/*
* 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.internal;
import org.apache.twill.api.ResourceSpecification;
import org.apache.twill.api.TwillApplication;
import org.apache.twill.api.TwillRunnable;
import org.apache.twill.api.TwillRunnableSpecification;
import org.apache.twill.api.TwillSpecification;
/**
* A simple {@link TwillApplication} that contains only one {@link TwillRunnable}.
*/
public class SingleRunnableApplication implements TwillApplication {
private final TwillRunnable runnable;
private final ResourceSpecification resourceSpec;
public SingleRunnableApplication(TwillRunnable runnable, ResourceSpecification resourceSpec) {
this.runnable = runnable;
this.resourceSpec = resourceSpec;
}
@Override
public TwillSpecification configure() {
TwillRunnableSpecification runnableSpec = runnable.configure();
return TwillSpecification.Builder.with()
.setName(runnableSpec.getName())
.withRunnable().add(runnableSpec.getName(), runnable, resourceSpec)
.noLocalFiles()
.anyOrder()
.build();
}
}