org.streampipes.wrapper.spark.AbstractSparkDeclarer Maven / Gradle / Ivy
/*
* Copyright 2018 FZI Forschungszentrum Informatik
*
* Licensed 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.streampipes.wrapper.spark;
import org.streampipes.container.declarer.InvocableDeclarer;
import org.streampipes.model.Response;
import org.streampipes.model.base.InvocableStreamPipesEntity;
import org.streampipes.model.base.NamedStreamPipesEntity;
public abstract class AbstractSparkDeclarer implements InvocableDeclarer {
protected SR runtime;
protected I graph;
@Override
public Response invokeRuntime(I sepaInvocation) {
runtime = getRuntime(sepaInvocation);
graph = sepaInvocation;
if (runtime.startExecution()) {
return new Response(graph.getElementId(), true);
} else {
return new Response(graph.getElementId(), false);
}
}
@Override
public Response detachRuntime(String s) {
if (runtime.stop()) {
return new Response(graph.getElementId(), true);
} else {
return new Response(graph.getElementId(), false);
}
}
protected abstract SR getRuntime(I graph);
}