org.streampipes.manager.matching.output.CustomOutputSchemaGenerator 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.matching.output;
import org.streampipes.empire.core.empire.SupportsRdfId;
import org.streampipes.model.schema.EventSchema;
import org.streampipes.model.SpDataStream;
import org.streampipes.model.schema.EventProperty;
import org.streampipes.model.schema.EventPropertyPrimitive;
import org.streampipes.model.output.CustomOutputStrategy;
import java.net.URI;
import java.util.ArrayList;
import java.util.List;
public class CustomOutputSchemaGenerator implements OutputSchemaGenerator {
private List customProperties;
public CustomOutputSchemaGenerator(List customProperties) {
this.customProperties = rewrite(customProperties);
}
private List rewrite(List customProperties2) {
List newCustomProperties = new ArrayList<>();
for(int i = 0; i < customProperties2.size(); i++) {
if (customProperties2.get(i) instanceof EventPropertyPrimitive) {
EventPropertyPrimitive prop = (EventPropertyPrimitive) customProperties2.get(i);
if (newCustomProperties.stream().anyMatch(nc -> nc.getRuntimeName().equals(prop.getRuntimeName()))) {
EventPropertyPrimitive newp = new EventPropertyPrimitive(prop);
newp.setRuntimeName(prop.getRuntimeName() +"1");
newp.setRdfId(new SupportsRdfId.URIKey(URI.create(prop.getElementId() +"1")));
newCustomProperties.add(newp);
}
else
newCustomProperties.add(prop);
}
else
newCustomProperties.add(customProperties2.get(i));
}
return newCustomProperties;
}
@Override
public EventSchema buildFromOneStream(SpDataStream stream) {
return new EventSchema(customProperties);
}
@Override
public EventSchema buildFromTwoStreams(SpDataStream stream1,
SpDataStream stream2) {
return buildFromOneStream(stream1);
}
@Override
public CustomOutputStrategy getModifiedOutputStrategy(
CustomOutputStrategy strategy) {
return strategy;
}
}