AccessionActionFilter.java

/*
 * Copyright 2020 Global Crop Diversity Trust
 *
 * 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.gringlobal.service.filter;

import java.util.List;

import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.Setter;
import lombok.experimental.Accessors;
import org.gringlobal.model.AccessionAction;
import org.gringlobal.model.QAccessionAction;

import com.querydsl.core.types.Predicate;

/**
 * Filters for {@link AccessionAction}
 */
@Getter
@Setter
@EqualsAndHashCode(callSuper = true)
@Accessors(fluent = true)
public class AccessionActionFilter extends ActionFilter<AccessionActionFilter, AccessionAction> {

	private static final long serialVersionUID = 3290113151060922955L;

	public AccessionFilter accession;

	/**
	 * Builds the query.
	 *
	 * @return the predicate
	 */
	@Override
	public List<Predicate> collectPredicates() {
		return collectPredicates(QAccessionAction.accessionAction);
	}

	/**
	 * Builds the query.
	 *
	 * @param accessionAction the accessionAction
	 * @return the predicate
	 */
	public List<Predicate> collectPredicates(QAccessionAction accessionAction) {
		List<Predicate> predicates = super.collectPredicates(accessionAction, accessionAction._super);

		if (accession != null) {
			predicates.addAll(accession.collectPredicates(accessionAction.accession()));
		}
		return predicates;
	}

	public synchronized AccessionFilter accession() {
		if (this.accession == null) {
			return this.accession = new AccessionFilter();
		}
		return this.accession;
	}
}