com.facebook.presto.hudi.HudiFile Maven / Gradle / Ivy

Go to download
/*
 * Licensed 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 com.facebook.presto.hudi;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;

import java.util.Objects;

import static com.google.common.base.Preconditions.checkArgument;
import static org.apache.parquet.Strings.isNullOrEmpty;

public class HudiFile
{
    private final String path;
    private final long start;
    private final long length;

    @JsonCreator
    public HudiFile(
            @JsonProperty("path") String path,
            @JsonProperty("start") long start,
            @JsonProperty("length") long length)
    {
        checkArgument(!isNullOrEmpty(path), "path is null or empty");
        checkArgument(start >= 0, "start is negative");
        checkArgument(length >= 0, "length is negative");

        this.path = path;
        this.start = start;
        this.length = length;
    }

    @JsonProperty
    public String getPath()
    {
        return path;
    }

    @JsonProperty
    public long getStart()
    {
        return start;
    }

    @JsonProperty
    public long getLength()
    {
        return length;
    }

    @Override
    public boolean equals(Object o)
    {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        HudiFile hudiFile = (HudiFile) o;
        return start == hudiFile.start && length == hudiFile.length && path.equals(hudiFile.path);
    }

    @Override
    public int hashCode()
    {
        return Objects.hash(path, start, length);
    }

    @Override
    public String toString()
    {
        return path + ":" + start + "+" + length;
    }
}