package java.security.cert;
/**
* A selector that defines a set of criteria for selecting
* <code>Certificate</code>s. Classes that implement this interface
* are often used to specify which <code>Certificate</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 Certificate
* @see CertStore
* @see CertStore#getCertificates
*/
public interface CertSelector extends Cloneable
{
/**
* Decides whether a <code>Certificate</code> should be selected.
*
* @param cert the <code>Certificate</code> to be checked
* @return <code>true</code> if the <code>Certificate</code>
* should be selected, <code>false</code> otherwise
*/
public boolean match(Certificate cert);
/**
* Makes a copy of this <code>CertSelector</code>. Changes to the
* copy will not affect the original and vice versa.
*
* @return a copy of this <code>CertSelector</code>
*/
public Object clone();
}