org.apache.druid.timeline.partition.IntegerPartitionChunk Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of druid-processing Show documentation
Show all versions of druid-processing Show documentation
A module that is everything required to understands Druid Segments
/*
* 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.druid.timeline.partition;
import org.apache.druid.timeline.Overshadowable;
/**
*/
public class IntegerPartitionChunk implements PartitionChunk
{
private final Integer start;
private final Integer end;
private final int chunkNumber;
private final T object;
public static IntegerPartitionChunk make(Integer start, Integer end, int chunkNumber, T obj)
{
return new IntegerPartitionChunk(start, end, chunkNumber, obj);
}
public IntegerPartitionChunk(
Integer start,
Integer end,
int chunkNumber,
T object
)
{
this.start = start;
this.end = end;
this.chunkNumber = chunkNumber;
this.object = object;
}
@Override
public T getObject()
{
return object;
}
@Override
public boolean abuts(PartitionChunk chunk)
{
if (chunk instanceof IntegerPartitionChunk) {
IntegerPartitionChunk intChunk = (IntegerPartitionChunk) chunk;
if (intChunk.isStart()) {
return false;
}
return intChunk.start.equals(end);
}
return false;
}
@Override
public boolean isStart()
{
return start == null;
}
@Override
public boolean isEnd()
{
return end == null;
}
@Override
public int getChunkNumber()
{
return chunkNumber;
}
@Override
public int compareTo(PartitionChunk chunk)
{
if (chunk instanceof IntegerPartitionChunk) {
IntegerPartitionChunk intChunk = (IntegerPartitionChunk) chunk;
return Integer.compare(chunkNumber, intChunk.chunkNumber);
} else {
throw new IllegalArgumentException("Cannot compare against something that is not an IntegerPartitionChunk.");
}
}
@Override
public boolean equals(Object o)
{
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
return compareTo((IntegerPartitionChunk) o) == 0;
}
@Override
public int hashCode()
{
int result = start != null ? start.hashCode() : 0;
result = 31 * result + (end != null ? end.hashCode() : 0);
result = 31 * result + (object != null ? object.hashCode() : 0);
return result;
}
@Override
public String toString()
{
return "IntegerPartitionChunk{" +
"start=" + start +
", end=" + end +
", object=" + object +
'}';
}
}