Examples of javax.ejb.EntityBean

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

                    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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        TransactionPolicy txPolicy = deploymentInfo.getTransactionPolicy(callMethod);


        txPolicy.beforeInvoke(null, txContext);
        try {
            CmpEngine cmpEngine = getCmpEngine(deploymentInfo);
            EntityBean entityBean = (EntityBean) cmpEngine.loadBean(callContext, callContext.getPrimaryKey());
            if (entityBean == null) {
                throw new NoSuchObjectException(callContext.getDeploymentInfo().getDeploymentID() + " " + callContext.getPrimaryKey());
            }
            ejbRemove(entityBean);
            cmpEngine.removeBean(callContext);

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        // perform all work in a wrapper list on demand by the application code
        List results = query.getResultList();
        for (Object value : results) {
            if (value instanceof EntityBean) {
                // todo don't activate beans already activated
                EntityBean entity = (EntityBean) value;
                cmpCallback.setEntityContext(entity);
                cmpCallback.ejbActivate(entity);
            }
        }
        //noinspection unchecked

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            cmpCallback.ejbLoad((EntityBean) bean);
        }


        public void beforeStore(LifecycleEvent lifecycleEvent) {
            eventOccurred(lifecycleEvent);
            EntityBean bean = (EntityBean) lifecycleEvent.getSource();
            if (!creating.get().contains(bean)) {
                cmpCallback.ejbStore(bean);
            }
        }

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    }


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

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    private Object businessMethod(Method callMethod, Method runMethod, Object[] args, ThreadContext callContext, InterfaceType interfaceType) throws OpenEJBException {
        BeanContext beanContext = callContext.getBeanContext();


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


        EntityBean bean;
        Object returnValue = null;


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

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    private Object homeMethod(Method callMethod, Object[] args, ThreadContext callContext, InterfaceType interfaceType) throws OpenEJBException {
        BeanContext beanContext = callContext.getBeanContext();


        TransactionPolicy txPolicy = createTransactionPolicy(beanContext.getTransactionType(callMethod, interfaceType), 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);


                Method runMethod = beanContext.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, InterfaceType interfaceType) throws OpenEJBException {
        BeanContext beanContext = callContext.getBeanContext();


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


        EntityBean bean;
        Object primaryKey = null;


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

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        BeanContext beanContext = callContext.getBeanContext();


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


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

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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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