com.catify.processengine.management.ProcessManagementServiceImpl.java Source code

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Here is the source code for com.catify.processengine.management.ProcessManagementServiceImpl.java

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/**
 * *******************************************************
 * Copyright (C) 2013 catify <info@catify.com>
 * *******************************************************
 *
 * 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.
 */
package com.catify.processengine.management;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FilenameFilter;
import java.util.ArrayList;

import javax.xml.bind.JAXBException;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Configurable;

import akka.actor.ActorRef;

import com.catify.processengine.core.ProcessInitializer;
import com.catify.processengine.core.data.services.IdService;
import com.catify.processengine.core.messages.TriggerMessage;
import com.catify.processengine.core.processdefinition.jaxb.TProcess;
import com.catify.processengine.core.processdefinition.jaxb.TSubProcess;
import com.catify.processengine.core.services.ActorReferenceService;

/**
 * Implementation of the ProcessManagementService.
 * 
 * @author christopher kster
 * 
 */
@Configurable
public class ProcessManagementServiceImpl implements ProcessManagementService {

    static final Logger LOG = LoggerFactory.getLogger(ProcessManagementServiceImpl.class);

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementSer#startAllDeployedProcesses(java.lang.String)
     */
    @Override
    public void startAllDeployedProcesses(String clientId) throws FileNotFoundException, JAXBException {

        // get a file list of all processes in the 'deployed' folder
        File deployDir = new File(ProcessImportServiceImpl.DEPLOYDIR);
        if (!deployDir.exists()) {
            LOG.warn("The folder " + ProcessImportServiceImpl.DEPLOYDIR
                    + " does not exist. There are no processes to deploy.");
        } else {
            String[] fileList = deployDir.list(new FilenameFilter() {
                public boolean accept(File d, String name) {
                    return name.toLowerCase().endsWith(".bpmn");
                }
            });

            // transform the xml's to jaxb and init them
            XmlJaxbTransformer xmlJaxbTransformer = new XmlJaxbTransformer();
            ProcessInitializer processInitializer = new ProcessInitializer();

            for (String processDefinition : fileList) {
                this.logProcessDefinitionStart(processDefinition);

                String processDefinitionPath = deployDir + File.separator + processDefinition;
                processInitializer.initializeProcessDefinition(clientId,
                        xmlJaxbTransformer.getTDefinitionsFromBpmnXml(processDefinitionPath));
            }
        }
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementSer#startDeployedProcess(java.lang.String, java.lang.String)
     */
    @Override
    public void startDeployedProcess(String clientId, String processDefinitionFileName)
            throws FileNotFoundException, JAXBException {

        File deployDir = new File(ProcessImportServiceImpl.DEPLOYDIR);
        if (!deployDir.exists()) {
            LOG.warn("The folder " + ProcessImportServiceImpl.DEPLOYDIR
                    + " does not exist. There are no processes to deploy.");
        } else {

            // transform the xml's to jaxb and init them
            XmlJaxbTransformer xmlJaxbTransformer = new XmlJaxbTransformer();
            ProcessInitializer processInitializer = new ProcessInitializer();

            this.logProcessDefinitionStart(processDefinitionFileName);

            processInitializer.initializeProcessDefinition(clientId, xmlJaxbTransformer.getTDefinitionsFromBpmnXml(
                    ProcessImportServiceImpl.DEPLOYDIR + File.separator + processDefinitionFileName));
        }
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementSer#startProcessFromDefinitionFile(java.lang.String, java.io.File)
     */
    @Override
    public void startProcessFromDefinitionFile(String clientId, File processDefinition)
            throws FileNotFoundException, JAXBException {
        // transform the xml's to jaxb and init them
        XmlJaxbTransformer xmlJaxbTransformer = new XmlJaxbTransformer();
        ProcessInitializer processInitializer = new ProcessInitializer();

        this.logProcessDefinitionStart(processDefinition.getName());

        processInitializer.initializeProcessDefinition(clientId,
                xmlJaxbTransformer.getTDefinitionsFromBpmnXml(processDefinition));
    }

    /**
     * Create a log message for a process definition start.
     *
     * @param processDefinition the process definition
     */
    private void logProcessDefinitionStart(String processDefinition) {
        LOG.info(String.format("Starting processes defined in %s", processDefinition));
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementSer#createProcessInstance(java.lang.String)
     */
    @Override
    public void createProcessInstance(String uniqueFlowNodeId, TriggerMessage triggerMessage) {

        sendTriggerMessage(uniqueFlowNodeId, triggerMessage);
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementService#createProcessInstance(java.lang.String, com.catify.processengine.core.processdefinition.jaxb.TProcess, java.lang.String, com.catify.processengine.core.messages.TriggerMessage)
     */
    @Override
    public void createProcessInstance(String clientId, TProcess processJaxb, String startEventId,
            TriggerMessage triggerMessage) {
        this.sendTriggerMessage(clientId, processJaxb, startEventId, triggerMessage);
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementService#sendTriggerMessage(java.lang.String, com.catify.processengine.core.processdefinition.jaxb.TProcess, java.lang.String, com.catify.processengine.core.messages.TriggerMessage)
     */
    @Override
    public void sendTriggerMessage(String clientId, TProcess processJaxb, String nodeId,
            TriggerMessage triggerMessage) {

        String uniqueFlowNodeId = IdService.getUniqueFlowNodeId(clientId, processJaxb, null, nodeId);

        sendTriggerMessage(uniqueFlowNodeId, triggerMessage);
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementService#sendTriggerMessage(java.lang.String, com.catify.processengine.core.processdefinition.jaxb.TProcess, java.lang.String, com.catify.processengine.core.messages.TriggerMessage)
     */
    @Override
    public void sendTriggerMessage(String clientId, TProcess processJaxb, ArrayList<TSubProcess> subProcessesJaxb,
            String nodeId, TriggerMessage triggerMessage) {

        String uniqueFlowNodeId = IdService.getUniqueFlowNodeId(clientId, processJaxb, subProcessesJaxb, nodeId);

        sendTriggerMessage(uniqueFlowNodeId, triggerMessage);
    }

    /* (non-Javadoc)
     * @see com.catify.processengine.management.ProcessManagementService#sendTriggerMessage(java.lang.String, com.catify.processengine.core.messages.TriggerMessage)
     */
    @Override
    public void sendTriggerMessage(String uniqueFlowNodeId, TriggerMessage triggerMessage) {

        ActorRef actorRef = new ActorReferenceService().getActorReference(uniqueFlowNodeId);

        LOG.debug("Sending TriggerMessage to " + actorRef);

        actorRef.tell(triggerMessage, null);
    }
}