org.apache.kafka.connect.storage.MemoryStatusBackingStore Maven / Gradle / Ivy
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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.connect.storage;
import org.apache.kafka.connect.runtime.ConnectorStatus;
import org.apache.kafka.connect.runtime.TaskStatus;
import org.apache.kafka.connect.runtime.WorkerConfig;
import org.apache.kafka.connect.util.ConnectorTaskId;
import org.apache.kafka.connect.util.Table;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class MemoryStatusBackingStore implements StatusBackingStore {
private final Table tasks;
private final Map connectors;
public MemoryStatusBackingStore() {
this.tasks = new Table<>();
this.connectors = new HashMap<>();
}
@Override
public void configure(WorkerConfig config) {
}
@Override
public void start() {
}
@Override
public void stop() {
}
@Override
public synchronized void put(ConnectorStatus status) {
if (status.state() == ConnectorStatus.State.DESTROYED)
connectors.remove(status.id());
else
connectors.put(status.id(), status);
}
@Override
public synchronized void putSafe(ConnectorStatus status) {
put(status);
}
@Override
public synchronized void put(TaskStatus status) {
if (status.state() == TaskStatus.State.DESTROYED)
tasks.remove(status.id().connector(), status.id().task());
else
tasks.put(status.id().connector(), status.id().task(), status);
}
@Override
public synchronized void putSafe(TaskStatus status) {
put(status);
}
@Override
public synchronized TaskStatus get(ConnectorTaskId id) {
return tasks.get(id.connector(), id.task());
}
@Override
public synchronized ConnectorStatus get(String connector) {
return connectors.get(connector);
}
@Override
public synchronized Collection getAll(String connector) {
return new HashSet<>(tasks.row(connector).values());
}
@Override
public synchronized Set connectors() {
return new HashSet<>(connectors.keySet());
}
@Override
public void flush() {
}
}