/*
 * 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.flink.connector.file.sink.utils;

import org.apache.flink.streaming.api.functions.sink.filesystem.PartFileInfo;
import org.apache.flink.streaming.api.functions.sink.filesystem.RollingPolicy;

import java.io.IOException;

/** Testing {@link RollingPolicy} that rolls in consideration of the file size and checkpoint. */
public class PartSizeAndCheckpointRollingPolicy<IN, BucketID>
        implements RollingPolicy<IN, BucketID> {

    private final long maxPartSize;

    private final boolean rollingOnCheckpoint;

    public PartSizeAndCheckpointRollingPolicy(long maxPartSize, boolean rollingOnCheckpoint) {
        this.maxPartSize = maxPartSize;
        this.rollingOnCheckpoint = rollingOnCheckpoint;
    }

    @Override
    public boolean shouldRollOnCheckpoint(PartFileInfo<BucketID> partFileState) {
        return rollingOnCheckpoint;
    }

    @Override
    public boolean shouldRollOnEvent(PartFileInfo<BucketID> partFileState, IN element)
            throws IOException {
        return partFileState.getSize() >= maxPartSize;
    }

    @Override
    public boolean shouldRollOnProcessingTime(
            PartFileInfo<BucketID> partFileState, long currentTime) {
        return false;
    }
}
