TopicListEntryCassandraDao.java

/*
 * Copyright 2014-2016 CyberVision, Inc.
 *
 * Licensed 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.kaaproject.kaa.server.common.nosql.cassandra.dao;

import static org.kaaproject.kaa.server.common.nosql.cassandra.dao.CassandraDaoUtil.getByteBuffer;

import org.kaaproject.kaa.common.dto.TopicListEntryDto;
import org.kaaproject.kaa.server.common.dao.impl.TopicListEntryDao;
import org.kaaproject.kaa.server.common.nosql.cassandra.dao.model.CassandraModelConstants;
import org.kaaproject.kaa.server.common.nosql.cassandra.dao.model.CassandraTopicListEntry;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;

import java.nio.ByteBuffer;

@Repository(value = "topicListEntryDao")
public class TopicListEntryCassandraDao
    extends AbstractCassandraDao<CassandraTopicListEntry, ByteBuffer>
    implements TopicListEntryDao<CassandraTopicListEntry> {

  private static final Logger LOG = LoggerFactory.getLogger(TopicListEntryCassandraDao.class);

  @Override
  protected Class<CassandraTopicListEntry> getColumnFamilyClass() {
    return CassandraTopicListEntry.class;
  }

  @Override
  protected String getColumnFamilyName() {
    return CassandraModelConstants.TOPIC_LIST_ENTRY_COLUMN_FAMILY_NAME;
  }

  @Override
  public CassandraTopicListEntry save(TopicListEntryDto dto) {
    LOG.debug("Save topic list entry [{}] ", dto);
    return save(new CassandraTopicListEntry(dto));
  }

  @Override
  public CassandraTopicListEntry findByHash(byte[] hash) {
    LOG.debug("Try to find topic list entry by hash [{}] ", hash);
    return (CassandraTopicListEntry) getMapper().get(getByteBuffer(hash));
  }

  @Override
  public void removeByHash(byte[] hash) {
    LOG.debug("Remove topic list entry by hash [{}] ", hash);
    getMapper().delete(getByteBuffer(hash));
  }
}