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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.publish;
import com.netscape.certsrv.base.SessionContext;
import com.netscape.certsrv.ldap.ELdapException;
import com.netscape.certsrv.request.IRequest;
/**
* Interface for a Ldap predicate expression.
*
* @version $Revision$, $Date$
*/
public interface ILdapExpression {
public static final int OP_EQUAL = 1;
public static final int OP_NEQUAL = 2;
public static final int OP_GT = 3;
public static final int OP_LT = 4;
public static final int OP_GE = 5;
public static final int OP_LE = 6;
public static final String EQUAL_STR = "==";
public static final String NEQUAL_STR = "!=";
public static final String GT_STR = ">";
public static final String GE_STR = ">=";
public static final String LT_STR = "<";
public static final String LE_STR = "<=";
/**
* Evaluate the Expression.
*
* @param sc The SessionContext on which we are applying the condition.
* @return The return value.
* @exception ELdapExeption Failed to evaluate expression.
*/
boolean evaluate(SessionContext sc)
throws ELdapException;
/**
* Evaluate the Expression.
*
* @param req The PKIRequest on which we are applying the condition.
* @return The return value.
* @exception ELdapExeption Failed to evaluate expression.
*/
boolean evaluate(IRequest req)
throws ELdapException;
/**
* Convert to a string.
* @return String representation of expression.
*/
public String toString();
}
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