/*
* 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 com.aliyun.odps.local.common;
import java.io.File;
import com.aliyun.odps.Column;
import com.aliyun.odps.OdpsType;
public class FileSplit {
public static final FileSplit NullSplit = new FileSplit(null, new Column[]{new Column("nil",
OdpsType.STRING)},
0, 0);
private File file;
private Column[] schema;
private long start;
private long length;
FileSplit() {
}
/**
* Constructs a split with host information
*
* @param file
* the file name
* @param start
* the position of the first byte in the file to process
* @param length
* the number of bytes in the file to process
*/
public FileSplit(File file, Column[] schema, long start, long length) {
this.file = file;
this.schema = schema;
this.start = start;
this.length = length;
}
/**
* The file containing this split's data.
*/
public File getFile() {
return file;
}
public Column[] getSchema() {
return schema;
}
/**
* The position of the first byte in the file to process.
*/
public long getStart() {
return start;
}
/**
* The number of bytes in the file to process.
*/
public long getLength() {
return length;
}
public String toString() {
return file + ":" + start + "+" + length;
}
}