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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.paimon.flink.source;

import org.apache.flink.api.connector.source.SourceReader;

import java.util.Collections;
import java.util.List;
import java.util.concurrent.CompletableFuture;

/** Abstract {@link SourceReader} for {@link AbstractNonCoordinatedSource}. */
public abstract class AbstractNonCoordinatedSourceReader
        implements SourceReader {
    @Override
    public void start() {}

    @Override
    public List snapshotState(long l) {
        return Collections.emptyList();
    }

    @Override
    public CompletableFuture isAvailable() {
        return CompletableFuture.completedFuture(null);
    }

    @Override
    public void addSplits(List list) {}

    @Override
    public void notifyNoMoreSplits() {}

    @Override
    public void close() throws Exception {}
}