org.springframework.ldap.query.CriteriaContainerType Maven / Gradle / Ivy

/*
 * Copyright 2005-2013 the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.ldap.query;

import org.springframework.ldap.filter.AndFilter;
import org.springframework.ldap.filter.BinaryLogicalFilter;
import org.springframework.ldap.filter.OrFilter;

/**
 * @author Mattias Hellborg Arthursson
 * @since 2.0
 */
enum CriteriaContainerType {

	AND {
		@Override
		public BinaryLogicalFilter constructFilter() {
			return new AndFilter();
		}
	},
	OR {
		@Override
		public BinaryLogicalFilter constructFilter() {
			return new OrFilter();
		}
	};

	public void validateSameType(CriteriaContainerType oldType) {
		if (oldType != null && oldType != this) {
			throw new IllegalStateException(
					String.format("Container type has already been specified as %s, cannot change it to %s",
							oldType.toString(), this.toString()));
		}

	}

	public abstract BinaryLogicalFilter constructFilter();

}