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

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package tech.tablesaw.aggregate;

import tech.tablesaw.api.BooleanColumn;
import tech.tablesaw.api.ColumnType;

abstract class BooleanCountFunction extends AggregateFunction {

    public BooleanCountFunction(String functionName) {
        super(functionName);
    }

    @Override
    abstract public Integer summarize(BooleanColumn column);

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

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