| /* |
| * 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.tinkerpop.gremlin.process.traversal.step.map; |
| |
| import org.apache.tinkerpop.gremlin.process.traversal.Traversal; |
| import org.apache.tinkerpop.gremlin.process.traversal.Traverser; |
| import org.apache.tinkerpop.gremlin.process.traversal.step.LambdaHolder; |
| import org.apache.tinkerpop.gremlin.structure.util.StringFactory; |
| |
| import java.util.function.Function; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| */ |
| public final class LambdaMapStep<S, E> extends MapStep<S, E> implements LambdaHolder { |
| |
| private final Function<Traverser<S>, E> function; |
| |
| public LambdaMapStep(final Traversal.Admin traversal, final Function<Traverser<S>, E> function) { |
| super(traversal); |
| this.function = function; |
| } |
| |
| @Override |
| protected E map(final Traverser.Admin<S> traverser) { |
| return this.function.apply(traverser); |
| } |
| |
| @Override |
| public String toString() { |
| return StringFactory.stepString(this, this.function); |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode() ^ this.function.hashCode(); |
| } |
| |
| public Function<Traverser<S>, E> getMapFunction() { |
| return this.function; |
| } |
| } |