org.streampipes.manager.matching.output.FixedOutputSchemaGenerator 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.model.SpDataStream;
import org.streampipes.model.output.FixedOutputStrategy;
import org.streampipes.model.output.OutputStrategy;
import org.streampipes.model.schema.EventProperty;
import org.streampipes.model.schema.EventSchema;
import org.streampipes.sdk.helpers.Tuple2;
import java.util.List;
public class FixedOutputSchemaGenerator extends OutputSchemaGenerator {
private List fixedProperties;
public static FixedOutputSchemaGenerator from(OutputStrategy strategy) {
return new FixedOutputSchemaGenerator((FixedOutputStrategy) strategy);
}
public FixedOutputSchemaGenerator(FixedOutputStrategy strategy) {
super(strategy);
this.fixedProperties = strategy.getEventProperties();
}
@Override
public Tuple2 buildFromOneStream(SpDataStream stream) {
return makeTuple(new EventSchema(fixedProperties));
}
@Override
public Tuple2 buildFromTwoStreams(SpDataStream stream1,
SpDataStream stream2) {
return buildFromOneStream(stream1);
}
}