Example usage for org.hibernate.proxy HibernateProxy getHibernateLazyInitializer

List of usage examples for org.hibernate.proxy HibernateProxy getHibernateLazyInitializer

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Introduction

In this page you can find the example usage for org.hibernate.proxy HibernateProxy getHibernateLazyInitializer.

Prototype

public LazyInitializer getHibernateLazyInitializer();

Source Link

Document

Get the underlying lazy initialization handler.

Usage

From source file:org.brushingbits.jnap.common.bean.visitor.HibernateTypeResolver.java

License:Apache License

@Override
public Class<?> resolve(Object source, BeanPropertyFilter filter) {
    Class<?> type = null;/*from  w  ww.  ja  va 2s  .c  o m*/
    if (source instanceof HibernateProxy) {
        HibernateProxy proxy = (HibernateProxy) source;
        LazyInitializer lazyInitializer = proxy.getHibernateLazyInitializer();
        if (!lazyInitializer.isUninitialized() || !filter.isIgnoreUninitializedProxies()) {
            type = lazyInitializer.getImplementation().getClass();
        }
    } else if (source instanceof PersistentCollection) {
        PersistentCollection collection = (PersistentCollection) source;
        if (collection.wasInitialized() || !filter.isIgnoreUninitializedProxies()) {
            type = getUnderlyingCollectionType(collection.getClass());
        }
    } else {
        type = super.resolve(source, filter);
    }
    return type;
}

From source file:org.codehaus.groovy.grails.orm.hibernate.proxy.HibernateProxyHandler.java

License:Apache License

public Object unwrapProxy(final HibernateProxy proxy) {
    final LazyInitializer lazyInitializer = proxy.getHibernateLazyInitializer();
    if (lazyInitializer.isUninitialized()) {
        lazyInitializer.initialize();/*  w ww  . j av a  2  s .  c om*/
    }
    final Object obj = lazyInitializer.getImplementation();
    if (obj != null) {
        GrailsHibernateUtil.ensureCorrectGroovyMetaClass(obj, obj.getClass());
    }
    return obj;
}

From source file:org.codehaus.groovy.grails.orm.hibernate.proxy.SimpleHibernateProxyHandler.java

License:Apache License

public Object unwrapProxy(final HibernateProxy proxy) {
    final LazyInitializer lazyInitializer = proxy.getHibernateLazyInitializer();
    if (lazyInitializer.isUninitialized()) {
        lazyInitializer.initialize();// w  w w.  java  2s .  c om
    }
    final Object obj = lazyInitializer.getImplementation();
    if (obj != null) {
        ensureCorrectGroovyMetaClass(obj, obj.getClass());
    }
    return obj;
}

From source file:org.directwebremoting.hibernate.H3BeanConverter.java

License:Apache License

/**
 * Hibernate makes {@link Class#getClass()} difficult ...
 * @param example The class that we want to call {@link Class#getClass()} on
 * @return The type of the given object//from  ww  w . ja va  2  s .com
 */
public Class<?> getClass(Object example) {
    if (example instanceof HibernateProxy) {
        HibernateProxy proxy = (HibernateProxy) example;
        LazyInitializer initializer = proxy.getHibernateLazyInitializer();
        SessionImplementor implementor = initializer.getSession();

        if (initializer.isUninitialized()) {
            try {
                // getImplementation is going to want to talk to a session
                if (implementor.isClosed()) {
                    // Give up and return example.getClass();
                    return example.getClass();
                }
            } catch (NoSuchMethodError ex) {
                // We must be using Hibernate 3.0/3.1 which doesn't have
                // this method
            }
        }

        return initializer.getImplementation().getClass();
    } else {
        return example.getClass();
    }
}

From source file:org.directwebremoting.hibernate.H3PropertyDescriptorProperty.java

License:Apache License

@Override
public Object getValue(Object bean) throws ConversionException {
    if (!(bean instanceof HibernateProxy)) {
        // This is not a hibernate dynamic proxy, just use it
        return super.getValue(bean);
    } else {/*from  ww w . j  a  v  a 2s  .  c om*/
        // If the property is already initialized, use it
        boolean initialized = Hibernate.isPropertyInitialized(bean, descriptor.getName());
        if (initialized) {
            // This might be a lazy-collection so we need to double check
            Object reply = super.getValue(bean);
            initialized = Hibernate.isInitialized(reply);
        }

        if (initialized) {
            return super.getValue(bean);
        } else {
            // If the session bound to the property is live, use it
            HibernateProxy proxy = (HibernateProxy) bean;
            LazyInitializer initializer = proxy.getHibernateLazyInitializer();
            SessionImplementor implementor = initializer.getSession();
            if (implementor.isOpen()) {
                return super.getValue(bean);
            }

            // So the property needs database access, and the session is closed
            // We'll need to try get another session
            ServletContext context = WebContextFactory.get().getServletContext();
            Session session = H3SessionAjaxFilter.getCurrentSession(context);

            if (session != null) {
                session.update(bean);
                return super.getValue(bean);
            }

            return null;
        }
    }
}

From source file:org.directwebremoting.hibernate.H4PropertyDescriptorProperty.java

License:Apache License

@Override
public Object getValue(Object bean) throws ConversionException {
    if (!(bean instanceof HibernateProxy)) {
        // This is not a hibernate dynamic proxy, just use it
        return super.getValue(bean);
    } else {//from  w  w w . j  av  a2  s .co m
        // If the property is already initialized, use it
        boolean initialized = Hibernate.isPropertyInitialized(bean, descriptor.getName());
        if (initialized) {
            // This might be a lazy-collection so we need to double check
            Object reply = super.getValue(bean);
            initialized = Hibernate.isInitialized(reply);
        }

        if (initialized) {
            return super.getValue(bean);
        } else {
            // If the session bound to the property is live, use it
            HibernateProxy proxy = (HibernateProxy) bean;
            LazyInitializer initializer = proxy.getHibernateLazyInitializer();
            SessionImplementor implementor = initializer.getSession();
            if (implementor.isOpen()) {
                return super.getValue(bean);
            }

            // So the property needs database access, and the session is closed
            // We'll need to try get another session
            ServletContext context = WebContextFactory.get().getServletContext();
            Session session = H4SessionAjaxFilter.getCurrentSession(context);

            if (session != null) {
                session.update(bean);
                return super.getValue(bean);
            }

            return null;
        }
    }
}

From source file:org.egov.infra.web.support.json.adapter.HibernateProxyTypeAdapter.java

License:Open Source License

@SuppressWarnings({ "rawtypes", "unchecked" })
@Override//from  w  w  w.j  av a2 s  .  c  om
public void write(JsonWriter out, HibernateProxy value) throws IOException {
    if (value == null) {
        out.nullValue();
        return;
    }
    delegate.write(out, value.getHibernateLazyInitializer().getImplementation());
}

From source file:org.emonocot.model.marshall.json.hibernate.HibernateProxySerializer.java

License:Open Source License

/**
 * Helper method for finding value being proxied, if it is available
 * or if it is to be forced to be loaded.
 *//*from ww  w .  j  ava  2s.co  m*/
protected Object findProxied(HibernateProxy proxy) {
    LazyInitializer init = proxy.getHibernateLazyInitializer();
    if (!_forceLazyLoading && init.isUninitialized()) {
        return null;
    }
    return init.getImplementation();
}

From source file:org.gaia.dao.audit.AuditAccessor.java

License:Open Source License

/**
 *
 * @param proxy// ww  w .  j a va  2s  . c om
 * @return
 * @throws ClassNotFoundException
 */
public static Object loadLazyObject(HibernateProxy proxy) throws ClassNotFoundException {
    LazyInitializer init = proxy.getHibernateLazyInitializer();
    logger.debug(init.getEntityName() + StringUtils.SPACE + init.getIdentifier());
    return HibernateUtil.getObject(Class.forName(init.getEntityName()), init.getIdentifier());
}

From source file:org.geoserver.hibernate.AbstractHibFacade.java

License:Open Source License

protected Object first(final Query query, boolean doWarn) {
    query.setMaxResults(doWarn ? 2 : 1);
    query.setCacheable(true);//w ww .  j a va2 s.  c  o  m

    List<?> result = query.list();
    if (result.isEmpty()) {
        return null;
    } else {
        //TODO: add a flag to control exception
        if (result.size() > 1) {
            throw new RuntimeException("Expected 1 result from " + query + " but got " + result.size());

        }
        //            if (doWarn && result.size() > 1) {
        //                LOGGER.log(Level.WARNING, "Found too many items in result", new RuntimeException(
        //                        "Trace: Found too many items in query"));
        //            }

        Object ret = result.get(0);
        if (ret instanceof HibernateProxy) {
            HibernateProxy proxy = (HibernateProxy) ret;
            ret = proxy.getHibernateLazyInitializer().getImplementation();
        }

        if (LOGGER.isLoggable(Level.FINE)) {
            StringBuilder callerChain = new StringBuilder();
            for (StackTraceElement stackTraceElement : new Throwable().getStackTrace()) {
                if ("first".equals(stackTraceElement.getMethodName()))
                    continue;
                String cname = stackTraceElement.getClassName();
                if (cname.startsWith("org.spring"))
                    continue;
                cname = cname.substring(cname.lastIndexOf(".") + 1);
                callerChain.append(cname).append('.').append(stackTraceElement.getMethodName()).append(':')
                        .append(stackTraceElement.getLineNumber()).append(' ');
                // if(++num==10) break;
            }
            LOGGER.fine(
                    "FIRST -->" + ret.getClass().getSimpleName() + " --- " + ret + " { " + callerChain + "}");
        }
        return ret;
    }
}