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[FLINK-10043] [State Backends] Refactor RocksDBKeyedStateBackend obje…
…ct construction/initialization/restore code This closes apache#7674.
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67 changes: 67 additions & 0 deletions
67
...untime/src/main/java/org/apache/flink/runtime/state/AbstractKeyedStateBackendBuilder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
|
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| package org.apache.flink.runtime.state; | ||
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| import org.apache.flink.api.common.ExecutionConfig; | ||
| import org.apache.flink.api.common.typeutils.TypeSerializer; | ||
| import org.apache.flink.runtime.query.TaskKvStateRegistry; | ||
| import org.apache.flink.runtime.state.ttl.TtlTimeProvider; | ||
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| import javax.annotation.Nonnull; | ||
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| import java.util.Collection; | ||
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| /** | ||
| * An abstract base implementation of the {@link StateBackendBuilder} interface. | ||
| */ | ||
| public abstract class AbstractKeyedStateBackendBuilder<K> | ||
| implements StateBackendBuilder<AbstractKeyedStateBackend, BackendBuildingException> { | ||
| protected final TaskKvStateRegistry kvStateRegistry; | ||
| protected final TypeSerializer<K> keySerializer; | ||
| protected final StateSerializerProvider<K> keySerializerProvider; | ||
| protected final ClassLoader userCodeClassLoader; | ||
| protected final int numberOfKeyGroups; | ||
| protected final KeyGroupRange keyGroupRange; | ||
| protected final ExecutionConfig executionConfig; | ||
| protected final TtlTimeProvider ttlTimeProvider; | ||
| protected final StreamCompressionDecorator keyGroupCompressionDecorator; | ||
| protected final Collection<KeyedStateHandle> restoreStateHandles; | ||
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| public AbstractKeyedStateBackendBuilder( | ||
| TaskKvStateRegistry kvStateRegistry, | ||
| TypeSerializer<K> keySerializer, | ||
| ClassLoader userCodeClassLoader, | ||
| int numberOfKeyGroups, | ||
| KeyGroupRange keyGroupRange, | ||
| ExecutionConfig executionConfig, | ||
| TtlTimeProvider ttlTimeProvider, | ||
| @Nonnull Collection<KeyedStateHandle> stateHandles, | ||
| StreamCompressionDecorator keyGroupCompressionDecorator) { | ||
| this.kvStateRegistry = kvStateRegistry; | ||
| this.keySerializer = keySerializer; | ||
| this.keySerializerProvider = StateSerializerProvider.fromNewRegisteredSerializer(keySerializer); | ||
| this.userCodeClassLoader = userCodeClassLoader; | ||
| this.numberOfKeyGroups = numberOfKeyGroups; | ||
| this.keyGroupRange = keyGroupRange; | ||
| this.executionConfig = executionConfig; | ||
| this.ttlTimeProvider = ttlTimeProvider; | ||
| this.keyGroupCompressionDecorator = keyGroupCompressionDecorator; | ||
| this.restoreStateHandles = stateHandles; | ||
| } | ||
| } |
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30 changes: 30 additions & 0 deletions
30
flink-runtime/src/main/java/org/apache/flink/runtime/state/BackendBuildingException.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * 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 | ||
| * | ||
| * https://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. | ||
| */ | ||
|
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| package org.apache.flink.runtime.state; | ||
|
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| import java.io.IOException; | ||
|
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| /** | ||
| * Exceptions which indicate that a state backend building has failed. | ||
| */ | ||
| public class BackendBuildingException extends IOException { | ||
| public BackendBuildingException(String message, Throwable cause) { | ||
| super(message, cause); | ||
| } | ||
| } |
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