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Intelie Pipes' API classes and interfaces

There is a newer version: 0.25.5

package net.intelie.pipes.time;


import java.time.ZoneId;
import java.util.Objects;

import static net.intelie.pipes.util.Preconditions.checkNotNull;

public class BeforeSpan extends TimeSpanBase {
    private static final long serialVersionUID = 1L;
    private final TimeSpan span;
    private final Period periods;

    public BeforeSpan(TimeSpan span) {
        this(span, null);
    }

    public BeforeSpan(TimeSpan span, Period periods) {
        super((periods != null ? periods + " " : "") + "before $1",
                span = checkSpan(span));

        this.periods = periods;
        this.span = span;
    }

    @Override
    public BeforeSpan forceZone(ZoneId zone) {
        return new BeforeSpan(forceZone(span, zone), forceZone(periods, zone));
    }

    private static TimeSpan checkSpan(TimeSpan span) {
        checkNotNull(span, "span");
        return span instanceof CompositeSpan ?
                ((CompositeSpan) span).startSpan() :
                span;
    }

    public static BeforeSpan yesterday(ZoneId zone) {
        return previous(new SimplePeriod(1, PeriodUnit.DAY, zone));
    }

    public static BeforeSpan previous(SimplePeriod period) {
        return new BeforeSpan(new PeriodSpan(period.unitary()), period);
    }

    @Override
    public long start(long reference) {
        reference = span.start(reference);
        if (periods != null)
            reference = periods.sub(reference);
        return reference;
    }

    @Override
    public long end(long reference) {
        return span.start(reference);
    }

    @Override
    public boolean isFixed() {
        return span.isFixed();
    }

    @Override
    public boolean isPoint() {
        return periods == null;
    }

    @Override
    public boolean includesPresent() {
        return span.isPoint() && span.includesPresent();
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (!(o instanceof BeforeSpan)) return false;

        BeforeSpan that = (BeforeSpan) o;

        return Objects.equals(this.span, that.span) &&
                Objects.equals(this.periods, that.periods);
    }

    @Override
    public int hashCode() {
        return Objects.hash(this.span, this.periods);
    }
}