com.clustercontrol.jmx.session.JmxMasterControllerBean.java Source code

Introduction

Here is the source code for com.clustercontrol.jmx.session.JmxMasterControllerBean.java

Source

/*
    
 Copyright (C) 2014 NTT DATA Corporation
    
 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, version 2.
    
 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.
    
 */

package com.clustercontrol.jmx.session;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.EntityExistsException;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.clustercontrol.commons.util.CommonValidator;
import com.clustercontrol.commons.util.HinemosEntityManager;
import com.clustercontrol.commons.util.JpaTransactionManager;
import com.clustercontrol.fault.HinemosUnknown;
import com.clustercontrol.fault.InvalidSetting;
import com.clustercontrol.jmx.model.JmxMasterInfo;
import com.clustercontrol.util.MessageConstant;

/**
 * JMX ?Session Bean <BR>
 * 
 * @version 5.0.0
 * @since 5.0.0
 */
public class JmxMasterControllerBean {

    private static Log m_log = LogFactory.getLog(JmxMasterControllerBean.class);

    /**
     * JMX ???
     * 
     * @param datas JMX 
     * @return ??????true
     * @throws HinemosUnknown
     * @throws InvalidSetting
     */
    public boolean addJmxMasterList(List<JmxMasterInfo> datas) throws HinemosUnknown, InvalidSetting {
        boolean ret = false;

        for (JmxMasterInfo m : datas) {
            validateJmxMasterInfo(m);
        }

        JpaTransactionManager jtm = new JpaTransactionManager();
        try {
            jtm.begin();

            // ?
            for (JmxMasterInfo data : datas) {
                // ??
                jtm.checkEntityExists(JmxMasterInfo.class, data.getId());
                jtm.getEntityManager().persist(data);
            }

            jtm.commit();

            ret = true;
        } catch (EntityExistsException e) {
            jtm.rollback();
            throw new HinemosUnknown(e.getMessage(), e);
        } catch (Exception e) {
            m_log.warn("addJmxMasterList() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
            jtm.rollback();
            throw new HinemosUnknown(e.getMessage(), e);
        } finally {
            if (jtm != null) {
                jtm.close();
            }
        }

        return ret;
    }

    /**
     * JMX ???
     * 
     * @return ??????true
     * @throws HinemosUnknown
     */
    public boolean deleteJmxMasterList(List<String> ids) throws HinemosUnknown {
        JpaTransactionManager jtm = null;

        boolean ret = false;

        try {
            jtm = new JpaTransactionManager();
            jtm.begin();

            HinemosEntityManager em = jtm.getEntityManager();
            List<JmxMasterInfo> entities = em.createNamedQuery("MonitorJmxMstEntity.findList", JmxMasterInfo.class)
                    .setParameter("ids", ids).getResultList();
            for (JmxMasterInfo entity : entities) {
                // ?
                em.remove(entity);
            }

            jtm.commit();

            ret = true;
        } catch (Exception e) {
            m_log.warn("deleteJmxMasterList() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
            if (jtm != null)
                jtm.rollback();
            throw new HinemosUnknown(e.getMessage(), e);
        } finally {
            if (jtm != null) {
                jtm.close();
            }
        }
        return ret;

    }

    /**
     * JMX ????
     * 
     * @return ??????true
     * @throws HinemosUnknown
     */
    public boolean deleteJmxMasterAll() throws HinemosUnknown {
        JpaTransactionManager jtm = null;

        boolean ret = false;

        try {
            jtm = new JpaTransactionManager();
            jtm.begin();

            HinemosEntityManager em = jtm.getEntityManager();
            List<JmxMasterInfo> entities = em.createNamedQuery("MonitorJmxMstEntity.findAll", JmxMasterInfo.class)
                    .getResultList();
            for (JmxMasterInfo entity : entities) {
                // ?
                em.remove(entity);
            }

            jtm.commit();

            ret = true;
        } catch (Exception e) {
            m_log.warn("deleteJmxMasterAll() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
            if (jtm != null)
                jtm.rollback();
            throw new HinemosUnknown(e.getMessage(), e);
        } finally {
            if (jtm != null) {
                jtm.close();
            }
        }
        return ret;

    }

    /**
     * JMX ????
     * 
     * @return JMX 
     * @throws HinemosUnknown
     */
    public List<JmxMasterInfo> getJmxMasterList() throws HinemosUnknown {
        JpaTransactionManager jtm = null;
        List<JmxMasterInfo> ret = new ArrayList<>();

        try {
            jtm = new JpaTransactionManager();
            HinemosEntityManager em = jtm.getEntityManager();
            List<JmxMasterInfo> entities = em.createNamedQuery("MonitorJmxMstEntity.findAll", JmxMasterInfo.class)
                    .getResultList();
            ret.addAll(entities);
        } catch (Exception e) {
            m_log.warn("getJmxMasterList() : " + e.getClass().getSimpleName() + ", " + e.getMessage(), e);
            if (jtm != null)
                jtm.rollback();
            throw new HinemosUnknown(e.getMessage(), e);
        } finally {
            if (jtm != null) {
                jtm.close();
            }
        }
        return ret;
    }

    private void validateJmxMasterInfo(JmxMasterInfo info) throws InvalidSetting {
        CommonValidator.validateString(MessageConstant.MONITOR_JMX_MASTER_ID.getMessage(), info.getId(), true, 1,
                64);
        CommonValidator.validateString(MessageConstant.MONITOR_JMX_MASTER_OBJECTNAME.getMessage(),
                info.getObjectName(), true, 1, 512);
        CommonValidator.validateString(MessageConstant.MONITOR_JMX_MASTER_ATTRIBUTENAME.getMessage(),
                info.getAttributeName(), true, 1, 256);
        CommonValidator.validateString(MessageConstant.MONITOR_JMX_MASTER_KEYS.getMessage(), info.getKeys(), false,
                0, 512);
        CommonValidator.validateString(MessageConstant.MONITOR_JMX_MASTER_NAME.getMessage(), info.getName(), true,
                1, 256);
        CommonValidator.validateString(MessageConstant.MONITOR_JMX_MASTER_MEASURE.getMessage(), info.getMeasure(),
                true, 1, 64);
    }
}