AbstractNumberColumn.java

/*
 * Copyright 2013 Andrej Petras <andrej@ajka-andrej.com>.
 *
 * 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.lorislab.smonitor.gwt.uc.table.column;

import com.google.gwt.cell.client.TextCell;

/**
 * The abstract number column.
 * 
 * @author Andrej Petras
 */
public abstract class AbstractNumberColumn<T, K extends Comparable<K>> extends AbstractEntityColumn<T, K, String> {
    /**
     * The default constructor.
     */
    public AbstractNumberColumn() {
        super(new TextCell());
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getValue(T object) {
        K data = getObject(object);
        if (data != null) {
            return data.toString();
        }
        return null;
    }    
}