| /* |
| * 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.twill.api; |
| |
| import org.apache.twill.internal.DefaultTwillRunnableSpecification; |
| |
| import java.util.Collections; |
| import java.util.Map; |
| |
| /** |
| * Represents a specification of a {@link TwillRunnable}. |
| */ |
| public interface TwillRunnableSpecification { |
| |
| String getClassName(); |
| |
| String getName(); |
| |
| Map<String, String> getConfigs(); |
| |
| /** |
| * Builder for constructing {@link TwillRunnableSpecification}. |
| */ |
| final class Builder { |
| |
| private String name; |
| private Map<String, String> args; |
| |
| public static NameSetter with() { |
| return new Builder().new NameSetter(); |
| } |
| |
| public final class NameSetter { |
| public AfterName setName(String name) { |
| Builder.this.name = name; |
| return new AfterName(); |
| } |
| } |
| |
| public final class AfterName { |
| public AfterConfigs withConfigs(Map<String, String> args) { |
| Builder.this.args = args; |
| return new AfterConfigs(); |
| } |
| |
| public AfterConfigs noConfigs() { |
| Builder.this.args = Collections.emptyMap(); |
| return new AfterConfigs(); |
| } |
| } |
| |
| public final class AfterConfigs { |
| public TwillRunnableSpecification build() { |
| return new DefaultTwillRunnableSpecification(null, name, args); |
| } |
| } |
| |
| private Builder() { |
| } |
| } |
| } |