/*
* 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 org.apache.flink.test.streaming.runtime.util;
import java.util.Collections;
import java.util.Comparator;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.functions.sink.RichSinkFunction;
import java.util.ArrayList;
import java.util.List;
import java.util.TreeSet;
public class TestListResultSink<T> extends RichSinkFunction<T> {
private static final long serialVersionUID = 1L;
private int resultListId;
public TestListResultSink() {
this.resultListId = TestListWrapper.getInstance().createList();
}
@Override
public void open(Configuration parameters) throws Exception {
super.open(parameters);
}
@Override
public void invoke(T value) throws Exception {
synchronized (resultList()) {
resultList().add(value);
}
}
@Override
public void close() throws Exception {
super.close();
}
@SuppressWarnings("unchecked")
private List<T> resultList() {
synchronized (TestListWrapper.getInstance()) {
return (List<T>) TestListWrapper.getInstance().getList(resultListId);
}
}
public List<T> getResult() {
synchronized (resultList()) {
ArrayList<T> copiedList = new ArrayList<T>(resultList());
return copiedList;
}
}
public List<T> getSortedResult() {
synchronized (resultList()) {
ArrayList<T> sortedList = new ArrayList<T>(resultList());
Collections.sort((List) sortedList);
return sortedList;
}
}
}