Java tutorial
/** * *************************************************************************** * Copyright (c) 2010 Qcadoo Limited * Project: Qcadoo MES * Version: 1.3 * * This file is part of Qcadoo. * * Qcadoo is free software; you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as published * by the Free Software Foundation; either version 3 of the License, * or (at your option) 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *************************************************************************** */ package com.qcadoo.mes.assignmentToShift.dataProviders; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import com.google.common.base.Optional; import com.qcadoo.model.api.search.SearchCriterion; public class AssignmentToShiftCriteria { private Optional<SearchCriterion> shiftCriteria = Optional.absent(); private Optional<SearchCriterion> criteria = Optional.absent(); public static AssignmentToShiftCriteria empty() { return new AssignmentToShiftCriteria(); } private AssignmentToShiftCriteria() { } public AssignmentToShiftCriteria withCriteria(final SearchCriterion assignmentCriteria) { this.criteria = Optional.fromNullable(assignmentCriteria); return this; } public AssignmentToShiftCriteria withShiftCriteria(final SearchCriterion shiftCriteria) { this.shiftCriteria = Optional.fromNullable(shiftCriteria); return this; } public Optional<SearchCriterion> getShiftCriteria() { return shiftCriteria; } public Optional<SearchCriterion> getCriteria() { return criteria; } @Override public boolean equals(final Object obj) { if (obj == null) { return false; } if (obj == this) { return true; } if (obj.getClass() != getClass()) { return false; } AssignmentToShiftCriteria rhs = (AssignmentToShiftCriteria) obj; return new EqualsBuilder().append(this.shiftCriteria, rhs.shiftCriteria).append(this.criteria, rhs.criteria) .isEquals(); } @Override public int hashCode() { return new HashCodeBuilder().append(shiftCriteria).append(criteria).toHashCode(); } }