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Diffstat (limited to 'bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/bpmn/common/workflow/service/WorkflowContextHolder.java')
-rw-r--r--bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/bpmn/common/workflow/service/WorkflowContextHolder.java188
1 files changed, 0 insertions, 188 deletions
diff --git a/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/bpmn/common/workflow/service/WorkflowContextHolder.java b/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/bpmn/common/workflow/service/WorkflowContextHolder.java
deleted file mode 100644
index 4dfae8b2a3..0000000000
--- a/bpmn/MSOCommonBPMN/src/main/java/org/openecomp/mso/bpmn/common/workflow/service/WorkflowContextHolder.java
+++ /dev/null
@@ -1,188 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * ONAP - SO
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * 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.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.mso.bpmn.common.workflow.service;
-
-import java.util.concurrent.DelayQueue;
-import java.util.concurrent.TimeUnit;
-
-import javax.ws.rs.core.Response;
-
-import org.jboss.resteasy.spi.AsynchronousResponse;
-import org.slf4j.MDC;
-
-import org.openecomp.mso.logger.MessageEnum;
-import org.openecomp.mso.logger.MsoLogger;
-
-/**
- * Workflow Context Holder instance which can be accessed elsewhere either in groovy scripts or Java
- * @version 1.0
- *
- */
-public class WorkflowContextHolder {
-
- private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
- private static final String logMarker = "[WORKFLOW-CONTEXT-HOLDER]";
- private static WorkflowContextHolder instance = null;
-
- /**
- * Delay Queue which holds workflow context holder objects
- */
- private final DelayQueue<WorkflowContext> responseQueue = new DelayQueue<>();
- private final TimeoutThread timeoutThread = new TimeoutThread();
-
- private WorkflowContextHolder() {
- timeoutThread.start();
- }
-
- /**
- * Singleton holder which eliminates hot lock
- * Since the JVM synchronizes static method there is no synchronization needed for this method
- * @return
- */
- public static synchronized WorkflowContextHolder getInstance() {
- if (instance == null) {
- instance = new WorkflowContextHolder();
- }
- return instance;
- }
-
- public void put(WorkflowContext context) {
- msoLogger.debug(logMarker + " Adding context to the queue: "
- + context.getRequestId());
- responseQueue.put(context);
- }
-
- public void remove(WorkflowContext context) {
- msoLogger.debug(logMarker + " Removing context from the queue: "
- + context.getRequestId());
- responseQueue.remove(context);
- }
-
- public WorkflowContext getWorkflowContext(String requestId) {
- // Note: DelayQueue interator is threadsafe
- for (WorkflowContext context : responseQueue) {
- if (requestId.equals(context.getRequestId())) {
- msoLogger.debug("Found context for request id: " + requestId);
- return context;
- }
- }
-
- msoLogger.debug("Unable to find context for request id: " + requestId);
- return null;
- }
-
- /**
- * Builds the callback response object to respond to client
- * @param processKey
- * @param processInstanceId
- * @param requestId
- * @param callbackResponse
- * @return
- */
- public Response processCallback(String processKey, String processInstanceId,
- String requestId, WorkflowCallbackResponse callbackResponse) {
- WorkflowResponse workflowResponse = new WorkflowResponse();
- WorkflowContext workflowContext = getWorkflowContext(requestId);
-
- if (workflowContext == null) {
- msoLogger.debug("Unable to correlate workflow context for request id: " + requestId
- + ":processInstance Id:" + processInstanceId
- + ":process key:" + processKey);
- workflowResponse.setMessage("Fail");
- workflowResponse.setMessageCode(400);
- workflowResponse.setContent("Unable to correlate workflow context, bad request. Request Id: " + requestId);
- return Response.serverError().entity(workflowResponse).build();
- }
-
- responseQueue.remove(workflowContext);
-
- msoLogger.debug("Using callback response for request id: " + requestId);
- workflowResponse.setContent(callbackResponse.getResponse());
- workflowResponse.setProcessInstanceId(processInstanceId);
- workflowResponse.setMessageCode(callbackResponse.getStatusCode());
- workflowResponse.setMessage(callbackResponse.getMessage());
- sendWorkflowResponseToClient(processKey, workflowContext, workflowResponse);
- return Response.ok().entity(workflowResponse).build();
- }
-
- /**
- * Send the response to client asynchronously when invoked by the BPMN process
- * @param processKey
- * @param workflowContext
- * @param workflowResponse
- */
- private void sendWorkflowResponseToClient(String processKey, WorkflowContext workflowContext,
- WorkflowResponse workflowResponse) {
- msoLogger.debug(logMarker + "Sending the response for request id: " + workflowContext.getRequestId());
- recordEvents(processKey, workflowResponse, workflowContext.getStartTime());
- Response response = Response.status(workflowResponse.getMessageCode()).entity(workflowResponse).build();
- AsynchronousResponse asyncResp = workflowContext.getAsynchronousResponse();
- asyncResp.setResponse(response);
- }
-
- /**
- * Timeout thread which monitors the delay queue for expired context and send timeout response
- * to client
- *git review -R
- * */
- private class TimeoutThread extends Thread {
- public void run() {
- while (!isInterrupted()) {
- try {
- WorkflowContext requestObject = responseQueue.take();
- msoLogger.debug("Time remaining for request id: " + requestObject.getRequestId() + ":" + requestObject.getDelay(TimeUnit.MILLISECONDS));
- msoLogger.debug("Preparing timeout response for " + requestObject.getProcessKey() + ":" + ":" + requestObject.getRequestId());
- WorkflowResponse response = new WorkflowResponse();
- response.setMessage("Fail");
- response.setContent("Request timedout, request id:" + requestObject.getRequestId());
- //response.setProcessInstanceID(requestObject.getProcessInstance().getProcessInstanceId());
- recordEvents(requestObject.getProcessKey(), response, requestObject.getStartTime());
- response.setMessageCode(500);
- Response result = Response.status(500).entity(response).build();
- requestObject.getAsynchronousResponse().setResponse(result);
- msoLogger.debug("Sending timeout response for request id:" + requestObject.getRequestId() + ":response:" + response);
- } catch (InterruptedException e) {
- break;
- } catch (Exception e) {
- msoLogger.debug("WorkflowContextHolder timeout thread caught exception: " + e);
- msoLogger.error(MessageEnum.BPMN_GENERAL_EXCEPTION, "BPMN", MsoLogger.getServiceName(),
- MsoLogger.ErrorCode.UnknownError, "Error in WorkflowContextHolder timeout thread");
-
- }
- }
-
- msoLogger.debug("WorkflowContextHolder timeout thread interrupted, quitting");
- }
- }
-
- private static void recordEvents(String processKey, WorkflowResponse response,
- long startTime) {
-
- msoLogger.recordMetricEvent ( startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc,
- logMarker + response.getMessage() + " for processKey: "
- + processKey + " with content: " + response.getContent(), "BPMN", MDC.get(processKey), null);
-
- msoLogger.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, logMarker
- + response.getMessage() + " for processKey: "
- + processKey + " with content: " + response.getContent());
-
- }
-}