jstorm-core/src/main/java/com/alibaba/jstorm/common/metric/old/operator/convert/SetToList.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.alibaba.jstorm.common.metric.old.operator.convert;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

public class SetToList<T> implements Convertor<Set<T>, List<T>> {
    private static final long serialVersionUID = 4968816655779625255L;

    @Override
    public List<T> convert(Set<T> set) {
        // TODO Auto-generated method stub
        List<T> ret = new ArrayList<T>();
        if (set != null) {
            for (T item : set) {
                ret.add(item);
            }
        }
        return ret;
    }

}