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

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package tech.tablesaw.aggregate;

import tech.tablesaw.api.ColumnType;
import tech.tablesaw.columns.Column;

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

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

    abstract public double summarize(Column column);

    public boolean isCompatibleWith(ColumnType type) {
        return type.equals(ColumnType.STRING);
    }
}