kafka ReadOnlyTask 源码
kafka ReadOnlyTask 代码
文件路径:/streams/src/main/java/org/apache/kafka/streams/processor/internals/ReadOnlyTask.java
/*
* 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.processor.internals;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.OffsetAndMetadata;
import org.apache.kafka.common.TopicPartition;
import org.apache.kafka.streams.processor.StateStore;
import org.apache.kafka.streams.processor.TaskId;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.function.Consumer;
public class ReadOnlyTask implements Task {
private final Task task;
public ReadOnlyTask(final Task task) {
this.task = task;
}
@Override
public TaskId id() {
return task.id();
}
@Override
public boolean isActive() {
return task.isActive();
}
@Override
public Set<TopicPartition> inputPartitions() {
return task.inputPartitions();
}
@Override
public Set<TopicPartition> changelogPartitions() {
return task.changelogPartitions();
}
@Override
public State state() {
return task.state();
}
@Override
public boolean commitRequested() {
return task.commitRequested();
}
@Override
public boolean needsInitializationOrRestoration() {
return task.needsInitializationOrRestoration();
}
@Override
public void initializeIfNeeded() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void addPartitionsForOffsetReset(final Set<TopicPartition> partitionsForOffsetReset) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void completeRestoration(final Consumer<Set<TopicPartition>> offsetResetter) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void suspend() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void resume() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void closeDirty() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void closeClean() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void updateInputPartitions(final Set<TopicPartition> topicPartitions,
final Map<String, List<String>> allTopologyNodesToSourceTopics) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void maybeCheckpoint(final boolean enforceCheckpoint) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void markChangelogAsCorrupted(final Collection<TopicPartition> partitions) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void revive() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void prepareRecycle() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void addRecords(final TopicPartition partition, final Iterable<ConsumerRecord<byte[], byte[]>> records) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public boolean process(final long wallClockTime) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void recordProcessBatchTime(final long processBatchTime) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void recordProcessTimeRatioAndBufferSize(final long allTaskProcessMs, final long now) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public boolean maybePunctuateStreamTime() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public boolean maybePunctuateSystemTime() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public Map<TopicPartition, OffsetAndMetadata> prepareCommit() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void postCommit(final boolean enforceCheckpoint) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public Map<TopicPartition, Long> purgeableOffsets() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void maybeInitTaskTimeoutOrThrow(final long currentWallClockMs, final Exception cause) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public void clearTaskTimeout() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public boolean commitNeeded() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public StateStore getStore(final String name) {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public Map<TopicPartition, Long> changelogOffsets() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public Map<TopicPartition, Long> committedOffsets() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public Map<TopicPartition, Long> highWaterMark() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public Optional<Long> timeCurrentIdlingStarted() {
throw new UnsupportedOperationException("This task is read-only");
}
@Override
public ProcessorStateManager stateManager() {
throw new UnsupportedOperationException("This task is read-only");
}
}
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