/*******************************************************************************
* This file is part of OpenNMS(R).
*
* Copyright (C) 2007-2011 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.netmgt.dao.support;
import java.util.Collections;
import org.opennms.netmgt.dao.FilterDao;
import org.opennms.netmgt.dao.ResourceDao;
import org.opennms.netmgt.model.AbstractEntityVisitor;
import org.opennms.netmgt.model.EntityVisitor;
import org.opennms.netmgt.model.OnmsNode;
import org.opennms.netmgt.model.OnmsResource;
import org.opennms.netmgt.model.ResourceVisitor;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.util.Assert;
/**
* <p>FilterWalker class.</p>
*
* @author <a href="mailto:dj@opennms.org">DJ Gregor</a>
* @version $Id: $
*/
public class FilterWalker implements InitializingBean {
private FilterDao m_filterDao;
private String m_filter;
private ResourceDao m_resourceDao;
private ResourceVisitor m_visitor;
private ResourceTreeWalker m_resourceWalker = new ResourceTreeWalker();
/**
* <p>walk</p>
*/
public void walk() {
EntityVisitor visitor = new AbstractEntityVisitor() {
@Override
public void visitNode(OnmsNode node) {
walk(node);
}
};
getFilterDao().walkMatchingNodes(m_filter, visitor);
}
/**
* <p>walk</p>
*
* @param node a {@link org.opennms.netmgt.model.OnmsNode} object.
*/
public void walk(OnmsNode node) {
OnmsResource resource = getResourceDao().getResourceForNode(node);
m_resourceWalker.walk(Collections.singleton(resource));
}
/**
* <p>afterPropertiesSet</p>
*/
@Override
public void afterPropertiesSet() {
Assert.state(m_resourceDao != null, "property resourceDao must be set to a non-null value");
Assert.state(m_visitor != null, "property visitor must be set to a non-null value");
Assert.state(m_filterDao != null, "property filterDao must be set to a non-null value");
Assert.state(m_filter != null, "property filter must be set to a non-null value");
m_resourceWalker.setResourceDao(getResourceDao());
m_resourceWalker.setVisitor(getVisitor());
m_resourceWalker.afterPropertiesSet();
}
/**
* <p>getResourceDao</p>
*
* @return a {@link org.opennms.netmgt.dao.ResourceDao} object.
*/
public ResourceDao getResourceDao() {
return m_resourceDao;
}
/**
* <p>setResourceDao</p>
*
* @param resourceDao a {@link org.opennms.netmgt.dao.ResourceDao} object.
*/
public void setResourceDao(ResourceDao resourceDao) {
m_resourceDao = resourceDao;
}
/**
* <p>getVisitor</p>
*
* @return a {@link org.opennms.netmgt.model.ResourceVisitor} object.
*/
public ResourceVisitor getVisitor() {
return m_visitor;
}
/**
* <p>setVisitor</p>
*
* @param visitor a {@link org.opennms.netmgt.model.ResourceVisitor} object.
*/
public void setVisitor(ResourceVisitor visitor) {
m_visitor = visitor;
}
/**
* <p>getFilterDao</p>
*
* @return a {@link org.opennms.netmgt.dao.FilterDao} object.
*/
public FilterDao getFilterDao() {
return m_filterDao;
}
/**
* <p>setFilterDao</p>
*
* @param filterDao a {@link org.opennms.netmgt.dao.FilterDao} object.
*/
public void setFilterDao(FilterDao filterDao) {
m_filterDao = filterDao;
}
/**
* <p>getFilter</p>
*
* @return a {@link java.lang.String} object.
*/
public String getFilter() {
return m_filter;
}
/**
* <p>setFilter</p>
*
* @param filter a {@link java.lang.String} object.
*/
public void setFilter(String filter) {
m_filter = filter;
}
}