org.apache.druid.segment.data.RangeIndexedInts 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.segment.data;
import org.apache.druid.java.util.common.IAE;
import org.apache.druid.query.monomorphicprocessing.RuntimeShapeInspector;
/**
* Reusable IndexedInts that returns sequences [0, 1, ..., N].
*/
public class RangeIndexedInts implements IndexedInts
{
private int size;
public RangeIndexedInts()
{
}
public void setSize(int size)
{
if (size < 0) {
throw new IAE("Size[%d] must be non-negative", size);
}
this.size = size;
}
@Override
public int size()
{
return size;
}
@Override
public int get(int index)
{
if (index < 0 || index >= size) {
throw new IAE("index[%d] >= size[%d] or < 0", index, size);
}
return index;
}
@Override
public void inspectRuntimeShape(RuntimeShapeInspector inspector)
{
// nothing to inspect
}
}