Package org.jboss.as.ejb3.component.entity

Examples of org.jboss.as.ejb3.component.entity.EntityBeanComponentInstance

82
83
84
85
86
87
88
89
90
91
92
        return new Interceptor() {
            @Override
            public Object processInvocation(final InterceptorContext context) throws Exception {

                //grab a bean from the pool to invoke the finder method on
                final EntityBeanComponentInstance instance = component.acquireUnAssociatedInstance();
                final Object result;
                final InvocationType invocationType = context.getPrivateData(InvocationType.class);
                try {
                    context.putPrivateData(InvocationType.class, InvocationType.FINDER_METHOD);
                    result = invokeFind(context, instance);
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
    private final OwnableReentrantLock lock = new OwnableReentrantLock();

    @Override
    public Object processInvocation(InterceptorContext context) throws Exception {
        final EntityBeanComponent component = getComponent(context, EntityBeanComponent.class);
        final EntityBeanComponentInstance instance = (EntityBeanComponentInstance) context.getPrivateData(ComponentInstance.class);

        //we do not synchronize for instances that are not associated with an identity
        if (instance.getPrimaryKey() == null) {
            return context.proceed();
        }

        final TransactionSynchronizationRegistry transactionSynchronizationRegistry = component.getTransactionSynchronizationRegistry();
        if (ROOT_LOGGER.isTraceEnabled()) {
            ROOT_LOGGER.trace("Trying to acquire lock: " + lock + " for entity bean " + instance + " during invocation: " + context);
        }
        // we obtain a lock in this synchronization interceptor because the lock needs to be tied to the synchronization
        // so that it can released on the tx synchronization callbacks
        final Object lockOwner = getLockOwner(transactionSynchronizationRegistry);
        lock.pushOwner(lockOwner);
        try {
            lock.lock();
            boolean syncRegistered = false;
            synchronized (lock) {
                if (ROOT_LOGGER.isTraceEnabled()) {
                    ROOT_LOGGER.trace("Acquired lock: " + lock + " for entity bean instance: " + instance + " during invocation: " + context);
                }

                if (context.getPrivateData(InternalInvocationMarker.class) == null) {
                    if (instance.isRemoved() || instance.isDiscarded()) {
                        final Object primaryKey = context.getPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY);
                        component.getCache().release(instance, true);
                        lock.unlock();
                        throw MESSAGES.instanceWasRemoved(component.getComponentName(), primaryKey);
                    }
                }

                Object currentTransactionKey = null;
                try {
                    // get the key to current transaction associated with this thread
                    currentTransactionKey = transactionSynchronizationRegistry.getTransactionKey();
                    if (!instance.isSynchronizeRegistered()) {
                        // if this entity instance is already associated with a different transaction, then it's an error

                        // if the thread is currently associated with a tx, then register a tx synchronization
                        if (currentTransactionKey != null) {
                            // register a tx synchronization for this entity instance
                            final Synchronization entitySynchronization = new EntityBeanSynchronization(instance, lockOwner);
                            transactionSynchronizationRegistry.registerInterposedSynchronization(entitySynchronization);
                            syncRegistered = true;
                            if (ROOT_LOGGER.isTraceEnabled()) {
                                ROOT_LOGGER.trace("Registered tx synchronization: " + entitySynchronization + " for tx: " + currentTransactionKey +
                                        " associated with stateful component instance: " + instance);
                            }
                        }
                        instance.setSynchronizationRegistered(true);
                    }
                    // proceed with the invocation
                    return context.proceed();

                } finally {
                    // if the current call did *not* register a tx SessionSynchronization, then we have to explicitly mark the
                    // entity instance as "no longer in use". If it registered a tx EntityBeanSynchronization, then releasing the lock is
                    // taken care off by a tx synchronization callbacks.
                    //if is important to note that we increase the lock count on every invocation
                    //which means we need to release it on every invocation except for the one where we actually registered the TX synchronization
                    if (currentTransactionKey == null) {
                        instance.store();
                        releaseInstance(instance, true);
                    } else if (!syncRegistered) {
                        component.getCache().release(instance, true);
                        lock.unlock();
                    }
View Full Code Here
62
63
64
65
66
67
68
69
70
71
72
        return cacheEntry;
    }

    public synchronized EntityBeanComponentInstance get(final Object key) throws NoSuchEntityException {
        if (!cache.containsKey(key)) {
            final EntityBeanComponentInstance instance = createInstance(key);
            realCreate(instance);
        }
        final CacheEntry cacheEntry = cache.get(key);
        cacheEntry.referenceCount.incrementAndGet();
        if (cacheEntry.replacedInstance != null) {
View Full Code Here
137
138
139
140
141
142
143
144
145
    public void stop() {
    }

    private EntityBeanComponentInstance createInstance(final Object pk) {
        final EntityBeanComponentInstance instance = component.acquireUnAssociatedInstance();
        instance.associate(pk);
        return instance;
    }
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
            return createInstance(key);
        }

        final Map<Object, CacheEntry> cache = prepareCache();
        if (!cache.containsKey(key)) {
            final EntityBeanComponentInstance instance = createInstance(key);
            realCreate(instance, false);
        }
        final CacheEntry cacheEntry = cache.get(key);
        cacheEntry.referenceCount.incrementAndGet();
        return cacheEntry.instance;
View Full Code Here
176
177
178
179
180
181
182
183
184
        });
        return map;
    }

    private EntityBeanComponentInstance createInstance(Object pk) {
        final EntityBeanComponentInstance instance = component.acquireUnAssociatedInstance();
        instance.associate(pk);
        return instance;
    }
View Full Code Here
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
                if (!(component instanceof EntityBeanComponent)) {
                    throw MESSAGES.unexpectedComponent(component, EntityBeanComponent.class);
                }
                final EntityBeanComponent entityBeanComponent = (EntityBeanComponent) component;
                //grab an unasociated entity bean from the pool
                final EntityBeanComponentInstance instance = entityBeanComponent.getPool().get();

                //call the ejbCreate method
                final Object primaryKey = invokeEjbCreate(context, ejbCreate, instance, params);
                instance.associate(primaryKey);
                primaryKeyReference.set(primaryKey);

                //now add the instance to the cache, so it is usable
                //note that we do not release it back to the pool
                //the cache will do that when it is expired or removed
View Full Code Here
81
82
83
84
85
86
87
88
89
90
91
        return new Interceptor() {
            @Override
            public Object processInvocation(final InterceptorContext context) throws Exception {

                //grab a bean from the pool to invoke the finder method on
                final EntityBeanComponentInstance instance = component.getPool().get();
                final Object result;
                try {
                    result = invokeFind(context, instance);
                    return prepareResults(context, result, component);
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
    private final OwnableReentrantLock lock = new OwnableReentrantLock();

    @Override
    public Object processInvocation(InterceptorContext context) throws Exception {
        final EntityBeanComponent component = getComponent(context, EntityBeanComponent.class);
        final EntityBeanComponentInstance instance = (EntityBeanComponentInstance) context.getPrivateData(ComponentInstance.class);

        //we do not synchronize for instances that are not associated with an identity
        if (instance.getPrimaryKey() == null) {
            return context.proceed();
        }

        final TransactionSynchronizationRegistry transactionSynchronizationRegistry = component.getTransactionSynchronizationRegistry();
        if (ROOT_LOGGER.isTraceEnabled()) {
            ROOT_LOGGER.trace("Trying to acquire lock: " + lock + " for entity bean " + instance + " during invocation: " + context);
        }
        // we obtain a lock in this synchronization interceptor because the lock needs to be tied to the synchronization
        // so that it can released on the tx synchronization callbacks
        final Object lockOwner = getLockOwner(transactionSynchronizationRegistry);
        lock.pushOwner(lockOwner);
        try {
            lock.lock();
            boolean syncRegistered = false;
            synchronized (lock) {
                if (ROOT_LOGGER.isTraceEnabled()) {
                    ROOT_LOGGER.trace("Acquired lock: " + lock + " for entity bean instance: " + instance + " during invocation: " + context);
                }

                //we need to check again
                if (instance.isRemoved() || instance.isDiscarded()) {
                    final Object primaryKey = context.getPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY);
                    throw MESSAGES.instaceWasRemoved(component.getComponentName(), primaryKey);
                }
                Object currentTransactionKey = null;
                try {
                    // get the key to current transaction associated with this thread
                    currentTransactionKey = transactionSynchronizationRegistry.getTransactionKey();
                    if (!instance.isSynchronizeRegistered()) {
                        component.getCache().reference(instance);
                        // if this entity instance is already associated with a different transaction, then it's an error

                        // if the thread is currently associated with a tx, then register a tx synchronization
                        if (currentTransactionKey != null) {
                            // register a tx synchronization for this entity instance
                            final Synchronization entitySynchronization = new EntityBeanSynchronization(instance, lockOwner);
                            transactionSynchronizationRegistry.registerInterposedSynchronization(entitySynchronization);
                            syncRegistered = true;
                            if (ROOT_LOGGER.isTraceEnabled()) {
                                ROOT_LOGGER.trace("Registered tx synchronization: " + entitySynchronization + " for tx: " + currentTransactionKey +
                                        " associated with stateful component instance: " + instance);
                            }
                        }
                        instance.setSynchronizationRegistered(true);
                    }
                    // proceed with the invocation
                    return context.proceed();

                } finally {
                    // if the current call did *not* register a tx SessionSynchronization, then we have to explicitly mark the
                    // entity instance as "no longer in use". If it registered a tx EntityBeanSynchronization, then releasing the lock is
                    // taken care off by a tx synchronization callbacks.
                    //if is important to note that we increase the lock count on every invocation
                    //which means we need to release it on every invocation except for the one where we actually registered the TX synchronization
                    if (currentTransactionKey == null) {
                        instance.store();
                        releaseInstance(instance, true);
                    } else if (!syncRegistered) {
                        lock.unlock();
                    }
                }
View Full Code Here
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
                final Object primaryKey = context.getPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY);
                if (primaryKey == null) {
                    throw MESSAGES.primaryKeyIsNull();
                }
                final EntityBeanComponentInstance instance;
                try {
                    instance = component.getCache().get(primaryKey);

                    if (instance.isRemoved()) {
                        throw MESSAGES.instaceWasRemoved(component.getComponentName(), primaryKey);
                    }
                } catch (javax.ejb.NoSuchEntityException e) {
                    //if this is a timer service invocation we throw a special exception
                    //that tells the invoker that this timer no longer exists, and can be removed
                    if (context.getPrivateData(TimerInvocationMarker.class) != null) {
                        throw new BeanRemovedException(e);
                    }
                    throw e;
                }

                try {
                    context.putPrivateData(ComponentInstance.class, instance);
                    return context.proceed();
                } catch (Exception ex) {
                    // Detect app exception
                    if (component.getApplicationException(ex.getClass(), context.getMethod()) != null) {
                        // it's an application exception, just throw it back.
                        throw ex;
                    }
                    if (ex instanceof ConcurrentAccessTimeoutException || ex instanceof ConcurrentAccessException) {
                        throw ex;
                    }
                    if (ex instanceof RuntimeException || ex instanceof RemoteException) {
                        if (ROOT_LOGGER.isTraceEnabled())
                            ROOT_LOGGER.trace("Discarding bean " + primaryKey + " because of exception", ex);
                        instance.discard();
                    }
                    throw ex;
                } catch (final Error e) {
                    if (ROOT_LOGGER.isTraceEnabled())
                        ROOT_LOGGER.trace("Discarding bean " + primaryKey + " because of error", e);
                    instance.discard();
                    throw e;
                } catch (final Throwable t) {
                    if (ROOT_LOGGER.isTraceEnabled())
                        ROOT_LOGGER.trace("Discarding bean " + primaryKey + " because of Throwable", t);
                    instance.discard();
                    throw new RuntimeException(t);
                } finally {
                    // the StatefulSessionSynchronizationInterceptor will take care of releasing
                    context.putPrivateData(ComponentInstance.class, null);
                }
View Full Code Here
TOP

Related Classes of org.jboss.as.ejb3.component.entity.EntityBeanComponentInstance

  • com.arjuna.ats.internal.jta.transaction.arjunacore.jca.SubordinateTransaction
  • org.jboss.as.cmp.jdbc.JDBCCustomFinderQuery
  • org.jboss.as.controller.PathAddress
  • org.jboss.as.ee.component.ComponentConfigurator
  • org.jboss.as.ee.component.ComponentView
  • org.jboss.as.ee.component.EEModuleClassDescription
  • org.jboss.as.ee.component.EEModuleDescription
  • org.jboss.as.ee.component.interceptors.InvocationType
  • org.jboss.as.ee.component.ViewConfigurator
  • org.jboss.as.ejb3.component.DefaultAccessTimeoutService
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.