Examples with CacheLoaderException javax.cache.integration.CacheLoaderException used on opensource projects

Example 26 with CacheLoaderException

use of javax.cache.integration.CacheLoaderException in project ignite by apache.

the class CacheHibernatePersonStore method load.

/**
 * {@inheritDoc}
 */
@Override
public Person load(Long key) {
    System.out.println(">>> Store load [key=" + key + ']');
    Session hibSes = ses.attachment();
    try {
        return (Person) hibSes.get(Person.class, key);
    } catch (HibernateException e) {
        throw new CacheLoaderException("Failed to load value from cache store [key=" + key + ']', e);
    }
}

Example 27 with CacheLoaderException

use of javax.cache.integration.CacheLoaderException in project ignite by apache.

the class CacheHibernatePersonStore method loadCache.

/**
 * {@inheritDoc}
 */
@Override
public void loadCache(IgniteBiInClosure<Long, Person> clo, Object... args) {
    if (args == null || args.length == 0 || args[0] == null)
        throw new CacheLoaderException("Expected entry count parameter is not provided.");
    final int entryCnt = (Integer) args[0];
    Session hibSes = ses.attachment();
    try {
        int cnt = 0;
        List list = hibSes.createCriteria(Person.class).setMaxResults(entryCnt).list();
        if (list != null) {
            for (Object obj : list) {
                Person person = (Person) obj;
                clo.apply(person.id, person);
                cnt++;
            }
        }
        System.out.println(">>> Loaded " + cnt + " values into cache.");
    } catch (HibernateException e) {
        throw new CacheLoaderException("Failed to load values from cache store.", e);
    }
}

Example 28 with CacheLoaderException

use of javax.cache.integration.CacheLoaderException in project ignite by apache.

the class CacheAbstractJdbcStore method load.

/**
 * {@inheritDoc}
 */
@Nullable
@Override
public V load(K key) throws CacheLoaderException {
    assert key != null;
    EntryMapping em = entryMapping(session().cacheName(), typeIdForObject(key));
    if (log.isDebugEnabled())
        log.debug("Load value from db [table= " + em.fullTableName() + ", key=" + key + ']');
    Connection conn = null;
    PreparedStatement stmt = null;
    try {
        conn = connection();
        stmt = conn.prepareStatement(em.loadQrySingle);
        fillKeyParameters(stmt, em, key);
        ResultSet rs = stmt.executeQuery();
        if (rs.next())
            return buildObject(em.cacheName, em.valueType(), em.valueKind(), em.valueColumns(), em.loadColIdxs, rs);
    } catch (SQLException e) {
        throw new CacheLoaderException("Failed to load object [table=" + em.fullTableName() + ", key=" + key + "]", e);
    } finally {
        end(conn, stmt);
    }
    return null;
}

Example 29 with CacheLoaderException

use of javax.cache.integration.CacheLoaderException in project ignite by apache.

the class CacheJdbcPojoStore method extractPojoParameter.

/**
 * Get field value from POJO for use as query parameter.
 *
 * @param cacheName Cache name.
 * @param typeName Type name.
 * @param fldName Field name.
 * @param obj Cache object.
 * @return Field value from object.
 * @throws CacheException in case of error.
 */
@Nullable
private Object extractPojoParameter(@Nullable String cacheName, String typeName, String fldName, Object obj) throws CacheException {
    try {
        Map<String, PojoPropertiesCache> cacheProps = pojosProps.get(cacheName);
        if (cacheProps == null)
            throw new CacheException("Failed to find POJO type metadata for cache: " + U.maskName(cacheName));
        PojoPropertiesCache ppc = cacheProps.get(typeName);
        if (ppc == null)
            throw new CacheException("Failed to find POJO type metadata for type: " + typeName);
        ClassProperty prop = ppc.props.get(fldName);
        if (prop == null)
            throw new CacheLoaderException("Failed to find property in POJO class [class=" + typeName + ", prop=" + fldName + "]");
        return prop.get(obj);
    } catch (Exception e) {
        throw new CacheException("Failed to read object property [cache=" + U.maskName(cacheName) + ", type=" + typeName + ", prop=" + fldName + "]", e);
    }
}

Example 30 with CacheLoaderException

use of javax.cache.integration.CacheLoaderException in project ignite by apache.

the class CacheStoreBalancingWrapper method loadAll.

/**
 * @param keys Keys to load.
 * @param c Closure for loaded values.
 */
public void loadAll(Collection<? extends K> keys, final IgniteBiInClosure<K, V> c) {
    assert keys.size() <= loadAllThreshold : loadAllThreshold;
    Collection<K> needLoad = null;
    Map<K, LoadFuture> pending = null;
    LoadFuture span = null;
    for (K key : keys) {
        LoadFuture fut = pendingLoads.get(key);
        if (fut != null) {
            if (pending == null)
                pending = new HashMap<>();
            pending.put(key, fut);
        } else {
            // Try to concurrently add pending future.
            if (span == null)
                span = new LoadFuture();
            LoadFuture old = pendingLoads.putIfAbsent(key, span);
            if (old != null) {
                if (pending == null)
                    pending = new HashMap<>();
                pending.put(key, old);
            } else {
                if (needLoad == null)
                    needLoad = new ArrayList<>(keys.size());
                needLoad.add(key);
            }
        }
    }
    if (needLoad != null) {
        assert !needLoad.isEmpty();
        assert span != null;
        try {
            Map<K, V> loaded = delegate.loadAll(needLoad);
            if (loaded != null) {
                for (Map.Entry<K, V> e : loaded.entrySet()) c.apply(e.getKey(), e.getValue());
            }
            span.onComplete(needLoad, loaded);
        } catch (Throwable e) {
            span.onError(needLoad, e);
            if (e instanceof Error)
                throw e;
            throw e;
        }
    }
    if (pending != null) {
        try {
            for (Map.Entry<K, LoadFuture> e : pending.entrySet()) {
                K key = e.getKey();
                c.apply(key, e.getValue().get(key));
            }
        } catch (IgniteCheckedException e) {
            throw new CacheLoaderException(e);
        }
    }
}