InsAbstractSession.java

/*******************************************************************************
 * This file is part of OpenNMS(R).
 *
 * Copyright (C) 2008-2011 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.scriptd.ins.events;

import java.util.List;

import org.hibernate.criterion.Restrictions;
import org.opennms.core.utils.BeanUtils;
import org.opennms.core.utils.LogUtils;
import org.opennms.core.utils.ThreadCategory;
import org.opennms.netmgt.dao.SnmpInterfaceDao;
import org.opennms.netmgt.model.OnmsCriteria;
import org.opennms.netmgt.model.OnmsSnmpInterface;
import org.springframework.beans.factory.access.BeanFactoryReference;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.TransactionCallback;
import org.springframework.transaction.support.TransactionTemplate;

public abstract class InsAbstractSession extends Thread {

    private String m_criteria;
    
	/**
	 * the shared string for client authentication
	 * If the shared string is not set, then server doesn't require authentication 
	 */
	private String m_sharedAuthAsciiString = null;
	
	/**
	 * the criteria for getting active alarms
	 */
	public String criteriaRestriction = "";
	
	public void setSharedASCIIString(final String sharedASCIIString) {
		this.m_sharedAuthAsciiString = sharedASCIIString;
	}
	
	public String getSharedASCIIString() {
		return m_sharedAuthAsciiString;
	}

	public String getCriteriaRestriction() {
		return criteriaRestriction;
	}

	public void setCriteriaRestriction(final String criteriaRestriction) {
	    LogUtils.debugf(this, "Setting the criteria restriction for active alarm list: %s", criteriaRestriction);
		this.criteriaRestriction = criteriaRestriction;
	}

    public InsAbstractSession() {
        super();
        ThreadCategory.setPrefix("OpenNMS.InsProxy");
        LogUtils.debugf(this, "InsAbstract Session Constructor: loaded");
    }

    private String getCriteria() {
        return m_criteria;
    }

    private void setCriteria(final String criteria) {
        m_criteria = criteria;
    }
    
    protected String getIfAlias(final int nodeid, final int ifindex) {

        LogUtils.debugf(this, "getting ifalias for nodeid: %d and ifindex: %d", nodeid, ifindex);

        setCriteria("nodeid = " + nodeid + " AND snmpifindex = " + ifindex);
        BeanFactoryReference bf = BeanUtils.getBeanFactory("daoContext");
        final SnmpInterfaceDao snmpInterfaceDao = BeanUtils.getBean(bf,"snmpInterfaceDao", SnmpInterfaceDao.class);
        final TransactionTemplate transTemplate = BeanUtils.getBean(bf, "transactionTemplate",TransactionTemplate.class);
        final List<OnmsSnmpInterface> iface = transTemplate.execute(
                   new TransactionCallback<List<OnmsSnmpInterface>>() {
                        public List<OnmsSnmpInterface> doInTransaction(final TransactionStatus status) {
                            final OnmsCriteria onmsCriteria = new OnmsCriteria(OnmsSnmpInterface.class);
                            onmsCriteria.add(Restrictions.sqlRestriction(getCriteria()));
                            return snmpInterfaceDao.findMatching(onmsCriteria);
                        }
                   }
        );
        LogUtils.debugf(this, "interfaces found: %d", iface.size());

        if (iface.size() == 0) return "-1";
        final String ifAlias = iface.get(0).getIfAlias();
        LogUtils.debugf(this, "ifalias found: %s", ifAlias);
        
        return ifAlias;
    }

}