org.streampipes.manager.data.PipelineGraphBuilder 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.manager.data;
import org.streampipes.model.base.InvocableStreamPipesEntity;
import org.streampipes.model.base.NamedStreamPipesEntity;
import org.streampipes.model.client.pipeline.Pipeline;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
public class PipelineGraphBuilder {
private Pipeline pipeline;
private List allPipelineElements;
private List invocableElements;
public PipelineGraphBuilder(Pipeline pipeline) {
this.pipeline = pipeline;
this.allPipelineElements = addAll();
this.invocableElements = addInvocable();
}
private List addAll() {
List allElements = new ArrayList<>();
allElements.addAll(pipeline.getStreams());
allElements.addAll(addInvocable());
return allElements;
}
private List addInvocable() {
List allElements = new ArrayList<>();
allElements.addAll(pipeline.getSepas());
allElements.addAll(pipeline.getActions());
return allElements;
}
public PipelineGraph buildGraph() {
PipelineGraph pipelineGraph = new PipelineGraph();
allPipelineElements.forEach(p -> pipelineGraph.addVertex(p));
for(NamedStreamPipesEntity source : allPipelineElements) {
List targets = findTargets(source.getDOM());
targets.forEach(t -> pipelineGraph.addEdge(source, t));
}
return pipelineGraph;
}
private List findTargets(String domId) {
return invocableElements
.stream()
.filter(i -> i.getConnectedTo().contains(domId))
.collect(Collectors.toList());
}
}