org.apache.openjpa.persistence.query.Predicate Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.openjpa.persistence.query;
/**
* Interface used to define compound predicates.
*/
public interface Predicate {
/**
* Creates an AND of the predicate with the argument.
*
* @param predicate -
* A simple or compound predicate
* @return the predicate that is the AND of the original simple or compound
* predicate and the argument.
*/
Predicate and(Predicate predicate);
/**
* Creates an OR of the predicate with the argument.
*
* @param predicate -
* A simple or compound predicate
* @return the predicate that is the OR of the original simple or compound
* predicate and the argument.
*/
Predicate or(Predicate predicate);
/**
* Creates a negation of the predicate with the argument.
*
* @return the predicate that is the negation of the original simple or
* compound predicate.
*/
Predicate not();
}