org.egov.tl.repository.DCBReportRepositoryImpl.java Source code

Introduction

Here is the source code for org.egov.tl.repository.DCBReportRepositoryImpl.java

Source

/*
 *    eGov  SmartCity eGovernance suite aims to improve the internal efficiency,transparency,
 *    accountability and the service delivery of the government  organizations.
 *
 *     Copyright (C) 2017  eGovernments Foundation
 *
 *     The updated version of eGov suite of products as by eGovernments Foundation
 *     is available at http://www.egovernments.org
 *
 *     This program is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     any later version.
 *
 *     This program is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU General Public License for more details.
 *
 *     You should have received a copy of the GNU General Public License
 *     along with this program. If not, see http://www.gnu.org/licenses/ or
 *     http://www.gnu.org/licenses/gpl.html .
 *
 *     In addition to the terms of the GPL license to be adhered to in using this
 *     program, the following additional terms are to be complied with:
 *
 *         1) All versions of this program, verbatim or modified must carry this
 *            Legal Notice.
 *            Further, all user interfaces, including but not limited to citizen facing interfaces,
 *            Urban Local Bodies interfaces, dashboards, mobile applications, of the program and any
 *            derived works should carry eGovernments Foundation logo on the top right corner.
 *
 *            For the logo, please refer http://egovernments.org/html/logo/egov_logo.png.
 *            For any further queries on attribution, including queries on brand guidelines,
 *            please contact contact@egovernments.org
 *
 *         2) Any misrepresentation of the origin of the material is prohibited. It
 *            is required that all modified versions of this material be marked in
 *            reasonable ways as different from the original version.
 *
 *         3) This license does not grant any rights to any user of the program
 *            with regards to rights under trademark law for use of the trade names
 *            or trademarks of eGovernments Foundation.
 *
 *   In case of any queries, you can reach eGovernments Foundation at contact@egovernments.org.
 *
 */

package org.egov.tl.repository;

import org.egov.tl.entity.contracts.DCBReportSearchRequest;
import org.egov.tl.entity.view.DCBReportResult;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import java.util.ArrayList;
import java.util.List;

import static org.apache.commons.lang3.StringUtils.isNotBlank;

public class DCBReportRepositoryImpl implements DCBReportRepositoryCustom {

    @PersistenceContext
    private EntityManager entityManager;

    @Override
    public Object[] findByBaseRegisterRequest(final DCBReportSearchRequest dCBReportSearchRequest) {

        final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
        final CriteriaQuery<Object[]> criteriaQuery = criteriaBuilder.createQuery(Object[].class);
        final Root<DCBReportResult> root = criteriaQuery.from(DCBReportResult.class);
        final List<Predicate> predicates = new ArrayList<>();
        if (isNotBlank(dCBReportSearchRequest.getLicenseNumber()))
            predicates.add(
                    criteriaBuilder.equal(root.get("licenseNumber"), dCBReportSearchRequest.getLicenseNumber()));
        if (dCBReportSearchRequest.getActiveLicense() > 0)
            predicates
                    .add(criteriaBuilder.equal(root.get("active"), dCBReportSearchRequest.getActiveLicense() == 1));
        if (dCBReportSearchRequest.getWardId() != null && !dCBReportSearchRequest.getWardId().isEmpty())
            predicates.add(root.get("wardId").in(dCBReportSearchRequest.getWardId()));
        if (dCBReportSearchRequest.getAdminWardId() != null && !dCBReportSearchRequest.getAdminWardId().isEmpty())
            predicates.add(root.get("adminWard").in(dCBReportSearchRequest.getAdminWardId()));

        criteriaQuery
                .multiselect(criteriaBuilder.sumAsLong(root.get("arrearDemand")),
                        criteriaBuilder.sumAsLong(root.get("currentDemand")),
                        criteriaBuilder.sumAsLong(
                                criteriaBuilder.sum(root.get("arrearDemand"), root.get("currentDemand"))),
                        criteriaBuilder.sumAsLong(root.get("arrearCollection")),
                        criteriaBuilder.sumAsLong(root.get("currentCollection")),
                        criteriaBuilder.sumAsLong(
                                criteriaBuilder.sum(root.get("arrearCollection"), root.get("currentCollection"))),
                        criteriaBuilder.sumAsLong(root.get("arrearBalance")),
                        criteriaBuilder.sumAsLong(root.get("currentBalance")),
                        criteriaBuilder.sumAsLong(
                                criteriaBuilder.sum(root.get("arrearBalance"), root.get("currentBalance"))))
                .where(predicates.toArray(new Predicate[] {}));
        return entityManager.createQuery(criteriaQuery).getSingleResult();
    }
}