Java Endpoint类代码示例

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
/**
 * Registers the Endpoint deployer.
 *
 * @param axisConfig         AxisConfiguration to which this deployer belongs
 * @param synapseEnvironment SynapseEnvironment to which this deployer belongs
 */
private void registerDeployer(AxisConfiguration axisConfig,
                              SynapseEnvironment synapseEnvironment)
        throws TenantAwareLoadBalanceEndpointException {
    SynapseConfiguration synCfg = synapseEnvironment
            .getSynapseConfiguration();
    DeploymentEngine deploymentEngine = (DeploymentEngine) axisConfig
            .getConfigurator();
    SynapseArtifactDeploymentStore deploymentStore = synCfg
            .getArtifactDeploymentStore();

    String synapseConfigPath = ServiceBusUtils
            .getSynapseConfigAbsPath(synapseEnvironment
                    .getServerContextInformation());
    String endpointDirPath = synapseConfigPath + File.separator
            + MultiXMLConfigurationBuilder.ENDPOINTS_DIR;

    for (Endpoint ep : synCfg.getDefinedEndpoints().values()) {
        if (ep.getFileName() != null) {
            deploymentStore.addRestoredArtifact(endpointDirPath
                    + File.separator + ep.getFileName());
        }
    }
    deploymentEngine.addDeployer(new EndpointDeployer(), endpointDirPath,
            ServiceBusConstants.ARTIFACT_EXTENSION);
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
/**
 * @param to     get an endpoint to send the information
 * @param member The member to which an EP has to be created
 * @param synCtx synapse context
 * @return the created endpoint
 */
private Endpoint getEndpoint(EndpointReference to, org.apache.axis2.clustering.Member member, MessageContext synCtx) {
    AddressEndpoint endpoint = new AddressEndpoint();
    endpoint.setEnableMBeanStats(false);
    endpoint.setName("DLB:" + member.getHostName() +
            ":" + member.getPort() + ":" + UUID.randomUUID());

    EndpointDefinition definition = new EndpointDefinition();
    definition.setTimeoutAction(SynapseConstants.DISCARD_AND_FAULT);
    definition.setTimeoutDuration(LoadBalancerConfiguration.getInstance().getEndpointTimeout());
    definition.setReplicationDisabled(true);
    definition.setAddress(to.getAddress());

    endpoint.setDefinition(definition);
    endpoint.init((SynapseEnvironment)
            ((Axis2MessageContext) synCtx).getAxis2MessageContext().
                    getConfigurationContext().getAxisConfiguration().
                    getParameterValue(SynapseConstants.SYNAPSE_ENV));
    return endpoint;
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
private void prepareEndPointSequence(MessageContext synCtx, Endpoint endpoint) {

        Object o = synCtx.getProperty(SynapseConstants.PROP_SAL_ENDPOINT_ENDPOINT_LIST);
        List<Endpoint> endpointList;
        if (o instanceof List) {
            endpointList = (List<Endpoint>) o;
            endpointList.add(this);

        } else {
            // this is the first endpoint in the hierarchy. so create the queue and
            // insert this as the first element.
            endpointList = new ArrayList<Endpoint>();
            endpointList.add(this);
            synCtx.setProperty(SynapseConstants.PROP_SAL_ENDPOINT_ENDPOINT_LIST, endpointList);
        }

        // if the next endpoint is not a session affinity one, endpoint sequence ends
        // here. but we have to add the next endpoint to the list.
        if (!(endpoint instanceof TenantAwareLoadBalanceEndpoint)) {
            endpointList.add(endpoint);
            // Clearing out if there any any session information with current message
            if (dispatcher.isServerInitiatedSession()) {
                dispatcher.removeSessionID(synCtx);
            }
        }
    }
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
public Endpoint getEndpoint(String endpoint) {
    if (endpointHashMap.get(endpoint) != null) {
        endpointHashMap.get(endpoint).lastAccessTime = System.currentTimeMillis();
        return endpointHashMap.get(endpoint).endpoint;
    } else {
        return null;
    }
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
public static Endpoint createEndpoint(String addressURI, SynapseEnvironment environment) {
    if (EndpointHolder.getInstance().getEndpoint(addressURI) != null) {
        return EndpointHolder.getInstance().getEndpoint(addressURI);
    } else {
        address.addAttribute("uri", addressURI, null);
        endpoint.addChild(address);
        Endpoint ep = EndpointFactory.getEndpointFromElement(endpoint, true, null);
        ep.init(environment);
        EndpointHolder.getInstance().putEndpoint(addressURI, ep);
        return ep;
    }
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
EndpointRef(Endpoint endpoint) {
    this.endpoint = endpoint;
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
public void putEndpoint(String endpointKey, Endpoint endpoint) {
    endpointHashMap.put(endpointKey, new EndpointRef(endpoint));
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
protected void sendToApplicationMember(MessageContext synCtx,
                                       org.apache.axis2.clustering.Member currentMember,
                                       DynamicLoadbalanceFaultHandler faultHandler,
                                       boolean newSession) {
    //Rewriting the URL
    org.apache.axis2.context.MessageContext axis2MsgCtx =
            ((Axis2MessageContext) synCtx).getAxis2MessageContext();

    //Removing the REST_URL_POSTFIX - this is a hack.
    //In this load balance endpoint we create an endpoint per request by setting the complete url as the address.
    //If a REST message comes Axis2FlexibleMEPClient append the REST_URL_POSTFIX to the address. Hence endpoint fails
    //do send the request. e.g.  http://localhost:8080/example/index.html/example/index.html
    axis2MsgCtx.removeProperty(NhttpConstants.REST_URL_POSTFIX);

    String transport = axis2MsgCtx.getTransportIn().getName();
    EndpointReference to = getEndpointReferenceAfterURLRewrite(synCtx, currentMember, transport);
    synCtx.setTo(to);

    Endpoint endpoint = getEndpoint(to, currentMember, synCtx);

    // Push fault handler to manage statistics and fail-over logic
    faultHandler.setTo(to);
    faultHandler.setCurrentMember(currentMember);
    faultHandler.setCurrentEp(endpoint);
    synCtx.pushFaultHandler(faultHandler);
    synCtx.getEnvelope().build();

    if (isSessionAffinityBasedLB()) {
        synCtx.setProperty(SynapseConstants.PROP_SAL_ENDPOINT_DEFAULT_SESSION_TIMEOUT, getSessionTimeout());
        synCtx.setProperty(SynapseConstants.PROP_SAL_ENDPOINT_CURRENT_DISPATCHER, dispatcher);

        if (newSession) {
            prepareEndPointSequence(synCtx, endpoint);
            synCtx.setProperty(SynapseConstants.PROP_SAL_ENDPOINT_CURRENT_MEMBER, currentMember);
            // we should also indicate that this is the first message in the session. so that
            // onFault(...) method can resend only the failed attempts for the first message.
            synCtx.setProperty(SynapseConstants.PROP_SAL_ENDPOINT_FIRST_MESSAGE_IN_SESSION,
                    Boolean.TRUE);
        }
    }

    Map<String, String> memberHosts;
    if ((memberHosts = (Map<String, String>) currentMember.getProperties().get(HttpSessionDispatcher.HOSTS)) == null) {
        currentMember.getProperties().put(HttpSessionDispatcher.HOSTS,
                memberHosts = new HashMap<String, String>());
    }
    memberHosts.put(extractTargetHost(synCtx), "true");
    setupTransportHeaders(synCtx);
    setupLoadBalancerContextProperties(synCtx, currentMember);

    try {
        if (log.isDebugEnabled()) {
            log.debug(String.format("Sending request %s to endpoint: %s", synCtx.getMessageID(), to.getAddress()));
        }
        endpoint.send(synCtx);

        // Increment in-flight request count
        incrementInFlightRequestCount(synCtx);
    } catch (Exception e) {
        if (e.getMessage().toLowerCase().contains("io reactor shutdown")) {
            log.fatal("System cannot continue normal operation. Restarting", e);
            System.exit(121); // restart
        } else {
            throw new SynapseException(e);
        }
    }
}
 

import org.apache.synapse.endpoints.Endpoint; //导入依赖的package包/类
@Override
public void setCurrentEp(Endpoint currentEp) {
    this.currentEp = currentEp;
}