tech.tablesaw.aggregate.NumericAggregateFunction Maven / Gradle / Ivy

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package tech.tablesaw.aggregate;

import tech.tablesaw.api.ColumnType;
import tech.tablesaw.api.NumericColumn;

/**
 * A partial implementation of aggregate functions to summarize over a numeric column
 */
public abstract class NumericAggregateFunction extends AggregateFunction, Double> {

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

    @Override
    public boolean isCompatibleColumn(ColumnType type) {
        return type.equals(ColumnType.DOUBLE)
                || type.equals(ColumnType.FLOAT)
                || type.equals(ColumnType.INTEGER)
                || type.equals(ColumnType.SHORT)
                || type.equals(ColumnType.LONG);
    }

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