Examples with Compare org.wso2.siddhi.query.api.expression.condition.Compare used on opensource projects

Example 16 with Compare

use of org.wso2.siddhi.query.api.expression.condition.Compare in project carbon-business-process by wso2.

the class ProcessManagementServiceSkeleton method processQuery.

/**
 * Query processes based on a {@link org.apache.ode.bpel.common.ProcessFilter} criteria. This is
 * implemented in memory rather than via database calls since the processes
 * are managed by the {@link org.apache.ode.bpel.iapi.ProcessStore} object and we don't want to make
 * this needlessly complicated.
 *
 * @param filter              process filter
 * @param tenantsProcessStore Current Tenant's process store
 * @return ProcessConf collection
 * @throws ProcessManagementException if an error occurred while processing query
 */
private Collection<ProcessConf> processQuery(ProcessFilter filter, TenantProcessStoreImpl tenantsProcessStore) throws ProcessManagementException {
    Map<QName, ProcessConfigurationImpl> processes = tenantsProcessStore.getProcessConfigMap();
    if (log.isDebugEnabled()) {
        for (Map.Entry<QName, ProcessConfigurationImpl> process : processes.entrySet()) {
            log.debug("Process " + process.getKey() + " in state " + process.getValue());
        }
    }
    Set<QName> pids = processes.keySet();
    // Name filter can be implemented using only the PIDs.
    if (filter != null && filter.getNameFilter() != null) {
        // adding escape sequences to [\^$.|?*+(){} characters
        String nameFilter = filter.getNameFilter().replace("\\", "\\\\").replace("]", "\\]").replace("[", "\\[").replace("^", "\\^").replace("$", "\\$").replace("|", "\\|").replace("?", "\\?").replace(".", "\\.").replace("+", "\\+").replace("(", "\\(").replace(")", "\\)").replace("{", "\\{").replace("}", "\\}").replace("*", ".*");
        final Pattern pattern = Pattern.compile(nameFilter + "(-\\d*)?");
        CollectionsX.remove_if(pids, new MemberOfFunction<QName>() {

            @Override
            public boolean isMember(QName o) {
                return !pattern.matcher(o.getLocalPart()).matches();
            }
        });
    }
    if (filter != null && filter.getNamespaceFilter() != null) {
        // adding escape sequences to [\^$.|?*+(){} characters
        String namespaceFilter = filter.getNamespaceFilter().replace("\\", "\\\\").replace("]", "\\]").replace("[", "\\[").replace("^", "\\^").replace("$", "\\$").replace("|", "\\|").replace("?", "\\?").replace(".", "\\.").replace("+", "\\+").replace("(", "\\(").replace(")", "\\)").replace("{", "\\{").replace("}", "\\}").replace("*", ".*");
        final Pattern pattern = Pattern.compile(namespaceFilter);
        CollectionsX.remove_if(pids, new MemberOfFunction<QName>() {

            @Override
            public boolean isMember(QName o) {
                String ns = o.getNamespaceURI() == null ? "" : o.getNamespaceURI();
                return !pattern.matcher(ns).matches();
            }
        });
    }
    // Now we need the process conf objects, we need to be
    // careful since someone could have deleted them by now
    List<ProcessConf> confs = new LinkedList<ProcessConf>();
    for (QName pid : pids) {
        ProcessConf pConf = tenantsProcessStore.getProcessConfiguration(pid);
        if (pConf != null) {
            confs.add(pConf);
        }
    }
    if (filter != null) {
        // Specific filter for deployment date.
        if (filter.getDeployedDateFilter() != null) {
            for (final String ddf : filter.getDeployedDateFilter()) {
                final Date dd;
                try {
                    dd = ISO8601DateParser.parse(Filter.getDateWithoutOp(ddf));
                } catch (ParseException e) {
                    // Should never happen.
                    String errMsg = "Exception while parsing date";
                    log.error(errMsg, e);
                    throw new ProcessManagementException(errMsg, e);
                }
                CollectionsX.remove_if(confs, new MemberOfFunction<ProcessConf>() {

                    @Override
                    public boolean isMember(ProcessConf o) {
                        if (ddf.startsWith("=")) {
                            return !o.getDeployDate().equals(dd);
                        }
                        if (ddf.startsWith("<=")) {
                            return o.getDeployDate().getTime() > dd.getTime();
                        }
                        if (ddf.startsWith(">=")) {
                            return o.getDeployDate().getTime() < dd.getTime();
                        }
                        if (ddf.startsWith("<")) {
                            return o.getDeployDate().getTime() >= dd.getTime();
                        }
                        return ddf.startsWith(">") && (o.getDeployDate().getTime() <= dd.getTime());
                    }
                });
            }
        }
        // Ordering
        if (filter.getOrders() != null) {
            ComparatorChain cChain = new ComparatorChain();
            for (String key : filter.getOrders()) {
                boolean ascending = true;
                String orderKey = key;
                if (key.startsWith("+") || key.startsWith("-")) {
                    orderKey = key.substring(1, key.length());
                    if (key.startsWith("-")) {
                        ascending = false;
                    }
                }
                Comparator c;
                if ("name".equals(orderKey)) {
                    c = new Comparator<ProcessConf>() {

                        public int compare(ProcessConf o1, ProcessConf o2) {
                            return o1.getProcessId().getLocalPart().compareTo(o2.getProcessId().getLocalPart());
                        }
                    };
                } else if ("namespace".equals(orderKey)) {
                    c = new Comparator<ProcessConf>() {

                        public int compare(ProcessConf o1, ProcessConf o2) {
                            String ns1 = o1.getProcessId().getNamespaceURI() == null ? "" : o1.getProcessId().getNamespaceURI();
                            String ns2 = o2.getProcessId().getNamespaceURI() == null ? "" : o2.getProcessId().getNamespaceURI();
                            return ns1.compareTo(ns2);
                        }
                    };
                } else if ("version".equals(orderKey)) {
                    c = new Comparator<ProcessConf>() {

                        public int compare(ProcessConf o1, ProcessConf o2) {
                            return (int) (o1.getVersion() - o2.getVersion());
                        }
                    };
                } else if ("deployed".equals(orderKey)) {
                    c = new Comparator<ProcessConf>() {

                        public int compare(ProcessConf o1, ProcessConf o2) {
                            return o1.getDeployDate().compareTo(o2.getDeployDate());
                        }
                    };
                } else if ("status".equals(orderKey)) {
                    c = new Comparator<ProcessConf>() {

                        public int compare(ProcessConf o1, ProcessConf o2) {
                            return o1.getState().compareTo(o2.getState());
                        }
                    };
                } else {
                    // unrecognized
                    if (log.isDebugEnabled()) {
                        log.debug("unrecognized order key" + orderKey);
                    }
                    continue;
                }
                cChain.addComparator(c, !ascending);
            }
            Collections.sort(confs, cChain);
        }
    }
    return confs;
}

Example 17 with Compare

use of org.wso2.siddhi.query.api.expression.condition.Compare in project carbon-business-process by wso2.

the class TenantRepository method deploy.

/**
 * Deploys a BPMN package in the Activiti engine. Each BPMN package has an entry in the registry.
 * Checksum of the latest version of the BPMN package is stored in this entry.
 * This checksum is used to determine whether a package is a new deployment
 * (or a new version of an existing package) or a redeployment of an existing package.
 * We have to ignor the later case. If a package is a new deployment, it is deployed in the Activiti engine.
 *
 * @param deploymentContext DeploymentContext
 * @return true, if artifact was deployed, false, if the artifact has not changed & hence not deployed
 * @throws DeploymentException if deployment fails
 */
// public boolean deploy(BPMNDeploymentContext deploymentContext) throws DeploymentException {
// ZipInputStream archiveStream = null;
// 
// try {
// 
// String deploymentName =
// FilenameUtils.getBaseName(deploymentContext.getBpmnArchive().getName());
// 
// // Compare the checksum of the BPMN archive with the currently available checksum in the registry
// // to determine whether this is a new deployment.
// String checksum = "";
// try {
// checksum = Utils.getMD5Checksum(deploymentContext.getBpmnArchive());
// } catch (IOException e) {
// log.error("Checksum genration failed for IO operation",e);
// } catch (NoSuchAlgorithmException e) {
// log.error("Checksum genration Algorithm not found",e);
// }
// 
// DeploymentMetaDataModel deploymentMetaDataModel =
// activitiDAO.selectTenantAwareDeploymentModel(tenantId.toString(), deploymentName);
// 
// if (log.isDebugEnabled()) {
// log.debug("deploymentName=" + deploymentName + " checksum=" + checksum);
// log.debug("deploymentMetaDataModel=" + deploymentMetaDataModel.toString());
// }
// 
// if (deploymentMetaDataModel != null) {
// if (checksum.equalsIgnoreCase(deploymentMetaDataModel.getCheckSum())) {
// return false;
// }
// }
// 
// ProcessEngineImpl engine =
// (ProcessEngineImpl) BPMNServerHolder.getInstance().getEngine();
// 
// RepositoryService repositoryService = engine.getRepositoryService();
// DeploymentBuilder deploymentBuilder =
// repositoryService.createDeployment().tenantId(tenantId.toString()).
// name(deploymentName);
// try {
// archiveStream =
// new ZipInputStream(new FileInputStream(deploymentContext.getBpmnArchive()));
// } catch (FileNotFoundException e) {
// String errMsg = "Archive stream not found for BPMN repsoitory";
// throw new DeploymentException(errMsg, e);
// }
// 
// deploymentBuilder.addZipInputStream(archiveStream);
// Deployment deployment = deploymentBuilder.deploy();
// 
// if (deploymentMetaDataModel == null) {
// 
// deploymentMetaDataModel = new DeploymentMetaDataModel();
// deploymentMetaDataModel.setPackageName(deploymentName);
// deploymentMetaDataModel.setCheckSum(checksum);
// deploymentMetaDataModel.setTenantID(tenantId.toString());
// deploymentMetaDataModel.setId(deployment.getId());
// 
// //call for insertion
// this.activitiDAO.insertDeploymentMetaDataModel(deploymentMetaDataModel);
// } else {
// //call for update
// deploymentMetaDataModel.setCheckSum(checksum);
// this.activitiDAO.updateDeploymentMetaDataModel(deploymentMetaDataModel);
// }
// 
// } finally {
// if (archiveStream != null) {
// try {
// archiveStream.close();
// } catch (IOException e) {
// log.error("Could not close archive stream", e);
// }
// }
// }
// 
// return true;
// }
public void deploy(BPMNDeploymentContext deploymentContext) throws DeploymentException {
    ZipInputStream archiveStream = null;
    try {
        String deploymentName = FilenameUtils.getBaseName(deploymentContext.getBpmnArchive().getName());
        // Compare the checksum of the BPMN archive with the currently available checksum in the registry to determine whether this is a new deployment.
        String checksum = Utils.getMD5Checksum(deploymentContext.getBpmnArchive());
        RegistryService registryService = BPMNServerHolder.getInstance().getRegistryService();
        Registry tenantRegistry = registryService.getConfigSystemRegistry(tenantId);
        String deploymentRegistryPath = BPMNConstants.BPMN_REGISTRY_PATH + BPMNConstants.REGISTRY_PATH_SEPARATOR + deploymentName;
        Resource deploymentEntry = null;
        if (tenantRegistry.resourceExists(deploymentRegistryPath)) {
            deploymentEntry = tenantRegistry.get(deploymentRegistryPath);
        } else {
            // This is a new deployment
            deploymentEntry = tenantRegistry.newCollection();
        }
        String latestChecksum = deploymentEntry.getProperty(BPMNConstants.LATEST_CHECKSUM_PROPERTY);
        if (latestChecksum != null && checksum.equals(latestChecksum)) {
            // This is a server restart
            return;
        }
        deploymentEntry.setProperty(BPMNConstants.LATEST_CHECKSUM_PROPERTY, checksum);
        // Deploy the package in the Activiti engine
        ProcessEngine engine = BPMNServerHolder.getInstance().getEngine();
        RepositoryService repositoryService = engine.getRepositoryService();
        DeploymentBuilder deploymentBuilder = repositoryService.createDeployment().tenantId(tenantId.toString()).name(deploymentName);
        archiveStream = new ZipInputStream(new FileInputStream(deploymentContext.getBpmnArchive()));
        deploymentBuilder.addZipInputStream(archiveStream);
        deploymentBuilder.deploy();
        tenantRegistry.put(deploymentRegistryPath, deploymentEntry);
    } catch (Exception e) {
        String errorMessage = "Failed to deploy the archive: " + deploymentContext.getBpmnArchive().getName();
        log.error(errorMessage, e);
        // Remove the deployment archive from the tenant's deployment folder
        File deploymentArchive = new File(repoFolder, deploymentContext.getBpmnArchive().getName());
        FileUtils.deleteQuietly(deploymentArchive);
        log.info("Removing the faulty archive : " + deploymentContext.getBpmnArchive().getName());
        throw new DeploymentException(errorMessage, e);
    } finally {
        if (archiveStream != null) {
            try {
                archiveStream.close();
            } catch (IOException e) {
                log.error("Could not close archive stream", e);
            }
        }
    }
}