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package tech.tablesaw.aggregate;

import java.time.LocalTime;
import tech.tablesaw.api.ColumnType;
import tech.tablesaw.api.TimeColumn;

/** A partial implementation of aggregate functions to summarize over a time column */
public abstract class TimeAggregateFunction extends AggregateFunction {

  public TimeAggregateFunction(String name) {
    super(name);
  }

  public abstract LocalTime summarize(TimeColumn column);

  @Override
  public boolean isCompatibleColumn(ColumnType type) {
    return type.equals(ColumnType.LOCAL_TIME);
  }

  @Override
  public ColumnType returnType() {
    return ColumnType.LOCAL_TIME;
  }
}