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/**
 * Copyright 2012 Impetus Infotech.
 *
 * 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 com.impetus.client.hbase;

import java.util.Map;

import org.apache.hadoop.hbase.filter.Filter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.impetus.kundera.PersistenceProperties;
import com.impetus.kundera.client.Client;
import com.impetus.kundera.client.ClientPropertiesSetter;

/**
 * HBase implementation of {@link ClientPropertiesSetter}
 * 
 * @author amresh.singh
 */
class HBaseClientProperties
{
    /** log for this class. */
    private static Logger log = LoggerFactory.getLogger(HBaseClientProperties.class);

    private static final String FILTER = "hbase.filter";

    private HBaseClient hbaseClient;

    public void populateClientProperties(Client client, Map properties)
    {
        this.hbaseClient = (HBaseClient) client;

        if (properties != null)
        {

            for (String key : properties.keySet())
            {
                Object value = properties.get(key);
                if (checkNull(key, value))
                {
                    if (key.equals(FILTER) && value instanceof Filter)
                    {

                        this.hbaseClient.setFilter((Filter) value);

                    }
                    else if (key.equals(PersistenceProperties.KUNDERA_BATCH_SIZE))
                    {

                        setBatchSize(value);

                    }

                    // Add more
                }
            }
        }
    }

    private void setBatchSize(Object value)
    {
        if (value instanceof Integer)
        {

            this.hbaseClient.setBatchSize((Integer) value);

        }
        else if (value instanceof String)
        {

            this.hbaseClient.setBatchSize(Integer.valueOf((String) value));

        }

    }

    /**
     * check key value map not null
     */
    private boolean checkNull(String key, Object value)
    {
        return key != null && value != null;
    }
}