| /** |
| * 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.crunch; |
| |
| import com.google.common.base.Preconditions; |
| |
| /** |
| * Additional options that can be specified when creating a new PCollection using {@link Pipeline#create}. |
| */ |
| public class CreateOptions { |
| |
| public static CreateOptions none() { |
| return new CreateOptions("CREATED", 1); |
| } |
| |
| public static CreateOptions parallelism(int parallelism) { |
| return new CreateOptions("CREATED", parallelism); |
| } |
| |
| public static CreateOptions name(String name) { |
| return new CreateOptions(name, 1); |
| } |
| |
| public static CreateOptions nameAndParallelism(String name, int parallelism) { |
| return new CreateOptions(name, parallelism); |
| } |
| |
| private final String name; |
| private final int parallelism; |
| |
| private CreateOptions(String name, int parallelism) { |
| this.name = Preconditions.checkNotNull(name); |
| Preconditions.checkArgument(parallelism > 0, "Invalid parallelism value = %d", parallelism); |
| this.parallelism = parallelism; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public int getParallelism() { |
| return parallelism; |
| } |
| } |