Examples with InvalidStateStoreException org.apache.kafka.streams.errors.InvalidStateStoreException used on opensource projects

Example 6 with InvalidStateStoreException

use of org.apache.kafka.streams.errors.InvalidStateStoreException in project kafka by apache.

the class CompositeReadOnlySessionStore method fetch.

@Override
public KeyValueIterator<Windowed<K>, V> fetch(final K key) {
    Objects.requireNonNull(key, "key can't be null");
    final List<ReadOnlySessionStore<K, V>> stores = storeProvider.stores(storeName, queryableStoreType);
    for (final ReadOnlySessionStore<K, V> store : stores) {
        try {
            final KeyValueIterator<Windowed<K>, V> result = store.fetch(key);
            if (!result.hasNext()) {
                result.close();
            } else {
                return result;
            }
        } catch (final InvalidStateStoreException ise) {
            throw new InvalidStateStoreException("State store  [" + storeName + "] is not available anymore" + " and may have been migrated to another instance; " + "please re-discover its location from the state metadata. " + "Original error message: " + ise.toString());
        }
    }
    return KeyValueIterators.emptyIterator();
}

Example 7 with InvalidStateStoreException

use of org.apache.kafka.streams.errors.InvalidStateStoreException in project kafka by apache.

the class CompositeReadOnlySessionStore method findSessions.

@Override
public KeyValueIterator<Windowed<K>, V> findSessions(final K key, final long earliestSessionEndTime, final long latestSessionStartTime) {
    Objects.requireNonNull(key, "key can't be null");
    final List<ReadOnlySessionStore<K, V>> stores = storeProvider.stores(storeName, queryableStoreType);
    for (final ReadOnlySessionStore<K, V> store : stores) {
        try {
            final KeyValueIterator<Windowed<K>, V> result = store.findSessions(key, earliestSessionEndTime, latestSessionStartTime);
            if (!result.hasNext()) {
                result.close();
            } else {
                return result;
            }
        } catch (final InvalidStateStoreException ise) {
            throw new InvalidStateStoreException("State store  [" + storeName + "] is not available anymore" + " and may have been migrated to another instance; " + "please re-discover its location from the state metadata.", ise);
        }
    }
    return KeyValueIterators.emptyIterator();
}

Example 8 with InvalidStateStoreException

use of org.apache.kafka.streams.errors.InvalidStateStoreException in project kafka by apache.

the class CompositeReadOnlySessionStore method backwardFetch.

@Override
public KeyValueIterator<Windowed<K>, V> backwardFetch(final K key) {
    Objects.requireNonNull(key, "key can't be null");
    final List<ReadOnlySessionStore<K, V>> stores = storeProvider.stores(storeName, queryableStoreType);
    for (final ReadOnlySessionStore<K, V> store : stores) {
        try {
            final KeyValueIterator<Windowed<K>, V> result = store.backwardFetch(key);
            if (!result.hasNext()) {
                result.close();
            } else {
                return result;
            }
        } catch (final InvalidStateStoreException ise) {
            throw new InvalidStateStoreException("State store  [" + storeName + "] is not available anymore" + " and may have been migrated to another instance; " + "please re-discover its location from the state metadata.", ise);
        }
    }
    return KeyValueIterators.emptyIterator();
}

Example 9 with InvalidStateStoreException

use of org.apache.kafka.streams.errors.InvalidStateStoreException in project kafka by apache.

the class CompositeReadOnlyKeyValueStore method get.

@Override
public V get(final K key) {
    Objects.requireNonNull(key);
    final List<ReadOnlyKeyValueStore<K, V>> stores = storeProvider.stores(storeName, storeType);
    for (final ReadOnlyKeyValueStore<K, V> store : stores) {
        try {
            final V result = store.get(key);
            if (result != null) {
                return result;
            }
        } catch (final InvalidStateStoreException e) {
            throw new InvalidStateStoreException("State store is not available anymore and may have been migrated to another instance; please re-discover its location from the state metadata.");
        }
    }
    return null;
}

Example 10 with InvalidStateStoreException

use of org.apache.kafka.streams.errors.InvalidStateStoreException in project kafka by apache.

the class CompositeReadOnlyKeyValueStore method reverseRange.

@Override
public KeyValueIterator<K, V> reverseRange(final K from, final K to) {
    final NextIteratorFunction<K, V, ReadOnlyKeyValueStore<K, V>> nextIteratorFunction = new NextIteratorFunction<K, V, ReadOnlyKeyValueStore<K, V>>() {

        @Override
        public KeyValueIterator<K, V> apply(final ReadOnlyKeyValueStore<K, V> store) {
            try {
                return store.reverseRange(from, to);
            } catch (final InvalidStateStoreException e) {
                throw new InvalidStateStoreException("State store is not available anymore and may have been migrated to another instance; please re-discover its location from the state metadata.");
            }
        }
    };
    final List<ReadOnlyKeyValueStore<K, V>> stores = storeProvider.stores(storeName, storeType);
    return new DelegatingPeekingKeyValueIterator<>(storeName, new CompositeKeyValueIterator<>(stores.iterator(), nextIteratorFunction));
}