/*
* 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.MockTime;
import org.apache.kafka.streams.processor.StateStore;
import org.apache.kafka.streams.processor.internals.ProcessorStateManager;
import org.apache.kafka.streams.state.KeyValueStore;
import org.apache.kafka.streams.state.StateSerdes;
import org.apache.kafka.test.MockProcessorContext;
import org.apache.kafka.test.NoOpRecordCollector;
import java.util.Collections;
@SuppressWarnings("unchecked")
public class StateStoreTestUtils {
public static <K, V> KeyValueStore<K, V> newKeyValueStore(final String name,
final String applicationId,
final Class<K> keyType,
final Class<V> valueType) {
final InMemoryKeyValueStoreSupplier<K, V> supplier = new InMemoryKeyValueStoreSupplier<>(name,
null,
null,
new MockTime(),
false,
Collections.<String, String>emptyMap());
final StateStore stateStore = supplier.get();
stateStore.init(
new MockProcessorContext(
StateSerdes.withBuiltinTypes(
ProcessorStateManager.storeChangelogTopic(applicationId, name),
keyType,
valueType),
new NoOpRecordCollector()),
stateStore);
return (KeyValueStore<K, V>) stateStore;
}
}