DefaultModelCriteria.java
/*
* Copyright 2022 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* 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 org.keycloak.models.map.storage.criteria;
/**
* Generic instantiable {@link DescriptiveModelCriteria}.
* @author hmlnarik
*/
public class DefaultModelCriteria<M> extends DescriptiveModelCriteria<M, DefaultModelCriteria<M>> {
private static final DefaultModelCriteria<?> INSTANCE = new DefaultModelCriteria<>(null);
private DefaultModelCriteria(ModelCriteriaNode<M> node) {
super(node);
}
@SuppressWarnings("unchecked")
public static <M> DefaultModelCriteria<M> criteria() {
return (DefaultModelCriteria<M>) INSTANCE;
}
@Override
protected DefaultModelCriteria<M> instantiateForNode(ModelCriteriaNode<M> targetNode) {
return new DefaultModelCriteria<>(targetNode);
}
}