org.apache.ranger.db.XXGroupUserDao.java Source code

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Here is the source code for org.apache.ranger.db.XXGroupUserDao.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.ranger.db;

import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.persistence.NoResultException;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;
import org.apache.ranger.common.db.BaseDao;
import org.apache.ranger.entity.XXGroupUser;

public class XXGroupUserDao extends BaseDao<XXGroupUser> {
    private static final Logger logger = Logger.getLogger(XXGroupUserDao.class);

    public XXGroupUserDao(RangerDaoManagerBase daoManager) {
        super(daoManager);
    }

    public void deleteByGroupIdAndUserId(Long groupId, Long userId) {
        getEntityManager().createNamedQuery("XXGroupUser.deleteByGroupIdAndUserId").setParameter("userId", userId)
                .setParameter("parentGroupId", groupId).executeUpdate();

    }

    public List<XXGroupUser> findByUserId(Long userId) {
        if (userId != null) {
            try {
                return getEntityManager().createNamedQuery("XXGroupUser.findByUserId", XXGroupUser.class)
                        .setParameter("userId", userId).getResultList();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("ResourceId not provided.");
            return new ArrayList<XXGroupUser>();
        }
        return null;
    }

    /**
     * @param xUserId
     *            -- Id of X_USER table
     * @return
     */
    @SuppressWarnings("unchecked")
    public List<Long> findGroupIdListByUserId(Long xUserId) {
        if (xUserId != null) {
            try {
                return getEntityManager().createNamedQuery("XXGroupUser.findGroupIdListByUserId")
                        .setParameter("xUserId", xUserId).getResultList();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("UserId not provided.");
            return new ArrayList<Long>();
        }
        return null;
    }

    public Set<String> findGroupNamesByUserName(String userName) {
        List<String> groupList = null;

        if (userName != null) {
            try {
                groupList = getEntityManager()
                        .createNamedQuery("XXGroupUser.findGroupNamesByUserName", String.class)
                        .setParameter("userName", userName).getResultList();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("UserId not provided.");
        }

        if (groupList != null) {
            return new HashSet<String>(groupList);
        }

        return new HashSet<String>();
    }

    public List<XXGroupUser> findByGroupId(Long groupId) {
        if (groupId == null) {
            return new ArrayList<XXGroupUser>();
        }
        try {
            return getEntityManager().createNamedQuery("XXGroupUser.findByGroupId", tClass)
                    .setParameter("groupId", groupId).getResultList();
        } catch (NoResultException e) {
            return new ArrayList<XXGroupUser>();
        }
    }

    public XXGroupUser findByGroupNameAndUserId(String groupName, Long userId) {
        if (StringUtils.isNotBlank(groupName) && userId != null) {
            try {
                return getEntityManager()
                        .createNamedQuery("XXGroupUser.findByGroupNameAndUserId", XXGroupUser.class)
                        .setParameter("userId", userId).setParameter("groupName", groupName).getSingleResult();
            } catch (NoResultException e) {
                logger.debug(e.getMessage());
            }
        } else {
            logger.debug("userId and/or groupId not provided.");
            return new XXGroupUser();
        }
        return null;
    }
}