Examples with BpelDAOConnection org.apache.ode.bpel.dao.BpelDAOConnection used on opensource projects

Example 6 with BpelDAOConnection

use of org.apache.ode.bpel.dao.BpelDAOConnection in project carbon-business-process by wso2.

the class InstanceManagementServiceSkeleton method getPaginatedInstanceList.

/**
 * Get paginated instance list
 *
 * @param filter Instance tFilter
 * @param order  The field on which to be ordered
 * @param limit  The maximum number of instances to be fetched
 * @param page   The page number
 * @return Instances that are filtered through "tFilter", ordered by "order" that fits into
 * 'page'th page
 * @throws InstanceManagementException When an error occurs
 */
public PaginatedInstanceList getPaginatedInstanceList(String filter, final String order, final int limit, final int page) throws InstanceManagementException {
    String tFilter = filter;
    final PaginatedInstanceList instanceList = new PaginatedInstanceList();
    Integer tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
    TenantProcessStoreImpl tenantProcessStore = (TenantProcessStoreImpl) bpelServer.getMultiTenantProcessStore().getTenantsProcessStore(tenantId);
    if (tenantProcessStore.getProcessConfigMap().size() <= 0) {
        instanceList.setPages(0);
        return instanceList;
    }
    if (!tFilter.contains(" pid=")) {
        tFilter = tFilter + getTenantsProcessList(tenantProcessStore.getProcessConfigMap().keySet());
    }
    if (log.isDebugEnabled()) {
        log.debug("Instance Filter:" + tFilter);
    }
    final InstanceFilter instanceFilter = new InstanceFilter(tFilter, order, limit);
    try {
        BpelDatabase bpelDb = bpelServer.getODEBPELServer().getBpelDb();
        bpelDb.exec(new BpelDatabase.Callable<Object>() {

            public Object run(BpelDAOConnection conn) throws InstanceManagementException {
                Collection<ProcessInstanceDAO> instances = conn.instanceQuery(instanceFilter);
                int pageNum = page;
                if (pageNum < 0 || pageNum == Integer.MAX_VALUE) {
                    pageNum = 0;
                }
                int startIndexOfCurrentPage = pageNum * BPELConstants.ITEMS_PER_PAGE;
                int endIndexOfCurrentPage = (pageNum + 1) * BPELConstants.ITEMS_PER_PAGE;
                int instanceListSize = instances.size();
                int pages = (int) Math.ceil((double) instanceListSize / BPELConstants.ITEMS_PER_PAGE);
                instanceList.setPages(pages);
                ProcessInstanceDAO[] instanceArray = instances.toArray(new ProcessInstanceDAO[instanceListSize]);
                for (int i = startIndexOfCurrentPage; (i < endIndexOfCurrentPage && i < instanceListSize); i++) {
                    instanceList.addInstance(createLimitedInstanceInfoObject(instanceArray[i]));
                }
                return null;
            }
        });
    } catch (Exception e) {
        String errMsg = "Error querying instances from database. Instance Filter:" + instanceFilter.toString();
        log.error(errMsg, e);
        throw new InstanceManagementException(errMsg, e);
    }
    return instanceList;
}

Example 7 with BpelDAOConnection

use of org.apache.ode.bpel.dao.BpelDAOConnection in project carbon-business-process by wso2.

the class InstanceManagementServiceSkeleton method deleteInstances.

/**
 * Delete Instances that matches the filter
 *
 * @param filter Instance filter
 * @return Number of instances deleted
 * @throws InstanceManagementException If the filter is invalid or an exception occurred during
 *                                     instance deletion
 */
public int deleteInstances(String filter, final boolean deleteMessageExchanges) throws InstanceManagementException {
    String tFilter = filter;
    Integer tenantId = CarbonContext.getThreadLocalCarbonContext().getTenantId();
    TenantProcessStoreImpl tenantProcessStore = (TenantProcessStoreImpl) bpelServer.getMultiTenantProcessStore().getTenantsProcessStore(tenantId);
    if (isInvalidFilter(tFilter)) {
        String errMsg = "Invalid instance filter: " + tFilter;
        log.error(errMsg);
        throw new InstanceManagementException(errMsg);
    }
    if (!isSecureFilter(new InstanceFilter(tFilter), tenantProcessStore.getProcessConfigMap().keySet())) {
        String errMsg = "Instance deletion operation not permitted due to insecure filter: " + tFilter;
        log.error(errMsg);
        throw new InstanceManagementException(errMsg);
    }
    if (!tFilter.contains(" pid=")) {
        tFilter = tFilter + getTenantsProcessList(tenantProcessStore.getProcessConfigMap().keySet());
    }
    final InstanceFilter instanceFilter = new InstanceFilter(tFilter);
    final List<Long> ret = new LinkedList<Long>();
    try {
        final int deletionBatchSize = BPELServerImpl.getInstance().getBpelServerConfiguration().getBpelInstanceDeletionLimit();
        dbexec(new BpelDatabase.Callable<Object>() {

            public Object run(BpelDAOConnection conn) throws IllegalAccessException {
                Collection<ProcessInstanceDAO> instances = conn.instanceQuery(instanceFilter);
                // not delete other instances also.
                for (ProcessInstanceDAO instance : instances) {
                    isOperationIsValidForTheCurrentTenant(instance.getProcess().getProcessId());
                }
                int count = 1;
                for (ProcessInstanceDAO instance : instances) {
                    instance.delete(EnumSet.allOf(ProcessConf.CLEANUP_CATEGORY.class), deleteMessageExchanges);
                    ret.add(instance.getInstanceId());
                    count++;
                    // limiting number of instances that can be deleted to avoid timeout exceptions
                    if (count > deletionBatchSize) {
                        break;
                    }
                }
                return null;
            }
        });
    } catch (Exception e) {
        String errMsg = "Exception during instance deletion. Filter: " + instanceFilter.toString();
        log.error(errMsg, e);
        throw new InstanceManagementException(errMsg, e);
    }
    return ret.size();
}

Example 8 with BpelDAOConnection

use of org.apache.ode.bpel.dao.BpelDAOConnection in project carbon-business-process by wso2.

the class InstanceManagementServiceSkeleton method getInstanceInformation.

private InstanceInfoType getInstanceInformation(final long iid) throws InstanceManagementException {
    final InstanceInfoType instanceInfo = new InstanceInfoType();
    instanceInfo.setIid(Long.toString(iid));
    dbexec(new BpelDatabase.Callable<Object>() {

        public Object run(BpelDAOConnection conn) throws InstanceManagementException {
            ProcessInstanceDAO instance = conn.getInstanceEagerly(iid, false);
            if (instance == null) {
                String errMsg = "Instance " + iid + " not found.";
                log.error(errMsg);
                throw new InstanceManagementException(errMsg);
            }
            fillInstanceInfo(instanceInfo, instance);
            return null;
        }
    });
    return instanceInfo;
}

Example 9 with BpelDAOConnection

use of org.apache.ode.bpel.dao.BpelDAOConnection in project carbon-business-process by wso2.

the class InstanceManagementServiceSkeleton method getActivityLifeCycleEvents.

private ActivityLifeCycleEventsType getActivityLifeCycleEvents(final long iid) throws InstanceManagementException {
    final ActivityLifeCycleEventsType activityLifeCycleEvents = new ActivityLifeCycleEventsType();
    activityLifeCycleEvents.setIid(Long.toString(iid));
    dbexec(new BpelDatabase.Callable<Object>() {

        public Object run(BpelDAOConnection conn) throws InstanceManagementException {
            ProcessInstanceDAO instance = conn.getInstanceEagerly(iid, true);
            if (instance == null) {
                String errMsg = "Instance " + iid + " not found.";
                log.error(errMsg);
                throw new InstanceManagementException(errMsg);
            }
            fillActivityLifeCycleEvents(activityLifeCycleEvents, instance);
            return null;
        }
    });
    return activityLifeCycleEvents;
}

Example 10 with BpelDAOConnection

use of org.apache.ode.bpel.dao.BpelDAOConnection in project carbon-business-process by wso2.

the class InstanceManagementServiceSkeleton method getInstanceCountByState.

private Long getInstanceCountByState(String processList, String instanceState) throws InstanceManagementException {
    if (isProcessListEmpty(processList)) {
        return (long) 0;
    }
    final List<Long> instanceCountList = new ArrayList<Long>();
    StringBuilder filter = new StringBuilder();
    if (!isProcessListEmpty(processList)) {
        filter.append(processList);
    }
    filter.append("status=");
    filter.append(instanceState);
    final InstanceFilter instanceFilter = new InstanceFilter(filter.toString(), null, Integer.MAX_VALUE);
    try {
        BpelDatabase bpelDb = bpelServer.getODEBPELServer().getBpelDb();
        bpelDb.exec(new BpelDatabase.Callable<Object>() {

            public Object run(BpelDAOConnection conn) throws AxisFault {
                instanceCountList.add(conn.instanceCount(instanceFilter));
                return null;
            }
        });
    } catch (Exception e) {
        String errMsg = "Error querying instances from database. Filter: " + instanceFilter.toString();
        log.error(errMsg, e);
        throw new InstanceManagementException(errMsg, e);
    }
    return instanceCountList.get(0);
}