com.aliyun.odps.table.read.split.impl.RowRangeInputSplitAssigner 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.
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package com.aliyun.odps.table.read.split.impl;

import com.aliyun.odps.table.read.split.InputSplit;
import com.aliyun.odps.table.read.split.InputSplitAssigner;

public class RowRangeInputSplitAssigner implements InputSplitAssigner {

    private final long totalRowCount;

    private final String sessionId;

    public RowRangeInputSplitAssigner(
            String sessionId,
            long totalRowCount) {
        this.sessionId = sessionId;
        this.totalRowCount = totalRowCount;
    }

    @Override
    public long getTotalRowCount() {
        return totalRowCount;
    }

    @Override
    public InputSplit getSplitByRowOffset(long startIndex, long numRecord) {
        return new RowRangeInputSplit(sessionId, startIndex, numRecord);
    }
}