DynamicSimulationResultSerializer.java
/**
* Copyright (c) 2019, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.dynamicsimulation.json;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UncheckedIOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Map.Entry;
import java.util.Objects;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.StdSerializer;
import com.powsybl.commons.json.JsonUtil;
import com.powsybl.dynamicsimulation.DynamicSimulationResult;
import com.powsybl.dynamicsimulation.TimelineEvent;
import com.powsybl.timeseries.DoubleTimeSeries;
/**
* @author Marcos de Miguel {@literal <demiguelm at aia.es>}
*/
public class DynamicSimulationResultSerializer extends StdSerializer<DynamicSimulationResult> {
private static final String VERSION = "1.0";
DynamicSimulationResultSerializer() {
super(DynamicSimulationResult.class);
}
@Override
public void serialize(DynamicSimulationResult result, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("version", VERSION);
jsonGenerator.writeStringField("status", result.getStatus().name());
if (!result.getStatusText().isEmpty()) {
jsonGenerator.writeStringField("error", result.getStatusText());
}
jsonGenerator.writeFieldName("curves");
jsonGenerator.writeStartArray();
for (Entry<String, DoubleTimeSeries> entry : result.getCurves().entrySet()) {
entry.getValue().writeJson(jsonGenerator);
}
jsonGenerator.writeEndArray();
// fsv
jsonGenerator.writeFieldName("finalStateValues");
jsonGenerator.writeStartArray();
for (Entry<String, Double> fsv : result.getFinalStateValues().entrySet()) {
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("name", fsv.getKey());
jsonGenerator.writeNumberField("value", fsv.getValue());
jsonGenerator.writeEndObject();
}
jsonGenerator.writeEndArray();
// timeline
jsonGenerator.writeFieldName("timeLine");
jsonGenerator.writeStartArray();
for (TimelineEvent event : result.getTimeLine()) {
writeTimeline(event, jsonGenerator);
}
jsonGenerator.writeEndArray();
jsonGenerator.writeEndObject();
}
private void writeTimeline(TimelineEvent event, JsonGenerator jsonGenerator) throws IOException {
jsonGenerator.writeStartObject();
jsonGenerator.writeNumberField("time", event.time());
jsonGenerator.writeStringField("modelName", event.modelName());
jsonGenerator.writeStringField("message", event.message());
jsonGenerator.writeEndObject();
}
public static void write(DynamicSimulationResult result, Path jsonFile) {
Objects.requireNonNull(result);
Objects.requireNonNull(jsonFile);
try (OutputStream os = Files.newOutputStream(jsonFile)) {
ObjectMapper objectMapper = JsonUtil.createObjectMapper();
SimpleModule module = new SimpleModule();
module.addSerializer(DynamicSimulationResult.class, new DynamicSimulationResultSerializer());
objectMapper.registerModule(module);
ObjectWriter writer = objectMapper.writerWithDefaultPrettyPrinter();
writer.writeValue(os, result);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}