/*
 * 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.streaming.api.functions.sink.filesystem;

/**
 * An abstract writer for the currently open part file in a specific {@link Bucket}.
 *
 * @param <IN> the element type.
 * @param <BucketID> the bucket id type.
 */
public abstract class AbstractPartFileWriter<IN, BucketID>
        implements InProgressFileWriter<IN, BucketID> {

    private final BucketID bucketID;

    private final long creationTime;

    private long lastUpdateTime;

    public AbstractPartFileWriter(final BucketID bucketID, final long createTime) {
        this.bucketID = bucketID;
        this.creationTime = createTime;
        this.lastUpdateTime = createTime;
    }

    @Override
    public BucketID getBucketId() {
        return bucketID;
    }

    @Override
    public long getCreationTime() {
        return creationTime;
    }

    @Override
    public long getLastUpdateTime() {
        return lastUpdateTime;
    }

    protected void markWrite(long now) {
        this.lastUpdateTime = now;
    }
}
