org.streampipes.manager.matching.DataSetGroundingSelector 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;
import org.apache.commons.lang.RandomStringUtils;
import org.streampipes.config.backend.BackendConfig;
import org.streampipes.manager.util.TopicGenerator;
import org.streampipes.model.SpDataSet;
import org.streampipes.model.client.pipeline.DataSetModificationMessage;
import org.streampipes.model.grounding.EventGrounding;
import org.streampipes.model.grounding.KafkaTransportProtocol;
import org.streampipes.model.grounding.TransportFormat;
import org.streampipes.model.grounding.TransportProtocol;
import java.util.Arrays;
public class DataSetGroundingSelector {
private SpDataSet spDataSet;
public DataSetGroundingSelector(SpDataSet spDataSet) {
this.spDataSet = spDataSet;
}
public DataSetModificationMessage selectGrounding() {
// TODO grounding negotiation
TransportProtocol protocol = new KafkaTransportProtocol(BackendConfig.INSTANCE.getKafkaHost(),
BackendConfig.INSTANCE.getKafkaPort(),
TopicGenerator.generateRandomTopic(),
BackendConfig.INSTANCE.getZookeeperHost(),
BackendConfig.INSTANCE.getZookeeperPort());
TransportFormat format = spDataSet.getSupportedGrounding().getTransportFormats().get(0);
EventGrounding outputGrounding = new EventGrounding();
outputGrounding.setTransportProtocol(protocol);
outputGrounding.setTransportFormats(Arrays.asList(format));
return new DataSetModificationMessage(outputGrounding,RandomStringUtils.randomAlphanumeric(10));
}
}