io.druid.segment.data.IndexedLongs Maven / Gradle / Ivy
/*
* Licensed to Metamarkets Group Inc. (Metamarkets) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Metamarkets 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 io.druid.segment.data;
import io.druid.query.monomorphicprocessing.RuntimeShapeInspector;
import io.druid.segment.DoubleColumnSelector;
import io.druid.segment.FloatColumnSelector;
import io.druid.segment.LongColumnSelector;
import io.druid.segment.historical.HistoricalColumnSelector;
import java.io.Closeable;
/**
* Get a long at an index (array or list lookup abstraction without boxing).
*/
public interface IndexedLongs extends Closeable
{
public int size();
public long get(int index);
public void fill(int index, long[] toFill);
@Override
void close();
default LongColumnSelector makeLongColumnSelector(ReadableOffset offset)
{
class HistoricalLongColumnSelector implements LongColumnSelector, HistoricalColumnSelector
{
@Override
public long getLong()
{
return IndexedLongs.this.get(offset.getOffset());
}
@Override
public double getDouble(int offset)
{
return IndexedLongs.this.get(offset);
}
@Override
public void inspectRuntimeShape(RuntimeShapeInspector inspector)
{
inspector.visit("indexed", IndexedLongs.this);
inspector.visit("offset", offset);
}
}
return new HistoricalLongColumnSelector();
}
default FloatColumnSelector makeFloatColumnSelector(ReadableOffset offset)
{
class HistoricalFloatColumnSelector implements FloatColumnSelector, HistoricalColumnSelector
{
@Override
public float getFloat()
{
return (float) IndexedLongs.this.get(offset.getOffset());
}
@Override
public double getDouble(int offset)
{
return IndexedLongs.this.get(offset);
}
@Override
public void inspectRuntimeShape(RuntimeShapeInspector inspector)
{
inspector.visit("indexed", IndexedLongs.this);
inspector.visit("offset", offset);
}
}
return new HistoricalFloatColumnSelector();
}
default DoubleColumnSelector makeDoubleColumnSelector(ReadableOffset offset)
{
class HistoricalDoubleColumnSelector implements DoubleColumnSelector, HistoricalColumnSelector
{
@Override
public double getDouble()
{
return (double) IndexedLongs.this.get(offset.getOffset());
}
@Override
public double getDouble(int offset)
{
return IndexedLongs.this.get(offset);
}
@Override
public void inspectRuntimeShape(RuntimeShapeInspector inspector)
{
inspector.visit("indexed", IndexedLongs.this);
inspector.visit("offset", offset);
}
}
return new HistoricalDoubleColumnSelector();
}
}