flink-java8/src/test/java/org/apache/flink/runtime/util/jartestprogram/FilterLambda4.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 org.apache.flink.runtime.util.jartestprogram;

import org.apache.flink.api.java.DataSet;
import org.apache.flink.api.java.ExecutionEnvironment;

/**
 * Similar to {@link FilterLambda3} with additional indirection.
 */
public class FilterLambda4 {

	public static void main(String[] args) throws Exception {
		ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();
		DataSet<String> input = env.fromElements("Please filter", "the words", "but not this");

		DataSet<String> output = input.filter(UtilFunctionWrapper.UtilFunction.getWordFilter());
		output.print();

		env.execute();
	}
}