StringColumnFamily.java

package me.xhh.hector07;

import java.util.Date;
import java.util.List;

import me.prettyprint.hector.api.beans.HColumn;

/**
 * Definition of normal column family whose key, name and value are all String type.
 */
public class StringColumnFamily extends NormalColumnFamily<String, String, String> {

	public StringColumnFamily(String columnFamilyName) {
		super(columnFamilyName, DBUtil.STRING_SERIALIZER, DBUtil.STRING_SERIALIZER, DBUtil.STRING_SERIALIZER);
	}

	/**
	 * @param colName
	 * @param value
	 * @return
	 */
	public HColumn<String, String> createColumnDate(String colName, Date value) {
		return createColumn(colName, String.valueOf(value.getTime()));
	}

	public HColumn<String, String> createColumnBool(String colName, Boolean value) {
		return createColumn(colName.toString(), DBUtil.toString(value));
	}

	public HColumn<String, String> createColumnObject(String colName, Object value) {
		String _value = value == null ? null : value.toString();
		return createColumn(colName.toString(), _value);
	}
	
	public boolean addColumnObject(String name, Object value, List<HColumn<String, String>> columns) {
		if (name != null && value != null) {
			columns.add(createColumnObject(name, value));
			return true;
		} else {
			return false;
		}
	}

	public boolean addColumnDate(String colName, Date value, List<HColumn<String, String>> columns) {
		if (colName != null && value != null) {
			columns.add(createColumnDate(colName, value));
			return true;
		} else {
			return false;
		}
	}

	public boolean addColumnBool(String colName, Boolean value, List<HColumn<String, String>> columns) {
		if (colName != null && value != null) {
			columns.add(createColumnBool(colName, value));
			return true;
		} else {
			return false;
		}
	}

	public boolean addColumnInteger(String colName, Integer value, List<HColumn<String, String>> columns) {
		return addColumnObject(colName, value, columns);
	}

	public boolean addColumnLong(String colName, Long value, List<HColumn<String, String>> columns) {
		return addColumnObject(colName, value, columns);
	}

	public boolean addColumnDouble(String colName, Double value, List<HColumn<String, String>> columns) {
		return addColumnObject(colName, value, columns);
	}
	
}