org.streampipes.manager.topic.WildcardTopicGenerator 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.topic;
import org.streampipes.model.SpDataStream;
import org.streampipes.model.grounding.TopicDefinition;
import org.streampipes.model.grounding.TopicParameterType;
import org.streampipes.model.grounding.WildcardTopicDefinition;
import org.streampipes.model.grounding.WildcardTopicMapping;
import java.util.List;
public class WildcardTopicGenerator {
private SpDataStream stream;
public WildcardTopicGenerator(SpDataStream stream) {
this.stream = stream;
}
public SpDataStream computeActualTopic() {
TopicDefinition topicDefinition = stream
.getEventGrounding()
.getTransportProtocol()
.getTopicDefinition();
if (topicDefinition instanceof WildcardTopicDefinition) {
WildcardTopicDefinition wildcardTopicDefinition = (WildcardTopicDefinition) topicDefinition;
String actualTopicName = buildActualTopicName(wildcardTopicDefinition.getWildcardTopicName(),
wildcardTopicDefinition
.getWildcardTopicMappings());
wildcardTopicDefinition.setActualTopicName(actualTopicName);
stream.getEventGrounding().getTransportProtocol().setTopicDefinition(wildcardTopicDefinition);
}
return stream;
}
private String buildActualTopicName(String wildcardTopicName, List wildcardTopicMappings) {
for (WildcardTopicMapping wm : wildcardTopicMappings) {
if (TopicParameterType.valueOf(wm.getTopicParameterType()) == TopicParameterType.SENSOR_TYPE ||
TopicParameterType.valueOf(wm.getTopicParameterType()) == TopicParameterType.PLATFORM_TYPE) {
wm.setSelectedMapping(wm.getMappingId());
}
wildcardTopicName = wildcardTopicName.replace("$" + wm.getMappingId(), wm.getSelectedMapping());
}
return wildcardTopicName;
}
}