org.apache.baremaps.openstreetmap.stream.ConsumerUtils Maven / Gradle / Ivy

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/*
 * 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.baremaps.openstreetmap.stream;



import java.util.function.Consumer;
import java.util.function.UnaryOperator;

/** Utility methods for dealing with consumers. */
public class ConsumerUtils {

  private ConsumerUtils() {
    // Prevent instantiation
  }

  /**
   * Returns a consumer that applies a function to its input, and then passes the result to the
   *
   * @param type the type of the input
   * @return
   * @param 
   */
  @SuppressWarnings("squid:S1172")
  public static  Consumer chain(Class type) {
    return t -> {
      // Do nothing
    };
  }

  /**
   * Transforms a consumer into a function.
   *
   * @param consumer the consumer
   * @param  the type
   * @return the function
   */
  public static  UnaryOperator consumeThenReturn(Consumer consumer) {
    return t -> {
      consumer.accept(t);
      return t;
    };
  }



}