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  • Kaleo workflow in custom portlet

    @bhagwan.khichar
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    Liferay provide default workflow for inbuild portlets but we can use our custom portlets also. So, I here for you to implement workflow in our custom portlets and make assist of the activity.

    Add entity in portlet service.xml regarding your workflow portlet as shown :

    1. <entity name="XXWorkflow" local-service="true" remote-service="false">
    2.  
    3.         <!-- PK fields -->
    4.         <column name="workflowId" type="long" primary="true" />
    5.  
    6.         <!-- Foreign key columns -->
    7.         <column name="XXd" type="long" />
    8.         <column name="companyId" type="long" />
    9.         <column name="groupId" type="long" />
    10.         <column name="userId" type="long"/>
    11.  
    12.         <!-- Workflow fields -->
    13.  
    14.         <!-- Resource -->
    15.  
    16.         <column name="resourcePrimKey" type="long"></column>
    17.         <column name="title" type="String"></column>
    18.         <column name="status" type="int"></column>
    19.         <column name="statusByUserId" type="long"></column>
    20.         <column name="statusByUserName" type="String"></column>
    21.         <column name="statusDate" type="Date"></column>
    22.  
    23.         <!-- Finder methods -->
    24.  
    25.         <finder name="ResourcePrimKey" return-type="RfpWorkflow">
    26.             <finder-column name="resourcePrimKey"></finder-column>
    27.         </finder>
    28.  
    29.         <finder name="Status" return-type="Collection">
    30.             <finder-column name="status"></finder-column>
    31.         </finder>
    32.  
    33.         <finder name="R_S" return-type="RfpWorkflow">
    34.             <finder-column name="resourcePrimKey"></finder-column>
    35.             <finder-column name="status"></finder-column>
    36.         </finder>
    37.  
    38.         <!-- end of workflow columns and finders -->
    39.  
    40.         <finder return-type="Collection" name="XXId">
    41.             <finder-column name="XXId"></finder-column>
    42.         </finder>
    43.  
    44.         <reference package-path="com.liferay.portal" entity="WorkflowInstanceLink"></reference>
    45.         <reference package-path="com.liferay.portlet.asset" entity="AssetEntry"></reference>
    46.         <reference package-path="com.liferay.portlet.social" entity="SocialActivity"></reference>
    47.  
    48.     </entity>

    JSP file:-

    submit button action url = "processAction"


    Put below code in your controller

    1. public void processAction(ActionRequest request, ActionResponse response)
    2.     throws Exception {
    3.  
    4.     //do your required stuff
    5.  
    6.     workflowInitiation(request,response,XX.getXXId(),XX.getXXName());
    7.  
    8.     }
    9.  
    10.  
    11. public void workflowInitiation(ActionRequest actionRequest,
    12.             ActionResponse actionResponse,long XXId,String XXName) throws IOException, PortletException {
    13.         // TODO Auto-generated method stub
    14.  
    15.         ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest
    16.                 .getAttribute(WebKeys.THEME_DISPLAY);
    17.             System.out.println("Title : " + XXName);
    18.             XXWorkflowImpl xxWorkflow = new XXWorkflowImpl();
    19.             XXWorkflow.setTitle(xxName);
    20.             XXWorkflow.setxxId(xxpId);
    21.             XXWorkflow.setCompanyId(themeDisplay.getCompanyId());
    22.             XXWorkflow.setGroupId(themeDisplay.getScopeGroupId());
    23.             ThemeDisplay themeDisplay1 = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);
    24.  
    25.             ServiceContext serviceContext;
    26.             try {
    27.                 serviceContext = ServiceContextFactory.getInstance(XXPortlet.class.getName(), actionRequest);
    28.  
    29.                 XXWorkflowLocalServiceUtil.addXXWorkflow(XXWorkflow,serviceContext, themeDisplay1.getUserId());
    30.             } catch (PortalException e) {               
    31.                 e.printStackTrace();
    32.             } catch (SystemException e) {               
    33.                 e.printStackTrace();
    34.             }   
    35.     }

    Create hanlder Class as below :

    1.   public class XXWorkflowHandler extends BaseWorkflowHandler {
    2.  
    3.     public static final String CLASS_NAME = XXWorkflow.class.getName();
    4.  
    5.     public String getClassName() {
    6.         return CLASS_NAME;
    7.     }
    8.  
    9.     public String getType(Locale locale) {
    10.         return LanguageUtil.get(locale, "model.resource." + CLASS_NAME);
    11.     }
    12.  
    13.  
    14.     public Object updateStatus(int status,Map<String, Serializable> workflowContext) throws PortalException,
    15.             SystemException {
    16.  
    17.         long userId = GetterUtil.getLong((String) workflowContext.get(WorkflowConstants.CONTEXT_USER_ID));
    18.         long resourcePrimKey = GetterUtil.getLong((String) workflowContext.get(WorkflowConstants.CONTEXT_ENTRY_CLASS_PK));
    19.         ServiceContext serviceContext = (ServiceContext) workflowContext.get("serviceContext");
    20.         return RfpWorkflowLocalServiceUtil.updateStatus(userId, resourcePrimKey,status, serviceContext);
    21.  
    22.     }
    23.  
    24. }

    Add below tag in your liferay-portlet.xml after portlet-name

    1. <workflow-handler>com.xx.RFPWorkflowHandler</workflow-handler>
    add workflow in custom portlet workflow portlet liferay workflow workflow liferay Liferay and Ajax
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