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package eu.etaxonomy.taxeditor.service;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.HashSet;
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import java.util.Set;
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import org.apache.log4j.Logger;
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import org.springframework.remoting.httpinvoker.HttpInvokerClientConfiguration;
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import org.springframework.remoting.support.RemoteInvocation;
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import org.springframework.remoting.support.RemoteInvocationResult;
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import org.springframework.stereotype.Component;
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import eu.etaxonomy.cdm.api.application.CdmApplicationRemoteController;
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import eu.etaxonomy.cdm.api.application.CdmApplicationState;
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import eu.etaxonomy.cdm.api.service.UpdateResult;
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import eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager;
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@Component
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public class CdmServiceRequestExecutor extends CdmAuthenticatedHttpInvokerRequestExecutor {
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private static final Logger logger = Logger.getLogger(CdmServiceRequestExecutor.class);
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private ICdmEntitySessionManager cdmEntitySessionManager ;
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private RemoteInvocation currentRemoteInvocation;
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protected final static Set<String> cachableMethods = new HashSet<String>();
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public CdmServiceRequestExecutor() {
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cachableMethods.add("merge");
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cachableMethods.add("save");
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cachableMethods.add("findWithUpdate");
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cachableMethods.add("loadWithUpdate");
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}
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@Override
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protected void writeRemoteInvocation(RemoteInvocation invocation, OutputStream os) throws IOException {
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if(cdmEntitySessionManager == null) {
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cdmEntitySessionManager =
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((CdmApplicationRemoteController)CdmApplicationState.getCurrentAppConfig()).getCdmEntitySessionManager();
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}
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currentRemoteInvocation = invocation;
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super.writeRemoteInvocation(invocation, os);
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}
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@Override
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protected RemoteInvocationResult doExecuteRequest(HttpInvokerClientConfiguration config,
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java.io.ByteArrayOutputStream baos)
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throws java.io.IOException,
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java.lang.ClassNotFoundException {
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RemoteInvocationResult rir = fromCache(currentRemoteInvocation);
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if(rir == null) {
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if (!(currentRemoteInvocation.getMethodName() == null) && !(config.getServiceUrl() == null)){
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// logger.info("Remote invoking : " + currentRemoteInvocation.getMethodName() + "@" + config.getServiceUrl());
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}
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rir = super.doExecuteRequest(config, baos);
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if(rir.getValue() != null && !rir.hasException()) {
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if (currentRemoteInvocation == null){
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logger.debug("return RemoteInvocationResult without caching" );
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return rir;
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}
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if(cachableMethods.contains(currentRemoteInvocation.getMethodName())) {
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rir = new RemoteInvocationResult(cdmEntitySessionManager.load(rir.getValue(), true));
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} else if(rir.getValue() instanceof UpdateResult){
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UpdateResult result = (UpdateResult)rir.getValue();
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if(result.isOk()){
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cdmEntitySessionManager.load(result, true);
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}
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} else {
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rir = new RemoteInvocationResult(cdmEntitySessionManager.load(rir.getValue(), false));
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}
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}
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cache(currentRemoteInvocation, rir);
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}
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currentRemoteInvocation = null;
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return rir;
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}
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public void cache(RemoteInvocation ri, RemoteInvocationResult rir) {
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}
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public RemoteInvocationResult fromCache(RemoteInvocation ri) {
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return null;
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}
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}
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