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

Example 36 with InvalidStateStoreException

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

the class CompositeReadOnlyKeyValueStore method prefixScan.

@Override
public <PS extends Serializer<P>, P> KeyValueIterator<K, V> prefixScan(final P prefix, final PS prefixKeySerializer) {
    Objects.requireNonNull(prefix);
    Objects.requireNonNull(prefixKeySerializer);
    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.prefixScan(prefix, prefixKeySerializer);
            } 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));
}

Example 37 with InvalidStateStoreException

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

the class CompositeReadOnlyKeyValueStore method reverseAll.

@Override
public KeyValueIterator<K, V> reverseAll() {
    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.reverseAll();
            } 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));
}

Example 38 with InvalidStateStoreException

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

the class CompositeReadOnlyWindowStore method fetch.

@Override
public V fetch(final K key, final long time) {
    Objects.requireNonNull(key, "key can't be null");
    final List<ReadOnlyWindowStore<K, V>> stores = provider.stores(storeName, windowStoreType);
    for (final ReadOnlyWindowStore<K, V> windowStore : stores) {
        try {
            final V result = windowStore.fetch(key, time);
            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 39 with InvalidStateStoreException

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

the class CompositeReadOnlySessionStore method backwardFindSessions.

@Override
public KeyValueIterator<Windowed<K>, V> backwardFindSessions(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.backwardFindSessions(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 40 with InvalidStateStoreException

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

the class CompositeReadOnlySessionStore method fetchSession.

@Override
public V fetchSession(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 {
            return store.fetchSession(key, earliestSessionEndTime, latestSessionStartTime);
        } 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 null;
}