org.jbpm.bpel.graph.exe.MockIntegrationService.java Source code

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Here is the source code for org.jbpm.bpel.graph.exe.MockIntegrationService.java

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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2005, JBoss Inc., and individual contributors as indicated
 * by the @authors tag.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the JBPM BPEL PUBLIC LICENSE AGREEMENT as
 * published by JBoss Inc.; either version 1.0 of the License, or
 * (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */
package org.jbpm.bpel.graph.exe;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.ClassUtils;

import org.jbpm.bpel.endpointref.EndpointReference;
import org.jbpm.bpel.integration.IntegrationService;
import org.jbpm.bpel.integration.def.InvokeAction;
import org.jbpm.bpel.integration.def.PartnerLinkDefinition;
import org.jbpm.bpel.integration.def.ReceiveAction;
import org.jbpm.bpel.integration.def.ReplyAction;
import org.jbpm.graph.exe.Token;
import org.jbpm.svc.Service;
import org.jbpm.svc.ServiceFactory;

/**
 * @author Alejandro Guizar
 * @version $Revision$ $Date: 2008/02/01 05:43:07 $
 */
public class MockIntegrationService implements IntegrationService {

    private Map myReferences = new HashMap();

    private static final long serialVersionUID = 1L;

    private static String getIdString(Object objectWithId) {
        Class classWithId = objectWithId.getClass();
        // get the class name excluding the package
        String className = ClassUtils.getShortClassName(classWithId);
        // obtain the identifier getter method according to jBPM conventions
        String idString = "0";
        try {
            Method idGetter = classWithId.getMethod("getId", null);
            idGetter.setAccessible(true);
            Long idWrapper = (Long) idGetter.invoke(objectWithId, null);
            long id = idWrapper.longValue();
            if (id != 0L) {
                idString = Long.toHexString(id);
            } else {
                // object is transient, fall back to hash code
                idString = Integer.toHexString(objectWithId.hashCode());
            }
        } catch (NoSuchMethodException e) {
            // no id getter, fall back to hash code
            idString = Integer.toHexString(objectWithId.hashCode());
        } catch (IllegalAccessException e) {
            // we made the getter accessible, should not happen
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            // strange a getter throws a checked exception
            e.printStackTrace();
        }
        return className + idString;
    }

    public static void createMark(Object marker, Token token) {
        token.getProcessInstance().getContextInstance().createVariable(getIdString(marker), "xxx", token);
    }

    public static void deleteMark(Object marker, Token token) {
        token.getProcessInstance().getContextInstance().deleteVariable(getIdString(marker), token);
    }

    public static boolean hasMark(Object marker, Token token) {
        return token.getProcessInstance().getContextInstance().hasVariable(getIdString(marker), token);
    }

    public void receive(ReceiveAction receiveAction, Token token, boolean oneShot) {
        createMark(receiveAction, token);
    }

    public void receive(List receivers, Token token) {
        Iterator receiverIt = receivers.iterator();
        while (receiverIt.hasNext()) {
            ReceiveAction receiveAction = (ReceiveAction) receiverIt.next();
            createMark(receiveAction, token);
        }
    }

    public void cancelReception(ReceiveAction receiveAction, Token token) {
        deleteMark(receiveAction, token);
    }

    public void endReception(List receivers, Token token) {
        Iterator receiverIt = receivers.iterator();
        while (receiverIt.hasNext()) {
            ReceiveAction receiveAction = (ReceiveAction) receiverIt.next();
            deleteMark(receiveAction, token);
        }
    }

    public void reply(ReplyAction replyAction, Token token) {
        throw new UnsupportedOperationException();
    }

    public void invoke(InvokeAction invokeAction, Token token) {
        throw new UnsupportedOperationException();
    }

    public void cancelInvocation(InvokeAction invokeAction, Token token) {
        throw new UnsupportedOperationException();
    }

    public EndpointReference getMyReference(PartnerLinkDefinition partnerLink, Token token) {
        return (EndpointReference) myReferences.get(getIdString(partnerLink));
    }

    public void setMyReference(PartnerLinkDefinition partnerLink, EndpointReference myReference) {
        myReferences.put(getIdString(partnerLink), myReference);
    }

    public void enableStartActivities() {
        throw new UnsupportedOperationException();
    }

    public void disableStartActivities() {
        throw new UnsupportedOperationException();
    }

    public void close() {
        // noop
    }

    public static class Factory implements ServiceFactory {

        private static final long serialVersionUID = 1L;

        public Service openService() {
            return new MockIntegrationService();
        }

        public void close() {
            // noop
        }
    }
}