/*
* Copyright (c) 2010-2013 Evolveum
*
* Licensed 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 com.evolveum.midpoint.prism.query;
import java.util.ArrayList;
public abstract class UnaryLogicalFilter extends LogicalFilter {
UnaryLogicalFilter() {
super();
}
public ObjectFilter getFilter() {
if (conditions == null) {
return null;
}
if (conditions.isEmpty()) {
return null;
}
if (conditions.size() == 1) {
return conditions.get(0);
}
throw new IllegalStateException("Unary logical filter can contains only one value, but contains "
+ conditions.size());
}
public void setFilter(ObjectFilter filter){
conditions = new ArrayList<>();
conditions.add(filter);
}
}