package org.bouncycastle.jce.cert;
import java.security.cert.CRL;
/**
* A selector that defines a set of criteria for selecting <code>CRL</code>s.
* Classes that implement this interface are often used to specify
* which <code>CRL</code>s should be retrieved from a <code>CertStore</code>.<br />
* <br />
* <b>Concurrent Access</b><br />
* <br />
* Unless otherwise specified, the methods defined in this interface are not
* thread-safe. Multiple threads that need to access a single
* object concurrently should synchronize amongst themselves and
* provide the necessary locking. Multiple threads each manipulating
* separate objects need not synchronize.
*
* @see CRL
* @see CertStore
* @see CertStore#getCRLs
**/
public interface CRLSelector extends Cloneable
{
/**
* Decides whether a <code>CRL</code> should be selected.
*
* @param crl the <code>CRL</code> to be checked
*
* @return <code>true</code> if the <code>CRL</code> should be selected,
* <code>false</code> otherwise
*/
public boolean match(CRL crl);
/**
* Makes a copy of this <code>CRLSelector</code>. Changes to the
* copy will not affect the original and vice versa.
*
* @return a copy of this <code>CRLSelector</code>
*/
public Object clone();
}