org.apache.commons.dbutils.handlers.LimitedMapListHandler.java Source code

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Here is the source code for org.apache.commons.dbutils.handlers.LimitedMapListHandler.java

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/*
 * Copyright 2012-2013 the original author or authors.
 *
 * 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.apache.commons.dbutils.handlers;

import java.sql.ResultSet;
import java.sql.SQLException;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class LimitedMapListHandler extends MapListHandler {
    private int limit;
    private boolean expired = false;

    public LimitedMapListHandler() {
        this(-1);
    }

    public LimitedMapListHandler(int limit) {
        this.limit = limit;
    }

    @Override
    public List<Map<String, Object>> handle(ResultSet rs) throws SQLException {
        List<Map<String, Object>> rows = new ArrayList<Map<String, Object>>();
        while (limit == -1 || rows.size() < limit) {
            if (rs.next()) {
                rows.add(this.handleRow(rs));
            } else {
                expired = true;
                break;
            }
        }
        return rows;
    }

    public boolean isExpired() {
        return expired;
    }
}