DateInterval.java

package com.github.lwhite1.tablesaw.columns.packeddata;

import com.github.lwhite1.tablesaw.columns.DateIntervalColumn;
import com.google.common.annotations.Beta;

/**
 * EXPERIMENTAL
 */
@Beta
public abstract class DateInterval {

    // boolean operations
    abstract boolean equals(DateIntervalColumn interval);

    abstract boolean before(DateIntervalColumn interval);

    abstract boolean after(DateIntervalColumn interval);

    abstract boolean contains(DateIntervalColumn interval);

    abstract boolean containedIn(DateIntervalColumn interval);

    abstract boolean meets(DateIntervalColumn interval);

    // combination operations
    abstract DateInterval union(DateInterval interval);      // or

    abstract DateInterval intersect(DateInterval interval);  // and

    abstract DateInterval minus(DateInterval interval);      // and not

    abstract DateInterval gap(DateInterval interval);        // the difference between two intervals

}