io.druid.segment.FloatWrappingDimensionSelector 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;
import io.druid.query.extraction.ExtractionFn;
import io.druid.query.monomorphicprocessing.RuntimeShapeInspector;
import io.druid.segment.virtual.BaseSingleValueDimensionSelector;
public class FloatWrappingDimensionSelector extends BaseSingleValueDimensionSelector
{
private final FloatColumnSelector selector;
private final ExtractionFn extractionFn;
public FloatWrappingDimensionSelector(FloatColumnSelector selector, ExtractionFn extractionFn)
{
this.selector = selector;
this.extractionFn = extractionFn;
}
@Override
protected String getValue()
{
if (extractionFn == null) {
return String.valueOf(selector.getFloat());
} else {
return extractionFn.apply(selector.getFloat());
}
}
@Override
public void inspectRuntimeShape(RuntimeShapeInspector inspector)
{
inspector.visit("selector", selector);
inspector.visit("extractionFn", extractionFn);
}
}