/*******************************************************************************
 * Copyright 2017 Bstek
 *
 * 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.bstek.ureport.definition.value;

import com.bstek.ureport.expression.model.expr.dataset.DatasetExpression;

/**
 * @author Jacky.gao
 * @since 2016年12月21日
 */
public class DatasetValue extends DatasetExpression implements Value {
    private static final long serialVersionUID = 1892973888854385049L;

    @Override
    public ValueType getType() {
        return ValueType.dataset;
    }

    @Override
    public String getValue() {
        StringBuilder sb = new StringBuilder();
        sb.append(getDatasetName());
        sb.append(".");
        sb.append(getAggregate().name());
        sb.append("(");
        String prop = getProperty();
        if (prop != null) {
            if (prop.length() > 13) {
                prop = prop.substring(0, 10) + "...";
            }
            sb.append(prop);
        }
        sb.append(")");
        return sb.toString();
    }
}
