/******************************************************************************* * This file is part of OpenNMS(R). * * Copyright (C) 2009-2011 The OpenNMS Group, Inc. * OpenNMS(R) is Copyright (C) 1999-2011 The OpenNMS Group, Inc. * * OpenNMS(R) is a registered trademark of The OpenNMS Group, Inc. * * OpenNMS(R) 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 (at your option) any later version. * * OpenNMS(R) 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 OpenNMS(R). If not, see: * http://www.gnu.org/licenses/ * * For more information contact: * OpenNMS(R) Licensing <license@opennms.org> * http://www.opennms.org/ * http://www.opennms.com/ *******************************************************************************/ package org.opennms.web.alarm.filter; import org.opennms.web.alarm.AcknowledgeType; import org.opennms.web.alarm.SortStyle; import org.opennms.web.filter.Filter; /** * AlarmCritiera * * @author brozow * @version $Id: $ * @since 1.8.1 */ public class AlarmCriteria { public static interface AlarmCriteriaVisitor<E extends Exception> { public void visitAckType(AcknowledgeType ackType) throws E; public void visitFilter(Filter filter) throws E; public void visitSortStyle(SortStyle sortStyle) throws E; public void visitLimit(int limit, int offset) throws E; } public static class BaseAlarmCriteriaVisitor<E extends Exception> implements AlarmCriteriaVisitor<E> { public void visitAckType(AcknowledgeType ackType) throws E { } public void visitFilter(Filter filter) throws E { } public void visitLimit(int limit, int offset) throws E { } public void visitSortStyle(SortStyle sortStyle) throws E { } } Filter[] m_filters = null; SortStyle m_sortStyle = SortStyle.LASTEVENTTIME; AcknowledgeType m_ackType = AcknowledgeType.UNACKNOWLEDGED; int m_limit = -1; int m_offset = -1; /** * <p>Constructor for AlarmCriteria.</p> * * @param filters a org$opennms$web$filter$Filter object. */ public AlarmCriteria(Filter... filters) { this(filters, null, null, -1, -1); } /** * <p>Constructor for AlarmCriteria.</p> * * @param ackType a {@link org.opennms.web.alarm.AcknowledgeType} object. * @param filters an array of org$opennms$web$filter$Filter objects. */ public AlarmCriteria(AcknowledgeType ackType, Filter[] filters) { this(filters, null, ackType, -1, -1); } /** * <p>Constructor for AlarmCriteria.</p> * * @param filters an array of org$opennms$web$filter$Filter objects. * @param sortStyle a {@link org.opennms.web.alarm.SortStyle} object. * @param ackType a {@link org.opennms.web.alarm.AcknowledgeType} object. * @param limit a int. * @param offset a int. */ public AlarmCriteria(Filter[] filters, SortStyle sortStyle, AcknowledgeType ackType, int limit, int offset) { m_filters = filters; m_sortStyle = sortStyle; m_ackType = ackType; m_limit = limit; m_offset = offset; } /** * <p>visit</p> * * @param visitor a {@link org.opennms.web.alarm.filter.AlarmCriteria.AlarmCriteriaVisitor} object. * @param <E> a E object. * @throws E if any. */ public <E extends Exception> void visit(AlarmCriteriaVisitor<E> visitor) throws E { if (m_ackType != null) { visitor.visitAckType(m_ackType); } for(Filter filter : m_filters) { visitor.visitFilter(filter); } if (m_sortStyle != null) { visitor.visitSortStyle(m_sortStyle); } if (m_limit > 0 && m_offset > -1) { visitor.visitLimit(m_limit, m_offset); } } }