Class NegativeElement

src/main/java/core/org/xbill/DNS/Cache.java:80–126

}

private static class NegativeElement implements Element {
	int type;
	Name name;
	int credibility;
	int expire;

	public
	NegativeElement(Name name, int type, SOARecord soa, int cred,
			long maxttl)
	{
		this.name = name;
		this.type = type;
		long cttl = 0;
		if (soa != null)
			cttl = soa.getMinimum();
		this.credibility = cred;
		this.expire = limitExpire(cttl, maxttl);
	}

	public int
	getType() {
		return type;
	}

	public final boolean
	expired() {
		int now = (int)(System.currentTimeMillis() / 1000);
		return (now >= expire);
	}

	public final int
	compareCredibility(int cred) {
		return credibility - cred;
	}

	public String
	toString() {
		StringBuffer sb = new StringBuffer();
		if (type == 0)
			sb.append("NXDOMAIN " + name);
		else
			sb.append("NXRRSET " + name + " " + Type.string(type));
		sb.append(" cl = ");
		sb.append(credibility);
		return sb.toString();
	}
}

private static class CacheMap extends LinkedHashMap {
	private int maxsize = -1;