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/*
* 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.query.aggregation.firstlast.last;
import org.apache.druid.query.aggregation.SerializablePairLongFloat;
import org.apache.druid.segment.BaseLongColumnValueSelector;
import org.apache.druid.segment.ColumnValueSelector;
public class FloatLastAggregator extends NumericLastAggregator
{
float lastValue;
public FloatLastAggregator(BaseLongColumnValueSelector timeSelector, ColumnValueSelector valueSelector, boolean needsFoldCheck)
{
super(timeSelector, valueSelector, needsFoldCheck);
lastValue = 0;
}
@Override
void setLastValue()
{
lastValue = valueSelector.getFloat();
}
@Override
void setLastValue(Number lastValue)
{
this.lastValue = lastValue.floatValue();
}
@Override
public Object get()
{
return new SerializablePairLongFloat(lastTime, rhsNull ? null : lastValue);
}
@Override
public float getFloat()
{
return lastValue;
}
@Override
public long getLong()
{
return (long) lastValue;
}
@Override
public double getDouble()
{
return lastValue;
}
}