()) {

+                nodes.add(sr.getNode());

+            }

+

+            DateTime startTime = CMSCallbackImpl.convertISODate(si.getStartTime(), "startTime");

+

+            // Ignore the finish time for now in the calc. Just accept what they

+            // gave

+            DateTime finishTime = CMSCallbackImpl.convertISODate(si.getEndTime(), "endTime");

+            DateTimeFormatter sniroFmt = DateTimeFormat.forPattern("yyyy-MM-dd HH:mm:ss").withZoneUTC();

+

+            int add = si.getAdditionalDurationInSecs();

+            int normal = si.getNormalDurationInSecs();

+            int concurrencyLimit = si.getConcurrencyLimit();

+            long totalDuration = (long) add + normal;

+            long serialized = 0;

+            if (nodes.size() > concurrencyLimit) {

+                serialized = (nodes.size() / concurrencyLimit);

+                serialized = (serialized * totalDuration) * 1000;

+            }

+            DateTime latestInstanceStartTime = startTime.plus(serialized);

+            finishTime = latestInstanceStartTime.plus(totalDuration * 1000);

+            // Reformat request into a response setting the groups start finish

+            // time based upon

+            Map<String, CMSchedule> map = new HashMap<String, CMSchedule>();

+            for (CMVnfDetails sr : si.getVnfDetails()) {

+                String groupId = sr.getGroupId();

+                CMSchedule cms = map.get(groupId);

+                if (cms == null) {

+                    cms = new CMSchedule();

+                    cms.setGroupId(groupId);

+                    cms.setFinishTime(groupId);

+                    map.put(groupId, cms);

+                    cms.setStartTime(sniroFmt.print(startTime));

+                    cms.setFinishTime(sniroFmt.print(finishTime));

+                    cms.setLatestInstanceStartTime(sniroFmt.print(latestInstanceStartTime));

+                }

+                cms.getNode().add(sr.getNode());

+            }

+            r.setSchedule(map.values().toArray(new CMSchedule[map.values().size()]));

+

+            Thread responseThread = new Thread(new Runnable() {

+                public void run() {

+                    sendAsyncResponse(r, callback);

+                }

+            });

+            responseThread.start();

+

+            return Response.accepted().build();

+        } catch (Exception e) {

+            log.error("Unexpected exception", e);

+        }

+        return Response.serverError().build();

+    }

+

+    private void sendAsyncResponse(CMOptimizerResponse r, String url) {

+        try {

+            Client client = ClientBuilder.newClient();

+            String user = env.getProperty("mechid.user", "");

+            String pass = pm.getProperty("mechid.pass", "");

+            client.register(new BasicAuthenticatorFilter(user, pass));

+            WebTarget target = client.target(url);

+            Invocation.Builder invocationBuilder = target.request(MediaType.APPLICATION_JSON);

+            try {

+                Response response = invocationBuilder.post(Entity.json(r));

+                switch (response.getStatus()) {

+                    case 202:

+                        // Scheduled with SNIRO

+                        break;

+                    case 400: // Bad request

+                    case 500:

+                    default: {

+                    }

+                }

+            } catch (ResponseProcessingException e) {

+                errors.error(LogMessages.OPTIMIZER_EXCEPTION, e, e.getMessage());

+                debug.debug(LogMessages.OPTIMIZER_EXCEPTION, e, e.getMessage());

+

+            } catch (ProcessingException e) {

+                log.error(LogMessages.OPTIMIZER_EXCEPTION.toString(), e);

+                log.error(LogMessages.OPTIMIZER_EXCEPTION, e.getMessage());

+            }

+        } catch (Exception e) {

+            errors.error(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());

+            debug.debug(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());

+

+        }

+    }

+

+    public Response soScheduleLoopback(String vnfName, String request, UriInfo uri) {

+        String msoRequestId = env.getProperty("loopback.mso.requestId", "4ccbfb85-1d05-442e");

+        String r = UUID.randomUUID().toString();

+        WfMsoRequestReferences rr = new WfMsoRequestReferences();

+        rr.setInstanceId(r);

+        rr.setRequestId(msoRequestId);

+        WfMsoResponse mso = new WfMsoResponse();

+        mso.setRequestReferences(rr);

+        WfCmResponse200 cmResponse = new WfCmResponse200();

+        cmResponse.setEntity(mso);

+        cmResponse.setStatus(202);;

+        return Response.status(Status.OK).entity(cmResponse).build();

+    }

+

+    @Override

+    public Response soQueryLoopback(String requestId, UriInfo uri) {

+        // Abbreviated response. Only interested in requestStatus....

+        String response = "{\"request\" : {" + "\"requestId\" : \"dummy-request-id\","

+                + "\"startTime\" : \"Wed, 26 Aug 2017 06:36:07 GMT\"," + "\"requestScope\" : \"vfModule\","

+                + "\"requestType\" : \"createInstance\"," + "\"requestDetails\" : {}," + "\"instanceReferences\" : {},"

+                + "\"requestStatus\" : { " + "\"requestState\" : \"COMPLETE\","

+                + "\"statusMessage\" : \"Vf Module has been created successfully.\"," + "\"percentProgress\" : 100,"

+                + "\"finishTime\" : \"Crap so cmso uses current time\"}}}";

+        return Response.ok().entity(response).build();

+    }

+

+}

diff --git a/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/TicketMgtLoopbackService.java b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/TicketMgtLoopbackService.java
new file mode 100644
index 0000000..d2953b6
--- /dev/null
+++ b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/TicketMgtLoopbackService.java
@@ -0,0 +1,93 @@
+/*

+ * Copyright © 2017-2018 AT&T Intellectual Property.

+ * Modifications Copyright © 2018 IBM.

+ * 

+ * 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.

+ * 

+ * 

+ * Unless otherwise specified, all documentation contained herein is licensed

+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");

+ * you may not use this documentation except in compliance with the License.

+ * You may obtain a copy of the License at

+ * 

+ *         https://creativecommons.org/licenses/by/4.0/

+ * 

+ * Unless required by applicable law or agreed to in writing, documentation

+ * 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.

+*/

+

+package org.onap.optf.cmso.test.loopback;

+

+import javax.ws.rs.POST;

+import javax.ws.rs.Path;

+import javax.ws.rs.Produces;

+import javax.ws.rs.core.Context;

+import javax.ws.rs.core.MediaType;

+import javax.ws.rs.core.Response;

+import javax.ws.rs.core.UriInfo;

+import com.fasterxml.jackson.databind.JsonNode;

+import io.swagger.annotations.Api;

+import io.swagger.annotations.ApiOperation;

+import io.swagger.annotations.ApiParam;

+import io.swagger.annotations.ApiResponse;

+import io.swagger.annotations.ApiResponses;

+

+@Api

+@Path("/v1/tm")

+@Produces({MediaType.APPLICATION_JSON})

+public interface TicketMgtLoopbackService {

+

+    // ******************************************************************

+    @POST

+    @Path("/getChangeRecord")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Dummy out ticket management check status call.", response = JsonNode.class)

+    @ApiResponses(value = {@ApiResponse(code = 200, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response tmGetChangeRecord(@ApiParam(value = "TM request message") JsonNode request, @Context UriInfo uri);

+

+    // ******************************************************************

+    @POST

+    @Path("/createChangeRecord")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Dummy out ticket management create call.", response = JsonNode.class)

+    @ApiResponses(value = {@ApiResponse(code = 200, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response tmCreateChangeRecord(@ApiParam(value = "TM request message") JsonNode request,

+            @Context UriInfo uri);

+

+    // ******************************************************************

+    @POST

+    @Path("/closeCancelChangeRecord")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Dummy out ticket management close call.", response = JsonNode.class)

+    @ApiResponses(value = {@ApiResponse(code = 200, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response tmCloseCancelChangeRecord(@ApiParam(value = "TM request message") JsonNode request,

+            @Context UriInfo uri);

+

+    // ******************************************************************

+    @POST

+    @Path("/updateChangeRecord")

+    @Produces({MediaType.APPLICATION_JSON})

+    @ApiOperation(value = "", notes = "Dummy out ticket management update to in progress call.",

+            response = JsonNode.class)

+    @ApiResponses(value = {@ApiResponse(code = 200, message = "OK"),

+            @ApiResponse(code = 500, message = "Unexpected Runtime error", response = Exception.class)})

+    public Response tmUpdateChangeRecord(@ApiParam(value = "TM request message") JsonNode request,

+            @Context UriInfo uri);

+

+}

diff --git a/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/TicketMgtLoopbackServiceImpl.java b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/TicketMgtLoopbackServiceImpl.java
new file mode 100644
index 0000000..1c87f66
--- /dev/null
+++ b/cmso-service/src/main/java/org/onap/optf/cmso/test/loopback/TicketMgtLoopbackServiceImpl.java
@@ -0,0 +1,93 @@
+/*

+ * Copyright © 2017-2018 AT&T Intellectual Property.

+ * Modifications Copyright © 2018 IBM.

+ * 

+ * 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.

+ * 

+ * 

+ * Unless otherwise specified, all documentation contained herein is licensed

+ * under the Creative Commons License, Attribution 4.0 Intl. (the "License");

+ * you may not use this documentation except in compliance with the License.

+ * You may obtain a copy of the License at

+ * 

+ *         https://creativecommons.org/licenses/by/4.0/

+ * 

+ * Unless required by applicable law or agreed to in writing, documentation

+ * 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.

+*/

+

+package org.onap.optf.cmso.test.loopback;

+

+import java.util.HashMap;

+import java.util.Map;

+import javax.ws.rs.core.Response;

+import javax.ws.rs.core.UriInfo;

+import org.onap.optf.cmso.common.PropertiesManagement;

+import org.onap.optf.cmso.ticketmgt.bean.TmApprovalStatusEnum;

+import org.onap.optf.cmso.ticketmgt.bean.TmChangeInfo;

+import org.onap.optf.cmso.ticketmgt.bean.TmStatusEnum;

+import org.springframework.beans.factory.annotation.Autowired;

+import org.springframework.core.env.Environment;

+import org.springframework.stereotype.Controller;

+import com.att.eelf.configuration.EELFLogger;

+import com.att.eelf.configuration.EELFManager;

+import com.fasterxml.jackson.databind.JsonNode;

+import com.fasterxml.jackson.databind.node.ObjectNode;

+

+@Controller

+public class TicketMgtLoopbackServiceImpl implements TicketMgtLoopbackService {

+    private static EELFLogger log = EELFManager.getInstance().getLogger(TicketMgtLoopbackServiceImpl.class);

+    private static EELFLogger debug = EELFManager.getInstance().getDebugLogger();

+    private static EELFLogger errors = EELFManager.getInstance().getErrorLogger();

+

+    @Autowired

+    Environment env;

+

+    PropertiesManagement pm;

+

+    @Override

+    public Response tmGetChangeRecord(JsonNode request, UriInfo uri) {

+        TmChangeInfo changeInfo = new TmChangeInfo();

+        changeInfo.setChangeId("CHG000000000001");

+        changeInfo.setStatus(TmStatusEnum.Scheduled.toString());

+        changeInfo.setApprovalStatus(TmApprovalStatusEnum.Approved.toString());

+        return Response.ok().entity(changeInfo).build();

+    }

+

+    @Override

+    public Response tmCreateChangeRecord(JsonNode request, UriInfo uri) {

+        Map<String, String> response = new HashMap<String, String>();

+        response.put("changeId", "CHG000000000001");

+        return Response.ok().entity(response).build();

+    }

+

+    @Override

+    public Response tmCloseCancelChangeRecord(JsonNode request, UriInfo uri) {

+        ObjectNode req = (ObjectNode) request;

+        String changeId = req.get("changeId").asText();

+        String resp = changeId + " was update successfully.";

+        return Response.ok().entity(resp).build();

+    }

+

+    @Override

+    public Response tmUpdateChangeRecord(JsonNode request, UriInfo uri) {

+        ObjectNode req = (ObjectNode) request;

+        String changeId = req.get("changeId").asText();

+        String resp = changeId + " was updated successfully.";

+        return Response.ok().entity(resp).build();

+    }

+

+}