Examples of javax.ejb.EntityBean

javax.ejb.EntityBean
@version $Rev: 46019 $ $Date: 2004-09-14 03:56:06 -0600 (Tue, 14 Sep 2004) $


    protected Object invoke(Method callMethod, Method runMethod, Object [] args, ThreadContext callContext) throws OpenEJBException {
        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();
        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        EntityBean bean = null;


        Object returnValue = null;
        entrancyTracker.enter(callContext.getDeploymentInfo(), callContext.getPrimaryKey());
        try {
            bean = instanceManager.obtainInstance(callContext);

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        * super classes afterInvoke( ) method will be executed committing the transaction if its a CMT.
        */


        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        EntityBean bean = null;
        Object primaryKey = null;
        try {
            // Get new ready instance
            bean = instanceManager.obtainInstance(callContext);

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        callContext.setCurrentAllowedStates(EntityContext.getStates());


        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();
        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        EntityBean bean = null;
        try {


            bean = instanceManager.obtainInstance(callContext);


            ejbLoad_If_No_Transaction(callContext, bean);
            bean.ejbRemove();
            didRemove(bean, callContext);
            instanceManager.poolInstance(callContext, bean, callContext.getPrimaryKey());
        } catch (Throwable e) {
            handleException(txPolicy, e, callContext, bean);
        } finally {

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    }


    private EntityBean createNewInstance(ThreadContext callContext) {
        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();
        try {
            EntityBean bean = (EntityBean) deploymentInfo.getCmpImplClass().newInstance();
            return bean;
        } catch (Exception e) {
            throw new EJBException("Unable to create new entity bean instance " + deploymentInfo.getCmpImplClass(), e);
        }
    }

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    private Object businessMethod(Method callMethod, Method runMethod, Object[] args, ThreadContext callContext) throws OpenEJBException {
        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();


        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        EntityBean bean;
        Object returnValue = null;


        entrancyTracker.enter(deploymentInfo, callContext.getPrimaryKey());
        try {
            bean = (EntityBean) cmpEngine.loadBean(callContext, callContext.getPrimaryKey());

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    private Object homeMethod(Method callMethod, Object[] args, ThreadContext callContext) throws OpenEJBException {
        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();


        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        EntityBean bean;
        Object returnValue = null;
        try {
            /*
              Obtain a bean instance from the method ready pool
            */
            bean = createNewInstance(callContext);


            // set the entity context
            setEntityContext(bean);


            try {
                callContext.setCurrentOperation(Operation.HOME);
                callContext.setCurrentAllowedStates(EntityContext.getStates());


                Method runMethod = deploymentInfo.getMatchingBeanMethod(callMethod);


                try {
                    returnValue = runMethod.invoke(bean, args);
                } catch (IllegalArgumentException e) {
                    System.out.println("********************************************************");
                    System.out.println("callMethod = " + callMethod);
                    System.out.println("runMethod = " + runMethod);
                    System.out.println("bean = " + bean.getClass().getName());


                    throw e;
                }
            } finally {
                unsetEntityContext(bean);

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    private ProxyInfo createEJBObject(Method callMethod, Object[] args, ThreadContext callContext) throws OpenEJBException {
        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();


        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        EntityBean bean;
        Object primaryKey = null;


        try {
            // Obtain a bean instance from the method ready pool
            bean = createNewInstance(callContext);

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        CoreDeploymentInfo deploymentInfo = callContext.getDeploymentInfo();


        TransactionPolicy txPolicy = createTransactionPolicy(deploymentInfo.getTransactionType(callMethod), callContext);


        try {
            EntityBean bean = (EntityBean) cmpEngine.loadBean(callContext, args[0]);
            if (bean == null) {
                throw new ObjectNotFoundException(deploymentInfo.getDeploymentID() + " : " + args[0]);
            }


            // rebuild the primary key

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            // of ProxyInfo objects will be returned. If its a single-value find operation then a
            // single ProxyInfo object is returned.
            if (callMethod.getReturnType() == Collection.class || callMethod.getReturnType() == Enumeration.class) {
                List<ProxyInfo> proxies = new ArrayList<ProxyInfo>();
                for (Object value : results) {
                    EntityBean bean = (EntityBean) value;


                    if (value == null) {
                        proxies.add(null);
                    } else {
                        // get the primary key
                        Object primaryKey = kg.getPrimaryKey(bean);


                        // create a new ProxyInfo based on the deployment info and primary key and add it to the vector
                        proxies.add(new ProxyInfo(deploymentInfo, primaryKey));
                    }
                }
                if (callMethod.getReturnType() == Enumeration.class) {
                    return new Enumerator(proxies);
                } else {
                    return proxies;
                }
            } else {
                if (results.size() != 1) {
                    throw new ObjectNotFoundException("A Enteprise bean with deployment_id = " + deploymentInfo.getDeploymentID() + " and primarykey = " + args[0] + " Does not exist");
                }


                // create a new ProxyInfo based on the deployment info and primary key
                EntityBean bean = (EntityBean) results.get(0);
                if (bean == null) {
                    return null;
                } else {
                    Object primaryKey = kg.getPrimaryKey(bean);
                    return new ProxyInfo(deploymentInfo, primaryKey);

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                    throw new FinderException("The single valued query " + methodSignature + "returned more than one item");
                }


                // if we have an EntityBean, we need to proxy it
                if (value instanceof EntityBean) {
                    EntityBean entityBean = (EntityBean) value;
                    if (proxyFactory == null) {
                        CoreDeploymentInfo resultInfo = (CoreDeploymentInfo) getDeploymentInfoByClass(entityBean.getClass());
                        if (resultInfo != null) {
                            proxyFactory = new ProxyFactory(resultInfo);
                        }
                    }

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Related Classes of javax.ejb.EntityBean

org.apache.openejb.core.cmp.CmpContainer

org.apache.openejb.core.cmp.jpa.JpaCmpEngine

org.apache.openejb.core.cmp.jpa.JpaCmpEngine$OpenJPALifecycleListener

org.apache.openejb.core.entity.EntityContainer

org.apache.openejb.core.entity.EntityInstanceManager

org.apache.openejb.core.entity.EntityInstanceManager$SynchronizationWrapper

org.apache.openejb.core.entity.EntityInstanceManager$SyncronizationWrapper

org.glassfish.persistence.ejb.entitybean.container.EntityContainer

org.glassfish.persistence.ejb.entitybean.container.EntityContainer$EntityContextFactory

org.glassfish.persistence.ejb.entitybean.container.ReadOnlyBeanContainer

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