Package org.wso2.carbon.cep.core.backend

Examples of org.wso2.carbon.cep.core.backend.CEPEngineProvider

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    }

    public byte[] getProcessImage(String processId) {

        QName qName = decode(processId);
        SVGInterface svg = createSVG(qName);
        return svg.toPNGBytes();
    }
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    private SVGInterface createSVG(QName qName) {

        // generate new
        InputStream in = getBpelDescriptor(qName);

        SVGInterface svg = null;

        try {
            svg = BPEL2SVGUtil.generate(in);

            if (svg == null)
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    protected static SVGImpl generateSVGImpl(java.io.InputStream is) throws java.io.IOException {
      byte[] b=new byte[is.available()];
      is.read(b);
   
      BPELInterface bpel = new BPELImpl();
        OMElement bpelStr = bpel.load(new String(b));
       
        bpel.processBpelString(bpelStr);

        LayoutManager layoutManager = BPEL2SVGFactory.getInstance().getLayoutManager();
        layoutManager.setVerticalLayout(true);
        layoutManager.setYSpacing(20);
        layoutManager.setYSpacing(50);
        layoutManager.layoutSVG(bpel.getRootActivity());

        SVGImpl svg = new SVGImpl();
        svg.setRootActivity(bpel.getRootActivity());
       
        return(svg);
    }
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   * @param transformer The optional image transformer
   * @throws java.io.IOException Failed to generate the representation
   */
    public static void generate(java.io.InputStream is, java.io.OutputStream os,
                SVGImageTransformer transformer) throws java.io.IOException {
        SVGImpl svg = generateSVGImpl(is);
       
        if (transformer == null) {
          String str=svg.getHeaders()+svg.generateSVGString();
          os.write(str.getBytes());
        } else {
          transformer.transform(svg, os);
        }
    }
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        layoutManager.setVerticalLayout(true);
        layoutManager.setYSpacing(20);
        layoutManager.setYSpacing(50);
        layoutManager.layoutSVG(bpel.getRootActivity());

        SVGImpl svg = new SVGImpl();
        svg.setRootActivity(bpel.getRootActivity());
       
        return(svg);
    }
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    private static final Log log = LogFactory.getLog(CEPEngineProviderHelper.class);


    public static CEPEngineProvider fromOM(OMElement cepEngineProviderElement)
            throws CEPConfigurationException {
        CEPEngineProvider cepEngineProvider = new CEPEngineProvider();

        String name =
                cepEngineProviderElement.getAttributeValue(
                        new QName(CEPConstants.CEP_CONF_ATTR_NAME));

        if (name == null) {
            String errorMessage = "Provider name is not given in the cep config";
            log.error(errorMessage);
            throw new CEPConfigurationException(errorMessage);
        }
        cepEngineProvider.setName(name);

        String providerClassName =
                cepEngineProviderElement.getAttributeValue(
                        new QName(CEPConstants.CEP_CONF_ATTR_CLASS));
        if (providerClassName == null) {
            String errorMessage = "Provider class is not given in the cep config";
            log.error(errorMessage);
            throw new CEPConfigurationException(errorMessage);
        }

        // here we assume cep provider should have given as a fragment host for this bundle
        // TODO: is it necessary to publish provider as an OSGI service
        try {
            Class providerClass = Class.forName(providerClassName);
            cepEngineProvider.setProviderClass(providerClass);
            return cepEngineProvider;
        } catch (ClassNotFoundException e) {
            String errorMessage = "Can not load the " + providerClassName;
            log.error(errorMessage);
            throw new CEPConfigurationException(errorMessage, e);
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        }
    }

    public void addBucket(Bucket bucket, AxisConfiguration axisConfiguration) throws CEPConfigurationException {

        CEPEngineProvider cepEngineProvider;
        this.axisConfiguration = axisConfiguration;
        if (bucket.getEngineProvider() == null) {
            String errorMessage = "No cep engine provider is given";
            log.error(errorMessage);
            throw new CEPConfigurationException(errorMessage);
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    private static final Log log = LogFactory.getLog(FustionBackEndRuntimeDS.class);

    protected void activate(ComponentContext context) {
        // registers with the cep service
        CEPEngineProvider droolsFusionCEPEngineProvider = new CEPEngineProvider();
        droolsFusionCEPEngineProvider.setName("DroolsFusionCEPRuntime");
        droolsFusionCEPEngineProvider.setProviderClass(FusionBackEndRuntimeFactory.class);

        try {
            FusionBackEndRuntimeValueHolder.getInstance().getCEPService()
                .registerCEPEngineProvider(droolsFusionCEPEngineProvider);
        } catch (CEPConfigurationException e) {
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        } else if (scheme.equals(ClusteringConstants.MembershipScheme.MULTICAST_BASED)) {
            membershipScheme = new MulticastBasedMembershipScheme(parameters, primaryDomain,
                                                                  nwConfig.getJoin().getMulticastConfig());
            membershipScheme.init();
        } else if (scheme.equals(HazelcastConstants.AWS_MEMBERSHIP_SCHEME)) {
            membershipScheme = new AWSBasedMembershipScheme(parameters, primaryDomain,
                                                            nwConfig.getJoin().getAwsConfig());
            membershipScheme.init();
        } else {
            String msg = "Invalid membership scheme '" + scheme +
                         "'. Supported schemes are multicast & wka";
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                } catch (InterruptedException ignored) {
                }
                membershipScheme.init();
            }
        } else if (scheme.equals(ClusteringConstants.MembershipScheme.MULTICAST_BASED)) {
            membershipScheme = new MulticastBasedMembershipScheme(parameters, primaryDomain,
                                                                  nwConfig.getJoin().getMulticastConfig());
            membershipScheme.init();
        } else if (scheme.equals(HazelcastConstants.AWS_MEMBERSHIP_SCHEME)) {
            membershipScheme = new AWSBasedMembershipScheme(parameters, primaryDomain,
                                                            nwConfig.getJoin().getAwsConfig());
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Related Classes of org.wso2.carbon.cep.core.backend.CEPEngineProvider

  • com.hazelcast.config.Config
  • com.hazelcast.config.GroupConfig
  • com.hazelcast.config.NetworkConfig
  • com.icegreen.greenmail.util.GreenMail
  • org.apache.axiom.om.OMElement
  • org.apache.axis2.client.Options
  • org.apache.axis2.client.ServiceClient
  • org.apache.axis2.clustering.ClusteringFault
  • org.apache.axis2.context.ConfigurationContext
  • org.apache.axis2.description.Parameter
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