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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.kafka.streams.state.internals;
import org.apache.kafka.common.utils.Bytes;
import org.apache.kafka.streams.kstream.Windowed;
import org.apache.kafka.streams.state.KeyValueIterator;
import org.apache.kafka.streams.state.SessionStore;
public class RocksDBSessionStore
extends WrappedStateStore
implements SessionStore {
RocksDBSessionStore(final SegmentedBytesStore bytesStore) {
super(bytesStore);
}
@Override
public KeyValueIterator, byte[]> findSessions(final Bytes key,
final long earliestSessionEndTime,
final long latestSessionStartTime) {
final KeyValueIterator bytesIterator = wrapped().fetch(
key,
earliestSessionEndTime,
latestSessionStartTime
);
return new WrappedSessionStoreIterator(bytesIterator);
}
@Override
public KeyValueIterator, byte[]> backwardFindSessions(final Bytes key,
final long earliestSessionEndTime,
final long latestSessionStartTime) {
final KeyValueIterator bytesIterator = wrapped().backwardFetch(
key,
earliestSessionEndTime,
latestSessionStartTime
);
return new WrappedSessionStoreIterator(bytesIterator);
}
@Override
public KeyValueIterator, byte[]> findSessions(final Bytes keyFrom,
final Bytes keyTo,
final long earliestSessionEndTime,
final long latestSessionStartTime) {
final KeyValueIterator bytesIterator = wrapped().fetch(
keyFrom,
keyTo,
earliestSessionEndTime,
latestSessionStartTime
);
return new WrappedSessionStoreIterator(bytesIterator);
}
@Override
public KeyValueIterator, byte[]> backwardFindSessions(final Bytes keyFrom,
final Bytes keyTo,
final long earliestSessionEndTime,
final long latestSessionStartTime) {
final KeyValueIterator bytesIterator = wrapped().backwardFetch(
keyFrom,
keyTo,
earliestSessionEndTime,
latestSessionStartTime
);
return new WrappedSessionStoreIterator(bytesIterator);
}
@Override
public byte[] fetchSession(final Bytes key, final long startTime, final long endTime) {
return wrapped().get(SessionKeySchema.toBinary(key, startTime, endTime));
}
@Override
public KeyValueIterator, byte[]> fetch(final Bytes key) {
return findSessions(key, 0, Long.MAX_VALUE);
}
@Override
public KeyValueIterator, byte[]> backwardFetch(final Bytes key) {
return backwardFindSessions(key, 0, Long.MAX_VALUE);
}
@Override
public KeyValueIterator, byte[]> fetch(final Bytes from, final Bytes to) {
return findSessions(from, to, 0, Long.MAX_VALUE);
}
@Override
public KeyValueIterator, byte[]> backwardFetch(final Bytes from, final Bytes to) {
return backwardFindSessions(from, to, 0, Long.MAX_VALUE);
}
@Override
public void remove(final Windowed key) {
wrapped().remove(SessionKeySchema.toBinary(key));
}
@Override
public void put(final Windowed sessionKey, final byte[] aggregate) {
wrapped().put(SessionKeySchema.toBinary(sessionKey), aggregate);
}
}
